Yo-Yo Ma
type: MusicGroup
genre: chamber music
genre: classical
popularity: 67
followers: 632406
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5bee7a72eb5436d2537fc0874c6e3dbb5a814e729828f243872c7d7f7632e907
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a68cc3f0-0c6e-47e3-a13b-af0066a5bd3c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a68cc3f0-0c6e-47e3-a13b-af0066a5bd3c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a68cc3f0-0c6e-47e3-a13b-af0066a5bd3c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5bee7a72eb5436d2537fc0874c6e3dbb5a814e729828f243872c7d7f7632e907","name":"Yo-Yo Ma","registered_at":"2026-06-12T06:33:26Z","symbol":"NIM0215563","token_address":"0xca083635594af313489902389eae8c30286f3007","type":"artist","uuid":"a68cc3f0-0c6e-47e3-a13b-af0066a5bd3c"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bee7a72eb5436d2537fc0874c6e3dbb5a814e729828f243872c7d7f7632e907. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a68cc3f0-0c6e-47e3-a13b-af0066a5bd3c.json and https://artists.proofprofile.net/proofs/artist/a68cc3f0-0c6e-47e3-a13b-af0066a5bd3c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x5bee7a72eb5436d2537fc0874c6e3dbb5a814e729828f243872c7d7f7632e907","name":"Yo-Yo Ma","registered_at":"2026-06-12T06:33:26Z","symbol":"NIM0215563","token_address":"0xca083635594af313489902389eae8c30286f3007","type":"artist","uuid":"a68cc3f0-0c6e-47e3-a13b-af0066a5bd3c"}
album: A Gathering of Friends
  type: MusicAlbum
  date published: 2022-05-20
  track: Cello Concerto (2021 Revision): I. Theme & Cadenza
    type: MusicRecording
    duration: PT10M26S
    duration ms: 626160
    explicit: false
    by artist: John Williams
    by artist: Yo-Yo Ma
    by artist: New York Philharmonic
    in album: A Gathering of Friends
      type: MusicAlbum
      date published: 2022-05-20
    isrc code: USSM12201115
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-20T07:32:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x61f63339b5e8604d43d8b065f191f93ae8dceaadc9d43034a338cf10630e6c01
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/0R8SWFCr4u6Rnex3ujMsi6.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0R8SWFCr4u6Rnex3ujMsi6
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x61f63339b5e8604d43d8b065f191f93ae8dceaadc9d43034a338cf10630e6c01","isrc":"USSM12201115","name":"Cello Concerto (2021 Revision): I. Theme & Cadenza","registered_at":"2026-06-20T07:32:06Z","spotify_id":"0R8SWFCr4u6Rnex3ujMsi6","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f63339b5e8604d43d8b065f191f93ae8dceaadc9d43034a338cf10630e6c01. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0R8SWFCr4u6Rnex3ujMsi6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0R8SWFCr4u6Rnex3ujMsi6.
      date published: 2026-07-02T03:55:08Z
      text: {"copyright_id":"0x61f63339b5e8604d43d8b065f191f93ae8dceaadc9d43034a338cf10630e6c01","isrc":"USSM12201115","name":"Cello Concerto (2021 Revision): I. Theme & Cadenza","registered_at":"2026-06-20T07:32:06Z","spotify_id":"0R8SWFCr4u6Rnex3ujMsi6","type":"track"}
  track: Cello Concerto (2021 Revision): II. Blues
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233200
    explicit: false
    by artist: John Williams
    by artist: Yo-Yo Ma
    by artist: New York Philharmonic
    in album: A Gathering of Friends
      type: MusicAlbum
      date published: 2022-05-20
    isrc code: USSM12201116
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-24T13:06:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe8d8e9ae471851d46e84fc5579f0076732aa6b828a5359c2cd54e339c2b087ae
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1buKblm78aIFHzuRXb2vkr.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1buKblm78aIFHzuRXb2vkr
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xe8d8e9ae471851d46e84fc5579f0076732aa6b828a5359c2cd54e339c2b087ae","isrc":"USSM12201116","name":"Cello Concerto (2021 Revision): II. Blues","registered_at":"2026-06-24T13:06:33Z","spotify_id":"1buKblm78aIFHzuRXb2vkr","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d8e9ae471851d46e84fc5579f0076732aa6b828a5359c2cd54e339c2b087ae. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1buKblm78aIFHzuRXb2vkr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1buKblm78aIFHzuRXb2vkr.
      date published: 2026-07-02T03:55:08Z
      text: {"copyright_id":"0xe8d8e9ae471851d46e84fc5579f0076732aa6b828a5359c2cd54e339c2b087ae","isrc":"USSM12201116","name":"Cello Concerto (2021 Revision): II. Blues","registered_at":"2026-06-24T13:06:33Z","spotify_id":"1buKblm78aIFHzuRXb2vkr","type":"track"}
  track: Cello Concerto (2021 Revision): III. Scherzo
    type: MusicRecording
    duration: PT4M42S
    duration ms: 282146
    explicit: false
    by artist: John Williams
    by artist: Yo-Yo Ma
    by artist: New York Philharmonic
    in album: A Gathering of Friends
      type: MusicAlbum
      date published: 2022-05-20
    isrc code: USSM12201117
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-27T01:14:03+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4fc8c8a2e513d70117276920ce6162b6a15539c88ec2ddb6951834b709f65ec5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956351
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956351
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/7JSbtbLpCJVKi3Xqevnrql.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7JSbtbLpCJVKi3Xqevnrql
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T11:38:34Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x4fc8c8a2e513d70117276920ce6162b6a15539c88ec2ddb6951834b709f65ec5","isrc":"USSM12201117","name":"Cello Concerto (2021 Revision): III. Scherzo","registered_at":"2026-06-27T01:14:03Z","spotify_id":"7JSbtbLpCJVKi3Xqevnrql","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fc8c8a2e513d70117276920ce6162b6a15539c88ec2ddb6951834b709f65ec5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7JSbtbLpCJVKi3Xqevnrql.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7JSbtbLpCJVKi3Xqevnrql.
      date published: 2026-07-02T11:38:34Z
      text: {"copyright_id":"0x4fc8c8a2e513d70117276920ce6162b6a15539c88ec2ddb6951834b709f65ec5","isrc":"USSM12201117","name":"Cello Concerto (2021 Revision): III. Scherzo","registered_at":"2026-06-27T01:14:03Z","spotify_id":"7JSbtbLpCJVKi3Xqevnrql","type":"track"}
  track: Cello Concerto (2021 Revision): IV. Song
    type: MusicRecording
    duration: PT10M12S
    duration ms: 612586
    explicit: false
    by artist: John Williams
    by artist: Yo-Yo Ma
    by artist: New York Philharmonic
    in album: A Gathering of Friends
      type: MusicAlbum
      date published: 2022-05-20
    isrc code: USSM12201118
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Three Pieces from Schindler's List: I. Theme
  track: Three Pieces from Schindler's List: II. Kraków Ghetto - Winter '41
  track: Three Pieces from Schindler's List: III. Remembrances
  track: Highwood's Ghost
  track: With Malice Toward None from Lincoln
  track: A Prayer for Peace from Munich
album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
album: Bach: Cello Suites Nos. 1, 5 & 6
album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
album: Beethoven for Three: Symphonies Nos. 2 and 5
album: Hope Amid Tears - Beethoven: Cello Sonatas
album: Brahms: The Piano Trios
album: The Goat Rodeo Sessions
album: Notes for the Future
album: Songs of Comfort and Hope
album: Not Our First Goat Rodeo
album: Beethoven: Triple Concerto & Symphony No. 7 (Live)
album: Salonen Cello Concerto
album: Six Evolutions - Bach: Cello Suites
album: The Vietnam War: A Film By Ken Burns & Lynn Novick
album: Bach Trios
album: Sing Me Home
album: Songs from the Arc of Life
album: Songs from the Arc of Life (Track by Track Commentary)
album: A Playlist Without Borders
album: Impressions
album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
album: Songs of Joy & Peace

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-27T01:15:25+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x90b510aa604998b646699db0fc10468b3a4a302ab438224e530d3f4f647d5421

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956351

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956351

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/56kRk97QfrCXqgBYMDdDwd.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/56kRk97QfrCXqgBYMDdDwd

OTSTimestamp
type: PropertyValue
value: 2026-07-02T11:38:34Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x90b510aa604998b646699db0fc10468b3a4a302ab438224e530d3f4f647d5421","isrc":"USSM12201118","name":"Cello Concerto (2021 Revision): IV. Song","registered_at":"2026-06-27T01:15:25Z","spotify_id":"56kRk97QfrCXqgBYMDdDwd","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90b510aa604998b646699db0fc10468b3a4a302ab438224e530d3f4f647d5421. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/56kRk97QfrCXqgBYMDdDwd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/56kRk97QfrCXqgBYMDdDwd.
date published: 2026-07-02T11:38:34Z
text: {"copyright_id":"0x90b510aa604998b646699db0fc10468b3a4a302ab438224e530d3f4f647d5421","isrc":"USSM12201118","name":"Cello Concerto (2021 Revision): IV. Song","registered_at":"2026-06-27T01:15:25Z","spotify_id":"56kRk97QfrCXqgBYMDdDwd","type":"track"}

Three Pieces from Schindler's List: I. Theme
type: MusicRecording
duration: PT4M24S
duration ms: 264533
explicit: false
by artist: John Williams
by artist: Yo-Yo Ma
by artist: New York Philharmonic
in album: A Gathering of Friends
  type: MusicAlbum
  date published: 2022-05-20
isrc code: USSM12201120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T16:01:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f197ef2f0aa979439dbdca2c1d808cee2d6312ee8c0424f69aa8a18f199d7be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/66XyzwPKI2DJ0HALuhQd9y.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66XyzwPKI2DJ0HALuhQd9y
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2f197ef2f0aa979439dbdca2c1d808cee2d6312ee8c0424f69aa8a18f199d7be","isrc":"USSM12201120","name":"Three Pieces from Schindler's List: I. Theme","registered_at":"2026-06-18T16:01:55Z","spotify_id":"66XyzwPKI2DJ0HALuhQd9y","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f197ef2f0aa979439dbdca2c1d808cee2d6312ee8c0424f69aa8a18f199d7be. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66XyzwPKI2DJ0HALuhQd9y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66XyzwPKI2DJ0HALuhQd9y.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x2f197ef2f0aa979439dbdca2c1d808cee2d6312ee8c0424f69aa8a18f199d7be","isrc":"USSM12201120","name":"Three Pieces from Schindler's List: I. Theme","registered_at":"2026-06-18T16:01:55Z","spotify_id":"66XyzwPKI2DJ0HALuhQd9y","type":"track"}

Three Pieces from Schindler's List: II. Kraków Ghetto - Winter '41
type: MusicRecording
duration: PT4M16S
duration ms: 256186
explicit: false
by artist: John Williams
by artist: Yo-Yo Ma
by artist: New York Philharmonic
in album: A Gathering of Friends
  type: MusicAlbum
  date published: 2022-05-20
isrc code: USSM12201121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T19:32:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d5495d68649d3f438a352c9cd904db47026d9ad88cc247bd2de70406c66a4de
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4WPwGpQcIwZjSPqR8aMLt3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4WPwGpQcIwZjSPqR8aMLt3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9d5495d68649d3f438a352c9cd904db47026d9ad88cc247bd2de70406c66a4de","isrc":"USSM12201121","name":"Three Pieces from Schindler's List: II. Kraków Ghetto - Winter '41","registered_at":"2026-06-25T19:32:26Z","spotify_id":"4WPwGpQcIwZjSPqR8aMLt3","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5495d68649d3f438a352c9cd904db47026d9ad88cc247bd2de70406c66a4de. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4WPwGpQcIwZjSPqR8aMLt3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4WPwGpQcIwZjSPqR8aMLt3.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x9d5495d68649d3f438a352c9cd904db47026d9ad88cc247bd2de70406c66a4de","isrc":"USSM12201121","name":"Three Pieces from Schindler's List: II. Kraków Ghetto - Winter '41","registered_at":"2026-06-25T19:32:26Z","spotify_id":"4WPwGpQcIwZjSPqR8aMLt3","type":"track"}

Three Pieces from Schindler's List: III. Remembrances
type: MusicRecording
duration: PT6M35S
duration ms: 395213
explicit: false
by artist: John Williams
by artist: Yo-Yo Ma
by artist: New York Philharmonic
in album: A Gathering of Friends
  type: MusicAlbum
  date published: 2022-05-20
isrc code: USSM12201122
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T13:04:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4e7b73bba79b4ee8d7bfaf88d4b1873c9955a080906a29558087f9e0f5f0b48
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7EBgXo0XMtB5iv9Xok1qkH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7EBgXo0XMtB5iv9Xok1qkH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe4e7b73bba79b4ee8d7bfaf88d4b1873c9955a080906a29558087f9e0f5f0b48","isrc":"USSM12201122","name":"Three Pieces from Schindler's List: III. Remembrances","registered_at":"2026-06-24T13:04:32Z","spotify_id":"7EBgXo0XMtB5iv9Xok1qkH","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4e7b73bba79b4ee8d7bfaf88d4b1873c9955a080906a29558087f9e0f5f0b48. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7EBgXo0XMtB5iv9Xok1qkH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7EBgXo0XMtB5iv9Xok1qkH.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe4e7b73bba79b4ee8d7bfaf88d4b1873c9955a080906a29558087f9e0f5f0b48","isrc":"USSM12201122","name":"Three Pieces from Schindler's List: III. Remembrances","registered_at":"2026-06-24T13:04:32Z","spotify_id":"7EBgXo0XMtB5iv9Xok1qkH","type":"track"}

Highwood's Ghost
type: MusicRecording
duration: PT15M13S
duration ms: 913813
explicit: false
by artist: John Williams
by artist: Yo-Yo Ma
by artist: New York Philharmonic
by artist: Jessica Zhou
in album: A Gathering of Friends
  type: MusicAlbum
  date published: 2022-05-20
isrc code: USSM12201123

With Malice Toward None from Lincoln
type: MusicRecording
duration: PT4M11S
duration ms: 251386
explicit: false
by artist: John Williams
by artist: Yo-Yo Ma
by artist: New York Philharmonic
in album: A Gathering of Friends
  type: MusicAlbum
  date published: 2022-05-20
isrc code: USSM12201124
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T00:18:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb18cd10e1adc2babdc5c5430db094d8390f05f7187ec44440c951ddae3181b21
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/09cHzQXZ4VfcNnPzWsJrEa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/09cHzQXZ4VfcNnPzWsJrEa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb18cd10e1adc2babdc5c5430db094d8390f05f7187ec44440c951ddae3181b21","isrc":"USSM12201124","name":"With Malice Toward None from Lincoln","registered_at":"2026-06-20T00:18:01Z","spotify_id":"09cHzQXZ4VfcNnPzWsJrEa","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb18cd10e1adc2babdc5c5430db094d8390f05f7187ec44440c951ddae3181b21. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/09cHzQXZ4VfcNnPzWsJrEa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/09cHzQXZ4VfcNnPzWsJrEa.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xb18cd10e1adc2babdc5c5430db094d8390f05f7187ec44440c951ddae3181b21","isrc":"USSM12201124","name":"With Malice Toward None from Lincoln","registered_at":"2026-06-20T00:18:01Z","spotify_id":"09cHzQXZ4VfcNnPzWsJrEa","type":"track"}

A Prayer for Peace from Munich
type: MusicRecording
duration: PT4M32S
duration ms: 272840
explicit: false
by artist: John Williams
by artist: Yo-Yo Ma
by artist: Pablo Sainz Villegas
in album: A Gathering of Friends
  type: MusicAlbum
  date published: 2022-05-20
isrc code: USSM12201125
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T16:02:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x148ac95f1e70acc40523c77f395ff43335ac77ca0521b8d8c5e981ebc598065f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5XBzXIGsinF7niJQcmMLmT.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XBzXIGsinF7niJQcmMLmT
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x148ac95f1e70acc40523c77f395ff43335ac77ca0521b8d8c5e981ebc598065f","isrc":"USSM12201125","name":"A Prayer for Peace from Munich","registered_at":"2026-06-18T16:02:51Z","spotify_id":"5XBzXIGsinF7niJQcmMLmT","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x148ac95f1e70acc40523c77f395ff43335ac77ca0521b8d8c5e981ebc598065f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5XBzXIGsinF7niJQcmMLmT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XBzXIGsinF7niJQcmMLmT.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x148ac95f1e70acc40523c77f395ff43335ac77ca0521b8d8c5e981ebc598065f","isrc":"USSM12201125","name":"A Prayer for Peace from Munich","registered_at":"2026-06-18T16:02:51Z","spotify_id":"5XBzXIGsinF7niJQcmMLmT","type":"track"}

Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
type: MusicAlbum
date published: 2015-08-28
track: Brahms: Double Concerto for Violin and Cello in A Minor, Op. 102: I. Allegro
  type: MusicRecording
  duration: PT16M9S
  duration ms: 969240
  explicit: false
  by artist: Johannes Brahms
  by artist: Itzhak Perlman
  by artist: Yo-Yo Ma
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502020
track: Brahms: Double Concerto for Violin and Cello in A Minor, Op. 102: II. Andante
  type: MusicRecording
  duration: PT7M39S
  duration ms: 459506
  explicit: false
  by artist: Johannes Brahms
  by artist: Itzhak Perlman
  by artist: Yo-Yo Ma
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502021
track: Brahms: Double Concerto for Violin and Cello in A Minor, Op. 102: III. Vivace non troppo
  type: MusicRecording
  duration: PT8M21S
  duration ms: 501186
  explicit: false
  by artist: Johannes Brahms
  by artist: Itzhak Perlman
  by artist: Yo-Yo Ma
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502022
track: Mendelssohn: Violin Concerto in E Minor, Op. 64, MWV O14: I. Allegro molto appassionato
  type: MusicRecording
  duration: PT12M27S
  duration ms: 747826
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502023
track: Mendelssohn: Violin Concerto in E Minor, Op. 64, MWV O14: II. Andante
  type: MusicRecording
  duration: PT7M41S
  duration ms: 461880
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502024
track: Mendelssohn: Violin Concerto in E Minor, Op. 64, MWV O14: III. Allegretto non troppo - Allegro molto vivace
  type: MusicRecording
  duration: PT6M37S
  duration ms: 397880
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502025
track: Stravinsky: Violin Concerto in D Major: I. Toccata
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339800
  explicit: false
  by artist: Igor Stravinsky
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502026
track: Stravinsky: Violin Concerto in D Major: II. Aria I
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243493
  explicit: false
  by artist: Igor Stravinsky
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502027
track: Stravinsky: Violin Concerto in D Major: III. Aria II
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299800
  explicit: false
  by artist: Igor Stravinsky
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502028
track: Stravinsky: Violin Concerto in D Major: IV. Capriccio
  type: MusicRecording
  duration: PT6M2S
  duration ms: 362733
  explicit: false
  by artist: Igor Stravinsky
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502029
track: Prokofiev: Violin Concerto No. 2 in G Minor, Op. 63: I. Allegro moderato
  type: MusicRecording
  duration: PT10M6S
  duration ms: 606466
  explicit: false
  by artist: Sergei Prokofiev
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
  isrc code: GBAYC1502030
track: Prokofiev: Violin Concerto No. 2 in G Minor, Op. 63: II. Andante assai
  type: MusicRecording
  duration: PT9M15S
  duration ms: 555266
  explicit: false
  by artist: Sergei Prokofiev
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28
track: Prokofiev: Violin Concerto No. 2 in G Minor, Op. 63: III. Allegro ben marcato
  type: MusicRecording
  duration: PT6M15S
  duration ms: 375293
  explicit: false
  by artist: Sergei Prokofiev
  by artist: Itzhak Perlman
  by artist: Daniel Barenboim
  by artist: Chicago Symphony Orchestra
  in album: Brahms: Double Concerto - Mendelssohn, Stravinsky & Prokofiev: Violin Concertos
    type: MusicAlbum
    date published: 2015-08-28

Bach: Cello Suites Nos. 1, 5 & 6
type: MusicAlbum
date published: 1970-01-01
track: Cello Suite No. 5 in C Minor, BWV 1011: II. Allemande
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322306
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  in album: Bach: Cello Suites Nos. 1, 5 & 6
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM18200540
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T11:29:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbabcd7141f696eae7c43a70d0c5f8a36ff91fe5394fbdcc51a63576b23d8b568
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3sdrzlJmVJxQTC5gtfs4M4.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3sdrzlJmVJxQTC5gtfs4M4
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbabcd7141f696eae7c43a70d0c5f8a36ff91fe5394fbdcc51a63576b23d8b568","isrc":"USSM18200540","name":"Cello Suite No. 5 in C Minor, BWV 1011: II. Allemande","registered_at":"2026-06-05T11:29:15Z","spotify_id":"3sdrzlJmVJxQTC5gtfs4M4","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbabcd7141f696eae7c43a70d0c5f8a36ff91fe5394fbdcc51a63576b23d8b568. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3sdrzlJmVJxQTC5gtfs4M4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3sdrzlJmVJxQTC5gtfs4M4.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xbabcd7141f696eae7c43a70d0c5f8a36ff91fe5394fbdcc51a63576b23d8b568","isrc":"USSM18200540","name":"Cello Suite No. 5 in C Minor, BWV 1011: II. Allemande","registered_at":"2026-06-05T11:29:15Z","spotify_id":"3sdrzlJmVJxQTC5gtfs4M4","type":"track"}

Yo-Yo Ma Plays Ennio Morricone (Remastered)
type: MusicAlbum
date published: 1970-01-01
track: The Mission: Gabriel's Oboe
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192066
  explicit: false
  by artist: Ennio Morricone
  by artist: Yo-Yo Ma
  by artist: Roma Sinfonietta
  in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM10412223
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-02T00:44:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa37f1e7d0c13b2a9b2ee6c133bce22dc421e5e78ac0d042bd4f345b0d010a407
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4tZIHyRe46VpgRYMJWcqPO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tZIHyRe46VpgRYMJWcqPO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa37f1e7d0c13b2a9b2ee6c133bce22dc421e5e78ac0d042bd4f345b0d010a407","isrc":"USSM10412223","name":"The Mission: Gabriel's Oboe","registered_at":"2026-06-02T00:44:48Z","spotify_id":"4tZIHyRe46VpgRYMJWcqPO","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37f1e7d0c13b2a9b2ee6c133bce22dc421e5e78ac0d042bd4f345b0d010a407. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tZIHyRe46VpgRYMJWcqPO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tZIHyRe46VpgRYMJWcqPO.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xa37f1e7d0c13b2a9b2ee6c133bce22dc421e5e78ac0d042bd4f345b0d010a407","isrc":"USSM10412223","name":"The Mission: Gabriel's Oboe","registered_at":"2026-06-02T00:44:48Z","spotify_id":"4tZIHyRe46VpgRYMJWcqPO","type":"track"}
track: The Mission: The Falls
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145146
  explicit: false
  by artist: Ennio Morricone
  by artist: Yo-Yo Ma
  by artist: Roma Sinfonietta
  in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM10412224
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:31:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xddd7fde037f21e60137ef5c5eb3474697c87b175ebb576962234882f7e0c8a45
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7ufjlAqHC2ED4y8574RM6v.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ufjlAqHC2ED4y8574RM6v
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xddd7fde037f21e60137ef5c5eb3474697c87b175ebb576962234882f7e0c8a45","isrc":"USSM10412224","name":"The Mission: The Falls","registered_at":"2026-06-04T13:31:11Z","spotify_id":"7ufjlAqHC2ED4y8574RM6v","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddd7fde037f21e60137ef5c5eb3474697c87b175ebb576962234882f7e0c8a45. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7ufjlAqHC2ED4y8574RM6v.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ufjlAqHC2ED4y8574RM6v.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xddd7fde037f21e60137ef5c5eb3474697c87b175ebb576962234882f7e0c8a45","isrc":"USSM10412224","name":"The Mission: The Falls","registered_at":"2026-06-04T13:31:11Z","spotify_id":"7ufjlAqHC2ED4y8574RM6v","type":"track"}
track: Giuseppe Tornatore Suite: Playing Love from "The Legend of 1900"
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108986
  explicit: false
  by artist: Ennio Morricone
  by artist: Yo-Yo Ma
  by artist: Roma Sinfonietta
  in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM10412218
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T15:00:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3aa9d57c6c0b1343554c808556cb8fd0f5695e1dc41b81461f8fede217b848a6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/393qU26zNVIQNzdBxWQPek.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/393qU26zNVIQNzdBxWQPek
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3aa9d57c6c0b1343554c808556cb8fd0f5695e1dc41b81461f8fede217b848a6","isrc":"USSM10412218","name":"Giuseppe Tornatore Suite: Playing Love from \"The Legend of 1900\"","registered_at":"2026-06-04T15:00:05Z","spotify_id":"393qU26zNVIQNzdBxWQPek","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aa9d57c6c0b1343554c808556cb8fd0f5695e1dc41b81461f8fede217b848a6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/393qU26zNVIQNzdBxWQPek.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/393qU26zNVIQNzdBxWQPek.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x3aa9d57c6c0b1343554c808556cb8fd0f5695e1dc41b81461f8fede217b848a6","isrc":"USSM10412218","name":"Giuseppe Tornatore Suite: Playing Love from \"The Legend of 1900\"","registered_at":"2026-06-04T15:00:05Z","spotify_id":"393qU26zNVIQNzdBxWQPek","type":"track"}
track: Giuseppe Tornatore Suite: Nostalgia from "Cinema Paradiso"
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118253
  explicit: false
  by artist: Ennio Morricone
  by artist: Yo-Yo Ma
  by artist: Roma Sinfonietta
  in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM10412219
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T06:59:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd2859fbd42dacc27ebfcd61580b16677172b685d2e982cfebda37a8de25a1ab7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6PBzpqQmlZ8Ps4dko9G31t.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PBzpqQmlZ8Ps4dko9G31t
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd2859fbd42dacc27ebfcd61580b16677172b685d2e982cfebda37a8de25a1ab7","isrc":"USSM10412219","name":"Giuseppe Tornatore Suite: Nostalgia from \"Cinema Paradiso\"","registered_at":"2026-06-05T06:59:28Z","spotify_id":"6PBzpqQmlZ8Ps4dko9G31t","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2859fbd42dacc27ebfcd61580b16677172b685d2e982cfebda37a8de25a1ab7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6PBzpqQmlZ8Ps4dko9G31t.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PBzpqQmlZ8Ps4dko9G31t.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xd2859fbd42dacc27ebfcd61580b16677172b685d2e982cfebda37a8de25a1ab7","isrc":"USSM10412219","name":"Giuseppe Tornatore Suite: Nostalgia from \"Cinema Paradiso\"","registered_at":"2026-06-05T06:59:28Z","spotify_id":"6PBzpqQmlZ8Ps4dko9G31t","type":"track"}
track: Giuseppe Tornatore Suite: Looking for You (Love Theme) from "Cinema Paradiso"
track: Giuseppe Tornatore Suite: Main Theme from "Malena"
track: Giuseppe Tornatore Suite: Main Theme from "A Pure Formality" - Remembering (Ricordare)
track: Sergio Leone Suite: Deborah's Theme from "Once Upon a Time in America"
track: Sergio Leone Suite: Cockeye's Song from "Once Upon a Time in America"
track: Sergio Leone Suite: Main Theme from "Once Upon a Time in America"
track: Sergio Leone Suite: Main Theme from "Once Upon a Time in the West"
track: Sergio Leone Suite: Ecstasy of Gold from "The Good, the Bad, and the Ugly"
track: Brian DePalma Suite: Main Theme from "Casualities of War"
track: Brian DePalma Suite: Death Theme from "The Untouchables"
track: Moses and Marco Polo Suite: Journey from "Moses"
track: Moses and Marco Polo Suite: Theme from "Moses"
track: Moses and Marco Polo Suite: Main Theme from "Marco Polo"
track: Lady Caliph: Dinner
track: Lady Caliph: Nocturne

Giuseppe Tornatore Suite: Looking for You (Love Theme) from "Cinema Paradiso"
type: MusicRecording
duration: PT1M43S
duration ms: 103253
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:05:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa818b9aeb06ec76abb25a89fc87ec0d763bf28dfe253c559b3793ad9ae609fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3EM40T8QWY8x1DtC3xSzEj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3EM40T8QWY8x1DtC3xSzEj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaa818b9aeb06ec76abb25a89fc87ec0d763bf28dfe253c559b3793ad9ae609fc","isrc":"USSM10412220","name":"Giuseppe Tornatore Suite: Looking for You (Love Theme) from \"Cinema Paradiso\"","registered_at":"2026-06-05T12:05:36Z","spotify_id":"3EM40T8QWY8x1DtC3xSzEj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa818b9aeb06ec76abb25a89fc87ec0d763bf28dfe253c559b3793ad9ae609fc. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3EM40T8QWY8x1DtC3xSzEj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3EM40T8QWY8x1DtC3xSzEj.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xaa818b9aeb06ec76abb25a89fc87ec0d763bf28dfe253c559b3793ad9ae609fc","isrc":"USSM10412220","name":"Giuseppe Tornatore Suite: Looking for You (Love Theme) from \"Cinema Paradiso\"","registered_at":"2026-06-05T12:05:36Z","spotify_id":"3EM40T8QWY8x1DtC3xSzEj","type":"track"}

Giuseppe Tornatore Suite: Main Theme from "Malena"
type: MusicRecording
duration: PT4M21S
duration ms: 261706
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412221
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T15:26:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72cf8364b8334f5d675ee3cdcabaea89d7869be8005344f7b3fe7a725be008dc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3Eraox9mFZqDSxCu4k35n9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Eraox9mFZqDSxCu4k35n9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x72cf8364b8334f5d675ee3cdcabaea89d7869be8005344f7b3fe7a725be008dc","isrc":"USSM10412221","name":"Giuseppe Tornatore Suite: Main Theme from \"Malena\"","registered_at":"2026-06-05T15:26:10Z","spotify_id":"3Eraox9mFZqDSxCu4k35n9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72cf8364b8334f5d675ee3cdcabaea89d7869be8005344f7b3fe7a725be008dc. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Eraox9mFZqDSxCu4k35n9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Eraox9mFZqDSxCu4k35n9.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x72cf8364b8334f5d675ee3cdcabaea89d7869be8005344f7b3fe7a725be008dc","isrc":"USSM10412221","name":"Giuseppe Tornatore Suite: Main Theme from \"Malena\"","registered_at":"2026-06-05T15:26:10Z","spotify_id":"3Eraox9mFZqDSxCu4k35n9","type":"track"}

Giuseppe Tornatore Suite: Main Theme from "A Pure Formality" - Remembering (Ricordare)
type: MusicRecording
duration: PT3M48S
duration ms: 228506
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412222
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T21:11:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a8560d99c75cde982696dcf652385650f8b5db3e390b1a0bad6e19b230e6cba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/27GyC0T1T55LByhRjFavZ4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/27GyC0T1T55LByhRjFavZ4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0a8560d99c75cde982696dcf652385650f8b5db3e390b1a0bad6e19b230e6cba","isrc":"USSM10412222","name":"Giuseppe Tornatore Suite: Main Theme from \"A Pure Formality\" - Remembering (Ricordare)","registered_at":"2026-06-05T21:11:37Z","spotify_id":"27GyC0T1T55LByhRjFavZ4","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a8560d99c75cde982696dcf652385650f8b5db3e390b1a0bad6e19b230e6cba. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/27GyC0T1T55LByhRjFavZ4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/27GyC0T1T55LByhRjFavZ4.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x0a8560d99c75cde982696dcf652385650f8b5db3e390b1a0bad6e19b230e6cba","isrc":"USSM10412222","name":"Giuseppe Tornatore Suite: Main Theme from \"A Pure Formality\" - Remembering (Ricordare)","registered_at":"2026-06-05T21:11:37Z","spotify_id":"27GyC0T1T55LByhRjFavZ4","type":"track"}

Sergio Leone Suite: Deborah's Theme from "Once Upon a Time in America"
type: MusicRecording
duration: PT3M31S
duration ms: 211906
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412231
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:03:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6574a4c41a84f2b199f8ba284fac7ed04a2322a4072bc9b923a690b5998f7922
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4AmXnLqtS15Mq2cjrnru96.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4AmXnLqtS15Mq2cjrnru96
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6574a4c41a84f2b199f8ba284fac7ed04a2322a4072bc9b923a690b5998f7922","isrc":"USSM10412231","name":"Sergio Leone Suite: Deborah's Theme from \"Once Upon a Time in America\"","registered_at":"2026-06-04T13:03:26Z","spotify_id":"4AmXnLqtS15Mq2cjrnru96","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6574a4c41a84f2b199f8ba284fac7ed04a2322a4072bc9b923a690b5998f7922. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4AmXnLqtS15Mq2cjrnru96.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4AmXnLqtS15Mq2cjrnru96.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x6574a4c41a84f2b199f8ba284fac7ed04a2322a4072bc9b923a690b5998f7922","isrc":"USSM10412231","name":"Sergio Leone Suite: Deborah's Theme from \"Once Upon a Time in America\"","registered_at":"2026-06-04T13:03:26Z","spotify_id":"4AmXnLqtS15Mq2cjrnru96","type":"track"}

Sergio Leone Suite: Cockeye's Song from "Once Upon a Time in America"
type: MusicRecording
duration: PT2M12S
duration ms: 132680
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412232
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:25:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf79b448393f8a8da0c5e0010efea89e2bd155faa71609162112a4d6c7f5e6a50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6kqAM7Xawj2cSYKgchCqms.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kqAM7Xawj2cSYKgchCqms
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf79b448393f8a8da0c5e0010efea89e2bd155faa71609162112a4d6c7f5e6a50","isrc":"USSM10412232","name":"Sergio Leone Suite: Cockeye's Song from \"Once Upon a Time in America\"","registered_at":"2026-06-06T23:25:23Z","spotify_id":"6kqAM7Xawj2cSYKgchCqms","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf79b448393f8a8da0c5e0010efea89e2bd155faa71609162112a4d6c7f5e6a50. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6kqAM7Xawj2cSYKgchCqms.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kqAM7Xawj2cSYKgchCqms.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xf79b448393f8a8da0c5e0010efea89e2bd155faa71609162112a4d6c7f5e6a50","isrc":"USSM10412232","name":"Sergio Leone Suite: Cockeye's Song from \"Once Upon a Time in America\"","registered_at":"2026-06-06T23:25:23Z","spotify_id":"6kqAM7Xawj2cSYKgchCqms","type":"track"}

Sergio Leone Suite: Main Theme from "Once Upon a Time in America"
type: MusicRecording
duration: PT1M48S
duration ms: 108733
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T03:28:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b04d51bf1f1ed7e5646a45e74f73a5cfcf44dce96799918f5a07b3c5f68920d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6UsDLCEkhXVrX13IpL2Wpa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UsDLCEkhXVrX13IpL2Wpa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6b04d51bf1f1ed7e5646a45e74f73a5cfcf44dce96799918f5a07b3c5f68920d","isrc":"USSM10412233","name":"Sergio Leone Suite: Main Theme from \"Once Upon a Time in America\"","registered_at":"2026-06-06T03:28:26Z","spotify_id":"6UsDLCEkhXVrX13IpL2Wpa","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b04d51bf1f1ed7e5646a45e74f73a5cfcf44dce96799918f5a07b3c5f68920d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UsDLCEkhXVrX13IpL2Wpa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UsDLCEkhXVrX13IpL2Wpa.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6b04d51bf1f1ed7e5646a45e74f73a5cfcf44dce96799918f5a07b3c5f68920d","isrc":"USSM10412233","name":"Sergio Leone Suite: Main Theme from \"Once Upon a Time in America\"","registered_at":"2026-06-06T03:28:26Z","spotify_id":"6UsDLCEkhXVrX13IpL2Wpa","type":"track"}

Sergio Leone Suite: Main Theme from "Once Upon a Time in the West"
type: MusicRecording
duration: PT3M21S
duration ms: 201040
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412234
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:04:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x92cb4858da5ef44bebf876bfce62ad8aff0d34e3aa087166dbfbe9c1a630c174
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/42TkptuMdxoqrosUTwnJIe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/42TkptuMdxoqrosUTwnJIe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x92cb4858da5ef44bebf876bfce62ad8aff0d34e3aa087166dbfbe9c1a630c174","isrc":"USSM10412234","name":"Sergio Leone Suite: Main Theme from \"Once Upon a Time in the West\"","registered_at":"2026-06-05T12:04:52Z","spotify_id":"42TkptuMdxoqrosUTwnJIe","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92cb4858da5ef44bebf876bfce62ad8aff0d34e3aa087166dbfbe9c1a630c174. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/42TkptuMdxoqrosUTwnJIe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/42TkptuMdxoqrosUTwnJIe.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x92cb4858da5ef44bebf876bfce62ad8aff0d34e3aa087166dbfbe9c1a630c174","isrc":"USSM10412234","name":"Sergio Leone Suite: Main Theme from \"Once Upon a Time in the West\"","registered_at":"2026-06-05T12:04:52Z","spotify_id":"42TkptuMdxoqrosUTwnJIe","type":"track"}

Sergio Leone Suite: Ecstasy of Gold from "The Good, the Bad, and the Ugly"
type: MusicRecording
duration: PT3M57S
duration ms: 237186
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412235
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T08:19:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35ccc7d47ac1661f8415b882674f39551373aef2f4a26cb3057a529edf1ab61f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4rRTHiVtBHQpieLn4fhtqP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rRTHiVtBHQpieLn4fhtqP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x35ccc7d47ac1661f8415b882674f39551373aef2f4a26cb3057a529edf1ab61f","isrc":"USSM10412235","name":"Sergio Leone Suite: Ecstasy of Gold from \"The Good, the Bad, and the Ugly\"","registered_at":"2026-06-05T08:19:11Z","spotify_id":"4rRTHiVtBHQpieLn4fhtqP","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ccc7d47ac1661f8415b882674f39551373aef2f4a26cb3057a529edf1ab61f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4rRTHiVtBHQpieLn4fhtqP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rRTHiVtBHQpieLn4fhtqP.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x35ccc7d47ac1661f8415b882674f39551373aef2f4a26cb3057a529edf1ab61f","isrc":"USSM10412235","name":"Sergio Leone Suite: Ecstasy of Gold from \"The Good, the Bad, and the Ugly\"","registered_at":"2026-06-05T08:19:11Z","spotify_id":"4rRTHiVtBHQpieLn4fhtqP","type":"track"}

Brian DePalma Suite: Main Theme from "Casualities of War"
type: MusicRecording
duration: PT3M53S
duration ms: 233840
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412229
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:57:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x40f3219b3b86de06d01d5f29b8ee21e6a7594a22646825cc78af4953816bff77
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7Ct0rGhMwqDk7wFr5Eohhq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Ct0rGhMwqDk7wFr5Eohhq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x40f3219b3b86de06d01d5f29b8ee21e6a7594a22646825cc78af4953816bff77","isrc":"USSM10412229","name":"Brian DePalma Suite: Main Theme from \"Casualities of War\"","registered_at":"2026-06-06T16:57:06Z","spotify_id":"7Ct0rGhMwqDk7wFr5Eohhq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40f3219b3b86de06d01d5f29b8ee21e6a7594a22646825cc78af4953816bff77. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Ct0rGhMwqDk7wFr5Eohhq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Ct0rGhMwqDk7wFr5Eohhq.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x40f3219b3b86de06d01d5f29b8ee21e6a7594a22646825cc78af4953816bff77","isrc":"USSM10412229","name":"Brian DePalma Suite: Main Theme from \"Casualities of War\"","registered_at":"2026-06-06T16:57:06Z","spotify_id":"7Ct0rGhMwqDk7wFr5Eohhq","type":"track"}

Brian DePalma Suite: Death Theme from "The Untouchables"
type: MusicRecording
duration: PT3M10S
duration ms: 190373
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412230
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:53:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8a10631bf1b6cf31d111de10afc89fbd99aaaf73cab49d632831dcafbc15afe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6sXwRxL6a9jbA8zlo5BUju.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6sXwRxL6a9jbA8zlo5BUju
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd8a10631bf1b6cf31d111de10afc89fbd99aaaf73cab49d632831dcafbc15afe","isrc":"USSM10412230","name":"Brian DePalma Suite: Death Theme from \"The Untouchables\"","registered_at":"2026-06-06T16:53:54Z","spotify_id":"6sXwRxL6a9jbA8zlo5BUju","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8a10631bf1b6cf31d111de10afc89fbd99aaaf73cab49d632831dcafbc15afe. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6sXwRxL6a9jbA8zlo5BUju.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6sXwRxL6a9jbA8zlo5BUju.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xd8a10631bf1b6cf31d111de10afc89fbd99aaaf73cab49d632831dcafbc15afe","isrc":"USSM10412230","name":"Brian DePalma Suite: Death Theme from \"The Untouchables\"","registered_at":"2026-06-06T16:53:54Z","spotify_id":"6sXwRxL6a9jbA8zlo5BUju","type":"track"}

Moses and Marco Polo Suite: Journey from "Moses"
type: MusicRecording
duration: PT2M34S
duration ms: 154000
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412225
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:58:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf258c151c16901c6c1629c9a4076aba18ccd4034767e7cda32388245672d0cc1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2NndOGI6s9gbjXZeGnRt5M.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2NndOGI6s9gbjXZeGnRt5M
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf258c151c16901c6c1629c9a4076aba18ccd4034767e7cda32388245672d0cc1","isrc":"USSM10412225","name":"Moses and Marco Polo Suite: Journey from \"Moses\"","registered_at":"2026-06-07T06:58:46Z","spotify_id":"2NndOGI6s9gbjXZeGnRt5M","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf258c151c16901c6c1629c9a4076aba18ccd4034767e7cda32388245672d0cc1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2NndOGI6s9gbjXZeGnRt5M.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2NndOGI6s9gbjXZeGnRt5M.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xf258c151c16901c6c1629c9a4076aba18ccd4034767e7cda32388245672d0cc1","isrc":"USSM10412225","name":"Moses and Marco Polo Suite: Journey from \"Moses\"","registered_at":"2026-06-07T06:58:46Z","spotify_id":"2NndOGI6s9gbjXZeGnRt5M","type":"track"}

Moses and Marco Polo Suite: Theme from "Moses"
type: MusicRecording
duration: PT2M6S
duration ms: 126626
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412226
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:24:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa876519b5c8b3f731dbe5d83ecf0ed0f3be43bfc654b3576ef474cbaaf404943
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1mlPOwXbHTZTxCc1KZYKcL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1mlPOwXbHTZTxCc1KZYKcL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa876519b5c8b3f731dbe5d83ecf0ed0f3be43bfc654b3576ef474cbaaf404943","isrc":"USSM10412226","name":"Moses and Marco Polo Suite: Theme from \"Moses\"","registered_at":"2026-06-06T23:24:36Z","spotify_id":"1mlPOwXbHTZTxCc1KZYKcL","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa876519b5c8b3f731dbe5d83ecf0ed0f3be43bfc654b3576ef474cbaaf404943. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1mlPOwXbHTZTxCc1KZYKcL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1mlPOwXbHTZTxCc1KZYKcL.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xa876519b5c8b3f731dbe5d83ecf0ed0f3be43bfc654b3576ef474cbaaf404943","isrc":"USSM10412226","name":"Moses and Marco Polo Suite: Theme from \"Moses\"","registered_at":"2026-06-06T23:24:36Z","spotify_id":"1mlPOwXbHTZTxCc1KZYKcL","type":"track"}

Moses and Marco Polo Suite: Main Theme from "Marco Polo"
type: MusicRecording
duration: PT3M21S
duration ms: 201426
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412236
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:20:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3cd7207dae546c16a27d3960c021084834c385644e9f7eccb7e83a7c1d6225d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1unBmHY6xSngqqNfQyPVdt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1unBmHY6xSngqqNfQyPVdt
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa3cd7207dae546c16a27d3960c021084834c385644e9f7eccb7e83a7c1d6225d","isrc":"USSM10412236","name":"Moses and Marco Polo Suite: Main Theme from \"Marco Polo\"","registered_at":"2026-06-06T23:20:25Z","spotify_id":"1unBmHY6xSngqqNfQyPVdt","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3cd7207dae546c16a27d3960c021084834c385644e9f7eccb7e83a7c1d6225d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1unBmHY6xSngqqNfQyPVdt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1unBmHY6xSngqqNfQyPVdt.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xa3cd7207dae546c16a27d3960c021084834c385644e9f7eccb7e83a7c1d6225d","isrc":"USSM10412236","name":"Moses and Marco Polo Suite: Main Theme from \"Marco Polo\"","registered_at":"2026-06-06T23:20:25Z","spotify_id":"1unBmHY6xSngqqNfQyPVdt","type":"track"}

Lady Caliph: Dinner
type: MusicRecording
duration: PT3M50S
duration ms: 230400
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412228
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:07:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x722f3b48efc1a74d9a2ffb7a30ac0266586d7e3b8f86aa97444ef4190f4ee380
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0ZxAdzTC0cKiKmPPoUVWKO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ZxAdzTC0cKiKmPPoUVWKO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x722f3b48efc1a74d9a2ffb7a30ac0266586d7e3b8f86aa97444ef4190f4ee380","isrc":"USSM10412228","name":"Lady Caliph: Dinner","registered_at":"2026-06-05T12:07:18Z","spotify_id":"0ZxAdzTC0cKiKmPPoUVWKO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x722f3b48efc1a74d9a2ffb7a30ac0266586d7e3b8f86aa97444ef4190f4ee380. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ZxAdzTC0cKiKmPPoUVWKO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ZxAdzTC0cKiKmPPoUVWKO.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x722f3b48efc1a74d9a2ffb7a30ac0266586d7e3b8f86aa97444ef4190f4ee380","isrc":"USSM10412228","name":"Lady Caliph: Dinner","registered_at":"2026-06-05T12:07:18Z","spotify_id":"0ZxAdzTC0cKiKmPPoUVWKO","type":"track"}

Lady Caliph: Nocturne
type: MusicRecording
duration: PT2M33S
duration ms: 153493
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Yo-Yo Ma Plays Ennio Morricone (Remastered)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10412227
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:24:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5678972f39ca654b7eb58bdf28739ff711030bc11ddc8225eeb2e1d8af5361fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5A9jxncVxlsfeIA7KHpQ18.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5A9jxncVxlsfeIA7KHpQ18
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5678972f39ca654b7eb58bdf28739ff711030bc11ddc8225eeb2e1d8af5361fc","isrc":"USSM10412227","name":"Lady Caliph: Nocturne","registered_at":"2026-06-05T16:24:21Z","spotify_id":"5A9jxncVxlsfeIA7KHpQ18","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5678972f39ca654b7eb58bdf28739ff711030bc11ddc8225eeb2e1d8af5361fc. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5A9jxncVxlsfeIA7KHpQ18.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5A9jxncVxlsfeIA7KHpQ18.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x5678972f39ca654b7eb58bdf28739ff711030bc11ddc8225eeb2e1d8af5361fc","isrc":"USSM10412227","name":"Lady Caliph: Nocturne","registered_at":"2026-06-05T16:24:21Z","spotify_id":"5A9jxncVxlsfeIA7KHpQ18","type":"track"}

Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
type: MusicAlbum
date published: 2024-03-15
track: Symphony No. 4 in B-Flat Major, Op. 60: I. Adagio - Allegro vivace
  type: MusicRecording
  duration: PT11M23S
  duration ms: 683720
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
    type: MusicAlbum
    date published: 2024-03-15
  isrc code: USQX92307320
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T11:50:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0d1552b58b13957c10def66ffaa8b9f7adf62afb5b643b677f440f6044fe8293
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2wjFlPUL3A82Z2Kqtt2cjF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wjFlPUL3A82Z2Kqtt2cjF
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0d1552b58b13957c10def66ffaa8b9f7adf62afb5b643b677f440f6044fe8293","isrc":"USQX92307320","name":"Symphony No. 4 in B-Flat Major, Op. 60: I. Adagio - Allegro vivace","registered_at":"2026-06-18T11:50:52Z","spotify_id":"2wjFlPUL3A82Z2Kqtt2cjF","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d1552b58b13957c10def66ffaa8b9f7adf62afb5b643b677f440f6044fe8293. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wjFlPUL3A82Z2Kqtt2cjF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wjFlPUL3A82Z2Kqtt2cjF.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x0d1552b58b13957c10def66ffaa8b9f7adf62afb5b643b677f440f6044fe8293","isrc":"USQX92307320","name":"Symphony No. 4 in B-Flat Major, Op. 60: I. Adagio - Allegro vivace","registered_at":"2026-06-18T11:50:52Z","spotify_id":"2wjFlPUL3A82Z2Kqtt2cjF","type":"track"}
track: Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio
  type: MusicRecording
  duration: PT9M17S
  duration ms: 557960
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
    type: MusicAlbum
    date published: 2024-03-15
  isrc code: USQX92307321
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T13:38:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa224b738bb2e6dfb0155358e25d504b60acddbb0e17c7f800ce9e91638c3879f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0R5fGK7eCrmG9gzacJ53K1.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0R5fGK7eCrmG9gzacJ53K1
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa224b738bb2e6dfb0155358e25d504b60acddbb0e17c7f800ce9e91638c3879f","isrc":"USQX92307321","name":"Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio","registered_at":"2026-06-19T13:38:01Z","spotify_id":"0R5fGK7eCrmG9gzacJ53K1","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa224b738bb2e6dfb0155358e25d504b60acddbb0e17c7f800ce9e91638c3879f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0R5fGK7eCrmG9gzacJ53K1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0R5fGK7eCrmG9gzacJ53K1.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xa224b738bb2e6dfb0155358e25d504b60acddbb0e17c7f800ce9e91638c3879f","isrc":"USQX92307321","name":"Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio","registered_at":"2026-06-19T13:38:01Z","spotify_id":"0R5fGK7eCrmG9gzacJ53K1","type":"track"}
track: Symphony No. 4 in B-Flat Major, Op. 60: III. Allegro vivace
  type: MusicRecording
  duration: PT5M23S
  duration ms: 323706
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
    type: MusicAlbum
    date published: 2024-03-15
  isrc code: USQX92307322
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T19:39:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2a6c330e6a2257ccff5605f20858f21a0b702b236b50449c766a3a888556c802
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7qDx4C3JyYynrXZx4vbBuz.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7qDx4C3JyYynrXZx4vbBuz
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2a6c330e6a2257ccff5605f20858f21a0b702b236b50449c766a3a888556c802","isrc":"USQX92307322","name":"Symphony No. 4 in B-Flat Major, Op. 60: III. Allegro vivace","registered_at":"2026-06-20T19:39:00Z","spotify_id":"7qDx4C3JyYynrXZx4vbBuz","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a6c330e6a2257ccff5605f20858f21a0b702b236b50449c766a3a888556c802. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7qDx4C3JyYynrXZx4vbBuz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7qDx4C3JyYynrXZx4vbBuz.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x2a6c330e6a2257ccff5605f20858f21a0b702b236b50449c766a3a888556c802","isrc":"USQX92307322","name":"Symphony No. 4 in B-Flat Major, Op. 60: III. Allegro vivace","registered_at":"2026-06-20T19:39:00Z","spotify_id":"7qDx4C3JyYynrXZx4vbBuz","type":"track"}
track: Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo
  type: MusicRecording
  duration: PT7M6S
  duration ms: 426746
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
    type: MusicAlbum
    date published: 2024-03-15
  isrc code: USQX92307323
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T03:04:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f44ade252c569f867541eff53d856fed0093ee89029dd2c8f361b06aea50597
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6konjz3MlA7d4Tk7r0TLvw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6konjz3MlA7d4Tk7r0TLvw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9f44ade252c569f867541eff53d856fed0093ee89029dd2c8f361b06aea50597","isrc":"USQX92307323","name":"Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo","registered_at":"2026-06-18T03:04:51Z","spotify_id":"6konjz3MlA7d4Tk7r0TLvw","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f44ade252c569f867541eff53d856fed0093ee89029dd2c8f361b06aea50597. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6konjz3MlA7d4Tk7r0TLvw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6konjz3MlA7d4Tk7r0TLvw.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x9f44ade252c569f867541eff53d856fed0093ee89029dd2c8f361b06aea50597","isrc":"USQX92307323","name":"Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo","registered_at":"2026-06-18T03:04:51Z","spotify_id":"6konjz3MlA7d4Tk7r0TLvw","type":"track"}
track: Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": I. Allegro moderato
track: Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": II. Scherzo. Allegro
track: Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": III. Andante cantabile, ma però con moto
track: Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": IV. Allegro moderato

Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": I. Allegro moderato
type: MusicRecording
duration: PT14M12S
duration ms: 852600
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Leonidas Kavakos
by artist: Emanuel Ax
in album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
  type: MusicAlbum
  date published: 2024-03-15
isrc code: USQX92307325
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:24:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93ee52b62d23bc44b3d913a3a25f700c0b567cd2bd434771149d75ea01edeeea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2aWXe26mFmh4UuZ4Zcpzpi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2aWXe26mFmh4UuZ4Zcpzpi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x93ee52b62d23bc44b3d913a3a25f700c0b567cd2bd434771149d75ea01edeeea","isrc":"USQX92307325","name":"Piano Trio No. 7 in B-Flat Major, Op. 97, \"Archduke\": I. Allegro moderato","registered_at":"2026-06-20T08:24:55Z","spotify_id":"2aWXe26mFmh4UuZ4Zcpzpi","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93ee52b62d23bc44b3d913a3a25f700c0b567cd2bd434771149d75ea01edeeea. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2aWXe26mFmh4UuZ4Zcpzpi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2aWXe26mFmh4UuZ4Zcpzpi.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x93ee52b62d23bc44b3d913a3a25f700c0b567cd2bd434771149d75ea01edeeea","isrc":"USQX92307325","name":"Piano Trio No. 7 in B-Flat Major, Op. 97, \"Archduke\": I. Allegro moderato","registered_at":"2026-06-20T08:24:55Z","spotify_id":"2aWXe26mFmh4UuZ4Zcpzpi","type":"track"}

Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": II. Scherzo. Allegro
type: MusicRecording
duration: PT7M8S
duration ms: 428360
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Leonidas Kavakos
by artist: Emanuel Ax
in album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
  type: MusicAlbum
  date published: 2024-03-15
isrc code: USQX92307326
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T15:55:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7260943a78a9cc97bea541027709f0e958aa1efcfb0971ef2e8e720bd9de5f3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/30AQolUR7mQXh2kDM51hKv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/30AQolUR7mQXh2kDM51hKv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7260943a78a9cc97bea541027709f0e958aa1efcfb0971ef2e8e720bd9de5f3c","isrc":"USQX92307326","name":"Piano Trio No. 7 in B-Flat Major, Op. 97, \"Archduke\": II. Scherzo. Allegro","registered_at":"2026-06-11T15:55:27Z","spotify_id":"30AQolUR7mQXh2kDM51hKv","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7260943a78a9cc97bea541027709f0e958aa1efcfb0971ef2e8e720bd9de5f3c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/30AQolUR7mQXh2kDM51hKv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/30AQolUR7mQXh2kDM51hKv.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x7260943a78a9cc97bea541027709f0e958aa1efcfb0971ef2e8e720bd9de5f3c","isrc":"USQX92307326","name":"Piano Trio No. 7 in B-Flat Major, Op. 97, \"Archduke\": II. Scherzo. Allegro","registered_at":"2026-06-11T15:55:27Z","spotify_id":"30AQolUR7mQXh2kDM51hKv","type":"track"}

Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": III. Andante cantabile, ma però con moto
type: MusicRecording
duration: PT12M43S
duration ms: 763546
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Leonidas Kavakos
by artist: Emanuel Ax
in album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
  type: MusicAlbum
  date published: 2024-03-15
isrc code: USQX92307327
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:09:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1854292b7bd9eb5358228b6f4cfb91d3263f122924979c6bf0473278cefac6ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2JqKSTvylBrHV4C2Ih6kkK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2JqKSTvylBrHV4C2Ih6kkK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1854292b7bd9eb5358228b6f4cfb91d3263f122924979c6bf0473278cefac6ca","isrc":"USQX92307327","name":"Piano Trio No. 7 in B-Flat Major, Op. 97, \"Archduke\": III. Andante cantabile, ma però con moto","registered_at":"2026-06-20T10:09:45Z","spotify_id":"2JqKSTvylBrHV4C2Ih6kkK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1854292b7bd9eb5358228b6f4cfb91d3263f122924979c6bf0473278cefac6ca. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2JqKSTvylBrHV4C2Ih6kkK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2JqKSTvylBrHV4C2Ih6kkK.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x1854292b7bd9eb5358228b6f4cfb91d3263f122924979c6bf0473278cefac6ca","isrc":"USQX92307327","name":"Piano Trio No. 7 in B-Flat Major, Op. 97, \"Archduke\": III. Andante cantabile, ma però con moto","registered_at":"2026-06-20T10:09:45Z","spotify_id":"2JqKSTvylBrHV4C2Ih6kkK","type":"track"}

Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": IV. Allegro moderato
type: MusicRecording
duration: PT7M37S
duration ms: 457346
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Leonidas Kavakos
by artist: Emanuel Ax
in album: Beethoven for Three: Symphony No. 4 and Op. 97 "Archduke"
  type: MusicAlbum
  date published: 2024-03-15
isrc code: USQX92307328
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T16:29:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1fd05d3a77fa9628c04216922a77b8f45113b79a41674c209fac54e6e806e503
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7FXKYX6vQUllq7xdekt9i8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7FXKYX6vQUllq7xdekt9i8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1fd05d3a77fa9628c04216922a77b8f45113b79a41674c209fac54e6e806e503","isrc":"USQX92307328","name":"Piano Trio No. 7 in B-Flat Major, Op. 97, \"Archduke\": IV. Allegro moderato","registered_at":"2026-06-24T16:29:16Z","spotify_id":"7FXKYX6vQUllq7xdekt9i8","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fd05d3a77fa9628c04216922a77b8f45113b79a41674c209fac54e6e806e503. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7FXKYX6vQUllq7xdekt9i8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7FXKYX6vQUllq7xdekt9i8.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x1fd05d3a77fa9628c04216922a77b8f45113b79a41674c209fac54e6e806e503","isrc":"USQX92307328","name":"Piano Trio No. 7 in B-Flat Major, Op. 97, \"Archduke\": IV. Allegro moderato","registered_at":"2026-06-24T16:29:16Z","spotify_id":"7FXKYX6vQUllq7xdekt9i8","type":"track"}

Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
type: MusicAlbum
date published: 2022-11-11
track: Symphony No. 6 in F Major, Op. 68, "Pastorale": I. Allegro ma non troppo, "Awakening of cheerful feelings on arriving in the countryside"
  type: MusicRecording
  duration: PT11M51S
  duration ms: 711626
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  by artist: Leonidas Kavakos
  in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: USQX92204208
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T07:46:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xecf0b0efb49e99ef428445aa53051275ada5a6d82d6ba6da4a7c79bdf774fe9d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6Ye4niSXscwpj4smkb5ioO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Ye4niSXscwpj4smkb5ioO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xecf0b0efb49e99ef428445aa53051275ada5a6d82d6ba6da4a7c79bdf774fe9d","isrc":"USQX92204208","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": I. Allegro ma non troppo, \"Awakening of cheerful feelings on arriving in the countryside\"","registered_at":"2026-06-04T07:46:29Z","spotify_id":"6Ye4niSXscwpj4smkb5ioO","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecf0b0efb49e99ef428445aa53051275ada5a6d82d6ba6da4a7c79bdf774fe9d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Ye4niSXscwpj4smkb5ioO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Ye4niSXscwpj4smkb5ioO.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xecf0b0efb49e99ef428445aa53051275ada5a6d82d6ba6da4a7c79bdf774fe9d","isrc":"USQX92204208","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": I. Allegro ma non troppo, \"Awakening of cheerful feelings on arriving in the countryside\"","registered_at":"2026-06-04T07:46:29Z","spotify_id":"6Ye4niSXscwpj4smkb5ioO","type":"track"}
track: Symphony No. 6 in F Major, Op. 68, "Pastorale": II. Andante molto mosso, "Scene by the brook"
  type: MusicRecording
  duration: PT11M56S
  duration ms: 716800
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  by artist: Leonidas Kavakos
  in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: USQX92204209
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T03:05:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x754650bf6a74ff6afaae123605f89fe5131d79e93227f02d287ab68a91cd5884
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1j1gwzkkiOPtxfDzUNLpw3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1j1gwzkkiOPtxfDzUNLpw3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x754650bf6a74ff6afaae123605f89fe5131d79e93227f02d287ab68a91cd5884","isrc":"USQX92204209","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": II. Andante molto mosso, \"Scene by the brook\"","registered_at":"2026-06-18T03:05:05Z","spotify_id":"1j1gwzkkiOPtxfDzUNLpw3","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754650bf6a74ff6afaae123605f89fe5131d79e93227f02d287ab68a91cd5884. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1j1gwzkkiOPtxfDzUNLpw3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1j1gwzkkiOPtxfDzUNLpw3.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x754650bf6a74ff6afaae123605f89fe5131d79e93227f02d287ab68a91cd5884","isrc":"USQX92204209","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": II. Andante molto mosso, \"Scene by the brook\"","registered_at":"2026-06-18T03:05:05Z","spotify_id":"1j1gwzkkiOPtxfDzUNLpw3","type":"track"}
track: Symphony No. 6 in F Major, Op. 68, "Pastorale": III. Allegro, "Joyful gathering of countryfolk"
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291573
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  by artist: Leonidas Kavakos
  in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: USQX92204210
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T17:52:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ca09883e2e901f1f6435db05939ea7f2b2f3fdb2126dfa45f8a03c1e22d08c1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5voeV4ZaHuWAPtfffGK2so.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5voeV4ZaHuWAPtfffGK2so
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0ca09883e2e901f1f6435db05939ea7f2b2f3fdb2126dfa45f8a03c1e22d08c1","isrc":"USQX92204210","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": III. Allegro, \"Joyful gathering of countryfolk\"","registered_at":"2026-06-18T17:52:56Z","spotify_id":"5voeV4ZaHuWAPtfffGK2so","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ca09883e2e901f1f6435db05939ea7f2b2f3fdb2126dfa45f8a03c1e22d08c1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5voeV4ZaHuWAPtfffGK2so.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5voeV4ZaHuWAPtfffGK2so.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x0ca09883e2e901f1f6435db05939ea7f2b2f3fdb2126dfa45f8a03c1e22d08c1","isrc":"USQX92204210","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": III. Allegro, \"Joyful gathering of countryfolk\"","registered_at":"2026-06-18T17:52:56Z","spotify_id":"5voeV4ZaHuWAPtfffGK2so","type":"track"}
track: Symphony No. 6 in F Major, Op. 68, "Pastorale": IV. Allegro, "The storm"
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222920
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  by artist: Leonidas Kavakos
  in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: USQX92204211
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T03:04:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb32df74343a872f3884acf0fd2d06b50a2739050b964e138b2a3840db99f53a4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7tAB4G7eaZFBoIt97IN5kM.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tAB4G7eaZFBoIt97IN5kM
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb32df74343a872f3884acf0fd2d06b50a2739050b964e138b2a3840db99f53a4","isrc":"USQX92204211","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": IV. Allegro, \"The storm\"","registered_at":"2026-06-18T03:04:47Z","spotify_id":"7tAB4G7eaZFBoIt97IN5kM","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32df74343a872f3884acf0fd2d06b50a2739050b964e138b2a3840db99f53a4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7tAB4G7eaZFBoIt97IN5kM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tAB4G7eaZFBoIt97IN5kM.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xb32df74343a872f3884acf0fd2d06b50a2739050b964e138b2a3840db99f53a4","isrc":"USQX92204211","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": IV. Allegro, \"The storm\"","registered_at":"2026-06-18T03:04:47Z","spotify_id":"7tAB4G7eaZFBoIt97IN5kM","type":"track"}
track: Symphony No. 6 in F Major, Op. 68, "Pastorale": V. Allegretto, "Shepherd's song. Thanksgiving after the storm"
track: Piano Trio No. 3 in C Minor, Op. 1, No. 3: I. Allegro con brio
track: Piano Trio No. 3 in C Minor, Op. 1, No. 3: II. Andante cantabile con variazioni
track: Piano Trio No. 3 in C Minor, Op. 1, No. 3: III. Menuetto. Quasi allegro
track: Piano Trio No. 3 in C Minor, Op. 1, No. 3: IV. Finale. Prestissimo

Symphony No. 6 in F Major, Op. 68, "Pastorale": V. Allegretto, "Shepherd's song. Thanksgiving after the storm"
type: MusicRecording
duration: PT9M46S
duration ms: 586813
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
  type: MusicAlbum
  date published: 2022-11-11
isrc code: USQX92204212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:53:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87527ca03618f5369b4526ee4c8c36bd9837fb8719b50b59119f96daa834df4d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5JOip0WUyAbOqm8vRxBYF8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JOip0WUyAbOqm8vRxBYF8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x87527ca03618f5369b4526ee4c8c36bd9837fb8719b50b59119f96daa834df4d","isrc":"USQX92204212","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": V. Allegretto, \"Shepherd's song. Thanksgiving after the storm\"","registered_at":"2026-06-18T17:53:56Z","spotify_id":"5JOip0WUyAbOqm8vRxBYF8","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87527ca03618f5369b4526ee4c8c36bd9837fb8719b50b59119f96daa834df4d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JOip0WUyAbOqm8vRxBYF8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JOip0WUyAbOqm8vRxBYF8.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x87527ca03618f5369b4526ee4c8c36bd9837fb8719b50b59119f96daa834df4d","isrc":"USQX92204212","name":"Symphony No. 6 in F Major, Op. 68, \"Pastorale\": V. Allegretto, \"Shepherd's song. Thanksgiving after the storm\"","registered_at":"2026-06-18T17:53:56Z","spotify_id":"5JOip0WUyAbOqm8vRxBYF8","type":"track"}

Piano Trio No. 3 in C Minor, Op. 1, No. 3: I. Allegro con brio
type: MusicRecording
duration: PT10M1S
duration ms: 601373
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
  type: MusicAlbum
  date published: 2022-11-11
isrc code: USQX92204214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:26:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b7040c2c0beb9f8dc9885fd61da1fcd67e97aaa8d43cb1c7d999568bd8c962c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0aTKRryovwtvOVEJrLNvYF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0aTKRryovwtvOVEJrLNvYF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7b7040c2c0beb9f8dc9885fd61da1fcd67e97aaa8d43cb1c7d999568bd8c962c","isrc":"USQX92204214","name":"Piano Trio No. 3 in C Minor, Op. 1, No. 3: I. Allegro con brio","registered_at":"2026-06-20T08:26:19Z","spotify_id":"0aTKRryovwtvOVEJrLNvYF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b7040c2c0beb9f8dc9885fd61da1fcd67e97aaa8d43cb1c7d999568bd8c962c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0aTKRryovwtvOVEJrLNvYF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0aTKRryovwtvOVEJrLNvYF.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7b7040c2c0beb9f8dc9885fd61da1fcd67e97aaa8d43cb1c7d999568bd8c962c","isrc":"USQX92204214","name":"Piano Trio No. 3 in C Minor, Op. 1, No. 3: I. Allegro con brio","registered_at":"2026-06-20T08:26:19Z","spotify_id":"0aTKRryovwtvOVEJrLNvYF","type":"track"}

Piano Trio No. 3 in C Minor, Op. 1, No. 3: II. Andante cantabile con variazioni
type: MusicRecording
duration: PT7M38S
duration ms: 458586
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
  type: MusicAlbum
  date published: 2022-11-11
isrc code: USQX92204215
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T03:05:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4a66bb0d6c1288f0b8cbd62a118a7eefcdf8a5ec7f417df6a380e8843ec471f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/19p3vh4vsrsSaZwpdZfpeQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19p3vh4vsrsSaZwpdZfpeQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd4a66bb0d6c1288f0b8cbd62a118a7eefcdf8a5ec7f417df6a380e8843ec471f","isrc":"USQX92204215","name":"Piano Trio No. 3 in C Minor, Op. 1, No. 3: II. Andante cantabile con variazioni","registered_at":"2026-06-18T03:05:57Z","spotify_id":"19p3vh4vsrsSaZwpdZfpeQ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a66bb0d6c1288f0b8cbd62a118a7eefcdf8a5ec7f417df6a380e8843ec471f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/19p3vh4vsrsSaZwpdZfpeQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19p3vh4vsrsSaZwpdZfpeQ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd4a66bb0d6c1288f0b8cbd62a118a7eefcdf8a5ec7f417df6a380e8843ec471f","isrc":"USQX92204215","name":"Piano Trio No. 3 in C Minor, Op. 1, No. 3: II. Andante cantabile con variazioni","registered_at":"2026-06-18T03:05:57Z","spotify_id":"19p3vh4vsrsSaZwpdZfpeQ","type":"track"}

Piano Trio No. 3 in C Minor, Op. 1, No. 3: III. Menuetto. Quasi allegro
type: MusicRecording
duration: PT3M39S
duration ms: 219280
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
  type: MusicAlbum
  date published: 2022-11-11
isrc code: USQX92204216
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:31:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12b5ec8d045cb7205956f6faffb0ae315b37669aaf53fddb5bdd17064bd54d05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0HcQxjnk70PtXNFfcIvPxX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0HcQxjnk70PtXNFfcIvPxX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x12b5ec8d045cb7205956f6faffb0ae315b37669aaf53fddb5bdd17064bd54d05","isrc":"USQX92204216","name":"Piano Trio No. 3 in C Minor, Op. 1, No. 3: III. Menuetto. Quasi allegro","registered_at":"2026-06-21T05:31:23Z","spotify_id":"0HcQxjnk70PtXNFfcIvPxX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12b5ec8d045cb7205956f6faffb0ae315b37669aaf53fddb5bdd17064bd54d05. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0HcQxjnk70PtXNFfcIvPxX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0HcQxjnk70PtXNFfcIvPxX.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x12b5ec8d045cb7205956f6faffb0ae315b37669aaf53fddb5bdd17064bd54d05","isrc":"USQX92204216","name":"Piano Trio No. 3 in C Minor, Op. 1, No. 3: III. Menuetto. Quasi allegro","registered_at":"2026-06-21T05:31:23Z","spotify_id":"0HcQxjnk70PtXNFfcIvPxX","type":"track"}

Piano Trio No. 3 in C Minor, Op. 1, No. 3: IV. Finale. Prestissimo
type: MusicRecording
duration: PT8M34S
duration ms: 514586
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Beethoven for Three: Symphony No. 6 "Pastorale" and Op. 1, No. 3
  type: MusicAlbum
  date published: 2022-11-11
isrc code: USQX92204217
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:28:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec8faf8fa24d172bf3723773150437204df4d7f70f91df5d74f89ccb044fb2a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0FQTQc3Y20vn3xAzx0gg6z.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FQTQc3Y20vn3xAzx0gg6z
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xec8faf8fa24d172bf3723773150437204df4d7f70f91df5d74f89ccb044fb2a4","isrc":"USQX92204217","name":"Piano Trio No. 3 in C Minor, Op. 1, No. 3: IV. Finale. Prestissimo","registered_at":"2026-06-21T05:28:21Z","spotify_id":"0FQTQc3Y20vn3xAzx0gg6z","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec8faf8fa24d172bf3723773150437204df4d7f70f91df5d74f89ccb044fb2a4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0FQTQc3Y20vn3xAzx0gg6z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FQTQc3Y20vn3xAzx0gg6z.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xec8faf8fa24d172bf3723773150437204df4d7f70f91df5d74f89ccb044fb2a4","isrc":"USQX92204217","name":"Piano Trio No. 3 in C Minor, Op. 1, No. 3: IV. Finale. Prestissimo","registered_at":"2026-06-21T05:28:21Z","spotify_id":"0FQTQc3Y20vn3xAzx0gg6z","type":"track"}

Beethoven for Three: Symphonies Nos. 2 and 5
type: MusicAlbum
date published: 2022-03-04
track: Symphony No. 2 in D Major, Op. 36: I. Adagio molto - Allegro con brio
  type: MusicRecording
  duration: PT12M59S
  duration ms: 779733
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphonies Nos. 2 and 5
    type: MusicAlbum
    date published: 2022-03-04
  isrc code: USQX92104706
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T07:36:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8d8c484f042da5af136106529245b02331f753c6356fde3196837ab0c618f8ea
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956351
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0gOx5eARQcTiVosflwyzcR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gOx5eARQcTiVosflwyzcR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8d8c484f042da5af136106529245b02331f753c6356fde3196837ab0c618f8ea","isrc":"USQX92104706","name":"Symphony No. 2 in D Major, Op. 36: I. Adagio molto - Allegro con brio","registered_at":"2026-06-27T07:36:09Z","spotify_id":"0gOx5eARQcTiVosflwyzcR","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d8c484f042da5af136106529245b02331f753c6356fde3196837ab0c618f8ea. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0gOx5eARQcTiVosflwyzcR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gOx5eARQcTiVosflwyzcR.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x8d8c484f042da5af136106529245b02331f753c6356fde3196837ab0c618f8ea","isrc":"USQX92104706","name":"Symphony No. 2 in D Major, Op. 36: I. Adagio molto - Allegro con brio","registered_at":"2026-06-27T07:36:09Z","spotify_id":"0gOx5eARQcTiVosflwyzcR","type":"track"}
track: Symphony No. 2 in D Major, Op. 36: II. Larghetto quasi andante
  type: MusicRecording
  duration: PT10M47S
  duration ms: 647533
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphonies Nos. 2 and 5
    type: MusicAlbum
    date published: 2022-03-04
  isrc code: USQX92104707
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T00:07:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf518a84b4dc8c95ec4637338867f008a494ebd632bb212f91a8cc58f0ff5a9fe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6ThmnKcboK84MhE6BS9J0T.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ThmnKcboK84MhE6BS9J0T
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf518a84b4dc8c95ec4637338867f008a494ebd632bb212f91a8cc58f0ff5a9fe","isrc":"USQX92104707","name":"Symphony No. 2 in D Major, Op. 36: II. Larghetto quasi andante","registered_at":"2026-06-26T00:07:19Z","spotify_id":"6ThmnKcboK84MhE6BS9J0T","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf518a84b4dc8c95ec4637338867f008a494ebd632bb212f91a8cc58f0ff5a9fe. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ThmnKcboK84MhE6BS9J0T.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ThmnKcboK84MhE6BS9J0T.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xf518a84b4dc8c95ec4637338867f008a494ebd632bb212f91a8cc58f0ff5a9fe","isrc":"USQX92104707","name":"Symphony No. 2 in D Major, Op. 36: II. Larghetto quasi andante","registered_at":"2026-06-26T00:07:19Z","spotify_id":"6ThmnKcboK84MhE6BS9J0T","type":"track"}
track: Symphony No. 2 in D Major, Op. 36: III. Scherzo. Allegro vivo
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214653
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphonies Nos. 2 and 5
    type: MusicAlbum
    date published: 2022-03-04
  isrc code: USQX92104708
track: Symphony No. 2 in D Major, Op. 36: IV. Allegro molto
  type: MusicRecording
  duration: PT6M51S
  duration ms: 411893
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphonies Nos. 2 and 5
    type: MusicAlbum
    date published: 2022-03-04
  isrc code: USQX92104709
track: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
  type: MusicRecording
  duration: PT7M29S
  duration ms: 449693
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphonies Nos. 2 and 5
    type: MusicAlbum
    date published: 2022-03-04
  isrc code: USQX92104711
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T07:36:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a7770e615472d3de5d738b12f9d42f68bf71640bbe08a5683b7897fb94dacd2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956351
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6VayCHgigRyTWcSyAL38NB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VayCHgigRyTWcSyAL38NB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9a7770e615472d3de5d738b12f9d42f68bf71640bbe08a5683b7897fb94dacd2","isrc":"USQX92104711","name":"Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio","registered_at":"2026-06-27T07:36:05Z","spotify_id":"6VayCHgigRyTWcSyAL38NB","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a7770e615472d3de5d738b12f9d42f68bf71640bbe08a5683b7897fb94dacd2. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6VayCHgigRyTWcSyAL38NB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VayCHgigRyTWcSyAL38NB.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x9a7770e615472d3de5d738b12f9d42f68bf71640bbe08a5683b7897fb94dacd2","isrc":"USQX92104711","name":"Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio","registered_at":"2026-06-27T07:36:05Z","spotify_id":"6VayCHgigRyTWcSyAL38NB","type":"track"}
track: Symphony No. 5 in C Minor, Op. 67: II. Andante con moto
  type: MusicRecording
  duration: PT10M11S
  duration ms: 611386
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphonies Nos. 2 and 5
    type: MusicAlbum
    date published: 2022-03-04
  isrc code: USQX92104712
track: Symphony No. 5 in C Minor, Op. 67: III. Scherzo. Allegro
  type: MusicRecording
  duration: PT5M16S
  duration ms: 316066
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Leonidas Kavakos
  by artist: Emanuel Ax
  in album: Beethoven for Three: Symphonies Nos. 2 and 5
  isrc code: USQX92104713
track: Symphony No. 5 in C Minor, Op. 67: IV. Allegro

Leonidas Kavakos
type: MusicGroup

Emanuel Ax
type: MusicGroup

Beethoven for Three: Symphonies Nos. 2 and 5
type: MusicAlbum
date published: 2022-03-04

Symphony No. 5 in C Minor, Op. 67: IV. Allegro
type: MusicRecording
duration: PT11M29S
duration ms: 689773
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Leonidas Kavakos
by artist: Emanuel Ax
in album: Beethoven for Three: Symphonies Nos. 2 and 5
  type: MusicAlbum
  date published: 2022-03-04
isrc code: USQX92104714

Hope Amid Tears - Beethoven: Cello Sonatas
type: MusicAlbum
date published: 2021-06-04
track: Sonata No.1 in F Major, Op. 5 No. 1: I. Adagio sostenuto - Allegro
  type: MusicRecording
  duration: PT18M23S
  duration ms: 1103266
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100798
track: Sonata No.3 in A Major, Op. 69: I. Allegro ma non tanto
  type: MusicRecording
  duration: PT13M31S
  duration ms: 811933
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100804
track: 7 Variations on "Bei Mannern, welche Liebe fuhlen", WoO 46
  type: MusicRecording
  duration: PT9M19S
  duration ms: 559306
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100816
track: Sonata No.1 in F Major, Op. 5 No. 1: II. Rondo: Allegro Vivace
  type: MusicRecording
  duration: PT7M30S
  duration ms: 450786
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100799
track: Sonata No.3 in A Major, Op. 69: II. Scherzo
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329253
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100805
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T07:34:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0d109e1368b055ae8ed1f93f34b47da31f51af105bc0b44fb283f99c89a9873e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3AHi8OPDMr6UM3mR4gnI1P.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AHi8OPDMr6UM3mR4gnI1P
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0d109e1368b055ae8ed1f93f34b47da31f51af105bc0b44fb283f99c89a9873e","isrc":"USQX92100805","name":"Sonata No.3 in A Major, Op. 69: II. Scherzo","registered_at":"2026-06-27T07:34:44Z","spotify_id":"3AHi8OPDMr6UM3mR4gnI1P","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d109e1368b055ae8ed1f93f34b47da31f51af105bc0b44fb283f99c89a9873e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AHi8OPDMr6UM3mR4gnI1P.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AHi8OPDMr6UM3mR4gnI1P.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x0d109e1368b055ae8ed1f93f34b47da31f51af105bc0b44fb283f99c89a9873e","isrc":"USQX92100805","name":"Sonata No.3 in A Major, Op. 69: II. Scherzo","registered_at":"2026-06-27T07:34:44Z","spotify_id":"3AHi8OPDMr6UM3mR4gnI1P","type":"track"}
track: 12 Variations on a Theme from Handel's Judas Maccabaeus, WoO 45
  type: MusicRecording
  duration: PT13M52S
  duration ms: 832000
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100814
track: Sonata No.2 in g minor, Op. 5 No. 2: I. Adagio sostenuto e espressivo - Allegro molto piu tosto presto
  type: MusicRecording
  duration: PT16M35S
  duration ms: 995706
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100801
track: Sonata No.3 in A Major, Op. 69: III. Adagio cantabile - Allegro vivace
  type: MusicRecording
  duration: PT8M55S
  duration ms: 535880
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100806
track: 12 Variations in F major on "Ein Madchen oder Weibchen", Op.66
  type: MusicRecording
  duration: PT10M43S
  duration ms: 643520
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100815
track: Sonata No.2 in g minor, Op. 5 No. 2: II. Rondo: Allegro
  type: MusicRecording
  duration: PT9M37S
  duration ms: 577013
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100802
track: Sonata No.4 in C Major, Op. 102 No.1: I. Andante - Allegro vivace
  type: MusicRecording
  duration: PT8M43S
  duration ms: 523080
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100808
track: Sonata No.4 in C Major, Op. 102 No.1: II. Adagio - Allegro vivace
  type: MusicRecording
  duration: PT8M3S
  duration ms: 483080
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100809
track: Sonata No.5 in D Major, Op. 102 No. 2: I. Allegro con brio
  type: MusicRecording
  duration: PT6M56S
  duration ms: 416320
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: USQX92100811
track: Sonata No.5 in D Major, Op. 102 No. 2: II. Adagio con molto sentimento d'affetto
  type: MusicRecording
  duration: PT9M38S
  duration ms: 578120
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  in album: Hope Amid Tears - Beethoven: Cello Sonatas
  isrc code: USQX92100812
track: Sonata No.5 in D Major, Op. 102 No. 2: III. Allegro

Ludwig van Beethoven
type: MusicGroup

Yo-Yo Ma
type: MusicGroup

Emanuel Ax
type: MusicGroup

Hope Amid Tears - Beethoven: Cello Sonatas
type: MusicAlbum
date published: 2021-06-04

Sonata No.5 in D Major, Op. 102 No. 2: III. Allegro
type: MusicRecording
duration: PT4M47S
duration ms: 287760
explicit: false
by artist: Ludwig van Beethoven
by artist: Yo-Yo Ma
by artist: Emanuel Ax
in album: Hope Amid Tears - Beethoven: Cello Sonatas
  type: MusicAlbum
  date published: 2021-06-04
isrc code: USQX92100813

Brahms: The Piano Trios
type: MusicAlbum
date published: 2017-09-15
track: Piano Trio No. 2 in C Major, Op. 87: Allegro
  type: MusicRecording
  duration: PT9M50S
  duration ms: 590560
  explicit: false
  by artist: Johannes Brahms
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  by artist: Leonidas Kavakos
  in album: Brahms: The Piano Trios
    type: MusicAlbum
    date published: 2017-09-15
  isrc code: USQX91701471
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T08:47:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdfa2d7bbcc54aee224d3ef40ba02a5ee31a05fb4f164591390dd9f88a7dcb95c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 954130
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/954130
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3s3JXAYWhs5rhzKZjEQGis.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3s3JXAYWhs5rhzKZjEQGis
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-17T20:44:38Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdfa2d7bbcc54aee224d3ef40ba02a5ee31a05fb4f164591390dd9f88a7dcb95c","isrc":"USQX91701471","name":"Piano Trio No. 2 in C Major, Op. 87: Allegro","registered_at":"2026-06-17T08:47:43Z","spotify_id":"3s3JXAYWhs5rhzKZjEQGis","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfa2d7bbcc54aee224d3ef40ba02a5ee31a05fb4f164591390dd9f88a7dcb95c. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:44:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3s3JXAYWhs5rhzKZjEQGis.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3s3JXAYWhs5rhzKZjEQGis.
    date published: 2026-06-17T20:44:38Z
    text: {"copyright_id":"0xdfa2d7bbcc54aee224d3ef40ba02a5ee31a05fb4f164591390dd9f88a7dcb95c","isrc":"USQX91701471","name":"Piano Trio No. 2 in C Major, Op. 87: Allegro","registered_at":"2026-06-17T08:47:43Z","spotify_id":"3s3JXAYWhs5rhzKZjEQGis","type":"track"}
track: Piano Trio No. 3 in C Minor, Op. 101: Allegro energico
  type: MusicRecording
  duration: PT7M28S
  duration ms: 448226
  explicit: false
  by artist: Johannes Brahms
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  by artist: Leonidas Kavakos
  in album: Brahms: The Piano Trios
    type: MusicAlbum
    date published: 2017-09-15
  isrc code: USQX91701476
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T08:28:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdb0036211ae06668b981ea12ee4b81292f2104c0332bd97fbadd29218ab6b916
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6hUJEc3Mgi4YsUvBy4WiRU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6hUJEc3Mgi4YsUvBy4WiRU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdb0036211ae06668b981ea12ee4b81292f2104c0332bd97fbadd29218ab6b916","isrc":"USQX91701476","name":"Piano Trio No. 3 in C Minor, Op. 101: Allegro energico","registered_at":"2026-06-20T08:28:53Z","spotify_id":"6hUJEc3Mgi4YsUvBy4WiRU","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb0036211ae06668b981ea12ee4b81292f2104c0332bd97fbadd29218ab6b916. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6hUJEc3Mgi4YsUvBy4WiRU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6hUJEc3Mgi4YsUvBy4WiRU.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xdb0036211ae06668b981ea12ee4b81292f2104c0332bd97fbadd29218ab6b916","isrc":"USQX91701476","name":"Piano Trio No. 3 in C Minor, Op. 101: Allegro energico","registered_at":"2026-06-20T08:28:53Z","spotify_id":"6hUJEc3Mgi4YsUvBy4WiRU","type":"track"}
track: Piano Trio No. 2 in C Major, Op. 87: Andante con moto
  type: MusicRecording
  duration: PT8M3S
  duration ms: 483853
  explicit: false
  by artist: Johannes Brahms
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  by artist: Leonidas Kavakos
  in album: Brahms: The Piano Trios
    type: MusicAlbum
    date published: 2017-09-15
  isrc code: USQX91701472
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:37:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0eaf866cb229fea07ac41258668a9bb1729dff4937a6f70efcd2c806c08fbe90
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1yqQSB3yBGVm0m98WM4vSv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yqQSB3yBGVm0m98WM4vSv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0eaf866cb229fea07ac41258668a9bb1729dff4937a6f70efcd2c806c08fbe90","isrc":"USQX91701472","name":"Piano Trio No. 2 in C Major, Op. 87: Andante con moto","registered_at":"2026-06-21T05:37:48Z","spotify_id":"1yqQSB3yBGVm0m98WM4vSv","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eaf866cb229fea07ac41258668a9bb1729dff4937a6f70efcd2c806c08fbe90. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1yqQSB3yBGVm0m98WM4vSv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yqQSB3yBGVm0m98WM4vSv.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x0eaf866cb229fea07ac41258668a9bb1729dff4937a6f70efcd2c806c08fbe90","isrc":"USQX91701472","name":"Piano Trio No. 2 in C Major, Op. 87: Andante con moto","registered_at":"2026-06-21T05:37:48Z","spotify_id":"1yqQSB3yBGVm0m98WM4vSv","type":"track"}
track: Piano Trio No. 3 in C Minor, Op. 101: Presto non assai
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231826
  explicit: false
  by artist: Johannes Brahms
  by artist: Yo-Yo Ma
  by artist: Emanuel Ax
  by artist: Leonidas Kavakos
  in album: Brahms: The Piano Trios
    type: MusicAlbum
    date published: 2017-09-15
  isrc code: USQX91701477
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T10:04:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x141f5654c7a751af7f2ab83e9b1c53825f5be9425aab66efa1d7f7755c240a1a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1ZarNsxBF6cFDhyN7F5yPZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZarNsxBF6cFDhyN7F5yPZ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x141f5654c7a751af7f2ab83e9b1c53825f5be9425aab66efa1d7f7755c240a1a","isrc":"USQX91701477","name":"Piano Trio No. 3 in C Minor, Op. 101: Presto non assai","registered_at":"2026-06-23T10:04:29Z","spotify_id":"1ZarNsxBF6cFDhyN7F5yPZ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141f5654c7a751af7f2ab83e9b1c53825f5be9425aab66efa1d7f7755c240a1a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ZarNsxBF6cFDhyN7F5yPZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZarNsxBF6cFDhyN7F5yPZ.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x141f5654c7a751af7f2ab83e9b1c53825f5be9425aab66efa1d7f7755c240a1a","isrc":"USQX91701477","name":"Piano Trio No. 3 in C Minor, Op. 101: Presto non assai","registered_at":"2026-06-23T10:04:29Z","spotify_id":"1ZarNsxBF6cFDhyN7F5yPZ","type":"track"}
track: Piano Trio No. 2 in C Major, Op. 87: Scherzo: Presto
track: Piano Trio No. 3 in C Minor, Op. 101: Andante grazioso
track: Piano Trio No. 2 in C Major, Op. 87: Finale: Allegro giocoso
track: Piano Trio No. 3 in C Minor, Op. 101: Allegro molto
track: Piano Trio No. 1 in B Major, Op. 8: Allegro con brio
track: Piano Trio No. 1 in B Major, Op. 8: Scherzo: Allegro molto
track: Piano Trio No. 1 in B Major, Op. 8: Adagio
track: Piano Trio No. 1 in B Major, Op. 8: Finale: Allegro

Piano Trio No. 2 in C Major, Op. 87: Scherzo: Presto
type: MusicRecording
duration: PT4M48S
duration ms: 288106
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Brahms: The Piano Trios
  type: MusicAlbum
  date published: 2017-09-15
isrc code: USQX91701473
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:34:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x315337e4bb30e22b727bf39c2041d044dc2d563b2684f47eca9fc7b424462592
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6lzPceWuk02B6lkwhjw1Ic.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6lzPceWuk02B6lkwhjw1Ic
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x315337e4bb30e22b727bf39c2041d044dc2d563b2684f47eca9fc7b424462592","isrc":"USQX91701473","name":"Piano Trio No. 2 in C Major, Op. 87: Scherzo: Presto","registered_at":"2026-06-21T05:34:22Z","spotify_id":"6lzPceWuk02B6lkwhjw1Ic","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x315337e4bb30e22b727bf39c2041d044dc2d563b2684f47eca9fc7b424462592. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6lzPceWuk02B6lkwhjw1Ic.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6lzPceWuk02B6lkwhjw1Ic.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x315337e4bb30e22b727bf39c2041d044dc2d563b2684f47eca9fc7b424462592","isrc":"USQX91701473","name":"Piano Trio No. 2 in C Major, Op. 87: Scherzo: Presto","registered_at":"2026-06-21T05:34:22Z","spotify_id":"6lzPceWuk02B6lkwhjw1Ic","type":"track"}

Piano Trio No. 3 in C Minor, Op. 101: Andante grazioso
type: MusicRecording
duration: PT4M5S
duration ms: 245613
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Brahms: The Piano Trios
  type: MusicAlbum
  date published: 2017-09-15
isrc code: USQX91701478
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T21:15:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f49aba6aeba7cdef157f1ccb4edde14a6286b9a15d80762d458692cfcdf911b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/08JqZxMgLW6Y8vyGYC6WJC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08JqZxMgLW6Y8vyGYC6WJC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5f49aba6aeba7cdef157f1ccb4edde14a6286b9a15d80762d458692cfcdf911b","isrc":"USQX91701478","name":"Piano Trio No. 3 in C Minor, Op. 101: Andante grazioso","registered_at":"2026-06-08T21:15:51Z","spotify_id":"08JqZxMgLW6Y8vyGYC6WJC","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f49aba6aeba7cdef157f1ccb4edde14a6286b9a15d80762d458692cfcdf911b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08JqZxMgLW6Y8vyGYC6WJC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08JqZxMgLW6Y8vyGYC6WJC.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x5f49aba6aeba7cdef157f1ccb4edde14a6286b9a15d80762d458692cfcdf911b","isrc":"USQX91701478","name":"Piano Trio No. 3 in C Minor, Op. 101: Andante grazioso","registered_at":"2026-06-08T21:15:51Z","spotify_id":"08JqZxMgLW6Y8vyGYC6WJC","type":"track"}

Piano Trio No. 2 in C Major, Op. 87: Finale: Allegro giocoso
type: MusicRecording
duration: PT6M2S
duration ms: 362626
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Brahms: The Piano Trios
  type: MusicAlbum
  date published: 2017-09-15
isrc code: USQX91701474
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:07:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0cb1ddb445bfe722821c890975948a61b61b0e6fb091f03fc9a7cd0d90a690e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5lkM4N4Q3ryyvTrUVcNoUr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lkM4N4Q3ryyvTrUVcNoUr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0cb1ddb445bfe722821c890975948a61b61b0e6fb091f03fc9a7cd0d90a690e4","isrc":"USQX91701474","name":"Piano Trio No. 2 in C Major, Op. 87: Finale: Allegro giocoso","registered_at":"2026-06-23T10:07:07Z","spotify_id":"5lkM4N4Q3ryyvTrUVcNoUr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb1ddb445bfe722821c890975948a61b61b0e6fb091f03fc9a7cd0d90a690e4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5lkM4N4Q3ryyvTrUVcNoUr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lkM4N4Q3ryyvTrUVcNoUr.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x0cb1ddb445bfe722821c890975948a61b61b0e6fb091f03fc9a7cd0d90a690e4","isrc":"USQX91701474","name":"Piano Trio No. 2 in C Major, Op. 87: Finale: Allegro giocoso","registered_at":"2026-06-23T10:07:07Z","spotify_id":"5lkM4N4Q3ryyvTrUVcNoUr","type":"track"}

Piano Trio No. 3 in C Minor, Op. 101: Allegro molto
type: MusicRecording
duration: PT5M38S
duration ms: 338506
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Brahms: The Piano Trios
  type: MusicAlbum
  date published: 2017-09-15
isrc code: USQX91701479
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:06:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8dfe3a78b406a6af4b14dd73a501d40f4fb0c060987c80a4d6d4b14ce0a5375f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Fr5VxNQQaI18RVcgMKHxh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Fr5VxNQQaI18RVcgMKHxh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8dfe3a78b406a6af4b14dd73a501d40f4fb0c060987c80a4d6d4b14ce0a5375f","isrc":"USQX91701479","name":"Piano Trio No. 3 in C Minor, Op. 101: Allegro molto","registered_at":"2026-06-23T10:06:46Z","spotify_id":"5Fr5VxNQQaI18RVcgMKHxh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dfe3a78b406a6af4b14dd73a501d40f4fb0c060987c80a4d6d4b14ce0a5375f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Fr5VxNQQaI18RVcgMKHxh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Fr5VxNQQaI18RVcgMKHxh.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x8dfe3a78b406a6af4b14dd73a501d40f4fb0c060987c80a4d6d4b14ce0a5375f","isrc":"USQX91701479","name":"Piano Trio No. 3 in C Minor, Op. 101: Allegro molto","registered_at":"2026-06-23T10:06:46Z","spotify_id":"5Fr5VxNQQaI18RVcgMKHxh","type":"track"}

Piano Trio No. 1 in B Major, Op. 8: Allegro con brio
type: MusicRecording
duration: PT14M34S
duration ms: 874266
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Brahms: The Piano Trios
  type: MusicAlbum
  date published: 2017-09-15
isrc code: USQX91701466
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T15:40:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cae32142ec2bba5aeb19f12727e93453ea485dcd706af7050b8148b5eb7f277
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0AYjdI0EFZh3vs9NDlvAKM.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0AYjdI0EFZh3vs9NDlvAKM
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8cae32142ec2bba5aeb19f12727e93453ea485dcd706af7050b8148b5eb7f277","isrc":"USQX91701466","name":"Piano Trio No. 1 in B Major, Op. 8: Allegro con brio","registered_at":"2026-06-11T15:40:05Z","spotify_id":"0AYjdI0EFZh3vs9NDlvAKM","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cae32142ec2bba5aeb19f12727e93453ea485dcd706af7050b8148b5eb7f277. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0AYjdI0EFZh3vs9NDlvAKM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0AYjdI0EFZh3vs9NDlvAKM.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8cae32142ec2bba5aeb19f12727e93453ea485dcd706af7050b8148b5eb7f277","isrc":"USQX91701466","name":"Piano Trio No. 1 in B Major, Op. 8: Allegro con brio","registered_at":"2026-06-11T15:40:05Z","spotify_id":"0AYjdI0EFZh3vs9NDlvAKM","type":"track"}

Piano Trio No. 1 in B Major, Op. 8: Scherzo: Allegro molto
type: MusicRecording
duration: PT6M31S
duration ms: 391066
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Brahms: The Piano Trios
  type: MusicAlbum
  date published: 2017-09-15
isrc code: USQX91701467
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:54:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3765bfb1b0f460ac6bcd119ee4f13136afbf8d52c07b833a188ce7d19103b42e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7G0Y1iS00PtZbwvTM9Cs5j.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7G0Y1iS00PtZbwvTM9Cs5j
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3765bfb1b0f460ac6bcd119ee4f13136afbf8d52c07b833a188ce7d19103b42e","isrc":"USQX91701467","name":"Piano Trio No. 1 in B Major, Op. 8: Scherzo: Allegro molto","registered_at":"2026-06-18T17:54:49Z","spotify_id":"7G0Y1iS00PtZbwvTM9Cs5j","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3765bfb1b0f460ac6bcd119ee4f13136afbf8d52c07b833a188ce7d19103b42e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7G0Y1iS00PtZbwvTM9Cs5j.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7G0Y1iS00PtZbwvTM9Cs5j.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x3765bfb1b0f460ac6bcd119ee4f13136afbf8d52c07b833a188ce7d19103b42e","isrc":"USQX91701467","name":"Piano Trio No. 1 in B Major, Op. 8: Scherzo: Allegro molto","registered_at":"2026-06-18T17:54:49Z","spotify_id":"7G0Y1iS00PtZbwvTM9Cs5j","type":"track"}

Piano Trio No. 1 in B Major, Op. 8: Adagio
type: MusicRecording
duration: PT8M30S
duration ms: 510120
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Brahms: The Piano Trios
  type: MusicAlbum
  date published: 2017-09-15
isrc code: USQX91701468
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:37:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf7bbcbf4a3426744639470d7d6fba151b5acff6917171f8b4167a549e59fd20
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4kD9r7yvXPoYO96PFgw9ZQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4kD9r7yvXPoYO96PFgw9ZQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcf7bbcbf4a3426744639470d7d6fba151b5acff6917171f8b4167a549e59fd20","isrc":"USQX91701468","name":"Piano Trio No. 1 in B Major, Op. 8: Adagio","registered_at":"2026-06-19T13:37:55Z","spotify_id":"4kD9r7yvXPoYO96PFgw9ZQ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf7bbcbf4a3426744639470d7d6fba151b5acff6917171f8b4167a549e59fd20. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4kD9r7yvXPoYO96PFgw9ZQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4kD9r7yvXPoYO96PFgw9ZQ.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xcf7bbcbf4a3426744639470d7d6fba151b5acff6917171f8b4167a549e59fd20","isrc":"USQX91701468","name":"Piano Trio No. 1 in B Major, Op. 8: Adagio","registered_at":"2026-06-19T13:37:55Z","spotify_id":"4kD9r7yvXPoYO96PFgw9ZQ","type":"track"}

Piano Trio No. 1 in B Major, Op. 8: Finale: Allegro
type: MusicRecording
duration: PT6M37S
duration ms: 397026
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Leonidas Kavakos
in album: Brahms: The Piano Trios
  type: MusicAlbum
  date published: 2017-09-15
isrc code: USQX91701469
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:32:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0d01a7542085f51e4178972563a69929c33c4cfc8db989da092bb79f863b15e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4ZMqEt9hrfCHFdJDT8aahK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZMqEt9hrfCHFdJDT8aahK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd0d01a7542085f51e4178972563a69929c33c4cfc8db989da092bb79f863b15e","isrc":"USQX91701469","name":"Piano Trio No. 1 in B Major, Op. 8: Finale: Allegro","registered_at":"2026-06-21T18:32:46Z","spotify_id":"4ZMqEt9hrfCHFdJDT8aahK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0d01a7542085f51e4178972563a69929c33c4cfc8db989da092bb79f863b15e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ZMqEt9hrfCHFdJDT8aahK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZMqEt9hrfCHFdJDT8aahK.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xd0d01a7542085f51e4178972563a69929c33c4cfc8db989da092bb79f863b15e","isrc":"USQX91701469","name":"Piano Trio No. 1 in B Major, Op. 8: Finale: Allegro","registered_at":"2026-06-21T18:32:46Z","spotify_id":"4ZMqEt9hrfCHFdJDT8aahK","type":"track"}

The Goat Rodeo Sessions
type: MusicAlbum
date published: 2011-10-24
track: Attaboy
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342653
  explicit: false
  by artist: Stuart Duncan
  by artist: Edgar Meyer
  by artist: Chris Thile
  by artist: Yo-Yo Ma
  in album: The Goat Rodeo Sessions
    type: MusicAlbum
    date published: 2011-10-24
  isrc code: USSM11105053
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:52:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x333f14a93eb3be2d3cc23184a3111a3715438c6ddde1b2c67513dfdc6f893cab
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2Y0tFR4iYR57EnBK4mf34l.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Y0tFR4iYR57EnBK4mf34l
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x333f14a93eb3be2d3cc23184a3111a3715438c6ddde1b2c67513dfdc6f893cab. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Y0tFR4iYR57EnBK4mf34l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Y0tFR4iYR57EnBK4mf34l.
    date published: 2026-06-13T12:47:07Z
track: Quarter Chicken Dark
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287080
  explicit: false
  by artist: Stuart Duncan
  by artist: Edgar Meyer
  by artist: Chris Thile
  by artist: Yo-Yo Ma
  in album: The Goat Rodeo Sessions
    type: MusicAlbum
    date published: 2011-10-24
  isrc code: USSM11105054
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T16:55:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2f1281ae733eccd0c3a1e96a898d60a51eb8dd1bc8bb4b752af3388dd52a00ff
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/70sxgnr3xlX8fTNp8I6P5L.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70sxgnr3xlX8fTNp8I6P5L
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2f1281ae733eccd0c3a1e96a898d60a51eb8dd1bc8bb4b752af3388dd52a00ff","isrc":"USSM11105054","name":"Quarter Chicken Dark","registered_at":"2026-06-06T16:55:40Z","spotify_id":"70sxgnr3xlX8fTNp8I6P5L","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1281ae733eccd0c3a1e96a898d60a51eb8dd1bc8bb4b752af3388dd52a00ff. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70sxgnr3xlX8fTNp8I6P5L.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70sxgnr3xlX8fTNp8I6P5L.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x2f1281ae733eccd0c3a1e96a898d60a51eb8dd1bc8bb4b752af3388dd52a00ff","isrc":"USSM11105054","name":"Quarter Chicken Dark","registered_at":"2026-06-06T16:55:40Z","spotify_id":"70sxgnr3xlX8fTNp8I6P5L","type":"track"}
track: Helping Hand
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272226
  explicit: false
  by artist: James Taylor
  by artist: Yo-Yo Ma
  by artist: Stuart Duncan
  by artist: Edgar Meyer
  by artist: Chris Thile
  in album: The Goat Rodeo Sessions
    type: MusicAlbum
    date published: 2011-10-24
  isrc code: USSM11105055
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:19:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb89f2ce241ef502ffd65548b1b0e09c69ebb797935e8ee25cb2705324c52717a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/20m8R1yoZM43WRASPCElQX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20m8R1yoZM43WRASPCElQX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb89f2ce241ef502ffd65548b1b0e09c69ebb797935e8ee25cb2705324c52717a","isrc":"USSM11105055","name":"Helping Hand","registered_at":"2026-06-06T23:19:35Z","spotify_id":"20m8R1yoZM43WRASPCElQX","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb89f2ce241ef502ffd65548b1b0e09c69ebb797935e8ee25cb2705324c52717a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/20m8R1yoZM43WRASPCElQX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20m8R1yoZM43WRASPCElQX.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xb89f2ce241ef502ffd65548b1b0e09c69ebb797935e8ee25cb2705324c52717a","isrc":"USSM11105055","name":"Helping Hand","registered_at":"2026-06-06T23:19:35Z","spotify_id":"20m8R1yoZM43WRASPCElQX","type":"track"}
track: Where's My Bow?
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329986
  explicit: false
  by artist: Stuart Duncan
  by artist: Edgar Meyer
  by artist: Chris Thile
  by artist: Yo-Yo Ma
  in album: The Goat Rodeo Sessions
    type: MusicAlbum
    date published: 2011-10-24
  isrc code: USSM11105056
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T19:27:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a6ceed5ef9e9bf59e9b3676198442e964e068092aa0fe7fc38c0be5041ca60a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5heBEiJqiEs8PkjyWqYvuY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5heBEiJqiEs8PkjyWqYvuY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9a6ceed5ef9e9bf59e9b3676198442e964e068092aa0fe7fc38c0be5041ca60a","isrc":"USSM11105056","name":"Where's My Bow?","registered_at":"2026-06-07T19:27:10Z","spotify_id":"5heBEiJqiEs8PkjyWqYvuY","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a6ceed5ef9e9bf59e9b3676198442e964e068092aa0fe7fc38c0be5041ca60a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5heBEiJqiEs8PkjyWqYvuY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5heBEiJqiEs8PkjyWqYvuY.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x9a6ceed5ef9e9bf59e9b3676198442e964e068092aa0fe7fc38c0be5041ca60a","isrc":"USSM11105056","name":"Where's My Bow?","registered_at":"2026-06-07T19:27:10Z","spotify_id":"5heBEiJqiEs8PkjyWqYvuY","type":"track"}
track: Here and Heaven
track: Franz and the Eagle
track: Less Is Moi
track: Hill Justice
track: No One but You
track: 13:8
track: Goat Rodeo
track: Parallax - Bonus Track
track: Mostly Six Eight - Bonus Track
track: Gamba Sonata No. 1, Movement 4, BWV 1027 - Live
track: Fiddle Medley - Live
track: All Through The Night - Live

Here and Heaven
type: MusicRecording
duration: PT3M53S
duration ms: 233413
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Aoife O'Donovan
by artist: Yo-Yo Ma
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105057
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T03:29:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27852a0892e825bfb3f0fb0425cd6f926c4b200937495232031ab0ebf51bf21e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2V2eahKD3biCWg3K5IZqbF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2V2eahKD3biCWg3K5IZqbF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x27852a0892e825bfb3f0fb0425cd6f926c4b200937495232031ab0ebf51bf21e","isrc":"USSM11105057","name":"Here and Heaven","registered_at":"2026-06-06T03:29:31Z","spotify_id":"2V2eahKD3biCWg3K5IZqbF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27852a0892e825bfb3f0fb0425cd6f926c4b200937495232031ab0ebf51bf21e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2V2eahKD3biCWg3K5IZqbF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2V2eahKD3biCWg3K5IZqbF.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x27852a0892e825bfb3f0fb0425cd6f926c4b200937495232031ab0ebf51bf21e","isrc":"USSM11105057","name":"Here and Heaven","registered_at":"2026-06-06T03:29:31Z","spotify_id":"2V2eahKD3biCWg3K5IZqbF","type":"track"}

Franz and the Eagle
type: MusicRecording
duration: PT6M53S
duration ms: 413586
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105058
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T02:30:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7031a76b433fb709c3ff07b4f48f342279aeed13ff0834b700da73e2eb5f4bd3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3Do1FcnHEwLaHHVbeqgPnU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Do1FcnHEwLaHHVbeqgPnU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7031a76b433fb709c3ff07b4f48f342279aeed13ff0834b700da73e2eb5f4bd3","isrc":"USSM11105058","name":"Franz and the Eagle","registered_at":"2026-06-08T02:30:07Z","spotify_id":"3Do1FcnHEwLaHHVbeqgPnU","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7031a76b433fb709c3ff07b4f48f342279aeed13ff0834b700da73e2eb5f4bd3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Do1FcnHEwLaHHVbeqgPnU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Do1FcnHEwLaHHVbeqgPnU.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x7031a76b433fb709c3ff07b4f48f342279aeed13ff0834b700da73e2eb5f4bd3","isrc":"USSM11105058","name":"Franz and the Eagle","registered_at":"2026-06-08T02:30:07Z","spotify_id":"3Do1FcnHEwLaHHVbeqgPnU","type":"track"}

Less Is Moi
type: MusicRecording
duration: PT7M27S
duration ms: 447666
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105059
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:29:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf45bb32902bfa215be67f9110ef4b30c7d861dfea2015927668cc7e0563c0414
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0hBEFuRbCZQxaVgbnIeMqU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0hBEFuRbCZQxaVgbnIeMqU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf45bb32902bfa215be67f9110ef4b30c7d861dfea2015927668cc7e0563c0414","isrc":"USSM11105059","name":"Less Is Moi","registered_at":"2026-06-07T19:29:04Z","spotify_id":"0hBEFuRbCZQxaVgbnIeMqU","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45bb32902bfa215be67f9110ef4b30c7d861dfea2015927668cc7e0563c0414. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0hBEFuRbCZQxaVgbnIeMqU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0hBEFuRbCZQxaVgbnIeMqU.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xf45bb32902bfa215be67f9110ef4b30c7d861dfea2015927668cc7e0563c0414","isrc":"USSM11105059","name":"Less Is Moi","registered_at":"2026-06-07T19:29:04Z","spotify_id":"0hBEFuRbCZQxaVgbnIeMqU","type":"track"}

Hill Justice
type: MusicRecording
duration: PT4M29S
duration ms: 269773
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T17:48:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a5044db089dd090cfa87c956cfe3e071813da2a97d89b2ff2b791a8caca292f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6D0HFPLz36B2ekAIb5zCDG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6D0HFPLz36B2ekAIb5zCDG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7a5044db089dd090cfa87c956cfe3e071813da2a97d89b2ff2b791a8caca292f","isrc":"USSM11105060","name":"Hill Justice","registered_at":"2026-06-08T17:48:10Z","spotify_id":"6D0HFPLz36B2ekAIb5zCDG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a5044db089dd090cfa87c956cfe3e071813da2a97d89b2ff2b791a8caca292f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6D0HFPLz36B2ekAIb5zCDG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6D0HFPLz36B2ekAIb5zCDG.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x7a5044db089dd090cfa87c956cfe3e071813da2a97d89b2ff2b791a8caca292f","isrc":"USSM11105060","name":"Hill Justice","registered_at":"2026-06-08T17:48:10Z","spotify_id":"6D0HFPLz36B2ekAIb5zCDG","type":"track"}

No One but You
type: MusicRecording
duration: PT3M54S
duration ms: 234173
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
by artist: Aoife O'Donovan
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:25:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5cf85a9cc5c9373f302ec6e3eab0f58c1a29cf008ecb058225c50afab7b8eefc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2YwK0Y4ojJnUq3md2vrXOk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2YwK0Y4ojJnUq3md2vrXOk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5cf85a9cc5c9373f302ec6e3eab0f58c1a29cf008ecb058225c50afab7b8eefc","isrc":"USSM11105061","name":"No One but You","registered_at":"2026-06-08T19:25:23Z","spotify_id":"2YwK0Y4ojJnUq3md2vrXOk","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cf85a9cc5c9373f302ec6e3eab0f58c1a29cf008ecb058225c50afab7b8eefc. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2YwK0Y4ojJnUq3md2vrXOk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2YwK0Y4ojJnUq3md2vrXOk.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x5cf85a9cc5c9373f302ec6e3eab0f58c1a29cf008ecb058225c50afab7b8eefc","isrc":"USSM11105061","name":"No One but You","registered_at":"2026-06-08T19:25:23Z","spotify_id":"2YwK0Y4ojJnUq3md2vrXOk","type":"track"}

13:8
type: MusicRecording
duration: PT5M54S
duration ms: 354560
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105062
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:42:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x117de50110fad26568885c7ee7cde8bb51d2d9b2dc8921a3bf00881d33202b2c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6XFm17x77JnDvClqxLf2Fr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6XFm17x77JnDvClqxLf2Fr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117de50110fad26568885c7ee7cde8bb51d2d9b2dc8921a3bf00881d33202b2c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6XFm17x77JnDvClqxLf2Fr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6XFm17x77JnDvClqxLf2Fr.
  date published: 2026-06-13T13:32:09Z

Goat Rodeo
type: MusicRecording
duration: PT4M18S
duration ms: 258813
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105063
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:02:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc37b6a5dfe5fa7126d9b807bbc8840d4d3affe9002a5de042d8a751be5dc0a5f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2qDDmbXTicL5bYDi1ecT0j.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qDDmbXTicL5bYDi1ecT0j
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc37b6a5dfe5fa7126d9b807bbc8840d4d3affe9002a5de042d8a751be5dc0a5f","isrc":"USSM11105063","name":"Goat Rodeo","registered_at":"2026-06-09T07:02:27Z","spotify_id":"2qDDmbXTicL5bYDi1ecT0j","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37b6a5dfe5fa7126d9b807bbc8840d4d3affe9002a5de042d8a751be5dc0a5f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qDDmbXTicL5bYDi1ecT0j.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qDDmbXTicL5bYDi1ecT0j.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xc37b6a5dfe5fa7126d9b807bbc8840d4d3affe9002a5de042d8a751be5dc0a5f","isrc":"USSM11105063","name":"Goat Rodeo","registered_at":"2026-06-09T07:02:27Z","spotify_id":"2qDDmbXTicL5bYDi1ecT0j","type":"track"}

Parallax - Bonus Track
type: MusicRecording
duration: PT5M19S
duration ms: 319333
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105064
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:05:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4a3a489a60a7217820302e38bd0f61245788032b6812cd031173054a5061a99
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5mGEguRVS8eoRlhFS03p40.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5mGEguRVS8eoRlhFS03p40
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc4a3a489a60a7217820302e38bd0f61245788032b6812cd031173054a5061a99","isrc":"USSM11105064","name":"Parallax - Bonus Track","registered_at":"2026-06-11T06:05:35Z","spotify_id":"5mGEguRVS8eoRlhFS03p40","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4a3a489a60a7217820302e38bd0f61245788032b6812cd031173054a5061a99. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5mGEguRVS8eoRlhFS03p40.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5mGEguRVS8eoRlhFS03p40.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xc4a3a489a60a7217820302e38bd0f61245788032b6812cd031173054a5061a99","isrc":"USSM11105064","name":"Parallax - Bonus Track","registered_at":"2026-06-11T06:05:35Z","spotify_id":"5mGEguRVS8eoRlhFS03p40","type":"track"}

Mostly Six Eight - Bonus Track
type: MusicRecording
duration: PT4M40S
duration ms: 280600
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11105065
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:02:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x373328df87fb3ae36b9bc1e30e051afd4cfa48907aa548991e13d249cb52c0c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2ozzFf9xaAIglscO4XpWU1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ozzFf9xaAIglscO4XpWU1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x373328df87fb3ae36b9bc1e30e051afd4cfa48907aa548991e13d249cb52c0c9","isrc":"USSM11105065","name":"Mostly Six Eight - Bonus Track","registered_at":"2026-06-11T06:02:37Z","spotify_id":"2ozzFf9xaAIglscO4XpWU1","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373328df87fb3ae36b9bc1e30e051afd4cfa48907aa548991e13d249cb52c0c9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ozzFf9xaAIglscO4XpWU1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ozzFf9xaAIglscO4XpWU1.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x373328df87fb3ae36b9bc1e30e051afd4cfa48907aa548991e13d249cb52c0c9","isrc":"USSM11105065","name":"Mostly Six Eight - Bonus Track","registered_at":"2026-06-11T06:02:37Z","spotify_id":"2ozzFf9xaAIglscO4XpWU1","type":"track"}

Gamba Sonata No. 1, Movement 4, BWV 1027 - Live
type: MusicRecording
duration: PT3M8S
duration ms: 188306
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11107168
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T03:55:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb85b98d93ff61bcf6fa8a3c0e9f4557d5891f20a86cf4128eb5556dee5864727
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954130
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3syy1rCiXhLIIQyRL9pZco.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3syy1rCiXhLIIQyRL9pZco
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T20:29:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb85b98d93ff61bcf6fa8a3c0e9f4557d5891f20a86cf4128eb5556dee5864727","isrc":"USSM11107168","name":"Gamba Sonata No. 1, Movement 4, BWV 1027 - Live","registered_at":"2026-06-17T03:55:39Z","spotify_id":"3syy1rCiXhLIIQyRL9pZco","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb85b98d93ff61bcf6fa8a3c0e9f4557d5891f20a86cf4128eb5556dee5864727. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:29:40Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3syy1rCiXhLIIQyRL9pZco.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3syy1rCiXhLIIQyRL9pZco.
  date published: 2026-06-17T20:29:40Z
  text: {"copyright_id":"0xb85b98d93ff61bcf6fa8a3c0e9f4557d5891f20a86cf4128eb5556dee5864727","isrc":"USSM11107168","name":"Gamba Sonata No. 1, Movement 4, BWV 1027 - Live","registered_at":"2026-06-17T03:55:39Z","spotify_id":"3syy1rCiXhLIIQyRL9pZco","type":"track"}

Fiddle Medley - Live
type: MusicRecording
duration: PT3M20S
duration ms: 200773
explicit: false
by artist: Traditional
by artist: Yo-Yo Ma
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11107169
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:02:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc126d564a9a666a0423c15556b53a0aa08f9d72847980ad13a93dee2f3c8c80e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1RWQlWqsMnxBQhbM32z7Hx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1RWQlWqsMnxBQhbM32z7Hx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc126d564a9a666a0423c15556b53a0aa08f9d72847980ad13a93dee2f3c8c80e","isrc":"USSM11107169","name":"Fiddle Medley - Live","registered_at":"2026-06-11T06:02:15Z","spotify_id":"1RWQlWqsMnxBQhbM32z7Hx","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc126d564a9a666a0423c15556b53a0aa08f9d72847980ad13a93dee2f3c8c80e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1RWQlWqsMnxBQhbM32z7Hx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1RWQlWqsMnxBQhbM32z7Hx.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xc126d564a9a666a0423c15556b53a0aa08f9d72847980ad13a93dee2f3c8c80e","isrc":"USSM11107169","name":"Fiddle Medley - Live","registered_at":"2026-06-11T06:02:15Z","spotify_id":"1RWQlWqsMnxBQhbM32z7Hx","type":"track"}

All Through The Night - Live
type: MusicRecording
duration: PT4M40S
duration ms: 280813
explicit: false
by artist: Traditional
by artist: Yo-Yo Ma
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Aoife O'Donovan
in album: The Goat Rodeo Sessions
  type: MusicAlbum
  date published: 2011-10-24
isrc code: USSM11107170
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:45:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f151b76e8a33591fe39dbc437528833ac76334452c2998b49a4758cfdde7e9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3dAbhWBfhWOePNaFUCRFou.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3dAbhWBfhWOePNaFUCRFou
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3f151b76e8a33591fe39dbc437528833ac76334452c2998b49a4758cfdde7e9a","isrc":"USSM11107170","name":"All Through The Night - Live","registered_at":"2026-06-17T22:45:59Z","spotify_id":"3dAbhWBfhWOePNaFUCRFou","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f151b76e8a33591fe39dbc437528833ac76334452c2998b49a4758cfdde7e9a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3dAbhWBfhWOePNaFUCRFou.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3dAbhWBfhWOePNaFUCRFou.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x3f151b76e8a33591fe39dbc437528833ac76334452c2998b49a4758cfdde7e9a","isrc":"USSM11107170","name":"All Through The Night - Live","registered_at":"2026-06-17T22:45:59Z","spotify_id":"3dAbhWBfhWOePNaFUCRFou","type":"track"}

Notes for the Future
type: MusicAlbum
date published: 2021-09-10
track: Lamentations, "Black/Folk Song Suite": III. Calvary Ostinato
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197362
  explicit: false
  by artist: Yo-Yo Ma
  in album: Notes for the Future
    type: MusicAlbum
    date published: 2021-09-10
  isrc code: USQX92102892
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T17:03:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb3c20fcc20e3819132482ec551262c5e8e31c149f509669b6cf28318e7c0be5b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2Kbqiukm0JLdA7MzLYbEEv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Kbqiukm0JLdA7MzLYbEEv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb3c20fcc20e3819132482ec551262c5e8e31c149f509669b6cf28318e7c0be5b","isrc":"USQX92102892","name":"Lamentations, \"Black/Folk Song Suite\": III. Calvary Ostinato","registered_at":"2026-06-24T17:03:17Z","spotify_id":"2Kbqiukm0JLdA7MzLYbEEv","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c20fcc20e3819132482ec551262c5e8e31c149f509669b6cf28318e7c0be5b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Kbqiukm0JLdA7MzLYbEEv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Kbqiukm0JLdA7MzLYbEEv.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xb3c20fcc20e3819132482ec551262c5e8e31c149f509669b6cf28318e7c0be5b","isrc":"USQX92102892","name":"Lamentations, \"Black/Folk Song Suite\": III. Calvary Ostinato","registered_at":"2026-06-24T17:03:17Z","spotify_id":"2Kbqiukm0JLdA7MzLYbEEv","type":"track"}
track: Honor Song
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287127
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Jeremy Dutcher
  in album: Notes for the Future
    type: MusicAlbum
    date published: 2021-09-10
  isrc code: USQX92102893
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T03:21:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe410b7da07b295f0c236427f307e1ac42d2123b93e441d46369bc94b538f5d2e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2DisO9UwQkJeiqmTz3fLzN.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DisO9UwQkJeiqmTz3fLzN
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe410b7da07b295f0c236427f307e1ac42d2123b93e441d46369bc94b538f5d2e","isrc":"USQX92102893","name":"Honor Song","registered_at":"2026-06-18T03:21:28Z","spotify_id":"2DisO9UwQkJeiqmTz3fLzN","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe410b7da07b295f0c236427f307e1ac42d2123b93e441d46369bc94b538f5d2e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2DisO9UwQkJeiqmTz3fLzN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DisO9UwQkJeiqmTz3fLzN.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xe410b7da07b295f0c236427f307e1ac42d2123b93e441d46369bc94b538f5d2e","isrc":"USQX92102893","name":"Honor Song","registered_at":"2026-06-18T03:21:28Z","spotify_id":"2DisO9UwQkJeiqmTz3fLzN","type":"track"}
track: Doorway
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229481
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Tunde Olaniran
  in album: Notes for the Future
    type: MusicAlbum
    date published: 2021-09-10
  isrc code: USQX92102894
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T10:11:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9eaf729dc3d238f6d2e6ad06441ce7b9055c1459e6051c863cbe249c69085f16
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2uUVGSNMcLsPwAoDUw2diO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2uUVGSNMcLsPwAoDUw2diO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eaf729dc3d238f6d2e6ad06441ce7b9055c1459e6051c863cbe249c69085f16. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2uUVGSNMcLsPwAoDUw2diO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2uUVGSNMcLsPwAoDUw2diO.
    date published: 2026-07-02T03:55:08Z
track: Blewu
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171361
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Angelique Kidjo
  in album: Notes for the Future
    type: MusicAlbum
    date published: 2021-09-10
  isrc code: USQX92102895
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T17:03:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x23cee4859fb8eb4d597273e8ccaeceb5cf149ba38ca34965c4082a52512e5c12
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5KV7qHIhx8nmuOiqvqti0Z.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5KV7qHIhx8nmuOiqvqti0Z
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23cee4859fb8eb4d597273e8ccaeceb5cf149ba38ca34965c4082a52512e5c12. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KV7qHIhx8nmuOiqvqti0Z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5KV7qHIhx8nmuOiqvqti0Z.
    date published: 2026-07-02T05:09:12Z
track: Ha'oud (I Will Return)
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225031
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Mashrou' Leila
  by artist: NARCY
  in album: Notes for the Future
    type: MusicAlbum
    date published: 2021-09-10
  isrc code: USQX92102896
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: El Cant dels Ocells (Song of the Birds)
track: La Sandunga
track: Thank You
track: Te Whakaroha Nui

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-08T21:23:15+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x05b4b8c8cee3e2b99c80f5341b9fca4fa162b1f658f0bbf64dfea13616ffc869

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3hmUUupggkXpcA1ePepoIM.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3hmUUupggkXpcA1ePepoIM

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x05b4b8c8cee3e2b99c80f5341b9fca4fa162b1f658f0bbf64dfea13616ffc869","isrc":"USQX92102896","name":"Ha'oud (I Will Return)","registered_at":"2026-06-08T21:23:15Z","spotify_id":"3hmUUupggkXpcA1ePepoIM","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05b4b8c8cee3e2b99c80f5341b9fca4fa162b1f658f0bbf64dfea13616ffc869. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3hmUUupggkXpcA1ePepoIM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3hmUUupggkXpcA1ePepoIM.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x05b4b8c8cee3e2b99c80f5341b9fca4fa162b1f658f0bbf64dfea13616ffc869","isrc":"USQX92102896","name":"Ha'oud (I Will Return)","registered_at":"2026-06-08T21:23:15Z","spotify_id":"3hmUUupggkXpcA1ePepoIM","type":"track"}

El Cant dels Ocells (Song of the Birds)
type: MusicRecording
duration: PT6M8S
duration ms: 368627
explicit: false
by artist: Yo-Yo Ma
by artist: Andrea Motis
in album: Notes for the Future
  type: MusicAlbum
  date published: 2021-09-10
isrc code: USQX92102897
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:14:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0d2079488b18841cf161ffe82c788bce1825e29e76aeec0f7f401dca4822a2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3Uro88JHvzoR1autJI6egp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Uro88JHvzoR1autJI6egp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa0d2079488b18841cf161ffe82c788bce1825e29e76aeec0f7f401dca4822a2d","isrc":"USQX92102897","name":"El Cant dels Ocells (Song of the Birds)","registered_at":"2026-06-23T10:14:44Z","spotify_id":"3Uro88JHvzoR1autJI6egp","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0d2079488b18841cf161ffe82c788bce1825e29e76aeec0f7f401dca4822a2d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Uro88JHvzoR1autJI6egp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Uro88JHvzoR1autJI6egp.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xa0d2079488b18841cf161ffe82c788bce1825e29e76aeec0f7f401dca4822a2d","isrc":"USQX92102897","name":"El Cant dels Ocells (Song of the Birds)","registered_at":"2026-06-23T10:14:44Z","spotify_id":"3Uro88JHvzoR1autJI6egp","type":"track"}

La Sandunga
type: MusicRecording
duration: PT4M18S
duration ms: 258597
explicit: false
by artist: Yo-Yo Ma
by artist: Lila Downs
in album: Notes for the Future
  type: MusicAlbum
  date published: 2021-09-10
isrc code: USQX92102898
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T17:03:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x21bddfab3c7de09226efdea566b7be42de1e89c6aecfa28c7335b290ea111f88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5sFZ1mcg7djo46ZIV8ea03.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sFZ1mcg7djo46ZIV8ea03
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x21bddfab3c7de09226efdea566b7be42de1e89c6aecfa28c7335b290ea111f88","isrc":"USQX92102898","name":"La Sandunga","registered_at":"2026-06-24T17:03:15Z","spotify_id":"5sFZ1mcg7djo46ZIV8ea03","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21bddfab3c7de09226efdea566b7be42de1e89c6aecfa28c7335b290ea111f88. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5sFZ1mcg7djo46ZIV8ea03.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sFZ1mcg7djo46ZIV8ea03.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x21bddfab3c7de09226efdea566b7be42de1e89c6aecfa28c7335b290ea111f88","isrc":"USQX92102898","name":"La Sandunga","registered_at":"2026-06-24T17:03:15Z","spotify_id":"5sFZ1mcg7djo46ZIV8ea03","type":"track"}

Thank You
type: MusicRecording
duration: PT4M11S
duration ms: 251223
explicit: false
by artist: Yo-Yo Ma
by artist: ABAO
in album: Notes for the Future
  type: MusicAlbum
  date published: 2021-09-10
isrc code: USQX92102899
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:15:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe91db9a285e8532ffd935ce2df8288117e65fbe3b020cfb82c61a99ae39e92eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Sfow1o1CFUYtUy07ppedg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Sfow1o1CFUYtUy07ppedg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe91db9a285e8532ffd935ce2df8288117e65fbe3b020cfb82c61a99ae39e92eb","isrc":"USQX92102899","name":"Thank You","registered_at":"2026-06-23T10:15:49Z","spotify_id":"5Sfow1o1CFUYtUy07ppedg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe91db9a285e8532ffd935ce2df8288117e65fbe3b020cfb82c61a99ae39e92eb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Sfow1o1CFUYtUy07ppedg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Sfow1o1CFUYtUy07ppedg.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe91db9a285e8532ffd935ce2df8288117e65fbe3b020cfb82c61a99ae39e92eb","isrc":"USQX92102899","name":"Thank You","registered_at":"2026-06-23T10:15:49Z","spotify_id":"5Sfow1o1CFUYtUy07ppedg","type":"track"}

Te Whakaroha Nui
type: MusicRecording
duration: PT2M2S
duration ms: 122549
explicit: false
by artist: Yo-Yo Ma
by artist: Marlon Williams
in album: Notes for the Future
  type: MusicAlbum
  date published: 2021-09-10
isrc code: USQX92102900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T06:20:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7557c40f1a1faa0daf6d4d179030031991db49f31c61346c765219eb09fa882
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5WAPJqNMm6LthOOhn5RRwP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WAPJqNMm6LthOOhn5RRwP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb7557c40f1a1faa0daf6d4d179030031991db49f31c61346c765219eb09fa882","isrc":"USQX92102900","name":"Te Whakaroha Nui","registered_at":"2026-06-21T06:20:13Z","spotify_id":"5WAPJqNMm6LthOOhn5RRwP","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7557c40f1a1faa0daf6d4d179030031991db49f31c61346c765219eb09fa882. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WAPJqNMm6LthOOhn5RRwP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WAPJqNMm6LthOOhn5RRwP.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xb7557c40f1a1faa0daf6d4d179030031991db49f31c61346c765219eb09fa882","isrc":"USQX92102900","name":"Te Whakaroha Nui","registered_at":"2026-06-21T06:20:13Z","spotify_id":"5WAPJqNMm6LthOOhn5RRwP","type":"track"}

Songs of Comfort and Hope
type: MusicAlbum
date published: 2020-12-11
track: Amazing Grace, Prelude
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245506
  explicit: false
  by artist: Traditional
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs of Comfort and Hope
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: USQX92004521
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T05:13:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5f6003544aec10f1241b6eaf6a2aa99c79da9093e34d82007f9a16e5e27edde6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5D7FbN4KNfVScC1YpWxKHl.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5D7FbN4KNfVScC1YpWxKHl
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5f6003544aec10f1241b6eaf6a2aa99c79da9093e34d82007f9a16e5e27edde6","isrc":"USQX92004521","name":"Amazing Grace, Prelude","registered_at":"2026-06-19T05:13:09Z","spotify_id":"5D7FbN4KNfVScC1YpWxKHl","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f6003544aec10f1241b6eaf6a2aa99c79da9093e34d82007f9a16e5e27edde6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5D7FbN4KNfVScC1YpWxKHl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5D7FbN4KNfVScC1YpWxKHl.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x5f6003544aec10f1241b6eaf6a2aa99c79da9093e34d82007f9a16e5e27edde6","isrc":"USQX92004521","name":"Amazing Grace, Prelude","registered_at":"2026-06-19T05:13:09Z","spotify_id":"5D7FbN4KNfVScC1YpWxKHl","type":"track"}
track: Ol' Man River
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245173
  explicit: false
  by artist: Jerome Kern
  by artist: . Oscar Hammerstein
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs of Comfort and Hope
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: USQX92004522
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T06:16:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd06872b0327f7ec4f3e15ec93dc782c7a66eccf99e0b6b8f036dd6510debd57b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2Fi0MoMxWmOXCApR6eyrjq.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Fi0MoMxWmOXCApR6eyrjq
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd06872b0327f7ec4f3e15ec93dc782c7a66eccf99e0b6b8f036dd6510debd57b","isrc":"USQX92004522","name":"Ol' Man River","registered_at":"2026-06-11T06:16:51Z","spotify_id":"2Fi0MoMxWmOXCApR6eyrjq","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd06872b0327f7ec4f3e15ec93dc782c7a66eccf99e0b6b8f036dd6510debd57b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Fi0MoMxWmOXCApR6eyrjq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Fi0MoMxWmOXCApR6eyrjq.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xd06872b0327f7ec4f3e15ec93dc782c7a66eccf99e0b6b8f036dd6510debd57b","isrc":"USQX92004522","name":"Ol' Man River","registered_at":"2026-06-11T06:16:51Z","spotify_id":"2Fi0MoMxWmOXCApR6eyrjq","type":"track"}
track: Shenandoah
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322666
  explicit: false
  by artist: Traditional
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs of Comfort and Hope
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: USQX92004523
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T06:13:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x09dac317621e237157244e6db06d46e6203cd4cb8e1907ab491225f910b200a8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5xwPWqfy9bHDpjpce0Njcg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xwPWqfy9bHDpjpce0Njcg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09dac317621e237157244e6db06d46e6203cd4cb8e1907ab491225f910b200a8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xwPWqfy9bHDpjpce0Njcg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xwPWqfy9bHDpjpce0Njcg.
    date published: 2026-06-13T13:32:09Z
track: Goin' Home
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326240
  explicit: false
  by artist: Antonín Dvořák
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs of Comfort and Hope
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: USQX92004524
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T16:48:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x61d26cbad97d367ccc21085c9cdc5e42691f24791517dfeae1091a941eb338c9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3G1h0Dnmt7KTAW4blsGWL2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3G1h0Dnmt7KTAW4blsGWL2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x61d26cbad97d367ccc21085c9cdc5e42691f24791517dfeae1091a941eb338c9","isrc":"USQX92004524","name":"Goin' Home","registered_at":"2026-06-09T16:48:38Z","spotify_id":"3G1h0Dnmt7KTAW4blsGWL2","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61d26cbad97d367ccc21085c9cdc5e42691f24791517dfeae1091a941eb338c9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3G1h0Dnmt7KTAW4blsGWL2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3G1h0Dnmt7KTAW4blsGWL2.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x61d26cbad97d367ccc21085c9cdc5e42691f24791517dfeae1091a941eb338c9","isrc":"USQX92004524","name":"Goin' Home","registered_at":"2026-06-09T16:48:38Z","spotify_id":"3G1h0Dnmt7KTAW4blsGWL2","type":"track"}
track: Jewish Song
track: Zdes' khorosho, Op. 21, No. 7
track: Moscow Nights
track: Over the Rainbow
track: Rain Falling from the Roof
track: Song Without Words, Op. 109
track: Fantasia on Waltzing Matilda
track: Scarborough Fair
track: Solveig's Song
track: Les Chemins de l'Amour
track: Marietta's Lied
track: Thula Baba
track: The Last Rose of Summer
track: Londonderry Air (Danny Boy)
track: Gracias a la Vida
track: We'll Meet Again
track: Amazing Grace, Postlude

Jewish Song
type: MusicRecording
duration: PT2M16S
duration ms: 136373
explicit: false
by artist: Ernest Bloch
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004525
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:59:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xafc69dcd46370af930c25cc85b56733c61b4ad4fa8ef7be749ac47c0527d8532
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/76VFBL3FWur9wi6IUPMZcv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76VFBL3FWur9wi6IUPMZcv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xafc69dcd46370af930c25cc85b56733c61b4ad4fa8ef7be749ac47c0527d8532","isrc":"USQX92004525","name":"Jewish Song","registered_at":"2026-06-18T14:59:20Z","spotify_id":"76VFBL3FWur9wi6IUPMZcv","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafc69dcd46370af930c25cc85b56733c61b4ad4fa8ef7be749ac47c0527d8532. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76VFBL3FWur9wi6IUPMZcv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76VFBL3FWur9wi6IUPMZcv.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xafc69dcd46370af930c25cc85b56733c61b4ad4fa8ef7be749ac47c0527d8532","isrc":"USQX92004525","name":"Jewish Song","registered_at":"2026-06-18T14:59:20Z","spotify_id":"76VFBL3FWur9wi6IUPMZcv","type":"track"}

Zdes' khorosho, Op. 21, No. 7
type: MusicRecording
duration: PT2M9S
duration ms: 129253
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004526
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:32:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8193be5215a51f8ae6d47bb3d3073e2a6f0bc5830d726963403a57f91ba7aea2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6MJ3ExS8IWDwCiqWp3qeJx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MJ3ExS8IWDwCiqWp3qeJx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8193be5215a51f8ae6d47bb3d3073e2a6f0bc5830d726963403a57f91ba7aea2","isrc":"USQX92004526","name":"Zdes' khorosho, Op. 21, No. 7","registered_at":"2026-06-10T16:32:16Z","spotify_id":"6MJ3ExS8IWDwCiqWp3qeJx","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8193be5215a51f8ae6d47bb3d3073e2a6f0bc5830d726963403a57f91ba7aea2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6MJ3ExS8IWDwCiqWp3qeJx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MJ3ExS8IWDwCiqWp3qeJx.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8193be5215a51f8ae6d47bb3d3073e2a6f0bc5830d726963403a57f91ba7aea2","isrc":"USQX92004526","name":"Zdes' khorosho, Op. 21, No. 7","registered_at":"2026-06-10T16:32:16Z","spotify_id":"6MJ3ExS8IWDwCiqWp3qeJx","type":"track"}

Moscow Nights
type: MusicRecording
duration: PT2M56S
duration ms: 176053
explicit: false
by artist: Vasily Solovyov-Sedoi
by artist: Mikhail Matusovsky
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T23:53:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6922d1d04a3a55ed3ec5fb2e242a85d03a6b13a848bcae9d4e9e4030424b2751
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2elXPYoU6UHIxp8XgKgnI9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2elXPYoU6UHIxp8XgKgnI9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6922d1d04a3a55ed3ec5fb2e242a85d03a6b13a848bcae9d4e9e4030424b2751","isrc":"USQX92004527","name":"Moscow Nights","registered_at":"2026-06-20T23:53:13Z","spotify_id":"2elXPYoU6UHIxp8XgKgnI9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6922d1d04a3a55ed3ec5fb2e242a85d03a6b13a848bcae9d4e9e4030424b2751. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2elXPYoU6UHIxp8XgKgnI9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2elXPYoU6UHIxp8XgKgnI9.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6922d1d04a3a55ed3ec5fb2e242a85d03a6b13a848bcae9d4e9e4030424b2751","isrc":"USQX92004527","name":"Moscow Nights","registered_at":"2026-06-20T23:53:13Z","spotify_id":"2elXPYoU6UHIxp8XgKgnI9","type":"track"}

Over the Rainbow
type: MusicRecording
duration: PT3M37S
duration ms: 217746
explicit: false
by artist: Harold Arlen
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004528
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:10:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0dbb65d4760b441089d3785f4403cb56a30a82ef0bcbd87b2cbf4235b383de0a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1QVc9GZbLH7fxK5CoDqpYq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1QVc9GZbLH7fxK5CoDqpYq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0dbb65d4760b441089d3785f4403cb56a30a82ef0bcbd87b2cbf4235b383de0a","isrc":"USQX92004528","name":"Over the Rainbow","registered_at":"2026-06-10T03:10:40Z","spotify_id":"1QVc9GZbLH7fxK5CoDqpYq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dbb65d4760b441089d3785f4403cb56a30a82ef0bcbd87b2cbf4235b383de0a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1QVc9GZbLH7fxK5CoDqpYq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1QVc9GZbLH7fxK5CoDqpYq.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x0dbb65d4760b441089d3785f4403cb56a30a82ef0bcbd87b2cbf4235b383de0a","isrc":"USQX92004528","name":"Over the Rainbow","registered_at":"2026-06-10T03:10:40Z","spotify_id":"1QVc9GZbLH7fxK5CoDqpYq","type":"track"}

Rain Falling from the Roof
type: MusicRecording
duration: PT5M27S
duration ms: 327626
explicit: false
by artist: 吳彤
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004529
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:52:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a7f4e31f5dd163866479e24cbe4aabfd480588b5d122fd5fa79595b29881acc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/28LMQ8DLKPlTCiruOcb4We.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/28LMQ8DLKPlTCiruOcb4We
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0a7f4e31f5dd163866479e24cbe4aabfd480588b5d122fd5fa79595b29881acc","isrc":"USQX92004529","name":"Rain Falling from the Roof","registered_at":"2026-06-17T22:52:29Z","spotify_id":"28LMQ8DLKPlTCiruOcb4We","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7f4e31f5dd163866479e24cbe4aabfd480588b5d122fd5fa79595b29881acc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/28LMQ8DLKPlTCiruOcb4We.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/28LMQ8DLKPlTCiruOcb4We.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x0a7f4e31f5dd163866479e24cbe4aabfd480588b5d122fd5fa79595b29881acc","isrc":"USQX92004529","name":"Rain Falling from the Roof","registered_at":"2026-06-17T22:52:29Z","spotify_id":"28LMQ8DLKPlTCiruOcb4We","type":"track"}

Song Without Words, Op. 109
type: MusicRecording
duration: PT4M14S
duration ms: 254826
explicit: false
by artist: Felix Mendelssohn
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:44:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4934e741913145f8f796f227dd602584a73362b5327823f33e9e96f2f82eadd5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0eCmBL8U5JRy1QqoPxk73x.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0eCmBL8U5JRy1QqoPxk73x
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4934e741913145f8f796f227dd602584a73362b5327823f33e9e96f2f82eadd5","isrc":"USQX92004530","name":"Song Without Words, Op. 109","registered_at":"2026-06-20T04:44:53Z","spotify_id":"0eCmBL8U5JRy1QqoPxk73x","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4934e741913145f8f796f227dd602584a73362b5327823f33e9e96f2f82eadd5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0eCmBL8U5JRy1QqoPxk73x.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0eCmBL8U5JRy1QqoPxk73x.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x4934e741913145f8f796f227dd602584a73362b5327823f33e9e96f2f82eadd5","isrc":"USQX92004530","name":"Song Without Words, Op. 109","registered_at":"2026-06-20T04:44:53Z","spotify_id":"0eCmBL8U5JRy1QqoPxk73x","type":"track"}

Fantasia on Waltzing Matilda
type: MusicRecording
duration: PT4M54S
duration ms: 294106
explicit: false
by artist: Harry Sdraulig
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004531
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T22:18:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f1d58a6ef49580ee06f0c2967fad7317c0d9d5409b35ab69d082a2efee771f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1SVjAiDRz7ZGLSUJdINbIh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1SVjAiDRz7ZGLSUJdINbIh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5f1d58a6ef49580ee06f0c2967fad7317c0d9d5409b35ab69d082a2efee771f6","isrc":"USQX92004531","name":"Fantasia on Waltzing Matilda","registered_at":"2026-06-21T22:18:00Z","spotify_id":"1SVjAiDRz7ZGLSUJdINbIh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1d58a6ef49580ee06f0c2967fad7317c0d9d5409b35ab69d082a2efee771f6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1SVjAiDRz7ZGLSUJdINbIh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1SVjAiDRz7ZGLSUJdINbIh.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x5f1d58a6ef49580ee06f0c2967fad7317c0d9d5409b35ab69d082a2efee771f6","isrc":"USQX92004531","name":"Fantasia on Waltzing Matilda","registered_at":"2026-06-21T22:18:00Z","spotify_id":"1SVjAiDRz7ZGLSUJdINbIh","type":"track"}

Scarborough Fair
type: MusicRecording
duration: PT2M32S
duration ms: 152293
explicit: false
by artist: Traditional
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004532
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T19:20:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9c9e7dcacff62e3aad6175a5c2e16f46121a3005007410cca2b2c923700dcb6e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4fxYvJ7VncBVO2lnJjI5FY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4fxYvJ7VncBVO2lnJjI5FY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9c9e7dcacff62e3aad6175a5c2e16f46121a3005007410cca2b2c923700dcb6e","isrc":"USQX92004532","name":"Scarborough Fair","registered_at":"2026-06-20T19:20:17Z","spotify_id":"4fxYvJ7VncBVO2lnJjI5FY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9e7dcacff62e3aad6175a5c2e16f46121a3005007410cca2b2c923700dcb6e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fxYvJ7VncBVO2lnJjI5FY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4fxYvJ7VncBVO2lnJjI5FY.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x9c9e7dcacff62e3aad6175a5c2e16f46121a3005007410cca2b2c923700dcb6e","isrc":"USQX92004532","name":"Scarborough Fair","registered_at":"2026-06-20T19:20:17Z","spotify_id":"4fxYvJ7VncBVO2lnJjI5FY","type":"track"}

Solveig's Song
type: MusicRecording
duration: PT4M38S
duration ms: 278493
explicit: false
by artist: Edvard Grieg
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004533
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:51:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd637c0434adf33b29d540ccde61775df813eba72e1a2a62040f9dd25b8a71077
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1GOVbhzen8Z0dWLCq7Cw33.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1GOVbhzen8Z0dWLCq7Cw33
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd637c0434adf33b29d540ccde61775df813eba72e1a2a62040f9dd25b8a71077","isrc":"USQX92004533","name":"Solveig's Song","registered_at":"2026-06-17T22:51:55Z","spotify_id":"1GOVbhzen8Z0dWLCq7Cw33","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd637c0434adf33b29d540ccde61775df813eba72e1a2a62040f9dd25b8a71077. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1GOVbhzen8Z0dWLCq7Cw33.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1GOVbhzen8Z0dWLCq7Cw33.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xd637c0434adf33b29d540ccde61775df813eba72e1a2a62040f9dd25b8a71077","isrc":"USQX92004533","name":"Solveig's Song","registered_at":"2026-06-17T22:51:55Z","spotify_id":"1GOVbhzen8Z0dWLCq7Cw33","type":"track"}

Les Chemins de l'Amour
type: MusicRecording
duration: PT3M7S
duration ms: 187893
explicit: false
by artist: Francis Poulenc
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004534
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:56:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2713490a677a426bad0941aeae5909c2fa3e0b661824fca9557dde83dfd3eb71
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0zO9KEPZ2EnZ6B6ZjrqLmg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zO9KEPZ2EnZ6B6ZjrqLmg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2713490a677a426bad0941aeae5909c2fa3e0b661824fca9557dde83dfd3eb71","isrc":"USQX92004534","name":"Les Chemins de l'Amour","registered_at":"2026-06-18T14:56:06Z","spotify_id":"0zO9KEPZ2EnZ6B6ZjrqLmg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2713490a677a426bad0941aeae5909c2fa3e0b661824fca9557dde83dfd3eb71. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0zO9KEPZ2EnZ6B6ZjrqLmg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zO9KEPZ2EnZ6B6ZjrqLmg.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x2713490a677a426bad0941aeae5909c2fa3e0b661824fca9557dde83dfd3eb71","isrc":"USQX92004534","name":"Les Chemins de l'Amour","registered_at":"2026-06-18T14:56:06Z","spotify_id":"0zO9KEPZ2EnZ6B6ZjrqLmg","type":"track"}

Marietta's Lied
type: MusicRecording
duration: PT6M9S
duration ms: 369400
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004535
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:56:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96cfbe94926478bcdaa7a5bcf524d97b52a1a5220d482590ceecabe34c07d879
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5dJEqcfB1F9oTyarWLMiC9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5dJEqcfB1F9oTyarWLMiC9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x96cfbe94926478bcdaa7a5bcf524d97b52a1a5220d482590ceecabe34c07d879","isrc":"USQX92004535","name":"Marietta's Lied","registered_at":"2026-06-18T14:56:06Z","spotify_id":"5dJEqcfB1F9oTyarWLMiC9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96cfbe94926478bcdaa7a5bcf524d97b52a1a5220d482590ceecabe34c07d879. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5dJEqcfB1F9oTyarWLMiC9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5dJEqcfB1F9oTyarWLMiC9.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x96cfbe94926478bcdaa7a5bcf524d97b52a1a5220d482590ceecabe34c07d879","isrc":"USQX92004535","name":"Marietta's Lied","registered_at":"2026-06-18T14:56:06Z","spotify_id":"5dJEqcfB1F9oTyarWLMiC9","type":"track"}

Thula Baba
type: MusicRecording
duration: PT1M58S
duration ms: 118280
explicit: false
by artist: Traditional
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004536
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T02:23:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9befab090f8ab940169379acae8f12b8ccc8601c2abb82a32c8422ecd299c171
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6jza34csRRUeAkx2oCuigF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6jza34csRRUeAkx2oCuigF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9befab090f8ab940169379acae8f12b8ccc8601c2abb82a32c8422ecd299c171","isrc":"USQX92004536","name":"Thula Baba","registered_at":"2026-06-23T02:23:54Z","spotify_id":"6jza34csRRUeAkx2oCuigF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9befab090f8ab940169379acae8f12b8ccc8601c2abb82a32c8422ecd299c171. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6jza34csRRUeAkx2oCuigF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6jza34csRRUeAkx2oCuigF.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x9befab090f8ab940169379acae8f12b8ccc8601c2abb82a32c8422ecd299c171","isrc":"USQX92004536","name":"Thula Baba","registered_at":"2026-06-23T02:23:54Z","spotify_id":"6jza34csRRUeAkx2oCuigF","type":"track"}

The Last Rose of Summer
type: MusicRecording
duration: PT3M46S
duration ms: 226306
explicit: false
by artist: Traditional
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004537
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T23:57:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86223f60859dbbd7c057ea2f3c170309befe84a8b4fa6b73fb55308616c53318
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5sak79iRtL1T8yMyZRJxG5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sak79iRtL1T8yMyZRJxG5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x86223f60859dbbd7c057ea2f3c170309befe84a8b4fa6b73fb55308616c53318","isrc":"USQX92004537","name":"The Last Rose of Summer","registered_at":"2026-06-20T23:57:31Z","spotify_id":"5sak79iRtL1T8yMyZRJxG5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86223f60859dbbd7c057ea2f3c170309befe84a8b4fa6b73fb55308616c53318. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5sak79iRtL1T8yMyZRJxG5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sak79iRtL1T8yMyZRJxG5.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x86223f60859dbbd7c057ea2f3c170309befe84a8b4fa6b73fb55308616c53318","isrc":"USQX92004537","name":"The Last Rose of Summer","registered_at":"2026-06-20T23:57:31Z","spotify_id":"5sak79iRtL1T8yMyZRJxG5","type":"track"}

Londonderry Air (Danny Boy)
type: MusicRecording
duration: PT4M12S
duration ms: 252813
explicit: false
by artist: Traditional
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004538
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:52:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe775432ee12329f613a14daacc8f8c2c56dd8be3ec7c3054b8e699c70f66db85
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/19oXPza4v2uWTVYuRNwZ9K.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19oXPza4v2uWTVYuRNwZ9K
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe775432ee12329f613a14daacc8f8c2c56dd8be3ec7c3054b8e699c70f66db85","isrc":"USQX92004538","name":"Londonderry Air (Danny Boy)","registered_at":"2026-06-17T22:52:03Z","spotify_id":"19oXPza4v2uWTVYuRNwZ9K","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe775432ee12329f613a14daacc8f8c2c56dd8be3ec7c3054b8e699c70f66db85. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/19oXPza4v2uWTVYuRNwZ9K.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19oXPza4v2uWTVYuRNwZ9K.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xe775432ee12329f613a14daacc8f8c2c56dd8be3ec7c3054b8e699c70f66db85","isrc":"USQX92004538","name":"Londonderry Air (Danny Boy)","registered_at":"2026-06-17T22:52:03Z","spotify_id":"19oXPza4v2uWTVYuRNwZ9K","type":"track"}

Gracias a la Vida
type: MusicRecording
duration: PT3M12S
duration ms: 192040
explicit: false
by artist: Violeta Parra
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004539
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:35:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2156f64f497aa255cf9d91e8e42d70f6376355442096fa47df69f176061c373b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7kWsQeJadEDb0sH5UiYoxu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kWsQeJadEDb0sH5UiYoxu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2156f64f497aa255cf9d91e8e42d70f6376355442096fa47df69f176061c373b","isrc":"USQX92004539","name":"Gracias a la Vida","registered_at":"2026-06-20T04:35:27Z","spotify_id":"7kWsQeJadEDb0sH5UiYoxu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2156f64f497aa255cf9d91e8e42d70f6376355442096fa47df69f176061c373b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7kWsQeJadEDb0sH5UiYoxu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kWsQeJadEDb0sH5UiYoxu.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x2156f64f497aa255cf9d91e8e42d70f6376355442096fa47df69f176061c373b","isrc":"USQX92004539","name":"Gracias a la Vida","registered_at":"2026-06-20T04:35:27Z","spotify_id":"7kWsQeJadEDb0sH5UiYoxu","type":"track"}

We'll Meet Again
type: MusicRecording
duration: PT3M4S
duration ms: 184373
explicit: false
by artist: Ross Parker
by artist: Hughie Charles
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T15:19:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x33f4e073c0a6638b2447338eaeda732d5aacf64157a3c94c843871b907d47772
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/20g0aRvPmaa95AM1tUogNK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20g0aRvPmaa95AM1tUogNK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x33f4e073c0a6638b2447338eaeda732d5aacf64157a3c94c843871b907d47772","isrc":"USQX92004540","name":"We'll Meet Again","registered_at":"2026-06-19T15:19:30Z","spotify_id":"20g0aRvPmaa95AM1tUogNK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33f4e073c0a6638b2447338eaeda732d5aacf64157a3c94c843871b907d47772. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/20g0aRvPmaa95AM1tUogNK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20g0aRvPmaa95AM1tUogNK.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x33f4e073c0a6638b2447338eaeda732d5aacf64157a3c94c843871b907d47772","isrc":"USQX92004540","name":"We'll Meet Again","registered_at":"2026-06-19T15:19:30Z","spotify_id":"20g0aRvPmaa95AM1tUogNK","type":"track"}

Amazing Grace, Postlude
type: MusicRecording
duration: PT1M43S
duration ms: 103853
explicit: false
by artist: Traditional
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs of Comfort and Hope
  type: MusicAlbum
  date published: 2020-12-11
isrc code: USQX92004541
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T05:50:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x893c73a098a5d7aa4fb88b3bda6ffcb7e195dbfbbe20504a34cf36f211cd0f13
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1UblMWKLBbhs4kUcfAUmnE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UblMWKLBbhs4kUcfAUmnE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x893c73a098a5d7aa4fb88b3bda6ffcb7e195dbfbbe20504a34cf36f211cd0f13","isrc":"USQX92004541","name":"Amazing Grace, Postlude","registered_at":"2026-06-24T05:50:13Z","spotify_id":"1UblMWKLBbhs4kUcfAUmnE","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x893c73a098a5d7aa4fb88b3bda6ffcb7e195dbfbbe20504a34cf36f211cd0f13. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1UblMWKLBbhs4kUcfAUmnE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UblMWKLBbhs4kUcfAUmnE.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x893c73a098a5d7aa4fb88b3bda6ffcb7e195dbfbbe20504a34cf36f211cd0f13","isrc":"USQX92004541","name":"Amazing Grace, Postlude","registered_at":"2026-06-24T05:50:13Z","spotify_id":"1UblMWKLBbhs4kUcfAUmnE","type":"track"}

Not Our First Goat Rodeo
type: MusicAlbum
date published: 2020-06-19
track: Your Coffee Is a Disaster
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280813
  explicit: false
  by artist: Stuart Duncan
  by artist: Edgar Meyer
  by artist: Chris Thile
  by artist: Yo-Yo Ma
  in album: Not Our First Goat Rodeo
    type: MusicAlbum
    date published: 2020-06-19
  isrc code: USQX92000291
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T16:26:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x82494eabe701622f08ff0bff1945e008bae418036b8ca435975ccc5621ec720f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2vivvACpIcdBBM2tTDypuv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2vivvACpIcdBBM2tTDypuv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x82494eabe701622f08ff0bff1945e008bae418036b8ca435975ccc5621ec720f","isrc":"USQX92000291","name":"Your Coffee Is a Disaster","registered_at":"2026-06-10T16:26:20Z","spotify_id":"2vivvACpIcdBBM2tTDypuv","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82494eabe701622f08ff0bff1945e008bae418036b8ca435975ccc5621ec720f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2vivvACpIcdBBM2tTDypuv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2vivvACpIcdBBM2tTDypuv.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x82494eabe701622f08ff0bff1945e008bae418036b8ca435975ccc5621ec720f","isrc":"USQX92000291","name":"Your Coffee Is a Disaster","registered_at":"2026-06-10T16:26:20Z","spotify_id":"2vivvACpIcdBBM2tTDypuv","type":"track"}
track: Waltz Whitman
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224760
  explicit: false
  by artist: Stuart Duncan
  by artist: Edgar Meyer
  by artist: Chris Thile
  by artist: Yo-Yo Ma
  in album: Not Our First Goat Rodeo
    type: MusicAlbum
    date published: 2020-06-19
  isrc code: USQX92000292
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T06:51:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbdfb5ed53d18e2f65bb4eab22c51929893fbf65d185011fdc324e5ed2279cedc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/13kMIuZIkKSPFshmPl0nQS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/13kMIuZIkKSPFshmPl0nQS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbdfb5ed53d18e2f65bb4eab22c51929893fbf65d185011fdc324e5ed2279cedc","isrc":"USQX92000292","name":"Waltz Whitman","registered_at":"2026-06-07T06:51:50Z","spotify_id":"13kMIuZIkKSPFshmPl0nQS","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdfb5ed53d18e2f65bb4eab22c51929893fbf65d185011fdc324e5ed2279cedc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/13kMIuZIkKSPFshmPl0nQS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/13kMIuZIkKSPFshmPl0nQS.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xbdfb5ed53d18e2f65bb4eab22c51929893fbf65d185011fdc324e5ed2279cedc","isrc":"USQX92000292","name":"Waltz Whitman","registered_at":"2026-06-07T06:51:50Z","spotify_id":"13kMIuZIkKSPFshmPl0nQS","type":"track"}
track: The Trappings
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219826
  explicit: false
  by artist: Stuart Duncan
  by artist: Edgar Meyer
  by artist: Chris Thile
  by artist: Aoife O'Donovan
  by artist: Yo-Yo Ma
  in album: Not Our First Goat Rodeo
    type: MusicAlbum
    date published: 2020-06-19
  isrc code: USQX92000293
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T02:46:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1ddb6325130fa39c73ac7c49d8d5e40dbdb96ed2e9e4e7175935d3afa7097d72
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0gzzJTHTrLcPl6dUwROF7Z.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gzzJTHTrLcPl6dUwROF7Z
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1ddb6325130fa39c73ac7c49d8d5e40dbdb96ed2e9e4e7175935d3afa7097d72","isrc":"USQX92000293","name":"The Trappings","registered_at":"2026-06-10T02:46:04Z","spotify_id":"0gzzJTHTrLcPl6dUwROF7Z","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ddb6325130fa39c73ac7c49d8d5e40dbdb96ed2e9e4e7175935d3afa7097d72. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0gzzJTHTrLcPl6dUwROF7Z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gzzJTHTrLcPl6dUwROF7Z.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x1ddb6325130fa39c73ac7c49d8d5e40dbdb96ed2e9e4e7175935d3afa7097d72","isrc":"USQX92000293","name":"The Trappings","registered_at":"2026-06-10T02:46:04Z","spotify_id":"0gzzJTHTrLcPl6dUwROF7Z","type":"track"}
track: Every Note a Pearl
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277800
  explicit: false
  by artist: Stuart Duncan
  by artist: Edgar Meyer
  by artist: Chris Thile
  by artist: Aoife O'Donovan
  by artist: Yo-Yo Ma
  in album: Not Our First Goat Rodeo
    type: MusicAlbum
    date published: 2020-06-19
  isrc code: USQX92000294
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T09:31:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5675460ce2f8483579f29acb735ab75c7f093ae418cc70d0850e4faec814074b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3Qt6V21RZVmEhXulzrUeII.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Qt6V21RZVmEhXulzrUeII
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5675460ce2f8483579f29acb735ab75c7f093ae418cc70d0850e4faec814074b","isrc":"USQX92000294","name":"Every Note a Pearl","registered_at":"2026-06-19T09:31:42Z","spotify_id":"3Qt6V21RZVmEhXulzrUeII","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
track: Not For Lack of Trying
track: Voila!
track: Scarcely Cricket
track: We Were Animals
track: Nebbia
track: 757 ml

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5675460ce2f8483579f29acb735ab75c7f093ae418cc70d0850e4faec814074b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Qt6V21RZVmEhXulzrUeII.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Qt6V21RZVmEhXulzrUeII.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x5675460ce2f8483579f29acb735ab75c7f093ae418cc70d0850e4faec814074b","isrc":"USQX92000294","name":"Every Note a Pearl","registered_at":"2026-06-19T09:31:42Z","spotify_id":"3Qt6V21RZVmEhXulzrUeII","type":"track"}

Not For Lack of Trying
type: MusicRecording
duration: PT5M9S
duration ms: 309226
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: Not Our First Goat Rodeo
  type: MusicAlbum
  date published: 2020-06-19
isrc code: USQX92000295
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T19:26:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15edc635437d582c8cda2b6fe266478d06abf04f2e2389d9cab38ab28991bb9c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0dpjuJLetnheYPSzLiQR62.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0dpjuJLetnheYPSzLiQR62
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x15edc635437d582c8cda2b6fe266478d06abf04f2e2389d9cab38ab28991bb9c","isrc":"USQX92000295","name":"Not For Lack of Trying","registered_at":"2026-06-20T19:26:24Z","spotify_id":"0dpjuJLetnheYPSzLiQR62","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15edc635437d582c8cda2b6fe266478d06abf04f2e2389d9cab38ab28991bb9c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0dpjuJLetnheYPSzLiQR62.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0dpjuJLetnheYPSzLiQR62.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x15edc635437d582c8cda2b6fe266478d06abf04f2e2389d9cab38ab28991bb9c","isrc":"USQX92000295","name":"Not For Lack of Trying","registered_at":"2026-06-20T19:26:24Z","spotify_id":"0dpjuJLetnheYPSzLiQR62","type":"track"}

Voila!
type: MusicRecording
duration: PT3M11S
duration ms: 191840
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: Not Our First Goat Rodeo
  type: MusicAlbum
  date published: 2020-06-19
isrc code: USQX92000297
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:46:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x861d7987e9c2db8b76e7c86fc1cd481512b99b42d35223087472af8fd58153a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6IWumNs0oyQfa8mLd5rjcn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6IWumNs0oyQfa8mLd5rjcn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x861d7987e9c2db8b76e7c86fc1cd481512b99b42d35223087472af8fd58153a2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6IWumNs0oyQfa8mLd5rjcn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6IWumNs0oyQfa8mLd5rjcn.
  date published: 2026-07-02T03:30:09Z

Scarcely Cricket
type: MusicRecording
duration: PT4M46S
duration ms: 286960
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: Not Our First Goat Rodeo
  type: MusicAlbum
  date published: 2020-06-19
isrc code: USQX92000296
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:31:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e92ce95f53ce7dc66130dffc4f1d947396b9a83240b18bf9043c27a1ed4c34f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5YIBxD23XvPlyqZYPXPp4O.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5YIBxD23XvPlyqZYPXPp4O
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5e92ce95f53ce7dc66130dffc4f1d947396b9a83240b18bf9043c27a1ed4c34f","isrc":"USQX92000296","name":"Scarcely Cricket","registered_at":"2026-06-19T09:31:32Z","spotify_id":"5YIBxD23XvPlyqZYPXPp4O","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e92ce95f53ce7dc66130dffc4f1d947396b9a83240b18bf9043c27a1ed4c34f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5YIBxD23XvPlyqZYPXPp4O.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5YIBxD23XvPlyqZYPXPp4O.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x5e92ce95f53ce7dc66130dffc4f1d947396b9a83240b18bf9043c27a1ed4c34f","isrc":"USQX92000296","name":"Scarcely Cricket","registered_at":"2026-06-19T09:31:32Z","spotify_id":"5YIBxD23XvPlyqZYPXPp4O","type":"track"}

We Were Animals
type: MusicRecording
duration: PT5M22S
duration ms: 322333
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Aoife O'Donovan
by artist: Yo-Yo Ma
in album: Not Our First Goat Rodeo
  type: MusicAlbum
  date published: 2020-06-19
isrc code: USQX92000298
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:31:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9fa9e0798f8ab0680022c8050e9ba489976efe91ef3d9f0a7125a8b63e7a281b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3WweD6UVaSm0QPzyUbxdrF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WweD6UVaSm0QPzyUbxdrF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9fa9e0798f8ab0680022c8050e9ba489976efe91ef3d9f0a7125a8b63e7a281b","isrc":"USQX92000298","name":"We Were Animals","registered_at":"2026-06-19T09:31:28Z","spotify_id":"3WweD6UVaSm0QPzyUbxdrF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa9e0798f8ab0680022c8050e9ba489976efe91ef3d9f0a7125a8b63e7a281b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3WweD6UVaSm0QPzyUbxdrF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WweD6UVaSm0QPzyUbxdrF.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x9fa9e0798f8ab0680022c8050e9ba489976efe91ef3d9f0a7125a8b63e7a281b","isrc":"USQX92000298","name":"We Were Animals","registered_at":"2026-06-19T09:31:28Z","spotify_id":"3WweD6UVaSm0QPzyUbxdrF","type":"track"}

Nebbia
type: MusicRecording
duration: PT4M31S
duration ms: 271493
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: Not Our First Goat Rodeo
  type: MusicAlbum
  date published: 2020-06-19
isrc code: USQX92000299
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:31:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac12fe2a56696d232118b4b8f68cdda34172d796b22305da3649f5007166e793
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4mSVXJBXZQwmzLwfI9uG9X.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4mSVXJBXZQwmzLwfI9uG9X
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac12fe2a56696d232118b4b8f68cdda34172d796b22305da3649f5007166e793. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4mSVXJBXZQwmzLwfI9uG9X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4mSVXJBXZQwmzLwfI9uG9X.
  date published: 2026-07-02T03:55:08Z

757 ml
type: MusicRecording
duration: PT5M8S
duration ms: 308866
explicit: false
by artist: Stuart Duncan
by artist: Edgar Meyer
by artist: Chris Thile
by artist: Yo-Yo Ma
in album: Not Our First Goat Rodeo
  type: MusicAlbum
  date published: 2020-06-19
isrc code: USQX92000300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T19:21:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaeba944820e83aad0ee8591c2eb342f8a565360ae051a42813398ab53f864a49
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6MFlhZhdHvAJXFFf4MguHu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MFlhZhdHvAJXFFf4MguHu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaeba944820e83aad0ee8591c2eb342f8a565360ae051a42813398ab53f864a49","isrc":"USQX92000300","name":"757 ml","registered_at":"2026-06-20T19:21:07Z","spotify_id":"6MFlhZhdHvAJXFFf4MguHu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeba944820e83aad0ee8591c2eb342f8a565360ae051a42813398ab53f864a49. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6MFlhZhdHvAJXFFf4MguHu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MFlhZhdHvAJXFFf4MguHu.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xaeba944820e83aad0ee8591c2eb342f8a565360ae051a42813398ab53f864a49","isrc":"USQX92000300","name":"757 ml","registered_at":"2026-06-20T19:21:07Z","spotify_id":"6MFlhZhdHvAJXFFf4MguHu","type":"track"}

Beethoven: Triple Concerto & Symphony No. 7 (Live)
type: MusicAlbum
date published: 2020-04-03
track: Triple Concerto in C Major, Op. 56: I. Allegro - Live at Philharmonie, Berlin / 2019
  type: MusicRecording
  duration: PT17M56S
  duration ms: 1076893
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Anne-Sophie Mutter
  by artist: Yo-Yo Ma
  by artist: Daniel Barenboim
  by artist: West-Eastern Divan Orchestra
  in album: Beethoven: Triple Concerto & Symphony No. 7 (Live)
    type: MusicAlbum
    date published: 2020-04-03
  isrc code: DEN961903601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T14:23:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5b825dfde9a018e2dc1055c4acb42a6e6119ce933aabd6b11597b5183a8ef42f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2kwKWQS0LiZX5TBYb7oO8R.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2kwKWQS0LiZX5TBYb7oO8R
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5b825dfde9a018e2dc1055c4acb42a6e6119ce933aabd6b11597b5183a8ef42f","isrc":"DEN961903601","name":"Triple Concerto in C Major, Op. 56: I. Allegro - Live at Philharmonie, Berlin / 2019","registered_at":"2026-06-11T14:23:11Z","spotify_id":"2kwKWQS0LiZX5TBYb7oO8R","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b825dfde9a018e2dc1055c4acb42a6e6119ce933aabd6b11597b5183a8ef42f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2kwKWQS0LiZX5TBYb7oO8R.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2kwKWQS0LiZX5TBYb7oO8R.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x5b825dfde9a018e2dc1055c4acb42a6e6119ce933aabd6b11597b5183a8ef42f","isrc":"DEN961903601","name":"Triple Concerto in C Major, Op. 56: I. Allegro - Live at Philharmonie, Berlin / 2019","registered_at":"2026-06-11T14:23:11Z","spotify_id":"2kwKWQS0LiZX5TBYb7oO8R","type":"track"}
track: Triple Concerto in C Major, Op. 56: II. Largo - attacca - Live at Philharmonie, Berlin / 2019
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313906
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Anne-Sophie Mutter
  by artist: Yo-Yo Ma
  by artist: Daniel Barenboim
  by artist: West-Eastern Divan Orchestra
  in album: Beethoven: Triple Concerto & Symphony No. 7 (Live)
    type: MusicAlbum
    date published: 2020-04-03
  isrc code: DEN961903602
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T14:31:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01b09ae6905842dd94736baf4b6eb1d13fc24d154399a53f735402242308a6c6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1pdZDJs1LlNS1phALQ1mNo.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pdZDJs1LlNS1phALQ1mNo
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x01b09ae6905842dd94736baf4b6eb1d13fc24d154399a53f735402242308a6c6","isrc":"DEN961903602","name":"Triple Concerto in C Major, Op. 56: II. Largo - attacca - Live at Philharmonie, Berlin / 2019","registered_at":"2026-06-07T14:31:51Z","spotify_id":"1pdZDJs1LlNS1phALQ1mNo","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b09ae6905842dd94736baf4b6eb1d13fc24d154399a53f735402242308a6c6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pdZDJs1LlNS1phALQ1mNo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pdZDJs1LlNS1phALQ1mNo.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x01b09ae6905842dd94736baf4b6eb1d13fc24d154399a53f735402242308a6c6","isrc":"DEN961903602","name":"Triple Concerto in C Major, Op. 56: II. Largo - attacca - Live at Philharmonie, Berlin / 2019","registered_at":"2026-06-07T14:31:51Z","spotify_id":"1pdZDJs1LlNS1phALQ1mNo","type":"track"}
track: Triple Concerto in C Major, Op. 56: III. Rondo alla Polacca - Live at Philharmonie, Berlin / 2019
  type: MusicRecording
  duration: PT12M39S
  duration ms: 759920
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Anne-Sophie Mutter
  by artist: Yo-Yo Ma
  by artist: Daniel Barenboim
  by artist: West-Eastern Divan Orchestra
  in album: Beethoven: Triple Concerto & Symphony No. 7 (Live)
    type: MusicAlbum
    date published: 2020-04-03
  isrc code: DEN961903603
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:22:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x16d4688a3ed2f111b39324066576c69396162ddee44e02968b02aa3e2d86db47
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3V296c27sJ9L6OwD7GOI1D.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3V296c27sJ9L6OwD7GOI1D
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x16d4688a3ed2f111b39324066576c69396162ddee44e02968b02aa3e2d86db47","isrc":"DEN961903603","name":"Triple Concerto in C Major, Op. 56: III. Rondo alla Polacca - Live at Philharmonie, Berlin / 2019","registered_at":"2026-06-07T08:22:16Z","spotify_id":"3V296c27sJ9L6OwD7GOI1D","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16d4688a3ed2f111b39324066576c69396162ddee44e02968b02aa3e2d86db47. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3V296c27sJ9L6OwD7GOI1D.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3V296c27sJ9L6OwD7GOI1D.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x16d4688a3ed2f111b39324066576c69396162ddee44e02968b02aa3e2d86db47","isrc":"DEN961903603","name":"Triple Concerto in C Major, Op. 56: III. Rondo alla Polacca - Live at Philharmonie, Berlin / 2019","registered_at":"2026-06-07T08:22:16Z","spotify_id":"3V296c27sJ9L6OwD7GOI1D","type":"track"}
track: Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace - Live at CCK, Buenos Aires / 2019
  type: MusicRecording
  duration: PT12M39S
  duration ms: 759093
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Daniel Barenboim
  by artist: West-Eastern Divan Orchestra
  in album: Beethoven: Triple Concerto & Symphony No. 7 (Live)
    type: MusicAlbum
    date published: 2020-04-03
  isrc code: DEN961903611
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T09:46:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd30e03d900f50cf862bf3b2a6ebdac6719987cec9bfd7e8cb2a1c6d0e00df55e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2N09rGLQaZmXhgMPWCO73r.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2N09rGLQaZmXhgMPWCO73r
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd30e03d900f50cf862bf3b2a6ebdac6719987cec9bfd7e8cb2a1c6d0e00df55e","isrc":"DEN961903611","name":"Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace - Live at CCK, Buenos Aires / 2019","registered_at":"2026-06-21T09:46:46Z","spotify_id":"2N09rGLQaZmXhgMPWCO73r","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
track: Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at CCK, Buenos Aires / 2019
track: Symphony No. 7 in A Major, Op. 92: III. Presto - Assai meno presto - Live at CCK, Buenos Aires / 2019
track: Symphony No. 7 in A Major, Op. 92: IV. Allegro con brio - Live at CCK, Buenos Aires / 2019

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd30e03d900f50cf862bf3b2a6ebdac6719987cec9bfd7e8cb2a1c6d0e00df55e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2N09rGLQaZmXhgMPWCO73r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2N09rGLQaZmXhgMPWCO73r.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0xd30e03d900f50cf862bf3b2a6ebdac6719987cec9bfd7e8cb2a1c6d0e00df55e","isrc":"DEN961903611","name":"Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace - Live at CCK, Buenos Aires / 2019","registered_at":"2026-06-21T09:46:46Z","spotify_id":"2N09rGLQaZmXhgMPWCO73r","type":"track"}

Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at CCK, Buenos Aires / 2019
type: MusicRecording
duration: PT9M28S
duration ms: 568386
explicit: false
by artist: Ludwig van Beethoven
by artist: Daniel Barenboim
by artist: West-Eastern Divan Orchestra
in album: Beethoven: Triple Concerto & Symphony No. 7 (Live)
  type: MusicAlbum
  date published: 2020-04-03
isrc code: DEN961903612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T06:37:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00903c83d2015103df44acf5beb6cbb0ee1e8e1831564a229ab15c528e6577dc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1EXJ6nWrH4zjIGds54nDzO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1EXJ6nWrH4zjIGds54nDzO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x00903c83d2015103df44acf5beb6cbb0ee1e8e1831564a229ab15c528e6577dc","isrc":"DEN961903612","name":"Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at CCK, Buenos Aires / 2019","registered_at":"2026-06-21T06:37:47Z","spotify_id":"1EXJ6nWrH4zjIGds54nDzO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00903c83d2015103df44acf5beb6cbb0ee1e8e1831564a229ab15c528e6577dc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1EXJ6nWrH4zjIGds54nDzO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1EXJ6nWrH4zjIGds54nDzO.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x00903c83d2015103df44acf5beb6cbb0ee1e8e1831564a229ab15c528e6577dc","isrc":"DEN961903612","name":"Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at CCK, Buenos Aires / 2019","registered_at":"2026-06-21T06:37:47Z","spotify_id":"1EXJ6nWrH4zjIGds54nDzO","type":"track"}

Symphony No. 7 in A Major, Op. 92: III. Presto - Assai meno presto - Live at CCK, Buenos Aires / 2019
type: MusicRecording
duration: PT8M51S
duration ms: 531453
explicit: false
by artist: Ludwig van Beethoven
by artist: Daniel Barenboim
by artist: West-Eastern Divan Orchestra
in album: Beethoven: Triple Concerto & Symphony No. 7 (Live)
  type: MusicAlbum
  date published: 2020-04-03
isrc code: DEN961903613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T08:29:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x972d8789bfd017300cf8ee8f709e91f9858336e1269805c1fcc806d816a4e4a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3QgYpjONE4XNJFv8VMuf7F.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3QgYpjONE4XNJFv8VMuf7F
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x972d8789bfd017300cf8ee8f709e91f9858336e1269805c1fcc806d816a4e4a6","isrc":"DEN961903613","name":"Symphony No. 7 in A Major, Op. 92: III. Presto - Assai meno presto - Live at CCK, Buenos Aires / 2019","registered_at":"2026-06-25T08:29:30Z","spotify_id":"3QgYpjONE4XNJFv8VMuf7F","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x972d8789bfd017300cf8ee8f709e91f9858336e1269805c1fcc806d816a4e4a6. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3QgYpjONE4XNJFv8VMuf7F.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3QgYpjONE4XNJFv8VMuf7F.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x972d8789bfd017300cf8ee8f709e91f9858336e1269805c1fcc806d816a4e4a6","isrc":"DEN961903613","name":"Symphony No. 7 in A Major, Op. 92: III. Presto - Assai meno presto - Live at CCK, Buenos Aires / 2019","registered_at":"2026-06-25T08:29:30Z","spotify_id":"3QgYpjONE4XNJFv8VMuf7F","type":"track"}

Symphony No. 7 in A Major, Op. 92: IV. Allegro con brio - Live at CCK, Buenos Aires / 2019
type: MusicRecording
duration: PT7M2S
duration ms: 422386
explicit: false
by artist: Ludwig van Beethoven
by artist: Daniel Barenboim
by artist: West-Eastern Divan Orchestra
in album: Beethoven: Triple Concerto & Symphony No. 7 (Live)
  type: MusicAlbum
  date published: 2020-04-03
isrc code: DEN961903614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T17:22:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd62a91544d69fee2b544a7a3288c00282ae5b708a5f89cb783c8a79a0a1f692
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4xyZuJP2kLhZMynLcNirrt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4xyZuJP2kLhZMynLcNirrt
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfd62a91544d69fee2b544a7a3288c00282ae5b708a5f89cb783c8a79a0a1f692","isrc":"DEN961903614","name":"Symphony No. 7 in A Major, Op. 92: IV. Allegro con brio - Live at CCK, Buenos Aires / 2019","registered_at":"2026-06-24T17:22:01Z","spotify_id":"4xyZuJP2kLhZMynLcNirrt","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd62a91544d69fee2b544a7a3288c00282ae5b708a5f89cb783c8a79a0a1f692. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4xyZuJP2kLhZMynLcNirrt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4xyZuJP2kLhZMynLcNirrt.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xfd62a91544d69fee2b544a7a3288c00282ae5b708a5f89cb783c8a79a0a1f692","isrc":"DEN961903614","name":"Symphony No. 7 in A Major, Op. 92: IV. Allegro con brio - Live at CCK, Buenos Aires / 2019","registered_at":"2026-06-24T17:22:01Z","spotify_id":"4xyZuJP2kLhZMynLcNirrt","type":"track"}

Salonen Cello Concerto
type: MusicAlbum
date published: 2019-03-08
track: Salonen Cello Concerto: I.
  type: MusicRecording
  duration: PT13M25S
  duration ms: 805573
  explicit: false
  by artist: Esa-Pekka Salonen
  by artist: Yo-Yo Ma
  in album: Salonen Cello Concerto
    type: MusicAlbum
    date published: 2019-03-08
  isrc code: USQX91803640
track: Salonen Cello Concerto: II.
  type: MusicRecording
  duration: PT8M43S
  duration ms: 523493
  explicit: false
  by artist: Esa-Pekka Salonen
  by artist: Yo-Yo Ma
  in album: Salonen Cello Concerto
    type: MusicAlbum
    date published: 2019-03-08
  isrc code: USQX91803641
track: Salonen Cello Concerto: III.
  type: MusicRecording
  duration: PT12M56S
  duration ms: 776213
  explicit: false
  by artist: Esa-Pekka Salonen
  by artist: Yo-Yo Ma
  in album: Salonen Cello Concerto
    type: MusicAlbum
    date published: 2019-03-08
  isrc code: USQX91803642

Six Evolutions - Bach: Cello Suites
type: MusicAlbum
date published: 2018-08-17
track: Unaccompanied Cello Suite No. 1 in G major, BWV 1007: I. Prélude
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150973
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  in album: Six Evolutions - Bach: Cello Suites
    type: MusicAlbum
    date published: 2018-08-17
  isrc code: USQX91801089
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T18:43:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x89e5dcd964250dd7199e1b59f849e321448bf00b7b3a4609846da2132a75b904
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5mRrklQD0rvuN6sV10HfPn.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5mRrklQD0rvuN6sV10HfPn
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x89e5dcd964250dd7199e1b59f849e321448bf00b7b3a4609846da2132a75b904","isrc":"USQX91801089","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: I. Prélude","registered_at":"2026-06-01T18:43:27Z","spotify_id":"5mRrklQD0rvuN6sV10HfPn","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e5dcd964250dd7199e1b59f849e321448bf00b7b3a4609846da2132a75b904. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5mRrklQD0rvuN6sV10HfPn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5mRrklQD0rvuN6sV10HfPn.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x89e5dcd964250dd7199e1b59f849e321448bf00b7b3a4609846da2132a75b904","isrc":"USQX91801089","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: I. Prélude","registered_at":"2026-06-01T18:43:27Z","spotify_id":"5mRrklQD0rvuN6sV10HfPn","type":"track"}
track: Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: I. Prélude
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292600
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  in album: Six Evolutions - Bach: Cello Suites
    type: MusicAlbum
    date published: 2018-08-17
  isrc code: USQX91801110
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T01:25:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcb2df49c8f06bb971c34d880ef9b01e7142d559a314b3ccf15857d9f099a4e52
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0iggh8ydo9C32ipi43QXbZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0iggh8ydo9C32ipi43QXbZ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcb2df49c8f06bb971c34d880ef9b01e7142d559a314b3ccf15857d9f099a4e52","isrc":"USQX91801110","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: I. Prélude","registered_at":"2026-06-08T01:25:36Z","spotify_id":"0iggh8ydo9C32ipi43QXbZ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2df49c8f06bb971c34d880ef9b01e7142d559a314b3ccf15857d9f099a4e52. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0iggh8ydo9C32ipi43QXbZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0iggh8ydo9C32ipi43QXbZ.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xcb2df49c8f06bb971c34d880ef9b01e7142d559a314b3ccf15857d9f099a4e52","isrc":"USQX91801110","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: I. Prélude","registered_at":"2026-06-08T01:25:36Z","spotify_id":"0iggh8ydo9C32ipi43QXbZ","type":"track"}
track: Unaccompanied Cello Suite No. 1 in G major, BWV 1007: II. Allemande
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255706
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  in album: Six Evolutions - Bach: Cello Suites
    type: MusicAlbum
    date published: 2018-08-17
  isrc code: USQX91801090
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T08:36:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x23241f29fbd0a8639fbbbda2852beac7caacb5aef8e3a3d172a46d39a5b8232b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6vqZIV4FnVvbSPHiYAgqrW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vqZIV4FnVvbSPHiYAgqrW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x23241f29fbd0a8639fbbbda2852beac7caacb5aef8e3a3d172a46d39a5b8232b","isrc":"USQX91801090","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: II. Allemande","registered_at":"2026-06-06T08:36:10Z","spotify_id":"6vqZIV4FnVvbSPHiYAgqrW","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23241f29fbd0a8639fbbbda2852beac7caacb5aef8e3a3d172a46d39a5b8232b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vqZIV4FnVvbSPHiYAgqrW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vqZIV4FnVvbSPHiYAgqrW.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x23241f29fbd0a8639fbbbda2852beac7caacb5aef8e3a3d172a46d39a5b8232b","isrc":"USQX91801090","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: II. Allemande","registered_at":"2026-06-06T08:36:10Z","spotify_id":"6vqZIV4FnVvbSPHiYAgqrW","type":"track"}
track: Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: II. Allemande
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263813
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  in album: Six Evolutions - Bach: Cello Suites
    type: MusicAlbum
    date published: 2018-08-17
  isrc code: USQX91801111
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T06:08:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe5fa9d34ec4d5a2a16b4d5e3bac6d055cd9cb40f08debf8db73631b52223d1b4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7HpE338LsMFnwwlONdJWy8.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7HpE338LsMFnwwlONdJWy8
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe5fa9d34ec4d5a2a16b4d5e3bac6d055cd9cb40f08debf8db73631b52223d1b4","isrc":"USQX91801111","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: II. Allemande","registered_at":"2026-06-08T06:08:47Z","spotify_id":"7HpE338LsMFnwwlONdJWy8","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5fa9d34ec4d5a2a16b4d5e3bac6d055cd9cb40f08debf8db73631b52223d1b4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7HpE338LsMFnwwlONdJWy8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7HpE338LsMFnwwlONdJWy8.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xe5fa9d34ec4d5a2a16b4d5e3bac6d055cd9cb40f08debf8db73631b52223d1b4","isrc":"USQX91801111","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: II. Allemande","registered_at":"2026-06-08T06:08:47Z","spotify_id":"7HpE338LsMFnwwlONdJWy8","type":"track"}
track: Unaccompanied Cello Suite No. 1 in G major, BWV 1007: III. Courante
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154920
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  in album: Six Evolutions - Bach: Cello Suites
  isrc code: USQX91801091
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: III. Courante
track: Unaccompanied Cello Suite No. 1 in G major, BWV 1007: IV. Sarabande
track: Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: IV. Sarabande
track: Unaccompanied Cello Suite No. 1 in G major, BWV 1007: V. Menuets I & II
track: Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: V. Bourrées I & II
track: Unaccompanied Cello Suite No. 1 in G major, BWV 1007: VI. Gigue
track: Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: VI. Gigue
track: Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: I. Prélude
track: Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: I. Prélude
track: Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: II. Allemande
track: Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: II. Allemande
track: Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: III. Courante
track: Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: III. Courante
track: Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: IV. Sarabande
track: Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: IV. Sarabande
track: Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: V. Menuets I & II
track: Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: V. Gavottes I & II
track: Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: VI. Gigue
track: Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: VI. Gigue
track: Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: I. Prélude
track: Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: I. Prélude
track: Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: II. Allemande
track: Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: II. Allemande
track: Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: III. Courante
track: Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: III. Courante
track: Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: IV. Sarabande
track: Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: IV. Sarabande
track: Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: V. Bourrées I & II
track: Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: V. Gavottes I & II
track: Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: VI. Gigue
track: Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: VI. Gigue

Johann Sebastian Bach
type: MusicGroup

Yo-Yo Ma
type: MusicGroup

Six Evolutions - Bach: Cello Suites
type: MusicAlbum
date published: 2018-08-17

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-06T19:22:37+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xeaa4468bb59efe7425c7f2b28d8932e2ab1df63f6ca25b12a4297365669b5e95

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2yhxvZQ1Fl6AbZeyS9I5mc.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2yhxvZQ1Fl6AbZeyS9I5mc

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xeaa4468bb59efe7425c7f2b28d8932e2ab1df63f6ca25b12a4297365669b5e95","isrc":"USQX91801091","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: III. Courante","registered_at":"2026-06-06T19:22:37Z","spotify_id":"2yhxvZQ1Fl6AbZeyS9I5mc","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa4468bb59efe7425c7f2b28d8932e2ab1df63f6ca25b12a4297365669b5e95. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2yhxvZQ1Fl6AbZeyS9I5mc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2yhxvZQ1Fl6AbZeyS9I5mc.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0xeaa4468bb59efe7425c7f2b28d8932e2ab1df63f6ca25b12a4297365669b5e95","isrc":"USQX91801091","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: III. Courante","registered_at":"2026-06-06T19:22:37Z","spotify_id":"2yhxvZQ1Fl6AbZeyS9I5mc","type":"track"}

Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: III. Courante
type: MusicRecording
duration: PT3M51S
duration ms: 231933
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:45:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b0471bb5abfaa195b42752676f562a76feefaf8af6367ea516a329638f29f2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4X7eVrAH1Ih6nC4hBeWnTg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4X7eVrAH1Ih6nC4hBeWnTg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b0471bb5abfaa195b42752676f562a76feefaf8af6367ea516a329638f29f2f","isrc":"USQX91801112","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: III. Courante","registered_at":"2026-06-08T14:45:31Z","spotify_id":"4X7eVrAH1Ih6nC4hBeWnTg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0471bb5abfaa195b42752676f562a76feefaf8af6367ea516a329638f29f2f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4X7eVrAH1Ih6nC4hBeWnTg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4X7eVrAH1Ih6nC4hBeWnTg.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x9b0471bb5abfaa195b42752676f562a76feefaf8af6367ea516a329638f29f2f","isrc":"USQX91801112","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: III. Courante","registered_at":"2026-06-08T14:45:31Z","spotify_id":"4X7eVrAH1Ih6nC4hBeWnTg","type":"track"}

Unaccompanied Cello Suite No. 1 in G major, BWV 1007: IV. Sarabande
type: MusicRecording
duration: PT2M30S
duration ms: 150373
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:57:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddb4986a98375d353ad2d671f5fd17bac4f463da4c78b7d4a43cb6c33ef928c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2wSo5WfMpeqtrBqFz0OI5g.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wSo5WfMpeqtrBqFz0OI5g
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xddb4986a98375d353ad2d671f5fd17bac4f463da4c78b7d4a43cb6c33ef928c9","isrc":"USQX91801092","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: IV. Sarabande","registered_at":"2026-06-05T13:57:33Z","spotify_id":"2wSo5WfMpeqtrBqFz0OI5g","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddb4986a98375d353ad2d671f5fd17bac4f463da4c78b7d4a43cb6c33ef928c9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wSo5WfMpeqtrBqFz0OI5g.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wSo5WfMpeqtrBqFz0OI5g.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xddb4986a98375d353ad2d671f5fd17bac4f463da4c78b7d4a43cb6c33ef928c9","isrc":"USQX91801092","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: IV. Sarabande","registered_at":"2026-06-05T13:57:33Z","spotify_id":"2wSo5WfMpeqtrBqFz0OI5g","type":"track"}

Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: IV. Sarabande
type: MusicRecording
duration: PT4M8S
duration ms: 248146
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T06:03:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf8cb201826b3b5351efb38e00c035aa91da9f14f21c797fcb7a547d85539404b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4Gb7QMlNFmq00JsoRYcNfl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Gb7QMlNFmq00JsoRYcNfl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf8cb201826b3b5351efb38e00c035aa91da9f14f21c797fcb7a547d85539404b","isrc":"USQX91801113","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: IV. Sarabande","registered_at":"2026-06-08T06:03:16Z","spotify_id":"4Gb7QMlNFmq00JsoRYcNfl","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8cb201826b3b5351efb38e00c035aa91da9f14f21c797fcb7a547d85539404b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Gb7QMlNFmq00JsoRYcNfl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Gb7QMlNFmq00JsoRYcNfl.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xf8cb201826b3b5351efb38e00c035aa91da9f14f21c797fcb7a547d85539404b","isrc":"USQX91801113","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: IV. Sarabande","registered_at":"2026-06-08T06:03:16Z","spotify_id":"4Gb7QMlNFmq00JsoRYcNfl","type":"track"}

Unaccompanied Cello Suite No. 1 in G major, BWV 1007: V. Menuets I & II
type: MusicRecording
duration: PT3M27S
duration ms: 207800
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801093
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T10:00:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6733971c6ceca397a61989f999ee6837bf26a40d2b91e6f423665e94b70628e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/52ef2T9KALMGFdLt3RdeUn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52ef2T9KALMGFdLt3RdeUn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6733971c6ceca397a61989f999ee6837bf26a40d2b91e6f423665e94b70628e1","isrc":"USQX91801093","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: V. Menuets I & II","registered_at":"2026-06-05T10:00:19Z","spotify_id":"52ef2T9KALMGFdLt3RdeUn","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6733971c6ceca397a61989f999ee6837bf26a40d2b91e6f423665e94b70628e1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/52ef2T9KALMGFdLt3RdeUn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52ef2T9KALMGFdLt3RdeUn.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x6733971c6ceca397a61989f999ee6837bf26a40d2b91e6f423665e94b70628e1","isrc":"USQX91801093","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: V. Menuets I & II","registered_at":"2026-06-05T10:00:19Z","spotify_id":"52ef2T9KALMGFdLt3RdeUn","type":"track"}

Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: V. Bourrées I & II
type: MusicRecording
duration: PT4M56S
duration ms: 296906
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:54:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ddb019da6b4b7f8cd1beb355690fcf8319a0a5dfbc793100bd0da9b455d9823
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3eOngKiYIgmNzoegICdswB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eOngKiYIgmNzoegICdswB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4ddb019da6b4b7f8cd1beb355690fcf8319a0a5dfbc793100bd0da9b455d9823","isrc":"USQX91801114","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: V. Bourrées I & II","registered_at":"2026-06-08T14:54:14Z","spotify_id":"3eOngKiYIgmNzoegICdswB","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ddb019da6b4b7f8cd1beb355690fcf8319a0a5dfbc793100bd0da9b455d9823. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3eOngKiYIgmNzoegICdswB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eOngKiYIgmNzoegICdswB.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4ddb019da6b4b7f8cd1beb355690fcf8319a0a5dfbc793100bd0da9b455d9823","isrc":"USQX91801114","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: V. Bourrées I & II","registered_at":"2026-06-08T14:54:14Z","spotify_id":"3eOngKiYIgmNzoegICdswB","type":"track"}

Unaccompanied Cello Suite No. 1 in G major, BWV 1007: VI. Gigue
type: MusicRecording
duration: PT1M54S
duration ms: 114533
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:41:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2af93512eab50e402f71b43a0fcd3a51ab835e74d2b0c738684621928692e198
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3Oe81n7kGuSX6bTGkj20p9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Oe81n7kGuSX6bTGkj20p9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2af93512eab50e402f71b43a0fcd3a51ab835e74d2b0c738684621928692e198","isrc":"USQX91801094","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: VI. Gigue","registered_at":"2026-06-07T03:41:16Z","spotify_id":"3Oe81n7kGuSX6bTGkj20p9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af93512eab50e402f71b43a0fcd3a51ab835e74d2b0c738684621928692e198. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Oe81n7kGuSX6bTGkj20p9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Oe81n7kGuSX6bTGkj20p9.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x2af93512eab50e402f71b43a0fcd3a51ab835e74d2b0c738684621928692e198","isrc":"USQX91801094","name":"Unaccompanied Cello Suite No. 1 in G major, BWV 1007: VI. Gigue","registered_at":"2026-06-07T03:41:16Z","spotify_id":"3Oe81n7kGuSX6bTGkj20p9","type":"track"}

Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: VI. Gigue
type: MusicRecording
duration: PT2M57S
duration ms: 177853
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:00:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb24cf0becc7e07e8f406b8345c05e1bd94906da6960d07e2dc1a7a8427bcd804
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/62M6uj5sQNSCP829d91RRY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62M6uj5sQNSCP829d91RRY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb24cf0becc7e07e8f406b8345c05e1bd94906da6960d07e2dc1a7a8427bcd804","isrc":"USQX91801115","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: VI. Gigue","registered_at":"2026-06-08T18:00:25Z","spotify_id":"62M6uj5sQNSCP829d91RRY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb24cf0becc7e07e8f406b8345c05e1bd94906da6960d07e2dc1a7a8427bcd804. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62M6uj5sQNSCP829d91RRY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62M6uj5sQNSCP829d91RRY.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xb24cf0becc7e07e8f406b8345c05e1bd94906da6960d07e2dc1a7a8427bcd804","isrc":"USQX91801115","name":"Unaccompanied Cello Suite No. 4 in E-Flat Major, BWV 1010: VI. Gigue","registered_at":"2026-06-08T18:00:25Z","spotify_id":"62M6uj5sQNSCP829d91RRY","type":"track"}

Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: I. Prélude
type: MusicRecording
duration: PT4M12S
duration ms: 252613
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801096
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T13:08:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67c29976b5f5424f8148d7ddbfaa4e40e952eadb76b7e817884bd63348fe081e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2vO5wNNXjXU28OWp5gyHEO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2vO5wNNXjXU28OWp5gyHEO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x67c29976b5f5424f8148d7ddbfaa4e40e952eadb76b7e817884bd63348fe081e","isrc":"USQX91801096","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: I. Prélude","registered_at":"2026-06-06T13:08:36Z","spotify_id":"2vO5wNNXjXU28OWp5gyHEO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c29976b5f5424f8148d7ddbfaa4e40e952eadb76b7e817884bd63348fe081e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2vO5wNNXjXU28OWp5gyHEO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2vO5wNNXjXU28OWp5gyHEO.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x67c29976b5f5424f8148d7ddbfaa4e40e952eadb76b7e817884bd63348fe081e","isrc":"USQX91801096","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: I. Prélude","registered_at":"2026-06-06T13:08:36Z","spotify_id":"2vO5wNNXjXU28OWp5gyHEO","type":"track"}

Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: I. Prélude
type: MusicRecording
duration: PT6M37S
duration ms: 397586
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801117
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T23:14:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf752f601a02db55dfd6c919b726dc5222a690ef3ba8457c0ca7448fce01b9a66
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1XtU1gIfzPj9swH4BCHkNv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1XtU1gIfzPj9swH4BCHkNv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf752f601a02db55dfd6c919b726dc5222a690ef3ba8457c0ca7448fce01b9a66","isrc":"USQX91801117","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: I. Prélude","registered_at":"2026-06-08T23:14:02Z","spotify_id":"1XtU1gIfzPj9swH4BCHkNv","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf752f601a02db55dfd6c919b726dc5222a690ef3ba8457c0ca7448fce01b9a66. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1XtU1gIfzPj9swH4BCHkNv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1XtU1gIfzPj9swH4BCHkNv.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xf752f601a02db55dfd6c919b726dc5222a690ef3ba8457c0ca7448fce01b9a66","isrc":"USQX91801117","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: I. Prélude","registered_at":"2026-06-08T23:14:02Z","spotify_id":"1XtU1gIfzPj9swH4BCHkNv","type":"track"}

Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: II. Allemande
type: MusicRecording
duration: PT3M27S
duration ms: 207880
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801097
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T05:55:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46820507b819ec6944087ad0a5c4187e796e7f4422a984ed8c110974fdd12962
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/23fg7yRDGjaN033PiierPs.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/23fg7yRDGjaN033PiierPs
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x46820507b819ec6944087ad0a5c4187e796e7f4422a984ed8c110974fdd12962","isrc":"USQX91801097","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: II. Allemande","registered_at":"2026-06-07T05:55:04Z","spotify_id":"23fg7yRDGjaN033PiierPs","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46820507b819ec6944087ad0a5c4187e796e7f4422a984ed8c110974fdd12962. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/23fg7yRDGjaN033PiierPs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/23fg7yRDGjaN033PiierPs.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x46820507b819ec6944087ad0a5c4187e796e7f4422a984ed8c110974fdd12962","isrc":"USQX91801097","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: II. Allemande","registered_at":"2026-06-07T05:55:04Z","spotify_id":"23fg7yRDGjaN033PiierPs","type":"track"}

Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: II. Allemande
type: MusicRecording
duration: PT5M46S
duration ms: 346906
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801118
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T23:25:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x369e98dd6b0e0a5eb05aef93e80655c72db6726b245d3c0debb3304ea909e850
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5xRhBo8z8flk35kiiLr24X.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xRhBo8z8flk35kiiLr24X
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x369e98dd6b0e0a5eb05aef93e80655c72db6726b245d3c0debb3304ea909e850","isrc":"USQX91801118","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: II. Allemande","registered_at":"2026-06-08T23:25:27Z","spotify_id":"5xRhBo8z8flk35kiiLr24X","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x369e98dd6b0e0a5eb05aef93e80655c72db6726b245d3c0debb3304ea909e850. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xRhBo8z8flk35kiiLr24X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xRhBo8z8flk35kiiLr24X.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x369e98dd6b0e0a5eb05aef93e80655c72db6726b245d3c0debb3304ea909e850","isrc":"USQX91801118","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: II. Allemande","registered_at":"2026-06-08T23:25:27Z","spotify_id":"5xRhBo8z8flk35kiiLr24X","type":"track"}

Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: III. Courante
type: MusicRecording
duration: PT1M48S
duration ms: 108413
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801098
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T06:27:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95609339022945f802c3a59406f46ea6ee863639e8b6528d4b390032d707d523
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1xvvuNKdndTwtS6EH4AxFZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1xvvuNKdndTwtS6EH4AxFZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x95609339022945f802c3a59406f46ea6ee863639e8b6528d4b390032d707d523","isrc":"USQX91801098","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: III. Courante","registered_at":"2026-06-06T06:27:20Z","spotify_id":"1xvvuNKdndTwtS6EH4AxFZ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95609339022945f802c3a59406f46ea6ee863639e8b6528d4b390032d707d523. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1xvvuNKdndTwtS6EH4AxFZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1xvvuNKdndTwtS6EH4AxFZ.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x95609339022945f802c3a59406f46ea6ee863639e8b6528d4b390032d707d523","isrc":"USQX91801098","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: III. Courante","registered_at":"2026-06-06T06:27:20Z","spotify_id":"1xvvuNKdndTwtS6EH4AxFZ","type":"track"}

Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: III. Courante
type: MusicRecording
duration: PT2M8S
duration ms: 128280
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801119
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T11:17:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ccd38b5198e40383a35afa44f9422959cbce30a7085f1b71d08ca6544e088f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6UuVuosmndeF17iz99wSJ2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UuVuosmndeF17iz99wSJ2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4ccd38b5198e40383a35afa44f9422959cbce30a7085f1b71d08ca6544e088f0","isrc":"USQX91801119","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: III. Courante","registered_at":"2026-06-09T11:17:43Z","spotify_id":"6UuVuosmndeF17iz99wSJ2","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ccd38b5198e40383a35afa44f9422959cbce30a7085f1b71d08ca6544e088f0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UuVuosmndeF17iz99wSJ2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UuVuosmndeF17iz99wSJ2.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x4ccd38b5198e40383a35afa44f9422959cbce30a7085f1b71d08ca6544e088f0","isrc":"USQX91801119","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: III. Courante","registered_at":"2026-06-09T11:17:43Z","spotify_id":"6UuVuosmndeF17iz99wSJ2","type":"track"}

Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: IV. Sarabande
type: MusicRecording
duration: PT4M7S
duration ms: 247186
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T15:41:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x476a91e261b3d8216bd95dbaa038904d045818e6ffd97ce25fad96381c737a54
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/25CWppwwIuw9TkFbHvpT8u.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/25CWppwwIuw9TkFbHvpT8u
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x476a91e261b3d8216bd95dbaa038904d045818e6ffd97ce25fad96381c737a54","isrc":"USQX91801099","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: IV. Sarabande","registered_at":"2026-06-07T15:41:49Z","spotify_id":"25CWppwwIuw9TkFbHvpT8u","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x476a91e261b3d8216bd95dbaa038904d045818e6ffd97ce25fad96381c737a54. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/25CWppwwIuw9TkFbHvpT8u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/25CWppwwIuw9TkFbHvpT8u.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x476a91e261b3d8216bd95dbaa038904d045818e6ffd97ce25fad96381c737a54","isrc":"USQX91801099","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: IV. Sarabande","registered_at":"2026-06-07T15:41:49Z","spotify_id":"25CWppwwIuw9TkFbHvpT8u","type":"track"}

Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: IV. Sarabande
type: MusicRecording
duration: PT3M10S
duration ms: 190066
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T11:10:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ff6da314e9719723c6e5c60f8e6e66961d971817cfee6dbe6654dde22d07901
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2DnGwcsJH97gPrrgHEFzhn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DnGwcsJH97gPrrgHEFzhn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9ff6da314e9719723c6e5c60f8e6e66961d971817cfee6dbe6654dde22d07901","isrc":"USQX91801120","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: IV. Sarabande","registered_at":"2026-06-09T11:10:06Z","spotify_id":"2DnGwcsJH97gPrrgHEFzhn","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ff6da314e9719723c6e5c60f8e6e66961d971817cfee6dbe6654dde22d07901. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2DnGwcsJH97gPrrgHEFzhn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DnGwcsJH97gPrrgHEFzhn.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x9ff6da314e9719723c6e5c60f8e6e66961d971817cfee6dbe6654dde22d07901","isrc":"USQX91801120","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: IV. Sarabande","registered_at":"2026-06-09T11:10:06Z","spotify_id":"2DnGwcsJH97gPrrgHEFzhn","type":"track"}

Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: V. Menuets I & II
type: MusicRecording
duration: PT3M1S
duration ms: 181800
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T15:40:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1fad452fa7192b2d68f330ce6cbe08bcc1640710751affac2dea37d92bc52a2b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3GWjgMk7yLcLBQnudEETEi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GWjgMk7yLcLBQnudEETEi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1fad452fa7192b2d68f330ce6cbe08bcc1640710751affac2dea37d92bc52a2b","isrc":"USQX91801100","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: V. Menuets I & II","registered_at":"2026-06-07T15:40:55Z","spotify_id":"3GWjgMk7yLcLBQnudEETEi","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fad452fa7192b2d68f330ce6cbe08bcc1640710751affac2dea37d92bc52a2b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GWjgMk7yLcLBQnudEETEi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GWjgMk7yLcLBQnudEETEi.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x1fad452fa7192b2d68f330ce6cbe08bcc1640710751affac2dea37d92bc52a2b","isrc":"USQX91801100","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: V. Menuets I & II","registered_at":"2026-06-07T15:40:55Z","spotify_id":"3GWjgMk7yLcLBQnudEETEi","type":"track"}

Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: V. Gavottes I & II
type: MusicRecording
duration: PT4M28S
duration ms: 268160
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T11:13:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e0b45de550439b627394bfac043af84c3857bfb385de61d491cb2b8812c7387
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4deMToIT956wXVGngqlGan.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4deMToIT956wXVGngqlGan
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7e0b45de550439b627394bfac043af84c3857bfb385de61d491cb2b8812c7387","isrc":"USQX91801121","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: V. Gavottes I & II","registered_at":"2026-06-09T11:13:38Z","spotify_id":"4deMToIT956wXVGngqlGan","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e0b45de550439b627394bfac043af84c3857bfb385de61d491cb2b8812c7387. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4deMToIT956wXVGngqlGan.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4deMToIT956wXVGngqlGan.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x7e0b45de550439b627394bfac043af84c3857bfb385de61d491cb2b8812c7387","isrc":"USQX91801121","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: V. Gavottes I & II","registered_at":"2026-06-09T11:13:38Z","spotify_id":"4deMToIT956wXVGngqlGan","type":"track"}

Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: VI. Gigue
type: MusicRecording
duration: PT2M23S
duration ms: 143280
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T15:39:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2a50f2af4b56cdbea52253ef15520e67c34ed2268850176d4a0a0ac2feade5f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/70o2ksjh5WHKuk7jSDzQcm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70o2ksjh5WHKuk7jSDzQcm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb2a50f2af4b56cdbea52253ef15520e67c34ed2268850176d4a0a0ac2feade5f","isrc":"USQX91801101","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: VI. Gigue","registered_at":"2026-06-07T15:39:56Z","spotify_id":"70o2ksjh5WHKuk7jSDzQcm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2a50f2af4b56cdbea52253ef15520e67c34ed2268850176d4a0a0ac2feade5f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70o2ksjh5WHKuk7jSDzQcm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70o2ksjh5WHKuk7jSDzQcm.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xb2a50f2af4b56cdbea52253ef15520e67c34ed2268850176d4a0a0ac2feade5f","isrc":"USQX91801101","name":"Unaccompanied Cello Suite No. 2 in D Minor, BWV 1008: VI. Gigue","registered_at":"2026-06-07T15:39:56Z","spotify_id":"70o2ksjh5WHKuk7jSDzQcm","type":"track"}

Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: VI. Gigue
type: MusicRecording
duration: PT2M43S
duration ms: 163573
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801122
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T11:08:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4e8ec28225064e85daae90e2089d4e3814b0b92aff67bf758fd0525724a590b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6F8i5sGvgR6qPYj1KwhsXq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6F8i5sGvgR6qPYj1KwhsXq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc4e8ec28225064e85daae90e2089d4e3814b0b92aff67bf758fd0525724a590b","isrc":"USQX91801122","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: VI. Gigue","registered_at":"2026-06-09T11:08:38Z","spotify_id":"6F8i5sGvgR6qPYj1KwhsXq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4e8ec28225064e85daae90e2089d4e3814b0b92aff67bf758fd0525724a590b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6F8i5sGvgR6qPYj1KwhsXq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6F8i5sGvgR6qPYj1KwhsXq.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xc4e8ec28225064e85daae90e2089d4e3814b0b92aff67bf758fd0525724a590b","isrc":"USQX91801122","name":"Unaccompanied Cello Suite No. 5 in C Minor, BWV 1011: VI. Gigue","registered_at":"2026-06-09T11:08:38Z","spotify_id":"6F8i5sGvgR6qPYj1KwhsXq","type":"track"}

Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: I. Prélude
type: MusicRecording
duration: PT3M14S
duration ms: 194293
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T09:33:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca8af75491fc692fe937eb927886640d0c2af40365b61e0962988cf9b48ae21c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4HBGaiBz5jIN3qwf6xACmH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4HBGaiBz5jIN3qwf6xACmH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca8af75491fc692fe937eb927886640d0c2af40365b61e0962988cf9b48ae21c","isrc":"USQX91801103","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: I. Prélude","registered_at":"2026-06-07T09:33:56Z","spotify_id":"4HBGaiBz5jIN3qwf6xACmH","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca8af75491fc692fe937eb927886640d0c2af40365b61e0962988cf9b48ae21c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4HBGaiBz5jIN3qwf6xACmH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4HBGaiBz5jIN3qwf6xACmH.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xca8af75491fc692fe937eb927886640d0c2af40365b61e0962988cf9b48ae21c","isrc":"USQX91801103","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: I. Prélude","registered_at":"2026-06-07T09:33:56Z","spotify_id":"4HBGaiBz5jIN3qwf6xACmH","type":"track"}

Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: I. Prélude
type: MusicRecording
duration: PT4M44S
duration ms: 284960
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801124
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T11:07:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fa001791a9aa984a2bc3963a3696f347ea5cd3eafeaae4ce4b59658653e4a2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0DojqslGcLrFfcRMd1VfC5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0DojqslGcLrFfcRMd1VfC5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2fa001791a9aa984a2bc3963a3696f347ea5cd3eafeaae4ce4b59658653e4a2f","isrc":"USQX91801124","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: I. Prélude","registered_at":"2026-06-09T11:07:52Z","spotify_id":"0DojqslGcLrFfcRMd1VfC5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fa001791a9aa984a2bc3963a3696f347ea5cd3eafeaae4ce4b59658653e4a2f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0DojqslGcLrFfcRMd1VfC5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0DojqslGcLrFfcRMd1VfC5.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x2fa001791a9aa984a2bc3963a3696f347ea5cd3eafeaae4ce4b59658653e4a2f","isrc":"USQX91801124","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: I. Prélude","registered_at":"2026-06-09T11:07:52Z","spotify_id":"0DojqslGcLrFfcRMd1VfC5","type":"track"}

Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: II. Allemande
type: MusicRecording
duration: PT3M44S
duration ms: 224706
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T21:42:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1bef928b46f5083a8d89b5e80a0ae6773e2d8f036d57209a40e6821a907b5f21
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1kI248I2U4xxCjcoOPjHre.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kI248I2U4xxCjcoOPjHre
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1bef928b46f5083a8d89b5e80a0ae6773e2d8f036d57209a40e6821a907b5f21","isrc":"USQX91801104","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: II. Allemande","registered_at":"2026-06-07T21:42:52Z","spotify_id":"1kI248I2U4xxCjcoOPjHre","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bef928b46f5083a8d89b5e80a0ae6773e2d8f036d57209a40e6821a907b5f21. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1kI248I2U4xxCjcoOPjHre.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kI248I2U4xxCjcoOPjHre.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x1bef928b46f5083a8d89b5e80a0ae6773e2d8f036d57209a40e6821a907b5f21","isrc":"USQX91801104","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: II. Allemande","registered_at":"2026-06-07T21:42:52Z","spotify_id":"1kI248I2U4xxCjcoOPjHre","type":"track"}

Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: II. Allemande
type: MusicRecording
duration: PT6M39S
duration ms: 399386
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801125
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T11:08:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb428a1cc2ebb71c74091985c42e905ac7b485ac61842d5a9d83deab16302a43
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7Ki9un4McoqhUg3aLMgNDb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Ki9un4McoqhUg3aLMgNDb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdb428a1cc2ebb71c74091985c42e905ac7b485ac61842d5a9d83deab16302a43","isrc":"USQX91801125","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: II. Allemande","registered_at":"2026-06-09T11:08:38Z","spotify_id":"7Ki9un4McoqhUg3aLMgNDb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb428a1cc2ebb71c74091985c42e905ac7b485ac61842d5a9d83deab16302a43. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Ki9un4McoqhUg3aLMgNDb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Ki9un4McoqhUg3aLMgNDb.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xdb428a1cc2ebb71c74091985c42e905ac7b485ac61842d5a9d83deab16302a43","isrc":"USQX91801125","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: II. Allemande","registered_at":"2026-06-09T11:08:38Z","spotify_id":"7Ki9un4McoqhUg3aLMgNDb","type":"track"}

Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: III. Courante
type: MusicRecording
duration: PT3M8S
duration ms: 188146
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T21:41:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa2c8e80dc994fd88bc2342b5125f058e1fbf3eb89496f9b1b915a9f932e8c1e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5xYVHmVtojdvh3V9kNnybG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xYVHmVtojdvh3V9kNnybG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfa2c8e80dc994fd88bc2342b5125f058e1fbf3eb89496f9b1b915a9f932e8c1e","isrc":"USQX91801105","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: III. Courante","registered_at":"2026-06-07T21:41:45Z","spotify_id":"5xYVHmVtojdvh3V9kNnybG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2c8e80dc994fd88bc2342b5125f058e1fbf3eb89496f9b1b915a9f932e8c1e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xYVHmVtojdvh3V9kNnybG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xYVHmVtojdvh3V9kNnybG.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xfa2c8e80dc994fd88bc2342b5125f058e1fbf3eb89496f9b1b915a9f932e8c1e","isrc":"USQX91801105","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: III. Courante","registered_at":"2026-06-07T21:41:45Z","spotify_id":"5xYVHmVtojdvh3V9kNnybG","type":"track"}

Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: III. Courante
type: MusicRecording
duration: PT3M51S
duration ms: 231866
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801126
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:06:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3764b744994c231e1aa597254c840ebcd51c817151fadaca9473e0e4702cb62
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3iZt1mhzpzhWQsf2wDBTIA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iZt1mhzpzhWQsf2wDBTIA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa3764b744994c231e1aa597254c840ebcd51c817151fadaca9473e0e4702cb62","isrc":"USQX91801126","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: III. Courante","registered_at":"2026-06-09T21:06:33Z","spotify_id":"3iZt1mhzpzhWQsf2wDBTIA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3764b744994c231e1aa597254c840ebcd51c817151fadaca9473e0e4702cb62. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3iZt1mhzpzhWQsf2wDBTIA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iZt1mhzpzhWQsf2wDBTIA.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xa3764b744994c231e1aa597254c840ebcd51c817151fadaca9473e0e4702cb62","isrc":"USQX91801126","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: III. Courante","registered_at":"2026-06-09T21:06:33Z","spotify_id":"3iZt1mhzpzhWQsf2wDBTIA","type":"track"}

Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: IV. Sarabande
type: MusicRecording
duration: PT3M36S
duration ms: 216093
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:57:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x303bc8dce7350d46948a69ce7323471489bd9466890326c1c7a284dd64af1d90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6ZqqHKl3XdslENScCaUTbm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ZqqHKl3XdslENScCaUTbm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x303bc8dce7350d46948a69ce7323471489bd9466890326c1c7a284dd64af1d90","isrc":"USQX91801106","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: IV. Sarabande","registered_at":"2026-06-05T13:57:27Z","spotify_id":"6ZqqHKl3XdslENScCaUTbm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303bc8dce7350d46948a69ce7323471489bd9466890326c1c7a284dd64af1d90. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ZqqHKl3XdslENScCaUTbm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ZqqHKl3XdslENScCaUTbm.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x303bc8dce7350d46948a69ce7323471489bd9466890326c1c7a284dd64af1d90","isrc":"USQX91801106","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: IV. Sarabande","registered_at":"2026-06-05T13:57:27Z","spotify_id":"6ZqqHKl3XdslENScCaUTbm","type":"track"}

Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: IV. Sarabande
type: MusicRecording
duration: PT4M1S
duration ms: 241120
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801127
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:01:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x48c4201dcfaab34875e8f357c215945f411b75f52015c96430335642282750ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3b1cv3fxaEP34T6JuhTSBm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3b1cv3fxaEP34T6JuhTSBm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x48c4201dcfaab34875e8f357c215945f411b75f52015c96430335642282750ce","isrc":"USQX91801127","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: IV. Sarabande","registered_at":"2026-06-09T21:01:08Z","spotify_id":"3b1cv3fxaEP34T6JuhTSBm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48c4201dcfaab34875e8f357c215945f411b75f52015c96430335642282750ce. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3b1cv3fxaEP34T6JuhTSBm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3b1cv3fxaEP34T6JuhTSBm.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x48c4201dcfaab34875e8f357c215945f411b75f52015c96430335642282750ce","isrc":"USQX91801127","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: IV. Sarabande","registered_at":"2026-06-09T21:01:08Z","spotify_id":"3b1cv3fxaEP34T6JuhTSBm","type":"track"}

Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: V. Bourrées I & II
type: MusicRecording
duration: PT3M39S
duration ms: 219853
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T19:24:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99f16efc6e54c46bf2495be2fedc2fce093a840af9455a8758b19c5b7a06e021
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/31CvpPHo8u00TmTzmUKZIO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/31CvpPHo8u00TmTzmUKZIO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x99f16efc6e54c46bf2495be2fedc2fce093a840af9455a8758b19c5b7a06e021","isrc":"USQX91801107","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: V. Bourrées I & II","registered_at":"2026-06-06T19:24:24Z","spotify_id":"31CvpPHo8u00TmTzmUKZIO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99f16efc6e54c46bf2495be2fedc2fce093a840af9455a8758b19c5b7a06e021. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/31CvpPHo8u00TmTzmUKZIO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/31CvpPHo8u00TmTzmUKZIO.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x99f16efc6e54c46bf2495be2fedc2fce093a840af9455a8758b19c5b7a06e021","isrc":"USQX91801107","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: V. Bourrées I & II","registered_at":"2026-06-06T19:24:24Z","spotify_id":"31CvpPHo8u00TmTzmUKZIO","type":"track"}

Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: V. Gavottes I & II
type: MusicRecording
duration: PT3M38S
duration ms: 218280
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801128
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:02:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0243b2603ff79ecd27622638d116aab03bedf94419b26c94adf5b4688ebb9175
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2PtC5fltRxIgP7sPyEjSoX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2PtC5fltRxIgP7sPyEjSoX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0243b2603ff79ecd27622638d116aab03bedf94419b26c94adf5b4688ebb9175","isrc":"USQX91801128","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: V. Gavottes I & II","registered_at":"2026-06-09T21:02:02Z","spotify_id":"2PtC5fltRxIgP7sPyEjSoX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0243b2603ff79ecd27622638d116aab03bedf94419b26c94adf5b4688ebb9175. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2PtC5fltRxIgP7sPyEjSoX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2PtC5fltRxIgP7sPyEjSoX.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x0243b2603ff79ecd27622638d116aab03bedf94419b26c94adf5b4688ebb9175","isrc":"USQX91801128","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: V. Gavottes I & II","registered_at":"2026-06-09T21:02:02Z","spotify_id":"2PtC5fltRxIgP7sPyEjSoX","type":"track"}

Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: VI. Gigue
type: MusicRecording
duration: PT2M57S
duration ms: 177973
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T21:41:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee5c8d0156881a501f44a501a12b2df026fb98124020b73b3bd96b14b800ccbf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2UGOZJshGTuY2gILdSaCVf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2UGOZJshGTuY2gILdSaCVf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xee5c8d0156881a501f44a501a12b2df026fb98124020b73b3bd96b14b800ccbf","isrc":"USQX91801108","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: VI. Gigue","registered_at":"2026-06-07T21:41:35Z","spotify_id":"2UGOZJshGTuY2gILdSaCVf","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee5c8d0156881a501f44a501a12b2df026fb98124020b73b3bd96b14b800ccbf. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2UGOZJshGTuY2gILdSaCVf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2UGOZJshGTuY2gILdSaCVf.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xee5c8d0156881a501f44a501a12b2df026fb98124020b73b3bd96b14b800ccbf","isrc":"USQX91801108","name":"Unaccompanied Cello Suite No. 3 in C Major, BWV 1009: VI. Gigue","registered_at":"2026-06-07T21:41:35Z","spotify_id":"2UGOZJshGTuY2gILdSaCVf","type":"track"}

Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: VI. Gigue
type: MusicRecording
duration: PT3M45S
duration ms: 225106
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Six Evolutions - Bach: Cello Suites
  type: MusicAlbum
  date published: 2018-08-17
isrc code: USQX91801129
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:00:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e6972b6b28bb005f37d73dbdbb588f66c74cb129b2893293c19faa1b9f9b044
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4iFWipaU94KLI5pI7J4Huf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4iFWipaU94KLI5pI7J4Huf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2e6972b6b28bb005f37d73dbdbb588f66c74cb129b2893293c19faa1b9f9b044","isrc":"USQX91801129","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: VI. Gigue","registered_at":"2026-06-09T21:00:42Z","spotify_id":"4iFWipaU94KLI5pI7J4Huf","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e6972b6b28bb005f37d73dbdbb588f66c74cb129b2893293c19faa1b9f9b044. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4iFWipaU94KLI5pI7J4Huf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4iFWipaU94KLI5pI7J4Huf.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x2e6972b6b28bb005f37d73dbdbb588f66c74cb129b2893293c19faa1b9f9b044","isrc":"USQX91801129","name":"Unaccompanied Cello Suite No. 6 in D Major, BWV 1012: VI. Gigue","registered_at":"2026-06-09T21:00:42Z","spotify_id":"4iFWipaU94KLI5pI7J4Huf","type":"track"}

The Vietnam War: A Film By Ken Burns & Lynn Novick
type: MusicAlbum
date published: 2017-10-06
track: The Wounded Soldier
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194386
  explicit: false
  by artist: Silkroad Ensemble
  by artist: Yo-Yo Ma
  in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
    type: MusicAlbum
    date published: 2017-10-06
  isrc code: QM37W1700309
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T03:29:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfbef8c9b1d1fbe6a741f5bb89e3f88d0ecc6d05aa7cdaa612a02a838f38bffc1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4vavlNjDSlQTxpdPXC9n7D.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4vavlNjDSlQTxpdPXC9n7D
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfbef8c9b1d1fbe6a741f5bb89e3f88d0ecc6d05aa7cdaa612a02a838f38bffc1","isrc":"QM37W1700309","name":"The Wounded Soldier","registered_at":"2026-06-18T03:29:15Z","spotify_id":"4vavlNjDSlQTxpdPXC9n7D","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbef8c9b1d1fbe6a741f5bb89e3f88d0ecc6d05aa7cdaa612a02a838f38bffc1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4vavlNjDSlQTxpdPXC9n7D.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4vavlNjDSlQTxpdPXC9n7D.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xfbef8c9b1d1fbe6a741f5bb89e3f88d0ecc6d05aa7cdaa612a02a838f38bffc1","isrc":"QM37W1700309","name":"The Wounded Soldier","registered_at":"2026-06-18T03:29:15Z","spotify_id":"4vavlNjDSlQTxpdPXC9n7D","type":"track"}
track: Traveling Music
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210240
  explicit: false
  by artist: Silkroad Ensemble
  in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
    type: MusicAlbum
    date published: 2017-10-06
  isrc code: QM37W1700310
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T03:30:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc4a24872d6faf6a9dc7a71d0a6b75f9053cba3cbaf3344acaf2549ad81d5a167
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0KnSKxjFG3av8TkJyFFOmd.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KnSKxjFG3av8TkJyFFOmd
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc4a24872d6faf6a9dc7a71d0a6b75f9053cba3cbaf3344acaf2549ad81d5a167","isrc":"QM37W1700310","name":"Traveling Music","registered_at":"2026-06-18T03:30:04Z","spotify_id":"0KnSKxjFG3av8TkJyFFOmd","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4a24872d6faf6a9dc7a71d0a6b75f9053cba3cbaf3344acaf2549ad81d5a167. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0KnSKxjFG3av8TkJyFFOmd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KnSKxjFG3av8TkJyFFOmd.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xc4a24872d6faf6a9dc7a71d0a6b75f9053cba3cbaf3344acaf2549ad81d5a167","isrc":"QM37W1700310","name":"Traveling Music","registered_at":"2026-06-18T03:30:04Z","spotify_id":"0KnSKxjFG3av8TkJyFFOmd","type":"track"}
track: Improvisation
  type: MusicRecording
  duration: PT7M33S
  duration ms: 453760
  explicit: false
  by artist: Silkroad Ensemble
  in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
    type: MusicAlbum
    date published: 2017-10-06
  isrc code: QM37W1700311
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T08:31:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9d848aa6dd01302c6d59b5600bd453fa04dd3161bf9ce72748c0d7ca8cc4ae58
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3PHe7Ox1KfVr3oY6RsECj5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3PHe7Ox1KfVr3oY6RsECj5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d848aa6dd01302c6d59b5600bd453fa04dd3161bf9ce72748c0d7ca8cc4ae58. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3PHe7Ox1KfVr3oY6RsECj5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3PHe7Ox1KfVr3oY6RsECj5.
    date published: 2026-07-02T11:34:59Z
track: Uot Me
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173426
  explicit: false
  by artist: Silkroad Ensemble
  by artist: Yo-Yo Ma
  in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
    type: MusicAlbum
    date published: 2017-10-06
  isrc code: QM37W1700312
track: The Wounded Soldier Reprise
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221720
  explicit: false
  by artist: Silkroad Ensemble
  by artist: Yo-Yo Ma
  in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
    type: MusicAlbum
    date published: 2017-10-06
  isrc code: QM37W1700313
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T08:31:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6558013f5712f958063d3a2aa42274be89390fa74792636a6a02a750c0849812
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6MPU01Y9GrBt3NNLwFa1lu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MPU01Y9GrBt3NNLwFa1lu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6558013f5712f958063d3a2aa42274be89390fa74792636a6a02a750c0849812","isrc":"QM37W1700313","name":"The Wounded Soldier Reprise","registered_at":"2026-06-25T08:31:09Z","spotify_id":"6MPU01Y9GrBt3NNLwFa1lu","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6558013f5712f958063d3a2aa42274be89390fa74792636a6a02a750c0849812. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6MPU01Y9GrBt3NNLwFa1lu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MPU01Y9GrBt3NNLwFa1lu.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x6558013f5712f958063d3a2aa42274be89390fa74792636a6a02a750c0849812","isrc":"QM37W1700313","name":"The Wounded Soldier Reprise","registered_at":"2026-06-25T08:31:09Z","spotify_id":"6MPU01Y9GrBt3NNLwFa1lu","type":"track"}
track: People and Fighters Unite
track: Lullaby
track: The Wounded Soldier Finale
track: We Shall Overcome

People and Fighters Unite
type: MusicRecording
duration: PT3M21S
duration ms: 201986
explicit: false
by artist: Silkroad Ensemble
in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
  type: MusicAlbum
  date published: 2017-10-06
isrc code: QM37W1700314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T08:57:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4389deca2b0271f73f1c2d4bfd92296297f3287ce14b9f19e877e8178d5eb0c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6p6I47iovQ7BmpcNyq7kXD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p6I47iovQ7BmpcNyq7kXD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4389deca2b0271f73f1c2d4bfd92296297f3287ce14b9f19e877e8178d5eb0c9","isrc":"QM37W1700314","name":"People and Fighters Unite","registered_at":"2026-06-27T08:57:17Z","spotify_id":"6p6I47iovQ7BmpcNyq7kXD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4389deca2b0271f73f1c2d4bfd92296297f3287ce14b9f19e877e8178d5eb0c9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6p6I47iovQ7BmpcNyq7kXD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p6I47iovQ7BmpcNyq7kXD.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x4389deca2b0271f73f1c2d4bfd92296297f3287ce14b9f19e877e8178d5eb0c9","isrc":"QM37W1700314","name":"People and Fighters Unite","registered_at":"2026-06-27T08:57:17Z","spotify_id":"6p6I47iovQ7BmpcNyq7kXD","type":"track"}

Lullaby
type: MusicRecording
duration: PT3M8S
duration ms: 188546
explicit: false
by artist: Silkroad Ensemble
in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
  type: MusicAlbum
  date published: 2017-10-06
isrc code: QM37W1700315
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:42:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa41ea6519182eac05284d6a56acb57622e0e286c314f5e51c76ffa32a81f3dec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1x5tX0CtFFzeJpNMv6dDBJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1x5tX0CtFFzeJpNMv6dDBJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41ea6519182eac05284d6a56acb57622e0e286c314f5e51c76ffa32a81f3dec. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1x5tX0CtFFzeJpNMv6dDBJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1x5tX0CtFFzeJpNMv6dDBJ.
  date published: 2026-07-02T03:55:08Z

The Wounded Soldier Finale
type: MusicRecording
duration: PT1M56S
duration ms: 116146
explicit: false
by artist: Silkroad Ensemble
by artist: Yo-Yo Ma
in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
  type: MusicAlbum
  date published: 2017-10-06
isrc code: QM37W1700316
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T11:29:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6523939c1a47d155631c9cb2224f246902fe04b5b47e559ef2fb6ff14f045d1f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2wxAyXhwLOegbW87DwSqz5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wxAyXhwLOegbW87DwSqz5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6523939c1a47d155631c9cb2224f246902fe04b5b47e559ef2fb6ff14f045d1f","isrc":"QM37W1700316","name":"The Wounded Soldier Finale","registered_at":"2026-06-27T11:29:18Z","spotify_id":"2wxAyXhwLOegbW87DwSqz5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6523939c1a47d155631c9cb2224f246902fe04b5b47e559ef2fb6ff14f045d1f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wxAyXhwLOegbW87DwSqz5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wxAyXhwLOegbW87DwSqz5.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x6523939c1a47d155631c9cb2224f246902fe04b5b47e559ef2fb6ff14f045d1f","isrc":"QM37W1700316","name":"The Wounded Soldier Finale","registered_at":"2026-06-27T11:29:18Z","spotify_id":"2wxAyXhwLOegbW87DwSqz5","type":"track"}

We Shall Overcome
type: MusicRecording
duration: PT2M15S
duration ms: 135333
explicit: false
by artist: Silkroad Ensemble
in album: The Vietnam War: A Film By Ken Burns & Lynn Novick
  type: MusicAlbum
  date published: 2017-10-06
isrc code: QM37W1700317
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T05:31:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c144f544756e35d2059fac908b1d6bf975e08277ef1f8fc60bd9b592e978d6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2cU5ShZt3Yc4oh6k09U9Dz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cU5ShZt3Yc4oh6k09U9Dz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0c144f544756e35d2059fac908b1d6bf975e08277ef1f8fc60bd9b592e978d6f","isrc":"QM37W1700317","name":"We Shall Overcome","registered_at":"2026-06-22T05:31:49Z","spotify_id":"2cU5ShZt3Yc4oh6k09U9Dz","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c144f544756e35d2059fac908b1d6bf975e08277ef1f8fc60bd9b592e978d6f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2cU5ShZt3Yc4oh6k09U9Dz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cU5ShZt3Yc4oh6k09U9Dz.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x0c144f544756e35d2059fac908b1d6bf975e08277ef1f8fc60bd9b592e978d6f","isrc":"QM37W1700317","name":"We Shall Overcome","registered_at":"2026-06-22T05:31:49Z","spotify_id":"2cU5ShZt3Yc4oh6k09U9Dz","type":"track"}

Bach Trios
type: MusicAlbum
date published: 2017-04-07
track: Trio Sonata No. 6 in G Major, BWV 530: I. Vivace
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192266
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  by artist: Chris Thile
  by artist: Edgar Meyer
  in album: Bach Trios
    type: MusicAlbum
    date published: 2017-04-07
  isrc code: USNO11601152
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T06:51:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6733b7552fc8fca09adb472cc31c8e0d938b7676ec9e7cd489ac358dc072f808
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5SorLavJ0bCz4T9XyxchiY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5SorLavJ0bCz4T9XyxchiY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6733b7552fc8fca09adb472cc31c8e0d938b7676ec9e7cd489ac358dc072f808","isrc":"USNO11601152","name":"Trio Sonata No. 6 in G Major, BWV 530: I. Vivace","registered_at":"2026-06-09T06:51:23Z","spotify_id":"5SorLavJ0bCz4T9XyxchiY","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6733b7552fc8fca09adb472cc31c8e0d938b7676ec9e7cd489ac358dc072f808. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5SorLavJ0bCz4T9XyxchiY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5SorLavJ0bCz4T9XyxchiY.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x6733b7552fc8fca09adb472cc31c8e0d938b7676ec9e7cd489ac358dc072f808","isrc":"USNO11601152","name":"Trio Sonata No. 6 in G Major, BWV 530: I. Vivace","registered_at":"2026-06-09T06:51:23Z","spotify_id":"5SorLavJ0bCz4T9XyxchiY","type":"track"}
track: Trio Sonata No. 6 in G Major, BWV 530: II. Lento
  type: MusicRecording
  duration: PT6M8S
  duration ms: 368213
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  by artist: Chris Thile
  by artist: Edgar Meyer
  in album: Bach Trios
    type: MusicAlbum
    date published: 2017-04-07
  isrc code: USNO11601153
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T02:33:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf074e0590d710d41b0c8d6f89ee97f439e12777cb02745ab4f4dab5f8ad4da21
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2GoBhQ4yFbVIgDiRCBHpwO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GoBhQ4yFbVIgDiRCBHpwO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf074e0590d710d41b0c8d6f89ee97f439e12777cb02745ab4f4dab5f8ad4da21","isrc":"USNO11601153","name":"Trio Sonata No. 6 in G Major, BWV 530: II. Lento","registered_at":"2026-06-08T02:33:23Z","spotify_id":"2GoBhQ4yFbVIgDiRCBHpwO","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf074e0590d710d41b0c8d6f89ee97f439e12777cb02745ab4f4dab5f8ad4da21. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2GoBhQ4yFbVIgDiRCBHpwO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GoBhQ4yFbVIgDiRCBHpwO.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xf074e0590d710d41b0c8d6f89ee97f439e12777cb02745ab4f4dab5f8ad4da21","isrc":"USNO11601153","name":"Trio Sonata No. 6 in G Major, BWV 530: II. Lento","registered_at":"2026-06-08T02:33:23Z","spotify_id":"2GoBhQ4yFbVIgDiRCBHpwO","type":"track"}
track: Trio Sonata No. 6 in G Major, BWV 530: III. Allegro
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178826
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  by artist: Chris Thile
  by artist: Edgar Meyer
  in album: Bach Trios
    type: MusicAlbum
    date published: 2017-04-07
  isrc code: USNO11601154
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T06:11:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe4f4c5ca098f802ec7fde42ba3e0191de33ad5f39cc06dffaabda0e6975b19a0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1FW04cwL7BBecHX5jcgMdX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1FW04cwL7BBecHX5jcgMdX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe4f4c5ca098f802ec7fde42ba3e0191de33ad5f39cc06dffaabda0e6975b19a0","isrc":"USNO11601154","name":"Trio Sonata No. 6 in G Major, BWV 530: III. Allegro","registered_at":"2026-06-11T06:11:18Z","spotify_id":"1FW04cwL7BBecHX5jcgMdX","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f4c5ca098f802ec7fde42ba3e0191de33ad5f39cc06dffaabda0e6975b19a0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1FW04cwL7BBecHX5jcgMdX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1FW04cwL7BBecHX5jcgMdX.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xe4f4c5ca098f802ec7fde42ba3e0191de33ad5f39cc06dffaabda0e6975b19a0","isrc":"USNO11601154","name":"Trio Sonata No. 6 in G Major, BWV 530: III. Allegro","registered_at":"2026-06-11T06:11:18Z","spotify_id":"1FW04cwL7BBecHX5jcgMdX","type":"track"}
track: The Well-Tempered Clavier, Book I: Prelude No. 19 in A Major, BWV 864
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96013
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  by artist: Chris Thile
  by artist: Edgar Meyer
  in album: Bach Trios
    type: MusicAlbum
    date published: 2017-04-07
  isrc code: USNO11601155
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T01:03:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x09e8a994e3fcf073c353f8fa1ef4af9690226bb29d0947b75f1a454518cbb300
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0iYL55XhosFLPLmoANBq5A.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0iYL55XhosFLPLmoANBq5A
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x09e8a994e3fcf073c353f8fa1ef4af9690226bb29d0947b75f1a454518cbb300","isrc":"USNO11601155","name":"The Well-Tempered Clavier, Book I: Prelude No. 19 in A Major, BWV 864","registered_at":"2026-06-10T01:03:38Z","spotify_id":"0iYL55XhosFLPLmoANBq5A","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09e8a994e3fcf073c353f8fa1ef4af9690226bb29d0947b75f1a454518cbb300. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0iYL55XhosFLPLmoANBq5A.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0iYL55XhosFLPLmoANBq5A.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x09e8a994e3fcf073c353f8fa1ef4af9690226bb29d0947b75f1a454518cbb300","isrc":"USNO11601155","name":"The Well-Tempered Clavier, Book I: Prelude No. 19 in A Major, BWV 864","registered_at":"2026-06-10T01:03:38Z","spotify_id":"0iYL55XhosFLPLmoANBq5A","type":"track"}
track: Wachet auf, ruft uns die Stimme, BWV 645
track: The Well-Tempered Clavier, Book II: Fugue No. 20 in A Minor, BWV 889
track: Ich ruf zu dir, Herr Jesu Christ, BWV 639
track: Prelude No. 18 in E Minor, BWV 548
track: Fugue No. 18 in E Minor, BWV 548
track: Keyboard Partita No. 5 in G Major, BWV 829: VI. Passepied
track: Kommst du nun, Jesu, vom Himmel herunter, BWV 650
track: Art of the Fugue, BWV 1080: Contrapunctus XIII a 3, "Rectus"
track: Art of the Fugue, BWV 1080: Contrapunctus XIII a 3, "Inversus"
track: Erbarm dich mein, O Herre Gott, BWV 721
track: Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: I. Vivace
track: Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: II. Adagio
track: Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: III. Allegro

Wachet auf, ruft uns die Stimme, BWV 645
type: MusicRecording
duration: PT4M42S
duration ms: 282853
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601156
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:20:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe2ae8e97553314c3919e4e622a3c05965563e1f260a7dcf03e38c1aecc73d35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0jCK1UH5il1KD6R5sGiW9s.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0jCK1UH5il1KD6R5sGiW9s
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfe2ae8e97553314c3919e4e622a3c05965563e1f260a7dcf03e38c1aecc73d35","isrc":"USNO11601156","name":"Wachet auf, ruft uns die Stimme, BWV 645","registered_at":"2026-06-07T19:20:38Z","spotify_id":"0jCK1UH5il1KD6R5sGiW9s","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe2ae8e97553314c3919e4e622a3c05965563e1f260a7dcf03e38c1aecc73d35. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0jCK1UH5il1KD6R5sGiW9s.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0jCK1UH5il1KD6R5sGiW9s.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xfe2ae8e97553314c3919e4e622a3c05965563e1f260a7dcf03e38c1aecc73d35","isrc":"USNO11601156","name":"Wachet auf, ruft uns die Stimme, BWV 645","registered_at":"2026-06-07T19:20:38Z","spotify_id":"0jCK1UH5il1KD6R5sGiW9s","type":"track"}

The Well-Tempered Clavier, Book II: Fugue No. 20 in A Minor, BWV 889
type: MusicRecording
duration: PT1M33S
duration ms: 93773
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601157
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:07:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9cc29151bf79d9012ff732a29fd55fd4089203db9e1eed02476b61c21dc2ea47
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/19QhK3PQMEe6OuSiwR2XcS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19QhK3PQMEe6OuSiwR2XcS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9cc29151bf79d9012ff732a29fd55fd4089203db9e1eed02476b61c21dc2ea47","isrc":"USNO11601157","name":"The Well-Tempered Clavier, Book II: Fugue No. 20 in A Minor, BWV 889","registered_at":"2026-06-11T06:07:25Z","spotify_id":"19QhK3PQMEe6OuSiwR2XcS","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cc29151bf79d9012ff732a29fd55fd4089203db9e1eed02476b61c21dc2ea47. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/19QhK3PQMEe6OuSiwR2XcS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19QhK3PQMEe6OuSiwR2XcS.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x9cc29151bf79d9012ff732a29fd55fd4089203db9e1eed02476b61c21dc2ea47","isrc":"USNO11601157","name":"The Well-Tempered Clavier, Book II: Fugue No. 20 in A Minor, BWV 889","registered_at":"2026-06-11T06:07:25Z","spotify_id":"19QhK3PQMEe6OuSiwR2XcS","type":"track"}

Ich ruf zu dir, Herr Jesu Christ, BWV 639
type: MusicRecording
duration: PT2M28S
duration ms: 148786
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601158
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:52:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e347107a61080df6fe693b8925d8863ba7d11c54d90df752fe47659c82653dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2JzQRlXaDRZdVzSiy5vmjL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2JzQRlXaDRZdVzSiy5vmjL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9e347107a61080df6fe693b8925d8863ba7d11c54d90df752fe47659c82653dd","isrc":"USNO11601158","name":"Ich ruf zu dir, Herr Jesu Christ, BWV 639","registered_at":"2026-06-07T06:52:47Z","spotify_id":"2JzQRlXaDRZdVzSiy5vmjL","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e347107a61080df6fe693b8925d8863ba7d11c54d90df752fe47659c82653dd. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2JzQRlXaDRZdVzSiy5vmjL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2JzQRlXaDRZdVzSiy5vmjL.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x9e347107a61080df6fe693b8925d8863ba7d11c54d90df752fe47659c82653dd","isrc":"USNO11601158","name":"Ich ruf zu dir, Herr Jesu Christ, BWV 639","registered_at":"2026-06-07T06:52:47Z","spotify_id":"2JzQRlXaDRZdVzSiy5vmjL","type":"track"}

Prelude No. 18 in E Minor, BWV 548
type: MusicRecording
duration: PT5M41S
duration ms: 341333
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601159
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:57:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe62f45315ad5513c4a38dd577a2949932d9dac3d830349c03393a1005f369a55
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0QSUqQos3BcIJqQrrvR2Qj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0QSUqQos3BcIJqQrrvR2Qj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe62f45315ad5513c4a38dd577a2949932d9dac3d830349c03393a1005f369a55","isrc":"USNO11601159","name":"Prelude No. 18 in E Minor, BWV 548","registered_at":"2026-06-07T06:57:54Z","spotify_id":"0QSUqQos3BcIJqQrrvR2Qj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62f45315ad5513c4a38dd577a2949932d9dac3d830349c03393a1005f369a55. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0QSUqQos3BcIJqQrrvR2Qj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0QSUqQos3BcIJqQrrvR2Qj.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xe62f45315ad5513c4a38dd577a2949932d9dac3d830349c03393a1005f369a55","isrc":"USNO11601159","name":"Prelude No. 18 in E Minor, BWV 548","registered_at":"2026-06-07T06:57:54Z","spotify_id":"0QSUqQos3BcIJqQrrvR2Qj","type":"track"}

Fugue No. 18 in E Minor, BWV 548
type: MusicRecording
duration: PT6M11S
duration ms: 371133
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:45:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9499468d5fd812a52f4e43ddb52770702edd84476473a7ceb7e20d9557eacf92
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4WiBxh8Iv2H0T4AAeI19Re.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4WiBxh8Iv2H0T4AAeI19Re
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9499468d5fd812a52f4e43ddb52770702edd84476473a7ceb7e20d9557eacf92","isrc":"USNO11601160","name":"Fugue No. 18 in E Minor, BWV 548","registered_at":"2026-06-10T02:45:04Z","spotify_id":"4WiBxh8Iv2H0T4AAeI19Re","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9499468d5fd812a52f4e43ddb52770702edd84476473a7ceb7e20d9557eacf92. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4WiBxh8Iv2H0T4AAeI19Re.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4WiBxh8Iv2H0T4AAeI19Re.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x9499468d5fd812a52f4e43ddb52770702edd84476473a7ceb7e20d9557eacf92","isrc":"USNO11601160","name":"Fugue No. 18 in E Minor, BWV 548","registered_at":"2026-06-10T02:45:04Z","spotify_id":"4WiBxh8Iv2H0T4AAeI19Re","type":"track"}

Keyboard Partita No. 5 in G Major, BWV 829: VI. Passepied
type: MusicRecording
duration: PT2M4S
duration ms: 124413
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601161
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:05:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d2a622e762924a557b67878f10f6156fb44d49d1002a9a908e23b062124cbef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5EIGKWE5hlF71NtHuuw2UJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5EIGKWE5hlF71NtHuuw2UJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0d2a622e762924a557b67878f10f6156fb44d49d1002a9a908e23b062124cbef","isrc":"USNO11601161","name":"Keyboard Partita No. 5 in G Major, BWV 829: VI. Passepied","registered_at":"2026-06-11T06:05:35Z","spotify_id":"5EIGKWE5hlF71NtHuuw2UJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d2a622e762924a557b67878f10f6156fb44d49d1002a9a908e23b062124cbef. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5EIGKWE5hlF71NtHuuw2UJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5EIGKWE5hlF71NtHuuw2UJ.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x0d2a622e762924a557b67878f10f6156fb44d49d1002a9a908e23b062124cbef","isrc":"USNO11601161","name":"Keyboard Partita No. 5 in G Major, BWV 829: VI. Passepied","registered_at":"2026-06-11T06:05:35Z","spotify_id":"5EIGKWE5hlF71NtHuuw2UJ","type":"track"}

Kommst du nun, Jesu, vom Himmel herunter, BWV 650
type: MusicRecording
duration: PT2M54S
duration ms: 174906
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601162
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:31:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaefee29d229345131f0081b7850f4d91f4e5856fce8bb64082ed611a0afda4bb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0DP4oK0UhuXpPBjDgJzOSQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0DP4oK0UhuXpPBjDgJzOSQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaefee29d229345131f0081b7850f4d91f4e5856fce8bb64082ed611a0afda4bb","isrc":"USNO11601162","name":"Kommst du nun, Jesu, vom Himmel herunter, BWV 650","registered_at":"2026-06-19T09:31:30Z","spotify_id":"0DP4oK0UhuXpPBjDgJzOSQ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaefee29d229345131f0081b7850f4d91f4e5856fce8bb64082ed611a0afda4bb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0DP4oK0UhuXpPBjDgJzOSQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0DP4oK0UhuXpPBjDgJzOSQ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xaefee29d229345131f0081b7850f4d91f4e5856fce8bb64082ed611a0afda4bb","isrc":"USNO11601162","name":"Kommst du nun, Jesu, vom Himmel herunter, BWV 650","registered_at":"2026-06-19T09:31:30Z","spotify_id":"0DP4oK0UhuXpPBjDgJzOSQ","type":"track"}

Art of the Fugue, BWV 1080: Contrapunctus XIII a 3, "Rectus"
type: MusicRecording
duration: PT2M19S
duration ms: 139506
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T03:55:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x013c7e45f568c526c7f4621b021e5bfac2c9e198768936f21ff7b61a28285ff4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954130
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/48AmREuENlbKOfpHpRuo7d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48AmREuENlbKOfpHpRuo7d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T20:29:22Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x013c7e45f568c526c7f4621b021e5bfac2c9e198768936f21ff7b61a28285ff4","isrc":"USNO11601163","name":"Art of the Fugue, BWV 1080: Contrapunctus XIII a 3, \"Rectus\"","registered_at":"2026-06-17T03:55:09Z","spotify_id":"48AmREuENlbKOfpHpRuo7d","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x013c7e45f568c526c7f4621b021e5bfac2c9e198768936f21ff7b61a28285ff4. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:29:22Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/48AmREuENlbKOfpHpRuo7d.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48AmREuENlbKOfpHpRuo7d.
  date published: 2026-06-17T20:29:22Z
  text: {"copyright_id":"0x013c7e45f568c526c7f4621b021e5bfac2c9e198768936f21ff7b61a28285ff4","isrc":"USNO11601163","name":"Art of the Fugue, BWV 1080: Contrapunctus XIII a 3, \"Rectus\"","registered_at":"2026-06-17T03:55:09Z","spotify_id":"48AmREuENlbKOfpHpRuo7d","type":"track"}

Art of the Fugue, BWV 1080: Contrapunctus XIII a 3, "Inversus"
type: MusicRecording
duration: PT2M21S
duration ms: 141666
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601164
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:46:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb977c34cf874b81fac97da6fbc0b5702c6e6f27a827c736b6fb287d6c5ed0c69
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3RfDM69M1y1D9bkO84GzPl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RfDM69M1y1D9bkO84GzPl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb977c34cf874b81fac97da6fbc0b5702c6e6f27a827c736b6fb287d6c5ed0c69","isrc":"USNO11601164","name":"Art of the Fugue, BWV 1080: Contrapunctus XIII a 3, \"Inversus\"","registered_at":"2026-06-17T22:46:19Z","spotify_id":"3RfDM69M1y1D9bkO84GzPl","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb977c34cf874b81fac97da6fbc0b5702c6e6f27a827c736b6fb287d6c5ed0c69. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3RfDM69M1y1D9bkO84GzPl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RfDM69M1y1D9bkO84GzPl.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xb977c34cf874b81fac97da6fbc0b5702c6e6f27a827c736b6fb287d6c5ed0c69","isrc":"USNO11601164","name":"Art of the Fugue, BWV 1080: Contrapunctus XIII a 3, \"Inversus\"","registered_at":"2026-06-17T22:46:19Z","spotify_id":"3RfDM69M1y1D9bkO84GzPl","type":"track"}

Erbarm dich mein, O Herre Gott, BWV 721
type: MusicRecording
duration: PT4M10S
duration ms: 250946
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601165
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:01:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4040f3fd275b5f7f907666dbb694cefa84be08f7f84bac2f50ec0d8f671f64c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2YHOXhEwHYdMgC8nYLBF0X.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2YHOXhEwHYdMgC8nYLBF0X
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4040f3fd275b5f7f907666dbb694cefa84be08f7f84bac2f50ec0d8f671f64c7","isrc":"USNO11601165","name":"Erbarm dich mein, O Herre Gott, BWV 721","registered_at":"2026-06-09T07:01:37Z","spotify_id":"2YHOXhEwHYdMgC8nYLBF0X","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4040f3fd275b5f7f907666dbb694cefa84be08f7f84bac2f50ec0d8f671f64c7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2YHOXhEwHYdMgC8nYLBF0X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2YHOXhEwHYdMgC8nYLBF0X.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4040f3fd275b5f7f907666dbb694cefa84be08f7f84bac2f50ec0d8f671f64c7","isrc":"USNO11601165","name":"Erbarm dich mein, O Herre Gott, BWV 721","registered_at":"2026-06-09T07:01:37Z","spotify_id":"2YHOXhEwHYdMgC8nYLBF0X","type":"track"}

Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: I. Vivace
type: MusicRecording
duration: PT4M54S
duration ms: 294253
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601166
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:23:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88627115fb1382b25db32bbf2456bb3cd5343123ce87417894f838347669f05f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2TcSvDu5AcJcophBQKN1FK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TcSvDu5AcJcophBQKN1FK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x88627115fb1382b25db32bbf2456bb3cd5343123ce87417894f838347669f05f","isrc":"USNO11601166","name":"Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: I. Vivace","registered_at":"2026-06-10T16:23:45Z","spotify_id":"2TcSvDu5AcJcophBQKN1FK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88627115fb1382b25db32bbf2456bb3cd5343123ce87417894f838347669f05f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2TcSvDu5AcJcophBQKN1FK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TcSvDu5AcJcophBQKN1FK.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x88627115fb1382b25db32bbf2456bb3cd5343123ce87417894f838347669f05f","isrc":"USNO11601166","name":"Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: I. Vivace","registered_at":"2026-06-10T16:23:45Z","spotify_id":"2TcSvDu5AcJcophBQKN1FK","type":"track"}

Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: II. Adagio
type: MusicRecording
duration: PT4M18S
duration ms: 258360
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601167
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:24:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x195ee92bdcd267a16a868802945ddd31088b542fea07a16e581e58d15d18024e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6bj2r3CKqXhMnvb07VY4iR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6bj2r3CKqXhMnvb07VY4iR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x195ee92bdcd267a16a868802945ddd31088b542fea07a16e581e58d15d18024e","isrc":"USNO11601167","name":"Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: II. Adagio","registered_at":"2026-06-05T16:24:17Z","spotify_id":"6bj2r3CKqXhMnvb07VY4iR","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x195ee92bdcd267a16a868802945ddd31088b542fea07a16e581e58d15d18024e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6bj2r3CKqXhMnvb07VY4iR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6bj2r3CKqXhMnvb07VY4iR.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x195ee92bdcd267a16a868802945ddd31088b542fea07a16e581e58d15d18024e","isrc":"USNO11601167","name":"Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: II. Adagio","registered_at":"2026-06-05T16:24:17Z","spotify_id":"6bj2r3CKqXhMnvb07VY4iR","type":"track"}

Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: III. Allegro
type: MusicRecording
duration: PT3M15S
duration ms: 195906
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Bach Trios
  type: MusicAlbum
  date published: 2017-04-07
isrc code: USNO11601168
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:05:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34401f6223a60122dc38963b904f2f03525146e18a6451da21ca96ba4fb8c7d3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7bdRiEV8LDBuXvqktzVGpx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bdRiEV8LDBuXvqktzVGpx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x34401f6223a60122dc38963b904f2f03525146e18a6451da21ca96ba4fb8c7d3","isrc":"USNO11601168","name":"Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: III. Allegro","registered_at":"2026-06-11T06:05:41Z","spotify_id":"7bdRiEV8LDBuXvqktzVGpx","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34401f6223a60122dc38963b904f2f03525146e18a6451da21ca96ba4fb8c7d3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7bdRiEV8LDBuXvqktzVGpx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bdRiEV8LDBuXvqktzVGpx.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x34401f6223a60122dc38963b904f2f03525146e18a6451da21ca96ba4fb8c7d3","isrc":"USNO11601168","name":"Sonata for Viola da Gamba No. 3 in G Minor, BWV 1029: III. Allegro","registered_at":"2026-06-11T06:05:41Z","spotify_id":"7bdRiEV8LDBuXvqktzVGpx","type":"track"}

Sing Me Home
type: MusicAlbum
date published: 2016-04-22
track: Green (Vincent's Tune) (feat. Roomful of Teeth)
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262306
  explicit: false
  by artist: Man Wu
  by artist: Yo-Yo Ma
  by artist: Silkroad Ensemble
  by artist: Roomful of Teeth
  in album: Sing Me Home
    type: MusicAlbum
    date published: 2016-04-22
  isrc code: USQX91503142
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T18:03:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2bcd8e5a2b50d3d237dc13466cee823f38421f73e741565b121f532b0ed1400a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956351
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1mRd12MzjKY3RLYc84jH5i.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1mRd12MzjKY3RLYc84jH5i
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2bcd8e5a2b50d3d237dc13466cee823f38421f73e741565b121f532b0ed1400a","isrc":"USQX91503142","name":"Green (Vincent's Tune) (feat. Roomful of Teeth)","registered_at":"2026-06-25T18:03:10Z","spotify_id":"1mRd12MzjKY3RLYc84jH5i","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bcd8e5a2b50d3d237dc13466cee823f38421f73e741565b121f532b0ed1400a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1mRd12MzjKY3RLYc84jH5i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1mRd12MzjKY3RLYc84jH5i.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x2bcd8e5a2b50d3d237dc13466cee823f38421f73e741565b121f532b0ed1400a","isrc":"USQX91503142","name":"Green (Vincent's Tune) (feat. Roomful of Teeth)","registered_at":"2026-06-25T18:03:10Z","spotify_id":"1mRd12MzjKY3RLYc84jH5i","type":"track"}
track: O'Neill's Cavalry March (feat. Martin Hayes)
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162840
  explicit: false
  by artist: Traditional
  by artist: Silkroad Ensemble
  by artist: Yo-Yo Ma
  by artist: Martin Hayes
  in album: Sing Me Home
    type: MusicAlbum
    date published: 2016-04-22
  isrc code: USQX91503143
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:45:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5b07167476c8dff37223728722e0dd3536a1d7c9e99c7a58a057e7841ffd6923
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0Cs4j3mOjUnf1OvXEeNHXv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Cs4j3mOjUnf1OvXEeNHXv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5b07167476c8dff37223728722e0dd3536a1d7c9e99c7a58a057e7841ffd6923","isrc":"USQX91503143","name":"O'Neill's Cavalry March (feat. Martin Hayes)","registered_at":"2026-06-24T10:45:58Z","spotify_id":"0Cs4j3mOjUnf1OvXEeNHXv","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b07167476c8dff37223728722e0dd3536a1d7c9e99c7a58a057e7841ffd6923. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Cs4j3mOjUnf1OvXEeNHXv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Cs4j3mOjUnf1OvXEeNHXv.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x5b07167476c8dff37223728722e0dd3536a1d7c9e99c7a58a057e7841ffd6923","isrc":"USQX91503143","name":"O'Neill's Cavalry March (feat. Martin Hayes)","registered_at":"2026-06-24T10:45:58Z","spotify_id":"0Cs4j3mOjUnf1OvXEeNHXv","type":"track"}
track: Little Birdie (feat. Sarah Jarosz)
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168786
  explicit: false
  by artist: Traditional
  by artist: Silkroad Ensemble
  by artist: Yo-Yo Ma
  by artist: Sarah Jarosz
  in album: Sing Me Home
    type: MusicAlbum
    date published: 2016-04-22
  isrc code: USQX91503144
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:54:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0fd810c1ffcd9c34f8b347c9c919ae88c0f897e2614654ea08e6b58626072d9b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0cDfT3TkSX2ZMQ6yNphWvT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0cDfT3TkSX2ZMQ6yNphWvT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0fd810c1ffcd9c34f8b347c9c919ae88c0f897e2614654ea08e6b58626072d9b","isrc":"USQX91503144","name":"Little Birdie (feat. Sarah Jarosz)","registered_at":"2026-06-25T17:54:54Z","spotify_id":"0cDfT3TkSX2ZMQ6yNphWvT","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd810c1ffcd9c34f8b347c9c919ae88c0f897e2614654ea08e6b58626072d9b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0cDfT3TkSX2ZMQ6yNphWvT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0cDfT3TkSX2ZMQ6yNphWvT.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x0fd810c1ffcd9c34f8b347c9c919ae88c0f897e2614654ea08e6b58626072d9b","isrc":"USQX91503144","name":"Little Birdie (feat. Sarah Jarosz)","registered_at":"2026-06-25T17:54:54Z","spotify_id":"0cDfT3TkSX2ZMQ6yNphWvT","type":"track"}
track: Ichichila (feat. Toumani Diabate & Balla Kouyate)
  type: MusicRecording
  duration: PT6M30S
  duration ms: 390773
  explicit: false
  by artist: Traditional
  by artist: Silkroad Ensemble
  by artist: Toumani Diabaté
  by artist: Balla Kouyate
  in album: Sing Me Home
    type: MusicAlbum
    date published: 2016-04-22
  isrc code: USQX91503145
track: Sadila Jana (feat. Black Sea Hotel)
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206613
  explicit: false
  by artist: Traditional
  by artist: Silkroad Ensemble
  by artist: Yo-Yo Ma
  by artist: Black Sea Hotel
  in album: Sing Me Home
    type: MusicAlbum
    date published: 2016-04-22
  isrc code: USQX91503148
track: Shingashi Song (feat. Kaoru Watanabe)
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305586
  explicit: false
  by artist: Traditional
  by artist: Yo-Yo Ma
  by artist: Silkroad Ensemble
  by artist: Kaoru Watanabe
  in album: Sing Me Home
    type: MusicAlbum
    date published: 2016-04-22
  isrc code: USQX91503147
track: Madhoushi (feat. Shujaat Khan)
  type: MusicRecording
  duration: PT9M36S
  duration ms: 576026
  explicit: false
  by artist: Vilayat Khan
  by artist: Silkroad Ensemble
  by artist: Shujaat Khan
  in album: Sing Me Home
  isrc code: USQX91503149
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Wedding (feat. Dima Orsho)
track: Going Home (feat. Abigail Washburn)
track: Cabaliño (feat. Anxo Pintos, Davide Salvado & Roberto Comesaña)
track: St. James Infirmary Blues (feat. Rhiannon Giddens, Michael Ward-Bergeman & Reylon Yount)
track: If You Shall Return... (feat. Bill Frisell)
track: Heart and Soul (feat. Lisa Fischer & Gregory Porter)

Shujaat Khan
type: MusicGroup

Sing Me Home
type: MusicAlbum
date published: 2016-04-22

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-21T21:48:41+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x20339df00c37f255be3cf3dca9c3684010382d14f9f962462dc764e3aa5c7612

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/6CzXxrfJAerssyRlxe9jQr.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6CzXxrfJAerssyRlxe9jQr

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x20339df00c37f255be3cf3dca9c3684010382d14f9f962462dc764e3aa5c7612","isrc":"USQX91503149","name":"Madhoushi (feat. Shujaat Khan)","registered_at":"2026-06-21T21:48:41Z","spotify_id":"6CzXxrfJAerssyRlxe9jQr","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20339df00c37f255be3cf3dca9c3684010382d14f9f962462dc764e3aa5c7612. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6CzXxrfJAerssyRlxe9jQr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6CzXxrfJAerssyRlxe9jQr.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x20339df00c37f255be3cf3dca9c3684010382d14f9f962462dc764e3aa5c7612","isrc":"USQX91503149","name":"Madhoushi (feat. Shujaat Khan)","registered_at":"2026-06-21T21:48:41Z","spotify_id":"6CzXxrfJAerssyRlxe9jQr","type":"track"}

Wedding (feat. Dima Orsho)
type: MusicRecording
duration: PT6M7S
duration ms: 367533
explicit: false
by artist: Kinan Azmeh
by artist: Silkroad Ensemble
by artist: Dima Orsho
in album: Sing Me Home
  type: MusicAlbum
  date published: 2016-04-22
isrc code: USQX91503146

Going Home (feat. Abigail Washburn)
type: MusicRecording
duration: PT5M31S
duration ms: 331906
explicit: false
by artist: Antonín Dvořák
by artist: Silkroad Ensemble
by artist: Yo-Yo Ma
by artist: Abigail Washburn
in album: Sing Me Home
  type: MusicAlbum
  date published: 2016-04-22
isrc code: USQX91503150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:43:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x135cc400cb2392ad32b287ccc51c881f423d73232bb8617c52ef60699c414b67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0Dpg3nvsJPLtVaR4fMLAFH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Dpg3nvsJPLtVaR4fMLAFH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x135cc400cb2392ad32b287ccc51c881f423d73232bb8617c52ef60699c414b67","isrc":"USQX91503150","name":"Going Home (feat. Abigail Washburn)","registered_at":"2026-06-17T22:43:55Z","spotify_id":"0Dpg3nvsJPLtVaR4fMLAFH","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x135cc400cb2392ad32b287ccc51c881f423d73232bb8617c52ef60699c414b67. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Dpg3nvsJPLtVaR4fMLAFH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Dpg3nvsJPLtVaR4fMLAFH.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x135cc400cb2392ad32b287ccc51c881f423d73232bb8617c52ef60699c414b67","isrc":"USQX91503150","name":"Going Home (feat. Abigail Washburn)","registered_at":"2026-06-17T22:43:55Z","spotify_id":"0Dpg3nvsJPLtVaR4fMLAFH","type":"track"}

Cabaliño (feat. Anxo Pintos, Davide Salvado & Roberto Comesaña)
type: MusicRecording
duration: PT7M41S
duration ms: 461733
explicit: false
by artist: Traditional
by artist: Silkroad Ensemble
by artist: Yo-Yo Ma
by artist: Anxo Pintos
by artist: Davide Salvado
by artist: Roberto Comesaña
in album: Sing Me Home
  type: MusicAlbum
  date published: 2016-04-22
isrc code: USQX91503151

St. James Infirmary Blues (feat. Rhiannon Giddens, Michael Ward-Bergeman & Reylon Yount)
type: MusicRecording
duration: PT7M23S
duration ms: 443200
explicit: false
by artist: Traditional
by artist: Silkroad Ensemble
by artist: Yo-Yo Ma
by artist: Rhiannon Giddens
by artist: Michael Ward-Bergeman
by artist: Reylon Yount
in album: Sing Me Home
  type: MusicAlbum
  date published: 2016-04-22
isrc code: USQX91503152
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:48:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b758de27bd8d92bfae55dd29be181443b91b40948a1e5c8fe7ef7165193e0c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4YY43IZ2JtGoYwiBQL0CLr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4YY43IZ2JtGoYwiBQL0CLr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b758de27bd8d92bfae55dd29be181443b91b40948a1e5c8fe7ef7165193e0c5","isrc":"USQX91503152","name":"St. James Infirmary Blues (feat. Rhiannon Giddens, Michael Ward-Bergeman & Reylon Yount)","registered_at":"2026-06-21T21:48:12Z","spotify_id":"4YY43IZ2JtGoYwiBQL0CLr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b758de27bd8d92bfae55dd29be181443b91b40948a1e5c8fe7ef7165193e0c5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4YY43IZ2JtGoYwiBQL0CLr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4YY43IZ2JtGoYwiBQL0CLr.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x9b758de27bd8d92bfae55dd29be181443b91b40948a1e5c8fe7ef7165193e0c5","isrc":"USQX91503152","name":"St. James Infirmary Blues (feat. Rhiannon Giddens, Michael Ward-Bergeman & Reylon Yount)","registered_at":"2026-06-21T21:48:12Z","spotify_id":"4YY43IZ2JtGoYwiBQL0CLr","type":"track"}

If You Shall Return... (feat. Bill Frisell)
type: MusicRecording
duration: PT6M49S
duration ms: 409946
explicit: false
by artist: Sandeep Das
by artist: Kojiro Umezaki
by artist: Jianbing Hu
by artist: Silkroad Ensemble
by artist: Bill Frisell
in album: Sing Me Home
  type: MusicAlbum
  date published: 2016-04-22
isrc code: USQX91503153

Heart and Soul (feat. Lisa Fischer & Gregory Porter)
type: MusicRecording
duration: PT3M56S
duration ms: 236853
explicit: false
by artist: Hoagy Carmichael
by artist: Silkroad Ensemble
by artist: Yo-Yo Ma
by artist: Lisa Fischer
by artist: Gregory Porter
in album: Sing Me Home
  type: MusicAlbum
  date published: 2016-04-22
isrc code: USQX91503154
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T02:37:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3219a22d0107c80deb9ed9e1957db64c0a4a2fdf36ef793caaa1d16b3075c046
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1YCyKjt8x3RFzXVM6XvUs5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YCyKjt8x3RFzXVM6XvUs5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3219a22d0107c80deb9ed9e1957db64c0a4a2fdf36ef793caaa1d16b3075c046","isrc":"USQX91503154","name":"Heart and Soul (feat. Lisa Fischer & Gregory Porter)","registered_at":"2026-06-08T02:37:54Z","spotify_id":"1YCyKjt8x3RFzXVM6XvUs5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3219a22d0107c80deb9ed9e1957db64c0a4a2fdf36ef793caaa1d16b3075c046. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1YCyKjt8x3RFzXVM6XvUs5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YCyKjt8x3RFzXVM6XvUs5.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x3219a22d0107c80deb9ed9e1957db64c0a4a2fdf36ef793caaa1d16b3075c046","isrc":"USQX91503154","name":"Heart and Soul (feat. Lisa Fischer & Gregory Porter)","registered_at":"2026-06-08T02:37:54Z","spotify_id":"1YCyKjt8x3RFzXVM6XvUs5","type":"track"}

Songs from the Arc of Life
type: MusicAlbum
date published: 2015-09-18
track: Ave Maria
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163266
  explicit: false
  by artist: Charles Gounod
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life
    type: MusicAlbum
    date published: 2015-09-18
  isrc code: USQX91500811
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T21:55:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7f1861e5c790fa41446ce6c2631227bc8d074bb144709f84dea5b63ba79c4519
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2kyEgPaAW8wdpvevPnkf0Z.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2kyEgPaAW8wdpvevPnkf0Z
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7f1861e5c790fa41446ce6c2631227bc8d074bb144709f84dea5b63ba79c4519","isrc":"USQX91500811","name":"Ave Maria","registered_at":"2026-06-01T21:55:23Z","spotify_id":"2kyEgPaAW8wdpvevPnkf0Z","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1861e5c790fa41446ce6c2631227bc8d074bb144709f84dea5b63ba79c4519. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2kyEgPaAW8wdpvevPnkf0Z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2kyEgPaAW8wdpvevPnkf0Z.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x7f1861e5c790fa41446ce6c2631227bc8d074bb144709f84dea5b63ba79c4519","isrc":"USQX91500811","name":"Ave Maria","registered_at":"2026-06-01T21:55:23Z","spotify_id":"2kyEgPaAW8wdpvevPnkf0Z","type":"track"}
track: Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109800
  explicit: false
  by artist: Johannes Brahms
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life
    type: MusicAlbum
    date published: 2015-09-18
  isrc code: USQX91500812
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T15:12:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa5b0cf0f5b7626cb29a36f99f3b8c6a35569d7c2a8531f8760c6aaef0b2eac13
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/59cPOVxrn3Yjwydl1pullI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/59cPOVxrn3Yjwydl1pullI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa5b0cf0f5b7626cb29a36f99f3b8c6a35569d7c2a8531f8760c6aaef0b2eac13","isrc":"USQX91500812","name":"Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]","registered_at":"2026-06-01T15:12:00Z","spotify_id":"59cPOVxrn3Yjwydl1pullI","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5b0cf0f5b7626cb29a36f99f3b8c6a35569d7c2a8531f8760c6aaef0b2eac13. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/59cPOVxrn3Yjwydl1pullI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/59cPOVxrn3Yjwydl1pullI.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xa5b0cf0f5b7626cb29a36f99f3b8c6a35569d7c2a8531f8760c6aaef0b2eac13","isrc":"USQX91500812","name":"Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]","registered_at":"2026-06-01T15:12:00Z","spotify_id":"59cPOVxrn3Yjwydl1pullI","type":"track"}
track: Songs My Mother Taught Me (from "Gypsy Songs", Op. 55, No. 4)
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116920
  explicit: false
  by artist: Antonín Dvořák
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life
    type: MusicAlbum
    date published: 2015-09-18
  isrc code: USQX91500813
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T10:14:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc8d22eeb1a8175d2f7a43aada1000d77da6b77d3a1e53c9e173b1a1335b9a64b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0q4XPi4qT3dFf4sO5QflQm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0q4XPi4qT3dFf4sO5QflQm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc8d22eeb1a8175d2f7a43aada1000d77da6b77d3a1e53c9e173b1a1335b9a64b","isrc":"USQX91500813","name":"Songs My Mother Taught Me (from \"Gypsy Songs\", Op. 55, No. 4)","registered_at":"2026-06-04T10:14:33Z","spotify_id":"0q4XPi4qT3dFf4sO5QflQm","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8d22eeb1a8175d2f7a43aada1000d77da6b77d3a1e53c9e173b1a1335b9a64b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0q4XPi4qT3dFf4sO5QflQm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0q4XPi4qT3dFf4sO5QflQm.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xc8d22eeb1a8175d2f7a43aada1000d77da6b77d3a1e53c9e173b1a1335b9a64b","isrc":"USQX91500813","name":"Songs My Mother Taught Me (from \"Gypsy Songs\", Op. 55, No. 4)","registered_at":"2026-06-04T10:14:33Z","spotify_id":"0q4XPi4qT3dFf4sO5QflQm","type":"track"}
track: Papillon, Op. 77
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168693
  explicit: false
  by artist: Gabriel Fauré
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life
    type: MusicAlbum
    date published: 2015-09-18
  isrc code: USQX91500814
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T18:24:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcb3a3f6874348d6e3e177580ac9c99cd126844ce61641c1c5f6cf71fe364d1fe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1mWs6bhWlFUCfEkUICAeUp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1mWs6bhWlFUCfEkUICAeUp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcb3a3f6874348d6e3e177580ac9c99cd126844ce61641c1c5f6cf71fe364d1fe","isrc":"USQX91500814","name":"Papillon, Op. 77","registered_at":"2026-06-07T18:24:01Z","spotify_id":"1mWs6bhWlFUCfEkUICAeUp","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb3a3f6874348d6e3e177580ac9c99cd126844ce61641c1c5f6cf71fe364d1fe. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1mWs6bhWlFUCfEkUICAeUp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1mWs6bhWlFUCfEkUICAeUp.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xcb3a3f6874348d6e3e177580ac9c99cd126844ce61641c1c5f6cf71fe364d1fe","isrc":"USQX91500814","name":"Papillon, Op. 77","registered_at":"2026-06-07T18:24:01Z","spotify_id":"1mWs6bhWlFUCfEkUICAeUp","type":"track"}
track: Tango Jalousie
track: I. Vanitas vanitatum (from "Five Pieces in the Popular Style", Op. 102)
track: Was it a Dream?, Op. 37, No. 4
track: Après un rêve, Op. 7, No. 1
track: Salut d'Amour, Op. 12
track: Prelude No. 1 (From "Three Preludes")
track: Romance for Cello and Piano
track: La Gitana
track: Il bell'Antonio, Tema III
track: The Carnival of the Animals, R. 125: XIII. The Swan (Arr. for Cello and Piano)
track: The Wounded Heart, Op. 34, No. 1 (From "Elegiac Melodies")
track: Valse Sentimentale, Op. 51, No. 6 (Arr. for Cello and Piano)
track: Louange à l'Éternité de Jésus (From "Quartet for the End of Time")
track: Beau Soir, L. 6
track: Ave Maria, D. 839, Op. 52, No. 6 (Ellens Gesang III from "Ein Fräulein vom See") [Arr. for Cello and Piano]

Tango Jalousie
type: MusicRecording
duration: PT3M42S
duration ms: 222320
explicit: false
by artist: Jacob Gade
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:06:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81589d3fec784800a18c4b2688bfeab5cc840d22276b67f4f501e036e02fcbb3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7CzJbeI96Gqb5ob2r2jdeA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7CzJbeI96Gqb5ob2r2jdeA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x81589d3fec784800a18c4b2688bfeab5cc840d22276b67f4f501e036e02fcbb3","isrc":"USQX91500815","name":"Tango Jalousie","registered_at":"2026-06-06T22:06:16Z","spotify_id":"7CzJbeI96Gqb5ob2r2jdeA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81589d3fec784800a18c4b2688bfeab5cc840d22276b67f4f501e036e02fcbb3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7CzJbeI96Gqb5ob2r2jdeA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7CzJbeI96Gqb5ob2r2jdeA.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x81589d3fec784800a18c4b2688bfeab5cc840d22276b67f4f501e036e02fcbb3","isrc":"USQX91500815","name":"Tango Jalousie","registered_at":"2026-06-06T22:06:16Z","spotify_id":"7CzJbeI96Gqb5ob2r2jdeA","type":"track"}

I. Vanitas vanitatum (from "Five Pieces in the Popular Style", Op. 102)
type: MusicRecording
duration: PT3M3S
duration ms: 183360
explicit: false
by artist: Robert Schumann
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500816
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:24:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa62ee5ba999fd19e9b644a53055802b6116019f39e885f5954c9a48b710b8e3b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5jwCLMS9CXg0H0T6ZZ1kEo.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5jwCLMS9CXg0H0T6ZZ1kEo
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa62ee5ba999fd19e9b644a53055802b6116019f39e885f5954c9a48b710b8e3b","isrc":"USQX91500816","name":"I. Vanitas vanitatum (from \"Five Pieces in the Popular Style\", Op. 102)","registered_at":"2026-06-08T10:24:18Z","spotify_id":"5jwCLMS9CXg0H0T6ZZ1kEo","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa62ee5ba999fd19e9b644a53055802b6116019f39e885f5954c9a48b710b8e3b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5jwCLMS9CXg0H0T6ZZ1kEo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5jwCLMS9CXg0H0T6ZZ1kEo.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xa62ee5ba999fd19e9b644a53055802b6116019f39e885f5954c9a48b710b8e3b","isrc":"USQX91500816","name":"I. Vanitas vanitatum (from \"Five Pieces in the Popular Style\", Op. 102)","registered_at":"2026-06-08T10:24:18Z","spotify_id":"5jwCLMS9CXg0H0T6ZZ1kEo","type":"track"}

Was it a Dream?, Op. 37, No. 4
type: MusicRecording
duration: PT2M16S
duration ms: 136946
explicit: false
by artist: Jean Sibelius
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500817
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T10:18:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e1856f7abf0c724620266e434a6045855a99ded05c5504811bb000b006058d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3aRqM6RTAuvQ7po1g4bRl7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3aRqM6RTAuvQ7po1g4bRl7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4e1856f7abf0c724620266e434a6045855a99ded05c5504811bb000b006058d6","isrc":"USQX91500817","name":"Was it a Dream?, Op. 37, No. 4","registered_at":"2026-06-06T10:18:12Z","spotify_id":"3aRqM6RTAuvQ7po1g4bRl7","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1856f7abf0c724620266e434a6045855a99ded05c5504811bb000b006058d6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3aRqM6RTAuvQ7po1g4bRl7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3aRqM6RTAuvQ7po1g4bRl7.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x4e1856f7abf0c724620266e434a6045855a99ded05c5504811bb000b006058d6","isrc":"USQX91500817","name":"Was it a Dream?, Op. 37, No. 4","registered_at":"2026-06-06T10:18:12Z","spotify_id":"3aRqM6RTAuvQ7po1g4bRl7","type":"track"}

Après un rêve, Op. 7, No. 1
type: MusicRecording
duration: PT2M40S
duration ms: 160226
explicit: false
by artist: Gabriel Fauré
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500818
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-02T01:41:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe897111be5a41a63159c45fd5709c01496b829c1b7f405ac8ec873743bb78e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/05yzhEWkmVXiigqWfcNTQS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05yzhEWkmVXiigqWfcNTQS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfe897111be5a41a63159c45fd5709c01496b829c1b7f405ac8ec873743bb78e2","isrc":"USQX91500818","name":"Après un rêve, Op. 7, No. 1","registered_at":"2026-06-02T01:41:43Z","spotify_id":"05yzhEWkmVXiigqWfcNTQS","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe897111be5a41a63159c45fd5709c01496b829c1b7f405ac8ec873743bb78e2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/05yzhEWkmVXiigqWfcNTQS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05yzhEWkmVXiigqWfcNTQS.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xfe897111be5a41a63159c45fd5709c01496b829c1b7f405ac8ec873743bb78e2","isrc":"USQX91500818","name":"Après un rêve, Op. 7, No. 1","registered_at":"2026-06-02T01:41:43Z","spotify_id":"05yzhEWkmVXiigqWfcNTQS","type":"track"}

Salut d'Amour, Op. 12
type: MusicRecording
duration: PT2M44S
duration ms: 164680
explicit: false
by artist: Edward Elgar
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500819
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-02T01:52:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x526e52427edd25411d266c6b6d5bf7b27501ee80dad30df3c1995bb0c9be8e21
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0P7UwPB9vL74bD6gzYaKIu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0P7UwPB9vL74bD6gzYaKIu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x526e52427edd25411d266c6b6d5bf7b27501ee80dad30df3c1995bb0c9be8e21","isrc":"USQX91500819","name":"Salut d'Amour, Op. 12","registered_at":"2026-06-02T01:52:25Z","spotify_id":"0P7UwPB9vL74bD6gzYaKIu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526e52427edd25411d266c6b6d5bf7b27501ee80dad30df3c1995bb0c9be8e21. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0P7UwPB9vL74bD6gzYaKIu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0P7UwPB9vL74bD6gzYaKIu.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x526e52427edd25411d266c6b6d5bf7b27501ee80dad30df3c1995bb0c9be8e21","isrc":"USQX91500819","name":"Salut d'Amour, Op. 12","registered_at":"2026-06-02T01:52:25Z","spotify_id":"0P7UwPB9vL74bD6gzYaKIu","type":"track"}

Prelude No. 1 (From "Three Preludes")
type: MusicRecording
duration: PT1M51S
duration ms: 111120
explicit: false
by artist: George Gershwin
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:11:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10a443789c6a04793bd0a46f930a920566950617128f6a907f4d6ec62ad4b96f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6MePybbe2dvkgII6LFVLDd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MePybbe2dvkgII6LFVLDd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x10a443789c6a04793bd0a46f930a920566950617128f6a907f4d6ec62ad4b96f","isrc":"USQX91500820","name":"Prelude No. 1 (From \"Three Preludes\")","registered_at":"2026-06-08T18:11:42Z","spotify_id":"6MePybbe2dvkgII6LFVLDd","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10a443789c6a04793bd0a46f930a920566950617128f6a907f4d6ec62ad4b96f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6MePybbe2dvkgII6LFVLDd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MePybbe2dvkgII6LFVLDd.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x10a443789c6a04793bd0a46f930a920566950617128f6a907f4d6ec62ad4b96f","isrc":"USQX91500820","name":"Prelude No. 1 (From \"Three Preludes\")","registered_at":"2026-06-08T18:11:42Z","spotify_id":"6MePybbe2dvkgII6LFVLDd","type":"track"}

Romance for Cello and Piano
type: MusicRecording
duration: PT6M25S
duration ms: 385186
explicit: false
by artist: Frederick Delius
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500821
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:00:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe90f7e2a8ca1bff4c1dd6750eb8aa79d3069b48adc525e6f460b25678dce054c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6ufaxWhOW87EXsKh5TSxMp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ufaxWhOW87EXsKh5TSxMp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe90f7e2a8ca1bff4c1dd6750eb8aa79d3069b48adc525e6f460b25678dce054c","isrc":"USQX91500821","name":"Romance for Cello and Piano","registered_at":"2026-06-07T12:00:59Z","spotify_id":"6ufaxWhOW87EXsKh5TSxMp","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90f7e2a8ca1bff4c1dd6750eb8aa79d3069b48adc525e6f460b25678dce054c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ufaxWhOW87EXsKh5TSxMp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ufaxWhOW87EXsKh5TSxMp.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xe90f7e2a8ca1bff4c1dd6750eb8aa79d3069b48adc525e6f460b25678dce054c","isrc":"USQX91500821","name":"Romance for Cello and Piano","registered_at":"2026-06-07T12:00:59Z","spotify_id":"6ufaxWhOW87EXsKh5TSxMp","type":"track"}

La Gitana
type: MusicRecording
duration: PT3M32S
duration ms: 212466
explicit: false
by artist: Fritz Kreisler
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500822
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:22:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x872fbb89e9c712613b6fedea8cf7a77c7e289c5170978b617e18f066669a66f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/08SgYxvWzHYeCDnRdDCfHl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08SgYxvWzHYeCDnRdDCfHl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x872fbb89e9c712613b6fedea8cf7a77c7e289c5170978b617e18f066669a66f9","isrc":"USQX91500822","name":"La Gitana","registered_at":"2026-06-08T10:22:10Z","spotify_id":"08SgYxvWzHYeCDnRdDCfHl","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x872fbb89e9c712613b6fedea8cf7a77c7e289c5170978b617e18f066669a66f9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08SgYxvWzHYeCDnRdDCfHl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08SgYxvWzHYeCDnRdDCfHl.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x872fbb89e9c712613b6fedea8cf7a77c7e289c5170978b617e18f066669a66f9","isrc":"USQX91500822","name":"La Gitana","registered_at":"2026-06-08T10:22:10Z","spotify_id":"08SgYxvWzHYeCDnRdDCfHl","type":"track"}

Il bell'Antonio, Tema III
type: MusicRecording
duration: PT7M34S
duration ms: 454613
explicit: false
by artist: Giovanni Sollima
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500823
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T07:02:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ad9c3c04cb71729925c94d0e2e20f6c83425649209c9283aab6c7baea01fe37
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6aez5zrwxKAK8ypIPseKeu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6aez5zrwxKAK8ypIPseKeu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1ad9c3c04cb71729925c94d0e2e20f6c83425649209c9283aab6c7baea01fe37","isrc":"USQX91500823","name":"Il bell'Antonio, Tema III","registered_at":"2026-06-07T07:02:00Z","spotify_id":"6aez5zrwxKAK8ypIPseKeu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ad9c3c04cb71729925c94d0e2e20f6c83425649209c9283aab6c7baea01fe37. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6aez5zrwxKAK8ypIPseKeu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6aez5zrwxKAK8ypIPseKeu.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x1ad9c3c04cb71729925c94d0e2e20f6c83425649209c9283aab6c7baea01fe37","isrc":"USQX91500823","name":"Il bell'Antonio, Tema III","registered_at":"2026-06-07T07:02:00Z","spotify_id":"6aez5zrwxKAK8ypIPseKeu","type":"track"}

The Carnival of the Animals, R. 125: XIII. The Swan (Arr. for Cello and Piano)
type: MusicRecording
duration: PT2M54S
duration ms: 174266
explicit: false
by artist: Camille Saint-Saëns
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500824
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T08:34:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78c9e51308bea281dd13390adf98e6a99d95f912d87a4d0c8de6bdb35d9e824f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0jOnZhF75V68VsBObWx2XO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0jOnZhF75V68VsBObWx2XO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x78c9e51308bea281dd13390adf98e6a99d95f912d87a4d0c8de6bdb35d9e824f","isrc":"USQX91500824","name":"The Carnival of the Animals, R. 125: XIII. The Swan (Arr. for Cello and Piano)","registered_at":"2026-06-01T08:34:50Z","spotify_id":"0jOnZhF75V68VsBObWx2XO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c9e51308bea281dd13390adf98e6a99d95f912d87a4d0c8de6bdb35d9e824f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0jOnZhF75V68VsBObWx2XO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0jOnZhF75V68VsBObWx2XO.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x78c9e51308bea281dd13390adf98e6a99d95f912d87a4d0c8de6bdb35d9e824f","isrc":"USQX91500824","name":"The Carnival of the Animals, R. 125: XIII. The Swan (Arr. for Cello and Piano)","registered_at":"2026-06-01T08:34:50Z","spotify_id":"0jOnZhF75V68VsBObWx2XO","type":"track"}

The Wounded Heart, Op. 34, No. 1 (From "Elegiac Melodies")
type: MusicRecording
duration: PT2M29S
duration ms: 149800
explicit: false
by artist: Edvard Grieg
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500825
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:19:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf77b76856b132f7d938ac6a512be8e7ad499d43fe5dc4bc74f175f5765c6d494
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5xYXl8FKVUzk0BKpuejt0l.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xYXl8FKVUzk0BKpuejt0l
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf77b76856b132f7d938ac6a512be8e7ad499d43fe5dc4bc74f175f5765c6d494","isrc":"USQX91500825","name":"The Wounded Heart, Op. 34, No. 1 (From \"Elegiac Melodies\")","registered_at":"2026-06-08T10:19:59Z","spotify_id":"5xYXl8FKVUzk0BKpuejt0l","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77b76856b132f7d938ac6a512be8e7ad499d43fe5dc4bc74f175f5765c6d494. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xYXl8FKVUzk0BKpuejt0l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xYXl8FKVUzk0BKpuejt0l.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xf77b76856b132f7d938ac6a512be8e7ad499d43fe5dc4bc74f175f5765c6d494","isrc":"USQX91500825","name":"The Wounded Heart, Op. 34, No. 1 (From \"Elegiac Melodies\")","registered_at":"2026-06-08T10:19:59Z","spotify_id":"5xYXl8FKVUzk0BKpuejt0l","type":"track"}

Valse Sentimentale, Op. 51, No. 6 (Arr. for Cello and Piano)
type: MusicRecording
duration: PT2M17S
duration ms: 137000
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500826
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:54:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf652ae8ba2b881a14ebf7d6c1df61f6875360ded0d363f0ac9dfa9e6cf30a75c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1qe1mHUozUo7PoMBBLnr3i.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1qe1mHUozUo7PoMBBLnr3i
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf652ae8ba2b881a14ebf7d6c1df61f6875360ded0d363f0ac9dfa9e6cf30a75c","isrc":"USQX91500826","name":"Valse Sentimentale, Op. 51, No. 6 (Arr. for Cello and Piano)","registered_at":"2026-06-04T11:54:42Z","spotify_id":"1qe1mHUozUo7PoMBBLnr3i","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf652ae8ba2b881a14ebf7d6c1df61f6875360ded0d363f0ac9dfa9e6cf30a75c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1qe1mHUozUo7PoMBBLnr3i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1qe1mHUozUo7PoMBBLnr3i.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xf652ae8ba2b881a14ebf7d6c1df61f6875360ded0d363f0ac9dfa9e6cf30a75c","isrc":"USQX91500826","name":"Valse Sentimentale, Op. 51, No. 6 (Arr. for Cello and Piano)","registered_at":"2026-06-04T11:54:42Z","spotify_id":"1qe1mHUozUo7PoMBBLnr3i","type":"track"}

Louange à l'Éternité de Jésus (From "Quartet for the End of Time")
type: MusicRecording
duration: PT10M17S
duration ms: 617906
explicit: false
by artist: Olivier Messiaen
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500827
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T17:29:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb4c194b92b8c052e2f73225c60237c320464ecbd14a8458ba871bc9618f6f97
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1HMUl1cfGMbIdMUOCT42D6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1HMUl1cfGMbIdMUOCT42D6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfb4c194b92b8c052e2f73225c60237c320464ecbd14a8458ba871bc9618f6f97","isrc":"USQX91500827","name":"Louange à l'Éternité de Jésus (From \"Quartet for the End of Time\")","registered_at":"2026-06-08T17:29:02Z","spotify_id":"1HMUl1cfGMbIdMUOCT42D6","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4c194b92b8c052e2f73225c60237c320464ecbd14a8458ba871bc9618f6f97. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1HMUl1cfGMbIdMUOCT42D6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1HMUl1cfGMbIdMUOCT42D6.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xfb4c194b92b8c052e2f73225c60237c320464ecbd14a8458ba871bc9618f6f97","isrc":"USQX91500827","name":"Louange à l'Éternité de Jésus (From \"Quartet for the End of Time\")","registered_at":"2026-06-08T17:29:02Z","spotify_id":"1HMUl1cfGMbIdMUOCT42D6","type":"track"}

Beau Soir, L. 6
type: MusicRecording
duration: PT2M31S
duration ms: 151226
explicit: false
by artist: Claude Debussy
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500828
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T20:24:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x878b13187a1c69258913d96d6427fe1f5238dd7ddcac74ebeaac5f531811015d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2eSK6jy4LLth6hLBvYptJl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eSK6jy4LLth6hLBvYptJl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x878b13187a1c69258913d96d6427fe1f5238dd7ddcac74ebeaac5f531811015d","isrc":"USQX91500828","name":"Beau Soir, L. 6","registered_at":"2026-06-05T20:24:12Z","spotify_id":"2eSK6jy4LLth6hLBvYptJl","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878b13187a1c69258913d96d6427fe1f5238dd7ddcac74ebeaac5f531811015d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2eSK6jy4LLth6hLBvYptJl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eSK6jy4LLth6hLBvYptJl.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x878b13187a1c69258913d96d6427fe1f5238dd7ddcac74ebeaac5f531811015d","isrc":"USQX91500828","name":"Beau Soir, L. 6","registered_at":"2026-06-05T20:24:12Z","spotify_id":"2eSK6jy4LLth6hLBvYptJl","type":"track"}

Ave Maria, D. 839, Op. 52, No. 6 (Ellens Gesang III from "Ein Fräulein vom See") [Arr. for Cello and Piano]
type: MusicRecording
duration: PT4M14S
duration ms: 254920
explicit: false
by artist: Franz Schubert
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life
  type: MusicAlbum
  date published: 2015-09-18
isrc code: USQX91500829
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:35:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcbc82d9776b0c260de0212f2abb772a0ba23fa89592298136661b7fe1546c4a3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1Lyf6eFKuaF88gCtNu2bHy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Lyf6eFKuaF88gCtNu2bHy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcbc82d9776b0c260de0212f2abb772a0ba23fa89592298136661b7fe1546c4a3","isrc":"USQX91500829","name":"Ave Maria, D. 839, Op. 52, No. 6 (Ellens Gesang III from \"Ein Fräulein vom See\") [Arr. for Cello and Piano]","registered_at":"2026-06-06T01:35:32Z","spotify_id":"1Lyf6eFKuaF88gCtNu2bHy","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbc82d9776b0c260de0212f2abb772a0ba23fa89592298136661b7fe1546c4a3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Lyf6eFKuaF88gCtNu2bHy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Lyf6eFKuaF88gCtNu2bHy.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xcbc82d9776b0c260de0212f2abb772a0ba23fa89592298136661b7fe1546c4a3","isrc":"USQX91500829","name":"Ave Maria, D. 839, Op. 52, No. 6 (Ellens Gesang III from \"Ein Fräulein vom See\") [Arr. for Cello and Piano]","registered_at":"2026-06-06T01:35:32Z","spotify_id":"1Lyf6eFKuaF88gCtNu2bHy","type":"track"}

Songs from the Arc of Life (Track by Track Commentary)
type: MusicAlbum
date published: 2015-09-17
track: Ave Maria (Bach/ Gounod) - Commentary
  type: MusicRecording
  duration: PT1M38S
  duration ms: 98807
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502165
track: Lullaby (Brahms) - Commentary
  type: MusicRecording
  duration: PT0M50S
  duration ms: 50508
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502166
track: Songs My Mother Taught Me (Dvorák) - Commentary
  type: MusicRecording
  duration: PT1M34S
  duration ms: 94302
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502167
track: Papillon (Fauré) - Commentary
  type: MusicRecording
  duration: PT1M28S
  duration ms: 88046
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502168
track: Tango Jalousie (Gade) - Commentary
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120120
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502169
track: I. Vanitas vanitatum (Schumann) - Commentary
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121454
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502170
track: Was it a Dream? (Sibelius) - Commentary
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118743
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502171
track: Après un rêve (Fauré) - Commentary
  type: MusicRecording
  duration: PT1M42S
  duration ms: 102769
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502172
track: Salut d'amour (Elgar) - Commentary
  type: MusicRecording
  duration: PT1M34S
  duration ms: 94886
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502173
track: Prelude No. 1 (Gershwin) - Commentary
  type: MusicRecording
  duration: PT0M56S
  duration ms: 56347
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502174
track: Romance for Cello and Piano (Delius) - Commentary
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115031
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502175
track: La Gitana (Kreisler) - Commentary
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117784
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502176
track: Il bell'Antonio (Sollima) - Commentary
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168710
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502177
track: The Swan (Saint-Saëns) - Commentary
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124958
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502178
track: The Wounded Heart (Grieg) - Commentary
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126751
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502179
track: Valse Sentimental (Tchaikovsky) - Commentary
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121996
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502180
track: Louange à l'éternité de Jésus (Messiaen) - Commentary
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164455
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502181
track: Beau Soir (Debussy) - Commentary
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178011
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Kathryn Stott
  in album: Songs from the Arc of Life (Track by Track Commentary)
    type: MusicAlbum
    date published: 2015-09-17
  isrc code: USQX91502182
track: Ave Maria (Schubert) - Commentary

Ave Maria (Schubert) - Commentary
type: MusicRecording
duration: PT1M45S
duration ms: 105063
explicit: false
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Songs from the Arc of Life (Track by Track Commentary)
  type: MusicAlbum
  date published: 2015-09-17
isrc code: USQX91502183

A Playlist Without Borders
type: MusicAlbum
date published: 2013-09-20
track: Playlist For An Extreme Occasion: Part Zero
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92853
  explicit: false
  by artist: Vijay Iyer
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303603
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T10:29:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x042e3c50941f0c817c65abbc0916c60c4b72c8fb0a27cd4fb9e2b7242080d9ef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956351
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6u0dILc42ZRB20CCvBjW2k.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6u0dILc42ZRB20CCvBjW2k
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x042e3c50941f0c817c65abbc0916c60c4b72c8fb0a27cd4fb9e2b7242080d9ef","isrc":"USSM11303603","name":"Playlist For An Extreme Occasion: Part Zero","registered_at":"2026-06-27T10:29:40Z","spotify_id":"6u0dILc42ZRB20CCvBjW2k","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x042e3c50941f0c817c65abbc0916c60c4b72c8fb0a27cd4fb9e2b7242080d9ef. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6u0dILc42ZRB20CCvBjW2k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6u0dILc42ZRB20CCvBjW2k.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x042e3c50941f0c817c65abbc0916c60c4b72c8fb0a27cd4fb9e2b7242080d9ef","isrc":"USSM11303603","name":"Playlist For An Extreme Occasion: Part Zero","registered_at":"2026-06-27T10:29:40Z","spotify_id":"6u0dILc42ZRB20CCvBjW2k","type":"track"}
track: Playlist For An Extreme Occasion: Part One
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113440
  explicit: false
  by artist: Vijay Iyer
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303604
track: Playlist For An Extreme Occasion: Part Two
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218160
  explicit: false
  by artist: Vijay Iyer
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303605
track: Playlist For An Extreme Occasion: Part Three
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126173
  explicit: false
  by artist: Vijay Iyer
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303606
track: Playlist For An Extreme Occasion: Part Four
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149693
  explicit: false
  by artist: Vijay Iyer
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303607
track: Playlist For An Extreme Occasion: Part Five
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181786
  explicit: false
  by artist: Vijay Iyer
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303608
track: Playlist For An Extreme Occasion: Cristina's Interlude
  type: MusicRecording
  duration: PT0M37S
  duration ms: 37026
  explicit: false
  by artist: Vijay Iyer
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303609
track: Playlist For An Extreme Occasion: Part Six
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162093
  explicit: false
  by artist: Vijay Iyer
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303610
track: Night Thoughts
  type: MusicRecording
  duration: PT6M14S
  duration ms: 374226
  explicit: false
  by artist: Wu Man
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303611
track: Saidi Swing
  type: MusicRecording
  duration: PT7M30S
  duration ms: 450480
  explicit: false
  by artist: Shane Shanahan
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303612
track: Allegretto from Partita, Op. 31, for Cello Solo
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214440
  explicit: false
  by artist: Ahmet Adnan Saygun
  by artist: Yo-Yo Ma
  by artist: Silkroad Ensemble
  in album: A Playlist Without Borders
    type: MusicAlbum
    date published: 2013-09-20
  isrc code: USSM11303613
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T08:49:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd3d11c2c084f8d4dc71dfcfe18e7ac33a8a5d578a2fd94d9cbab0f260c2c3f99
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4NDgNxvpTsrKGmlSCGWYc6.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4NDgNxvpTsrKGmlSCGWYc6
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd3d11c2c084f8d4dc71dfcfe18e7ac33a8a5d578a2fd94d9cbab0f260c2c3f99","isrc":"USSM11303613","name":"Allegretto from Partita, Op. 31, for Cello Solo","registered_at":"2026-06-23T08:49:36Z","spotify_id":"4NDgNxvpTsrKGmlSCGWYc6","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d11c2c084f8d4dc71dfcfe18e7ac33a8a5d578a2fd94d9cbab0f260c2c3f99. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4NDgNxvpTsrKGmlSCGWYc6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4NDgNxvpTsrKGmlSCGWYc6.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xd3d11c2c084f8d4dc71dfcfe18e7ac33a8a5d578a2fd94d9cbab0f260c2c3f99","isrc":"USSM11303613","name":"Allegretto from Partita, Op. 31, for Cello Solo","registered_at":"2026-06-23T08:49:36Z","spotify_id":"4NDgNxvpTsrKGmlSCGWYc6","type":"track"}
track: Atashgah
track: Cut The Rug: Drag The Goat
track: Cut The Rug: Bury The Hatchet
track: Cut The Rug: Move The Earth
track: Cut The Rug: Wake The Dead
track: Briel

Atashgah
type: MusicRecording
duration: PT14M0S
duration ms: 840786
explicit: false
by artist: Colin Jacobsen
by artist: Yo-Yo Ma
by artist: Silkroad Ensemble
in album: A Playlist Without Borders
  type: MusicAlbum
  date published: 2013-09-20
isrc code: USSM11303614

Cut The Rug: Drag The Goat
type: MusicRecording
duration: PT5M13S
duration ms: 313320
explicit: false
by artist: David Bruce
by artist: Yo-Yo Ma
by artist: Silkroad Ensemble
in album: A Playlist Without Borders
  type: MusicAlbum
  date published: 2013-09-20
isrc code: USSM11303616

Cut The Rug: Bury The Hatchet
type: MusicRecording
duration: PT5M35S
duration ms: 335453
explicit: false
by artist: David Bruce
by artist: Yo-Yo Ma
by artist: Silkroad Ensemble
in album: A Playlist Without Borders
  type: MusicAlbum
  date published: 2013-09-20
isrc code: USSM11303617

Cut The Rug: Move The Earth
type: MusicRecording
duration: PT9M31S
duration ms: 571186
explicit: false
by artist: David Bruce
by artist: Yo-Yo Ma
by artist: Silkroad Ensemble
in album: A Playlist Without Borders
  type: MusicAlbum
  date published: 2013-09-20
isrc code: USSM11303618

Cut The Rug: Wake The Dead
type: MusicRecording
duration: PT3M3S
duration ms: 183546
explicit: false
by artist: David Bruce
by artist: Yo-Yo Ma
by artist: Silkroad Ensemble
in album: A Playlist Without Borders
  type: MusicAlbum
  date published: 2013-09-20
isrc code: USSM11303619

Briel
type: MusicRecording
duration: PT3M58S
duration ms: 238453
explicit: false
by artist: John Zorn
by artist: Yo-Yo Ma
by artist: Silkroad Ensemble
in album: A Playlist Without Borders
  type: MusicAlbum
  date published: 2013-09-20
isrc code: USSM11303620

Impressions
type: MusicAlbum
date published: 2011-01-10
track: Cello Concerto No. 2 in D Major, Hob. VIIb:2: III. Rondo. Allegro
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262266
  explicit: false
  by artist: Joseph Haydn
  by artist: Yo-Yo Ma
  by artist: English Chamber Orchestra
  by artist: José-Luis Garcia
  in album: Impressions
    type: MusicAlbum
    date published: 2011-01-10
  isrc code: USSM10411836
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T23:31:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd675f6ce3f92de1450d0d7c1f1b0fd43c3b16ba6f047cb0b3eb1caf4430be044
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0TO0CgU8LtWjBkw8R598sc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TO0CgU8LtWjBkw8R598sc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd675f6ce3f92de1450d0d7c1f1b0fd43c3b16ba6f047cb0b3eb1caf4430be044","isrc":"USSM10411836","name":"Cello Concerto No. 2 in D Major, Hob. VIIb:2: III. Rondo. Allegro","registered_at":"2026-06-20T23:31:01Z","spotify_id":"0TO0CgU8LtWjBkw8R598sc","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd675f6ce3f92de1450d0d7c1f1b0fd43c3b16ba6f047cb0b3eb1caf4430be044. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0TO0CgU8LtWjBkw8R598sc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TO0CgU8LtWjBkw8R598sc.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xd675f6ce3f92de1450d0d7c1f1b0fd43c3b16ba6f047cb0b3eb1caf4430be044","isrc":"USSM10411836","name":"Cello Concerto No. 2 in D Major, Hob. VIIb:2: III. Rondo. Allegro","registered_at":"2026-06-20T23:31:01Z","spotify_id":"0TO0CgU8LtWjBkw8R598sc","type":"track"}
track: Libertango
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189160
  explicit: false
  by artist: Astor Piazzolla
  by artist: Yo-Yo Ma
  by artist: Horacio Malvicino
  by artist: Leonardo Marconi
  by artist: Antonio Agri
  by artist: Hector Console
  by artist: Néstor Marconi
  by artist: Jorge Calandrelli
  in album: Impressions
    type: MusicAlbum
    date published: 2011-01-10
  isrc code: USSM19702281
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T07:42:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd13534a014285f7f95d6b4e39d81ecf99d8089b52da7f4274335b8cb20461b34
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/02PGj0bZLPMxk39oAOON7x.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/02PGj0bZLPMxk39oAOON7x
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd13534a014285f7f95d6b4e39d81ecf99d8089b52da7f4274335b8cb20461b34. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/02PGj0bZLPMxk39oAOON7x.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/02PGj0bZLPMxk39oAOON7x.
    date published: 2026-07-02T03:30:09Z
track: Unaccompanied Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136200
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Yo-Yo Ma
  in album: Impressions
    type: MusicAlbum
    date published: 2011-01-10
  isrc code: USSM19605320
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T19:25:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb21139799bed211996fb8c770a7a52b820b3548eece33207ae113c4e7529b054
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0yN3y2jpx6NbYqlc4hjids.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yN3y2jpx6NbYqlc4hjids
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb21139799bed211996fb8c770a7a52b820b3548eece33207ae113c4e7529b054","isrc":"USSM19605320","name":"Unaccompanied Cello Suite No. 1 in G Major, BWV 1007: I. Prélude","registered_at":"2026-06-07T19:25:54Z","spotify_id":"0yN3y2jpx6NbYqlc4hjids","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb21139799bed211996fb8c770a7a52b820b3548eece33207ae113c4e7529b054. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0yN3y2jpx6NbYqlc4hjids.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yN3y2jpx6NbYqlc4hjids.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xb21139799bed211996fb8c770a7a52b820b3548eece33207ae113c4e7529b054","isrc":"USSM19605320","name":"Unaccompanied Cello Suite No. 1 in G Major, BWV 1007: I. Prélude","registered_at":"2026-06-07T19:25:54Z","spotify_id":"0yN3y2jpx6NbYqlc4hjids","type":"track"}
track: Ave Maria
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156186
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Charles Gounod
  by artist: Yo-Yo Ma
  by artist: Bobby McFerrin
  in album: Impressions
    type: MusicAlbum
    date published: 2011-01-10
  isrc code: USSM10014167
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T06:05:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe371d04f86535df1a397bbe3d962308e030062b5cbf4584b23daf52e54438cee
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1nefGEeQ5C1L8oVxl3gbu5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1nefGEeQ5C1L8oVxl3gbu5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe371d04f86535df1a397bbe3d962308e030062b5cbf4584b23daf52e54438cee","isrc":"USSM10014167","name":"Ave Maria","registered_at":"2026-06-11T06:05:29Z","spotify_id":"1nefGEeQ5C1L8oVxl3gbu5","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe371d04f86535df1a397bbe3d962308e030062b5cbf4584b23daf52e54438cee. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1nefGEeQ5C1L8oVxl3gbu5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1nefGEeQ5C1L8oVxl3gbu5.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xe371d04f86535df1a397bbe3d962308e030062b5cbf4584b23daf52e54438cee","isrc":"USSM10014167","name":"Ave Maria","registered_at":"2026-06-11T06:05:29Z","spotify_id":"1nefGEeQ5C1L8oVxl3gbu5","type":"track"}
track: 3 Old Viennese Dances: II. Liebesleid
track: Touch the Hand of Love
track: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
track: Sergio Leone Suite: Ecstasy of Gold from "The Good, the Bad, and the Ugly"
track: Arpeggione Sonata in A Minor, D. 821: I. Allegro moderato
track: Love of My Life (From "The Pirate")
track: Cantata, BWV 147: Jesus bleibet meine Freude
track: The Mission: Gabriel's Oboe
track: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
track: First Impressions
track: Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto
track: No. 3 Miero vuotti uutta kuuta from Five Finnish Folk Songs - Edited Version
track: Carnival of the Animals, R. 125: The Swan
track: Lady Caliph: Dinner
track: Piano Quintet in A Major, D. 667, Op. 114 "Trout": IV. Tema con variazioni
track: Wapango - Live
track: Cello Concerto in A Minor, Op. 129: III. Sehr lebhaft
track: Joy to the World
track: The Eternal Vow
track: Seven Years in Tibet

3 Old Viennese Dances: II. Liebesleid
type: MusicRecording
duration: PT3M33S
duration ms: 213920
explicit: false
by artist: Fritz Kreisler
by artist: Yo-Yo Ma
by artist: Patricia Zander
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10008952
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:42:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6bbbd60326d09c05f474a5d4e02d391b43d1116145ad25e8dc031e6329e82aee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/51idy9jbEq4nutHtEQtE0m.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/51idy9jbEq4nutHtEQtE0m
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6bbbd60326d09c05f474a5d4e02d391b43d1116145ad25e8dc031e6329e82aee","isrc":"USSM10008952","name":"3 Old Viennese Dances: II. Liebesleid","registered_at":"2026-06-09T16:42:48Z","spotify_id":"51idy9jbEq4nutHtEQtE0m","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bbbd60326d09c05f474a5d4e02d391b43d1116145ad25e8dc031e6329e82aee. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/51idy9jbEq4nutHtEQtE0m.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/51idy9jbEq4nutHtEQtE0m.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x6bbbd60326d09c05f474a5d4e02d391b43d1116145ad25e8dc031e6329e82aee","isrc":"USSM10008952","name":"3 Old Viennese Dances: II. Liebesleid","registered_at":"2026-06-09T16:42:48Z","spotify_id":"51idy9jbEq4nutHtEQtE0m","type":"track"}

Touch the Hand of Love
type: MusicRecording
duration: PT4M33S
duration ms: 273880
explicit: false
by artist: Blossom Dearie
by artist: Renée Fleming
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Jonathan Gandelsman
by artist: Nicholas Cords
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10802794

Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
type: MusicRecording
duration: PT4M58S
duration ms: 298240
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Ton Koopman
by artist: Amsterdam Baroque Orchestra
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM19805585
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:25:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f76d3deff0505264de3858302aca87612cefb7d2b2ff80c77ad7da83873e05e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3J4buzDHOQKS1x0U2sEhJS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3J4buzDHOQKS1x0U2sEhJS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9f76d3deff0505264de3858302aca87612cefb7d2b2ff80c77ad7da83873e05e","isrc":"USSM19805585","name":"Orchestral Suite No. 3 in D Major, BWV 1068: II. Air","registered_at":"2026-06-20T04:25:01Z","spotify_id":"3J4buzDHOQKS1x0U2sEhJS","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f76d3deff0505264de3858302aca87612cefb7d2b2ff80c77ad7da83873e05e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3J4buzDHOQKS1x0U2sEhJS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3J4buzDHOQKS1x0U2sEhJS.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x9f76d3deff0505264de3858302aca87612cefb7d2b2ff80c77ad7da83873e05e","isrc":"USSM19805585","name":"Orchestral Suite No. 3 in D Major, BWV 1068: II. Air","registered_at":"2026-06-20T04:25:01Z","spotify_id":"3J4buzDHOQKS1x0U2sEhJS","type":"track"}

Sergio Leone Suite: Ecstasy of Gold from "The Good, the Bad, and the Ugly"
type: MusicRecording
duration: PT3M58S
duration ms: 238026
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10412235
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T08:19:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35ccc7d47ac1661f8415b882674f39551373aef2f4a26cb3057a529edf1ab61f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3WFQdcoCkeCQWelTUhRr7V.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WFQdcoCkeCQWelTUhRr7V
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x35ccc7d47ac1661f8415b882674f39551373aef2f4a26cb3057a529edf1ab61f","isrc":"USSM10412235","name":"Sergio Leone Suite: Ecstasy of Gold from \"The Good, the Bad, and the Ugly\"","registered_at":"2026-06-05T08:19:11Z","spotify_id":"3WFQdcoCkeCQWelTUhRr7V","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ccc7d47ac1661f8415b882674f39551373aef2f4a26cb3057a529edf1ab61f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3WFQdcoCkeCQWelTUhRr7V.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WFQdcoCkeCQWelTUhRr7V.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x35ccc7d47ac1661f8415b882674f39551373aef2f4a26cb3057a529edf1ab61f","isrc":"USSM10412235","name":"Sergio Leone Suite: Ecstasy of Gold from \"The Good, the Bad, and the Ugly\"","registered_at":"2026-06-05T08:19:11Z","spotify_id":"3WFQdcoCkeCQWelTUhRr7V","type":"track"}

Arpeggione Sonata in A Minor, D. 821: I. Allegro moderato
type: MusicRecording
duration: PT11M5S
duration ms: 665933
explicit: false
by artist: Franz Schubert
by artist: Yo-Yo Ma
by artist: Emanuel Ax
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM19504229
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:22:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ef1b3e23966a1d52954ac69302ac04928b06241b865116aaaaeaaf8c3717be1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7jeaBa51CV7IOmnf8GqllX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7jeaBa51CV7IOmnf8GqllX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2ef1b3e23966a1d52954ac69302ac04928b06241b865116aaaaeaaf8c3717be1","isrc":"USSM19504229","name":"Arpeggione Sonata in A Minor, D. 821: I. Allegro moderato","registered_at":"2026-06-20T04:22:39Z","spotify_id":"7jeaBa51CV7IOmnf8GqllX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef1b3e23966a1d52954ac69302ac04928b06241b865116aaaaeaaf8c3717be1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7jeaBa51CV7IOmnf8GqllX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7jeaBa51CV7IOmnf8GqllX.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x2ef1b3e23966a1d52954ac69302ac04928b06241b865116aaaaeaaf8c3717be1","isrc":"USSM19504229","name":"Arpeggione Sonata in A Minor, D. 821: I. Allegro moderato","registered_at":"2026-06-20T04:22:39Z","spotify_id":"7jeaBa51CV7IOmnf8GqllX","type":"track"}

Love of My Life (From "The Pirate")
type: MusicRecording
duration: PT3M46S
duration ms: 226200
explicit: false
by artist: Richard Rodgers
by artist: Yo-Yo Ma
by artist: Stéphane Grappelli
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM18900865

Cantata, BWV 147: Jesus bleibet meine Freude
type: MusicRecording
duration: PT2M40S
duration ms: 160893
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM19805579
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:55:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b1538517020fba8d4ea03bfcdaa6de4960483c1718e1c3b2a99e09943cf4797
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7hAK6hCuE4f1341Cn1Hqmq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7hAK6hCuE4f1341Cn1Hqmq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0b1538517020fba8d4ea03bfcdaa6de4960483c1718e1c3b2a99e09943cf4797","isrc":"USSM19805579","name":"Cantata, BWV 147: Jesus bleibet meine Freude","registered_at":"2026-06-10T02:55:22Z","spotify_id":"7hAK6hCuE4f1341Cn1Hqmq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b1538517020fba8d4ea03bfcdaa6de4960483c1718e1c3b2a99e09943cf4797. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7hAK6hCuE4f1341Cn1Hqmq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7hAK6hCuE4f1341Cn1Hqmq.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x0b1538517020fba8d4ea03bfcdaa6de4960483c1718e1c3b2a99e09943cf4797","isrc":"USSM19805579","name":"Cantata, BWV 147: Jesus bleibet meine Freude","registered_at":"2026-06-10T02:55:22Z","spotify_id":"7hAK6hCuE4f1341Cn1Hqmq","type":"track"}

The Mission: Gabriel's Oboe
type: MusicRecording
duration: PT3M18S
duration ms: 198506
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10412223
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-02T00:44:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa37f1e7d0c13b2a9b2ee6c133bce22dc421e5e78ac0d042bd4f345b0d010a407
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7tcsTOVLhlfSRVSENigyVj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tcsTOVLhlfSRVSENigyVj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa37f1e7d0c13b2a9b2ee6c133bce22dc421e5e78ac0d042bd4f345b0d010a407","isrc":"USSM10412223","name":"The Mission: Gabriel's Oboe","registered_at":"2026-06-02T00:44:48Z","spotify_id":"7tcsTOVLhlfSRVSENigyVj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37f1e7d0c13b2a9b2ee6c133bce22dc421e5e78ac0d042bd4f345b0d010a407. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7tcsTOVLhlfSRVSENigyVj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tcsTOVLhlfSRVSENigyVj.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xa37f1e7d0c13b2a9b2ee6c133bce22dc421e5e78ac0d042bd4f345b0d010a407","isrc":"USSM10412223","name":"The Mission: Gabriel's Oboe","registered_at":"2026-06-02T00:44:48Z","spotify_id":"7tcsTOVLhlfSRVSENigyVj","type":"track"}

The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
type: MusicRecording
duration: PT1M43S
duration ms: 103586
explicit: false
by artist: Antonio Vivaldi
by artist: Yo-Yo Ma
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10401301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T21:26:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59b0bdea11b19ec3dc12b164a2d7c59f251ce417a558650e09e4fcaf09c7ddd5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954130
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2SKwaUiqbB08fnHRgWEeDz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SKwaUiqbB08fnHRgWEeDz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:53:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x59b0bdea11b19ec3dc12b164a2d7c59f251ce417a558650e09e4fcaf09c7ddd5","isrc":"USSM10401301","name":"The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 \"Winter\": II. Largo","registered_at":"2026-06-06T21:26:34Z","spotify_id":"2SKwaUiqbB08fnHRgWEeDz","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b0bdea11b19ec3dc12b164a2d7c59f251ce417a558650e09e4fcaf09c7ddd5. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:53:52Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SKwaUiqbB08fnHRgWEeDz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SKwaUiqbB08fnHRgWEeDz.
  date published: 2026-06-17T19:53:52Z
  text: {"copyright_id":"0x59b0bdea11b19ec3dc12b164a2d7c59f251ce417a558650e09e4fcaf09c7ddd5","isrc":"USSM10401301","name":"The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 \"Winter\": II. Largo","registered_at":"2026-06-06T21:26:34Z","spotify_id":"2SKwaUiqbB08fnHRgWEeDz","type":"track"}

First Impressions
type: MusicRecording
duration: PT4M7S
duration ms: 247800
explicit: false
by artist: Edgar Meyer
by artist: Yo-Yo Ma
by artist: Mark O'Connor
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM19600842
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T17:55:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3409b967e6b87ee8038cf90074303d374434b0d906ed90239d85b580fb3f653b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7xVFOWl8Ls5eXCWm81eJLY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xVFOWl8Ls5eXCWm81eJLY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3409b967e6b87ee8038cf90074303d374434b0d906ed90239d85b580fb3f653b","isrc":"USSM19600842","name":"First Impressions","registered_at":"2026-06-22T17:55:52Z","spotify_id":"7xVFOWl8Ls5eXCWm81eJLY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3409b967e6b87ee8038cf90074303d374434b0d906ed90239d85b580fb3f653b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xVFOWl8Ls5eXCWm81eJLY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xVFOWl8Ls5eXCWm81eJLY.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x3409b967e6b87ee8038cf90074303d374434b0d906ed90239d85b580fb3f653b","isrc":"USSM19600842","name":"First Impressions","registered_at":"2026-06-22T17:55:52Z","spotify_id":"7xVFOWl8Ls5eXCWm81eJLY","type":"track"}

Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto
type: MusicRecording
duration: PT4M35S
duration ms: 275560
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Emanuel Ax
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10008323
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:42:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae91eb8f924b917c1571c2ca0b4d633f846cce22664fc7703ba3889f1ac66591
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5LIOEbrnnRQSwDlCSGkhZ3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5LIOEbrnnRQSwDlCSGkhZ3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xae91eb8f924b917c1571c2ca0b4d633f846cce22664fc7703ba3889f1ac66591","isrc":"USSM10008323","name":"Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto","registered_at":"2026-06-24T10:42:28Z","spotify_id":"5LIOEbrnnRQSwDlCSGkhZ3","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae91eb8f924b917c1571c2ca0b4d633f846cce22664fc7703ba3889f1ac66591. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5LIOEbrnnRQSwDlCSGkhZ3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5LIOEbrnnRQSwDlCSGkhZ3.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xae91eb8f924b917c1571c2ca0b4d633f846cce22664fc7703ba3889f1ac66591","isrc":"USSM10008323","name":"Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto","registered_at":"2026-06-24T10:42:28Z","spotify_id":"5LIOEbrnnRQSwDlCSGkhZ3","type":"track"}

No. 3 Miero vuotti uutta kuuta from Five Finnish Folk Songs - Edited Version
type: MusicRecording
duration: PT1M54S
duration ms: 114346
explicit: false
by artist: Michio Mamiya
by artist: Yo-Yo Ma
by artist: Joel Fan
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10111277
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T00:16:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc27fd6a8c987189c93f29bfe4be0c3bdaa68c1a37821ba1985174bd518ea436f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3fJGSFxVoBuBk97TZrO2j8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fJGSFxVoBuBk97TZrO2j8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc27fd6a8c987189c93f29bfe4be0c3bdaa68c1a37821ba1985174bd518ea436f","isrc":"USSM10111277","name":"No. 3 Miero vuotti uutta kuuta from Five Finnish Folk Songs - Edited Version","registered_at":"2026-06-10T00:16:32Z","spotify_id":"3fJGSFxVoBuBk97TZrO2j8","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc27fd6a8c987189c93f29bfe4be0c3bdaa68c1a37821ba1985174bd518ea436f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fJGSFxVoBuBk97TZrO2j8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fJGSFxVoBuBk97TZrO2j8.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xc27fd6a8c987189c93f29bfe4be0c3bdaa68c1a37821ba1985174bd518ea436f","isrc":"USSM10111277","name":"No. 3 Miero vuotti uutta kuuta from Five Finnish Folk Songs - Edited Version","registered_at":"2026-06-10T00:16:32Z","spotify_id":"3fJGSFxVoBuBk97TZrO2j8","type":"track"}

Carnival of the Animals, R. 125: The Swan
type: MusicRecording
duration: PT3M5S
duration ms: 185240
explicit: false
by artist: Camille Saint-Saëns
by artist: Philippe Entremont
by artist: Gaby Casadesus
by artist: Yo-Yo Ma
by artist: Michel Cerruti
by artist: Michel Cals
by artist: Régis Pasquier
by artist: Yan Pascal Tortelier
by artist: Gabin Lauridon
by artist: Gerard Causse
by artist: Alain Marion
by artist: Michel Arrignon
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM17800662
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-03T03:45:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf48d7d689337e9385e22e0b7cd1dc44771b9a700ed7067cbdcd9b2f7e8c2fff7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1ZS9SsAz9G434SdwhoQnEi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZS9SsAz9G434SdwhoQnEi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf48d7d689337e9385e22e0b7cd1dc44771b9a700ed7067cbdcd9b2f7e8c2fff7","isrc":"USSM17800662","name":"Carnival of the Animals, R. 125: The Swan","registered_at":"2026-06-03T03:45:39Z","spotify_id":"1ZS9SsAz9G434SdwhoQnEi","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48d7d689337e9385e22e0b7cd1dc44771b9a700ed7067cbdcd9b2f7e8c2fff7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ZS9SsAz9G434SdwhoQnEi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZS9SsAz9G434SdwhoQnEi.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xf48d7d689337e9385e22e0b7cd1dc44771b9a700ed7067cbdcd9b2f7e8c2fff7","isrc":"USSM17800662","name":"Carnival of the Animals, R. 125: The Swan","registered_at":"2026-06-03T03:45:39Z","spotify_id":"1ZS9SsAz9G434SdwhoQnEi","type":"track"}

Lady Caliph: Dinner
type: MusicRecording
duration: PT3M56S
duration ms: 236066
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10412228
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:07:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x722f3b48efc1a74d9a2ffb7a30ac0266586d7e3b8f86aa97444ef4190f4ee380
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0wYTMqONfJWCymloIWVzWD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wYTMqONfJWCymloIWVzWD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x722f3b48efc1a74d9a2ffb7a30ac0266586d7e3b8f86aa97444ef4190f4ee380","isrc":"USSM10412228","name":"Lady Caliph: Dinner","registered_at":"2026-06-05T12:07:18Z","spotify_id":"0wYTMqONfJWCymloIWVzWD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x722f3b48efc1a74d9a2ffb7a30ac0266586d7e3b8f86aa97444ef4190f4ee380. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0wYTMqONfJWCymloIWVzWD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wYTMqONfJWCymloIWVzWD.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x722f3b48efc1a74d9a2ffb7a30ac0266586d7e3b8f86aa97444ef4190f4ee380","isrc":"USSM10412228","name":"Lady Caliph: Dinner","registered_at":"2026-06-05T12:07:18Z","spotify_id":"0wYTMqONfJWCymloIWVzWD","type":"track"}

Piano Quintet in A Major, D. 667, Op. 114 "Trout": IV. Tema con variazioni
type: MusicRecording
duration: PT7M41S
duration ms: 461866
explicit: false
by artist: Franz Schubert
by artist: Yo-Yo Ma
by artist: Emanuel Ax
by artist: Pamela Frank
by artist: Edgar Meyer
by artist: Rebecca Young
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM19504227
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T18:54:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9a87fe6e3dcb13e3a98bc38a2ff6c542690938c0c63b7cf09cb1366decb30e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7jfsQ3cEt0a4zb5uiZCFlh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7jfsQ3cEt0a4zb5uiZCFlh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb9a87fe6e3dcb13e3a98bc38a2ff6c542690938c0c63b7cf09cb1366decb30e6","isrc":"USSM19504227","name":"Piano Quintet in A Major, D. 667, Op. 114 \"Trout\": IV. Tema con variazioni","registered_at":"2026-06-18T18:54:37Z","spotify_id":"7jfsQ3cEt0a4zb5uiZCFlh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9a87fe6e3dcb13e3a98bc38a2ff6c542690938c0c63b7cf09cb1366decb30e6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7jfsQ3cEt0a4zb5uiZCFlh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7jfsQ3cEt0a4zb5uiZCFlh.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xb9a87fe6e3dcb13e3a98bc38a2ff6c542690938c0c63b7cf09cb1366decb30e6","isrc":"USSM19504227","name":"Piano Quintet in A Major, D. 667, Op. 114 \"Trout\": IV. Tema con variazioni","registered_at":"2026-06-18T18:54:37Z","spotify_id":"7jfsQ3cEt0a4zb5uiZCFlh","type":"track"}

Wapango - Live
type: MusicRecording
duration: PT3M34S
duration ms: 214226
explicit: false
by artist: Paquito D'Rivera
by artist: Yo-Yo Ma
by artist: Kathryn Stott
by artist: Cyro Baptista
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10314917
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:39:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x33cc7222465b33a2b44c5d3275722071fdfaeaba9df1ea02df58e388d737badc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/45mu6cdcMYAU4AR6Ma4EDg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/45mu6cdcMYAU4AR6Ma4EDg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x33cc7222465b33a2b44c5d3275722071fdfaeaba9df1ea02df58e388d737badc","isrc":"USSM10314917","name":"Wapango - Live","registered_at":"2026-06-24T10:39:37Z","spotify_id":"45mu6cdcMYAU4AR6Ma4EDg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33cc7222465b33a2b44c5d3275722071fdfaeaba9df1ea02df58e388d737badc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/45mu6cdcMYAU4AR6Ma4EDg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/45mu6cdcMYAU4AR6Ma4EDg.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x33cc7222465b33a2b44c5d3275722071fdfaeaba9df1ea02df58e388d737badc","isrc":"USSM10314917","name":"Wapango - Live","registered_at":"2026-06-24T10:39:37Z","spotify_id":"45mu6cdcMYAU4AR6Ma4EDg","type":"track"}

Cello Concerto in A Minor, Op. 129: III. Sehr lebhaft
type: MusicRecording
duration: PT8M7S
duration ms: 487800
explicit: false
by artist: Robert Schumann
by artist: Yo-Yo Ma
by artist: Sir Colin Davis
by artist: Bavarian Radio Symphony Orchestra
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM19931713

Joy to the World
type: MusicRecording
duration: PT3M39S
duration ms: 219453
explicit: false
by artist: Lowell Mason
by artist: Yo-Yo Ma
by artist: Dave Brubeck
by artist: Paquito D'Rivera
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10802800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T18:59:34+00:00

The Eternal Vow
type: MusicRecording
duration: PT3M5S
duration ms: 185373
explicit: false
by artist: Tan Dun
by artist: Yo-Yo Ma
by artist: Chen Xie Yang
by artist: David Cossin
by artist: Shanghai Symphony Orchestra
by artist: Shanghai National Orchestra
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM10009778
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T07:50:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5498fcb4907548c66f7c661e3bbf29b48c45e1fcf31db8bef8b421f8ff02df3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4r2zoTJCVx337x45KQ5qzY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4r2zoTJCVx337x45KQ5qzY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5498fcb4907548c66f7c661e3bbf29b48c45e1fcf31db8bef8b421f8ff02df3f","isrc":"USSM10009778","name":"The Eternal Vow","registered_at":"2026-06-07T07:50:41Z","spotify_id":"4r2zoTJCVx337x45KQ5qzY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5498fcb4907548c66f7c661e3bbf29b48c45e1fcf31db8bef8b421f8ff02df3f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4r2zoTJCVx337x45KQ5qzY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4r2zoTJCVx337x45KQ5qzY.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x5498fcb4907548c66f7c661e3bbf29b48c45e1fcf31db8bef8b421f8ff02df3f","isrc":"USSM10009778","name":"The Eternal Vow","registered_at":"2026-06-07T07:50:41Z","spotify_id":"4r2zoTJCVx337x45KQ5qzY","type":"track"}

Seven Years in Tibet
type: MusicRecording
duration: PT7M9S
duration ms: 429160
explicit: false
by artist: John Williams
by artist: Yo-Yo Ma
in album: Impressions
  type: MusicAlbum
  date published: 2011-01-10
isrc code: USSM19702090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T20:24:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5daaf0af59688a0249d2872d4bb0c5521178b39c64416fef6766ccfb5cdb2849
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2ODUzFCAgnt4hLBqAjVeUD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ODUzFCAgnt4hLBqAjVeUD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5daaf0af59688a0249d2872d4bb0c5521178b39c64416fef6766ccfb5cdb2849","isrc":"USSM19702090","name":"Seven Years in Tibet","registered_at":"2026-06-26T20:24:21Z","spotify_id":"2ODUzFCAgnt4hLBqAjVeUD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5daaf0af59688a0249d2872d4bb0c5521178b39c64416fef6766ccfb5cdb2849. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ODUzFCAgnt4hLBqAjVeUD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ODUzFCAgnt4hLBqAjVeUD.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x5daaf0af59688a0249d2872d4bb0c5521178b39c64416fef6766ccfb5cdb2849","isrc":"USSM19702090","name":"Seven Years in Tibet","registered_at":"2026-06-26T20:24:21Z","spotify_id":"2ODUzFCAgnt4hLBqAjVeUD","type":"track"}

Mendelssohn: Piano Trios, Op. 49 & Op. 66
type: MusicAlbum
date published: 1970-01-01
track: Piano Trio No. 1 in D Minor, Op. 49: I. Molto allegro e agitato
  type: MusicRecording
  duration: PT9M59S
  duration ms: 599600
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yo-Yo Ma
  by artist: Itzhak Perlman
  by artist: Emanuel Ax
  in album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM10905689
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T21:13:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf81fb844267d52447aa6985465efa2aef084c298dc58475f44b0e465451b356b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4JBc6OF2j4269SfV7vONXb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4JBc6OF2j4269SfV7vONXb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf81fb844267d52447aa6985465efa2aef084c298dc58475f44b0e465451b356b","isrc":"USSM10905689","name":"Piano Trio No. 1 in D Minor, Op. 49: I. Molto allegro e agitato","registered_at":"2026-06-08T21:13:55Z","spotify_id":"4JBc6OF2j4269SfV7vONXb","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf81fb844267d52447aa6985465efa2aef084c298dc58475f44b0e465451b356b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4JBc6OF2j4269SfV7vONXb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4JBc6OF2j4269SfV7vONXb.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xf81fb844267d52447aa6985465efa2aef084c298dc58475f44b0e465451b356b","isrc":"USSM10905689","name":"Piano Trio No. 1 in D Minor, Op. 49: I. Molto allegro e agitato","registered_at":"2026-06-08T21:13:55Z","spotify_id":"4JBc6OF2j4269SfV7vONXb","type":"track"}
track: Piano Trio No. 1 in D Minor, Op. 49: II. Andante con moto tranquillo
  type: MusicRecording
  duration: PT6M15S
  duration ms: 375200
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yo-Yo Ma
  by artist: Itzhak Perlman
  by artist: Emanuel Ax
  in album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM10905690
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T18:48:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x483261b5dc6615188764d1fa89914b1354eec6ed7e1161efd9daf44f3096e24c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3ql4rs7uEmO08OubcTtLGV.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ql4rs7uEmO08OubcTtLGV
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x483261b5dc6615188764d1fa89914b1354eec6ed7e1161efd9daf44f3096e24c","isrc":"USSM10905690","name":"Piano Trio No. 1 in D Minor, Op. 49: II. Andante con moto tranquillo","registered_at":"2026-06-10T18:48:16Z","spotify_id":"3ql4rs7uEmO08OubcTtLGV","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x483261b5dc6615188764d1fa89914b1354eec6ed7e1161efd9daf44f3096e24c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ql4rs7uEmO08OubcTtLGV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ql4rs7uEmO08OubcTtLGV.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x483261b5dc6615188764d1fa89914b1354eec6ed7e1161efd9daf44f3096e24c","isrc":"USSM10905690","name":"Piano Trio No. 1 in D Minor, Op. 49: II. Andante con moto tranquillo","registered_at":"2026-06-10T18:48:16Z","spotify_id":"3ql4rs7uEmO08OubcTtLGV","type":"track"}
track: Piano Trio No. 1 in D Minor, Op. 49: III. Scherzo: Leggiero e vivace
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232693
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yo-Yo Ma
  by artist: Itzhak Perlman
  by artist: Emanuel Ax
  in album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM10905691
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T08:42:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x348928206bcfc98f0a1a54ed383c67a9df19c1cbd4a726d52dc7bd395f62dcf9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 954130
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/954130
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2xuJB6uNxSHLLmy0RpFyhT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2xuJB6uNxSHLLmy0RpFyhT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-17T20:44:01Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x348928206bcfc98f0a1a54ed383c67a9df19c1cbd4a726d52dc7bd395f62dcf9","isrc":"USSM10905691","name":"Piano Trio No. 1 in D Minor, Op. 49: III. Scherzo: Leggiero e vivace","registered_at":"2026-06-17T08:42:39Z","spotify_id":"2xuJB6uNxSHLLmy0RpFyhT","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348928206bcfc98f0a1a54ed383c67a9df19c1cbd4a726d52dc7bd395f62dcf9. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:44:01Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2xuJB6uNxSHLLmy0RpFyhT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2xuJB6uNxSHLLmy0RpFyhT.
    date published: 2026-06-17T20:44:01Z
    text: {"copyright_id":"0x348928206bcfc98f0a1a54ed383c67a9df19c1cbd4a726d52dc7bd395f62dcf9","isrc":"USSM10905691","name":"Piano Trio No. 1 in D Minor, Op. 49: III. Scherzo: Leggiero e vivace","registered_at":"2026-06-17T08:42:39Z","spotify_id":"2xuJB6uNxSHLLmy0RpFyhT","type":"track"}
track: Piano Trio No. 1 in D Minor, Op. 49: IV. Finale: Allegro assai appassionato
  type: MusicRecording
  duration: PT8M56S
  duration ms: 536346
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yo-Yo Ma
  by artist: Itzhak Perlman
  by artist: Emanuel Ax
  in album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USSM10905692
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T17:47:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe98cf581e89992b2498abf55eb3bef9ba54c33fab16c7fb749ec80c247a6143f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1Q3rBDc7AfwGYB2O7HG1Hu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Q3rBDc7AfwGYB2O7HG1Hu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe98cf581e89992b2498abf55eb3bef9ba54c33fab16c7fb749ec80c247a6143f","isrc":"USSM10905692","name":"Piano Trio No. 1 in D Minor, Op. 49: IV. Finale: Allegro assai appassionato","registered_at":"2026-06-18T17:47:03Z","spotify_id":"1Q3rBDc7AfwGYB2O7HG1Hu","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98cf581e89992b2498abf55eb3bef9ba54c33fab16c7fb749ec80c247a6143f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Q3rBDc7AfwGYB2O7HG1Hu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Q3rBDc7AfwGYB2O7HG1Hu.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xe98cf581e89992b2498abf55eb3bef9ba54c33fab16c7fb749ec80c247a6143f","isrc":"USSM10905692","name":"Piano Trio No. 1 in D Minor, Op. 49: IV. Finale: Allegro assai appassionato","registered_at":"2026-06-18T17:47:03Z","spotify_id":"1Q3rBDc7AfwGYB2O7HG1Hu","type":"track"}
track: Piano Trio No. 2 in C Minor Op. 66: I. Allegro energico e con fuoco
track: Piano Trio No. 2 in C Minor Op. 66: II. Andante espressivo
track: Piano Trio No. 2 in C Minor Op. 66: III. Scherzo. Molto allegro quasi presto
track: Piano Trio No. 2 in C Minor Op. 66: IV. Finale: Allegro appassionato

Piano Trio No. 2 in C Minor Op. 66: I. Allegro energico e con fuoco
type: MusicRecording
duration: PT11M13S
duration ms: 673906
explicit: false
by artist: Felix Mendelssohn
by artist: Yo-Yo Ma
by artist: Itzhak Perlman
by artist: Emanuel Ax
in album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10905694
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T02:54:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b708b82c45f6b0ac9da9fad120aac3a2382c719284474d7c67484bc231524a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6zV2ZL3l46CoTuOjPW5k4O.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zV2ZL3l46CoTuOjPW5k4O
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5b708b82c45f6b0ac9da9fad120aac3a2382c719284474d7c67484bc231524a5","isrc":"USSM10905694","name":"Piano Trio No. 2 in C Minor Op. 66: I. Allegro energico e con fuoco","registered_at":"2026-06-18T02:54:57Z","spotify_id":"6zV2ZL3l46CoTuOjPW5k4O","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b708b82c45f6b0ac9da9fad120aac3a2382c719284474d7c67484bc231524a5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zV2ZL3l46CoTuOjPW5k4O.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zV2ZL3l46CoTuOjPW5k4O.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x5b708b82c45f6b0ac9da9fad120aac3a2382c719284474d7c67484bc231524a5","isrc":"USSM10905694","name":"Piano Trio No. 2 in C Minor Op. 66: I. Allegro energico e con fuoco","registered_at":"2026-06-18T02:54:57Z","spotify_id":"6zV2ZL3l46CoTuOjPW5k4O","type":"track"}

Piano Trio No. 2 in C Minor Op. 66: II. Andante espressivo
type: MusicRecording
duration: PT6M41S
duration ms: 401680
explicit: false
by artist: Felix Mendelssohn
by artist: Yo-Yo Ma
by artist: Itzhak Perlman
by artist: Emanuel Ax
in album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10905695
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T00:38:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcce23e67ea1c5c50fd6b1a2ffeda3cd6769cbd1a44bdff678b75060a57c0bc1f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7gfK8WGic7dQJ8Eb6itCuJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7gfK8WGic7dQJ8Eb6itCuJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcce23e67ea1c5c50fd6b1a2ffeda3cd6769cbd1a44bdff678b75060a57c0bc1f","isrc":"USSM10905695","name":"Piano Trio No. 2 in C Minor Op. 66: II. Andante espressivo","registered_at":"2026-06-20T00:38:32Z","spotify_id":"7gfK8WGic7dQJ8Eb6itCuJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcce23e67ea1c5c50fd6b1a2ffeda3cd6769cbd1a44bdff678b75060a57c0bc1f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7gfK8WGic7dQJ8Eb6itCuJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7gfK8WGic7dQJ8Eb6itCuJ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xcce23e67ea1c5c50fd6b1a2ffeda3cd6769cbd1a44bdff678b75060a57c0bc1f","isrc":"USSM10905695","name":"Piano Trio No. 2 in C Minor Op. 66: II. Andante espressivo","registered_at":"2026-06-20T00:38:32Z","spotify_id":"7gfK8WGic7dQJ8Eb6itCuJ","type":"track"}

Piano Trio No. 2 in C Minor Op. 66: III. Scherzo. Molto allegro quasi presto
type: MusicRecording
duration: PT3M47S
duration ms: 227520
explicit: false
by artist: Felix Mendelssohn
by artist: Yo-Yo Ma
by artist: Itzhak Perlman
by artist: Emanuel Ax
in album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10905696
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:06:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0ea8fd0396dfacc38fba3ec0d9984e82555fab432bbc45c8084e9fd23084720f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4d5uN30tnoun70gey6DBTr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4d5uN30tnoun70gey6DBTr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0ea8fd0396dfacc38fba3ec0d9984e82555fab432bbc45c8084e9fd23084720f","isrc":"USSM10905696","name":"Piano Trio No. 2 in C Minor Op. 66: III. Scherzo. Molto allegro quasi presto","registered_at":"2026-06-21T05:06:39Z","spotify_id":"4d5uN30tnoun70gey6DBTr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ea8fd0396dfacc38fba3ec0d9984e82555fab432bbc45c8084e9fd23084720f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4d5uN30tnoun70gey6DBTr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4d5uN30tnoun70gey6DBTr.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x0ea8fd0396dfacc38fba3ec0d9984e82555fab432bbc45c8084e9fd23084720f","isrc":"USSM10905696","name":"Piano Trio No. 2 in C Minor Op. 66: III. Scherzo. Molto allegro quasi presto","registered_at":"2026-06-21T05:06:39Z","spotify_id":"4d5uN30tnoun70gey6DBTr","type":"track"}

Piano Trio No. 2 in C Minor Op. 66: IV. Finale: Allegro appassionato
type: MusicRecording
duration: PT8M25S
duration ms: 505906
explicit: false
by artist: Felix Mendelssohn
by artist: Yo-Yo Ma
by artist: Itzhak Perlman
by artist: Emanuel Ax
in album: Mendelssohn: Piano Trios, Op. 49 & Op. 66
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USSM10905697
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:58:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60e56a5961f22158d0d2f3458661228ff488deace9d4b19e7c3e2236d3b6654e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0HJEWwVLLTM1gG0Qzdfa5R.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0HJEWwVLLTM1gG0Qzdfa5R
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x60e56a5961f22158d0d2f3458661228ff488deace9d4b19e7c3e2236d3b6654e","isrc":"USSM10905697","name":"Piano Trio No. 2 in C Minor Op. 66: IV. Finale: Allegro appassionato","registered_at":"2026-06-20T07:58:10Z","spotify_id":"0HJEWwVLLTM1gG0Qzdfa5R","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e56a5961f22158d0d2f3458661228ff488deace9d4b19e7c3e2236d3b6654e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0HJEWwVLLTM1gG0Qzdfa5R.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0HJEWwVLLTM1gG0Qzdfa5R.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x60e56a5961f22158d0d2f3458661228ff488deace9d4b19e7c3e2236d3b6654e","isrc":"USSM10905697","name":"Piano Trio No. 2 in C Minor Op. 66: IV. Finale: Allegro appassionato","registered_at":"2026-06-20T07:58:10Z","spotify_id":"0HJEWwVLLTM1gG0Qzdfa5R","type":"track"}

Songs of Joy & Peace
type: MusicAlbum
date published: 2008-10-13
track: Dona Nobis Pacem
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120520
  explicit: false
  by artist: Yo-Yo Ma
  in album: Songs of Joy & Peace
    type: MusicAlbum
    date published: 2008-10-13
  isrc code: USSM10802810
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T15:23:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7b8273eee27270c50ee53ceb07d9d8ac81acdbafe697d60a4283fe86d444a641
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3XNHwClBzSICELVZmIHAkB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3XNHwClBzSICELVZmIHAkB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7b8273eee27270c50ee53ceb07d9d8ac81acdbafe697d60a4283fe86d444a641","isrc":"USSM10802810","name":"Dona Nobis Pacem","registered_at":"2026-06-10T15:23:54Z","spotify_id":"3XNHwClBzSICELVZmIHAkB","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8273eee27270c50ee53ceb07d9d8ac81acdbafe697d60a4283fe86d444a641. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3XNHwClBzSICELVZmIHAkB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3XNHwClBzSICELVZmIHAkB.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x7b8273eee27270c50ee53ceb07d9d8ac81acdbafe697d60a4283fe86d444a641","isrc":"USSM10802810","name":"Dona Nobis Pacem","registered_at":"2026-06-10T15:23:54Z","spotify_id":"3XNHwClBzSICELVZmIHAkB","type":"track"}
track: You Couldn't Be Cuter
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208560
  explicit: false
  by artist: Diana Krall
  by artist: Yo-Yo Ma
  by artist: John Clayton
  in album: Songs of Joy & Peace
    type: MusicAlbum
    date published: 2008-10-13
  isrc code: USSM10802803
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T08:09:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2a86a17c4424ecbde741de6cebef7cc4f351f8ff13b0227d16387c8f0e574d8c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1r9aznLKdbtoMrt9iUyPuv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1r9aznLKdbtoMrt9iUyPuv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2a86a17c4424ecbde741de6cebef7cc4f351f8ff13b0227d16387c8f0e574d8c","isrc":"USSM10802803","name":"You Couldn't Be Cuter","registered_at":"2026-06-24T08:09:32Z","spotify_id":"1r9aznLKdbtoMrt9iUyPuv","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a86a17c4424ecbde741de6cebef7cc4f351f8ff13b0227d16387c8f0e574d8c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1r9aznLKdbtoMrt9iUyPuv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1r9aznLKdbtoMrt9iUyPuv.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x2a86a17c4424ecbde741de6cebef7cc4f351f8ff13b0227d16387c8f0e574d8c","isrc":"USSM10802803","name":"You Couldn't Be Cuter","registered_at":"2026-06-24T08:09:32Z","spotify_id":"1r9aznLKdbtoMrt9iUyPuv","type":"track"}
track: Joy to the World
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222760
  explicit: false
  by artist: Yo-Yo Ma
  by artist: Dave Brubeck
  by artist: Paquito D'Rivera
  in album: Songs of Joy & Peace
    type: MusicAlbum
    date published: 2008-10-13
  isrc code: USSM10802800
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T18:59:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x946d7545c625fc53f164ed01ef0b02f84e31538773500ed489ace0f643ab3fe1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4ZOIixVuwp5mCNUA1JdcwY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZOIixVuwp5mCNUA1JdcwY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x946d7545c625fc53f164ed01ef0b02f84e31538773500ed489ace0f643ab3fe1","isrc":"USSM10802800","name":"Joy to the World","registered_at":"2026-06-26T18:59:34Z","spotify_id":"4ZOIixVuwp5mCNUA1JdcwY","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946d7545c625fc53f164ed01ef0b02f84e31538773500ed489ace0f643ab3fe1. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ZOIixVuwp5mCNUA1JdcwY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZOIixVuwp5mCNUA1JdcwY.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x946d7545c625fc53f164ed01ef0b02f84e31538773500ed489ace0f643ab3fe1","isrc":"USSM10802800","name":"Joy to the World","registered_at":"2026-06-26T18:59:34Z","spotify_id":"4ZOIixVuwp5mCNUA1JdcwY","type":"track"}
track: Here Comes the Sun
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170386
  explicit: false
  by artist: Yo-Yo Ma
  by artist: James Taylor
  in album: Songs of Joy & Peace
    type: MusicAlbum
    date published: 2008-10-13
  isrc code: USSM10802791
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T04:30:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7eec41c61efbf798dd483cb15473bee2f6759bee3182c9ba1f3eda9697f3969b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3FO4zWTQ484C2P7JCddeH0.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3FO4zWTQ484C2P7JCddeH0
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7eec41c61efbf798dd483cb15473bee2f6759bee3182c9ba1f3eda9697f3969b","isrc":"USSM10802791","name":"Here Comes the Sun","registered_at":"2026-06-11T04:30:34Z","spotify_id":"3FO4zWTQ484C2P7JCddeH0","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eec41c61efbf798dd483cb15473bee2f6759bee3182c9ba1f3eda9697f3969b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3FO4zWTQ484C2P7JCddeH0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3FO4zWTQ484C2P7JCddeH0.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x7eec41c61efbf798dd483cb15473bee2f6759bee3182c9ba1f3eda9697f3969b","isrc":"USSM10802791","name":"Here Comes the Sun","registered_at":"2026-06-11T04:30:34Z","spotify_id":"3FO4zWTQ484C2P7JCddeH0","type":"track"}
track: Improvisation on Dona Nobis Pacem (Give Us Peace)
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177813
  explicit: false
  by artist: Chris Thile
  by artist: Edgar Meyer
  in album: Songs of Joy & Peace
  isrc code: USSM10803036
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: The Wassail Song / All Through the Night
track: A Christmas Jig / Mouth of the Tobique Reel

Chris Thile
type: MusicGroup

Edgar Meyer
type: MusicGroup

Songs of Joy & Peace
type: MusicAlbum
date published: 2008-10-13

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-26T15:54:09+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x591a52161bdbdb89edab0f798b0fab6a0219ee994d2bc9194c4ace9e84df4f87

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956351

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956351

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3d1Z4FRJp0q5aAQ1WcdeC0.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3d1Z4FRJp0q5aAQ1WcdeC0

OTSTimestamp
type: PropertyValue
value: 2026-07-02T11:38:34Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x591a52161bdbdb89edab0f798b0fab6a0219ee994d2bc9194c4ace9e84df4f87","isrc":"USSM10803036","name":"Improvisation on Dona Nobis Pacem (Give Us Peace)","registered_at":"2026-06-26T15:54:09Z","spotify_id":"3d1Z4FRJp0q5aAQ1WcdeC0","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x591a52161bdbdb89edab0f798b0fab6a0219ee994d2bc9194c4ace9e84df4f87. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3d1Z4FRJp0q5aAQ1WcdeC0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3d1Z4FRJp0q5aAQ1WcdeC0.
date published: 2026-07-02T11:38:34Z
text: {"copyright_id":"0x591a52161bdbdb89edab0f798b0fab6a0219ee994d2bc9194c4ace9e84df4f87","isrc":"USSM10803036","name":"Improvisation on Dona Nobis Pacem (Give Us Peace)","registered_at":"2026-06-26T15:54:09Z","spotify_id":"3d1Z4FRJp0q5aAQ1WcdeC0","type":"track"}

The Wassail Song / All Through the Night
type: MusicRecording
duration: PT2M37S
duration ms: 157080
explicit: false
by artist: Yo-Yo Ma
by artist: Chris Thile
by artist: Edgar Meyer
in album: Songs of Joy & Peace
  type: MusicAlbum
  date published: 2008-10-13
isrc code: USSM10802795
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:31:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08803ad8ede656241e0e472e4d90150725b6a2154b326f5456d7b95a2730fa62
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0qWnccuoHgWKPUPWIcEo0s.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0qWnccuoHgWKPUPWIcEo0s
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x08803ad8ede656241e0e472e4d90150725b6a2154b326f5456d7b95a2730fa62","isrc":"USSM10802795","name":"The Wassail Song / All Through the Night","registered_at":"2026-06-08T18:31:32Z","spotify_id":"0qWnccuoHgWKPUPWIcEo0s","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08803ad8ede656241e0e472e4d90150725b6a2154b326f5456d7b95a2730fa62. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0qWnccuoHgWKPUPWIcEo0s.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0qWnccuoHgWKPUPWIcEo0s.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x08803ad8ede656241e0e472e4d90150725b6a2154b326f5456d7b95a2730fa62","isrc":"USSM10802795","name":"The Wassail Song / All Through the Night","registered_at":"2026-06-08T18:31:32Z","spotify_id":"0qWnccuoHgWKPUPWIcEo0s","type":"track"}

A Christmas Jig / Mouth of the Tobique Reel
type: MusicRecording
duration: PT3M46S
duration ms: 226893
explicit: false
by artist: Yo-Yo Ma
by artist: Natalie MacMaster
by artist: Marta Cook
in album: Songs of Joy & Peace
  type: MusicAlbum
  date published: 2008-10-13
isrc code: USSM10802804
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T05:14:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7dbb091b089696b8bc76e5c805dc6ab3e3888e14b94e041230a3b9336c592572
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0UJeSxvSR8Xxa9RgH8eyRS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0UJeSxvSR8Xxa9RgH8eyRS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7dbb091b089696b8bc76e5c805dc6ab3e3888e14b94e041230a3b9336c592572","isrc":"USSM10802804","name":"A Christmas Jig / Mouth of the Tobique Reel","registered_at":"2026-06-24T05:14:09Z","spotify_id":"0UJeSxvSR8Xxa9RgH8eyRS","type":"track"}