Yuja Wang
type: MusicGroup
genre: classical
genre: classical piano
popularity: 52
followers: 110987
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd84302f47efc1f1ca88663176c09195489473caf8a80fe5945affbdbb229f215
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cd264c3d-8f9c-49b2-bcd1-d77212188ac7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cd264c3d-8f9c-49b2-bcd1-d77212188ac7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cd264c3d-8f9c-49b2-bcd1-d77212188ac7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd84302f47efc1f1ca88663176c09195489473caf8a80fe5945affbdbb229f215","name":"Yuja Wang","registered_at":"2026-06-12T10:04:28Z","symbol":"NIM0264516","token_address":"0x25d635b31e53c6b91c1c86c17340a00226dab5b9","type":"artist","uuid":"cd264c3d-8f9c-49b2-bcd1-d77212188ac7"}
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 0xd84302f47efc1f1ca88663176c09195489473caf8a80fe5945affbdbb229f215. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cd264c3d-8f9c-49b2-bcd1-d77212188ac7.json and https://artists.proofprofile.net/proofs/artist/cd264c3d-8f9c-49b2-bcd1-d77212188ac7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xd84302f47efc1f1ca88663176c09195489473caf8a80fe5945affbdbb229f215","name":"Yuja Wang","registered_at":"2026-06-12T10:04:28Z","symbol":"NIM0264516","token_address":"0x25d635b31e53c6b91c1c86c17340a00226dab5b9","type":"artist","uuid":"cd264c3d-8f9c-49b2-bcd1-d77212188ac7"}
album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
  track: Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
    type: MusicRecording
    duration: PT11M0S
    duration ms: 660626
    explicit: false
    by artist: Sergei Rachmaninoff
    by artist: Yuja Wang
    by artist: Los Angeles Philharmonic
    by artist: Gustavo Dudamel
    in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
      type: MusicAlbum
      date published: 2023-09-01
    isrc code: DEN962301481
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T15:58:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x65bdec76eeed62a0bf8760d825bd35fb579a3777e3acff195e1196e1cec333ba
    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/27AoYpkVfkIkFS7kLGrR2P.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/27AoYpkVfkIkFS7kLGrR2P
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x65bdec76eeed62a0bf8760d825bd35fb579a3777e3acff195e1196e1cec333ba","isrc":"DEN962301481","name":"Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato","registered_at":"2026-06-04T15:58:34Z","spotify_id":"27AoYpkVfkIkFS7kLGrR2P","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 0x65bdec76eeed62a0bf8760d825bd35fb579a3777e3acff195e1196e1cec333ba. 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/27AoYpkVfkIkFS7kLGrR2P.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/27AoYpkVfkIkFS7kLGrR2P.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x65bdec76eeed62a0bf8760d825bd35fb579a3777e3acff195e1196e1cec333ba","isrc":"DEN962301481","name":"Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato","registered_at":"2026-06-04T15:58:34Z","spotify_id":"27AoYpkVfkIkFS7kLGrR2P","type":"track"}
  track: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
    type: MusicRecording
    duration: PT11M3S
    duration ms: 663693
    explicit: false
    by artist: Sergei Rachmaninoff
    by artist: Yuja Wang
    by artist: Los Angeles Philharmonic
    by artist: Gustavo Dudamel
    in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
      type: MusicAlbum
      date published: 2023-09-01
    isrc code: DEN962301482
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T15:52:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe846eea4d4ada9cd0e5af5a5b205474778bcbc3bf1f6a67e51172c9329b3a3b6
    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/1icgyoHziNhsD1SCPyoEKi.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1icgyoHziNhsD1SCPyoEKi
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xe846eea4d4ada9cd0e5af5a5b205474778bcbc3bf1f6a67e51172c9329b3a3b6","isrc":"DEN962301482","name":"Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto","registered_at":"2026-06-04T15:52:10Z","spotify_id":"1icgyoHziNhsD1SCPyoEKi","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 0xe846eea4d4ada9cd0e5af5a5b205474778bcbc3bf1f6a67e51172c9329b3a3b6. 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/1icgyoHziNhsD1SCPyoEKi.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/1icgyoHziNhsD1SCPyoEKi.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0xe846eea4d4ada9cd0e5af5a5b205474778bcbc3bf1f6a67e51172c9329b3a3b6","isrc":"DEN962301482","name":"Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto","registered_at":"2026-06-04T15:52:10Z","spotify_id":"1icgyoHziNhsD1SCPyoEKi","type":"track"}
  track: Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
    type: MusicRecording
    duration: PT10M59S
    duration ms: 659440
    explicit: false
    by artist: Sergei Rachmaninoff
    by artist: Yuja Wang
    by artist: Los Angeles Philharmonic
    by artist: Gustavo Dudamel
    in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
      type: MusicAlbum
      date published: 2023-09-01
    isrc code: DEN962301483
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-05T17:20:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x735a4df306b1ff34ea6caa605dd7e601d9af7fda1871d02e343a5a14559b0c52
    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/6VeHr13UYV3pzCW6vJxBGF.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VeHr13UYV3pzCW6vJxBGF
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x735a4df306b1ff34ea6caa605dd7e601d9af7fda1871d02e343a5a14559b0c52","isrc":"DEN962301483","name":"Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando","registered_at":"2026-06-05T17:20:34Z","spotify_id":"6VeHr13UYV3pzCW6vJxBGF","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 0x735a4df306b1ff34ea6caa605dd7e601d9af7fda1871d02e343a5a14559b0c52. 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/6VeHr13UYV3pzCW6vJxBGF.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/6VeHr13UYV3pzCW6vJxBGF.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x735a4df306b1ff34ea6caa605dd7e601d9af7fda1871d02e343a5a14559b0c52","isrc":"DEN962301483","name":"Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando","registered_at":"2026-06-05T17:20:34Z","spotify_id":"6VeHr13UYV3pzCW6vJxBGF","type":"track"}
  track: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): I. Vivace - Moderato
    type: MusicRecording
    duration: PT12M29S
    duration ms: 749533
    explicit: false
    by artist: Sergei Rachmaninoff
    by artist: Yuja Wang
    by artist: Los Angeles Philharmonic
    by artist: Gustavo Dudamel
    in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
    isrc code: DEN962301461
    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: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): II. Andante
  track: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
  track: Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): I. Allegro vivace
  track: Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo
  track: Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): III. Allegro vivace
  track: Rhapsody on a Theme of Paganini, Op. 43: Introduction. Allegro vivace - Var. 1. Precedente
  track: Rhapsody on a Theme of Paganini, Op. 43: Tema. L'istesso tempo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 2. L'istesso tempo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 3. L'istesso tempo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 4. Più vivo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 5. Tempo precedente
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 6. L'istesso tempo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 7. Meno mosso, a tempo moderato
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 8. Tempo I
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 9. L'istesso tempo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 10. L'istesso tempo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 11. Moderato
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 12. Tempo di minuetto
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 13. Allegro
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 14. L'istesso tempo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 15. Più vivo scherzando
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 16. Allegretto
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 17. Allegretto
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 19. A tempo vivace
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 20. Un poco più vivo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 21. Un poco più vivo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 22. Marziale. Un poco più vivo. Alla breve
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 23. L'istesso tempo
  track: Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso
  track: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
  track: Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio
  track: Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve
album: John Adams: Must the Devil Have All the Good Tunes?
album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
album: The Vienna Recital
album: Ravel
album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
album: The American Project
album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
album: Rachmaninoff & Brahms
album: Yuja Wang Plays Mendelssohn (Live)
album: Rachmaninoff: Cello Sonata in G Minor, Op. 19
album: Blue Hour: Mendelssohn Edition
album: Rachmaninov: Cello Sonata in G Minor, Op. 19 (Live from Verbier Festival / 2008)
album: The Peace Concert Versailles (Live at Versailles / 2018)
album: Blue Hour – Weber, Brahms, Mendelssohn
album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
album: Brahms: The Violin Sonatas
album: Summer In February
album: Fantasia
album: Rachmaninov
album: transformation
album: Sonatas & Etudes
album: Kapustin: 24 Jazz Preludes, Op. 53: No. 10
album: Glass: Études: No. 6
album: Scriabin: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante
album: Schoenberg: Suite for Piano, Op. 25: VI. Gigue (Musical Moments)
album: Rachmaninoff: Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo
album: Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso
album: Rachmaninoff: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
album: Mendelssohn: A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) [Live]
album: Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile
album: Tilson Thomas: You Come Here Often?
album: Brahms: Clarinet Trio in A Minor, Op. 114: I. Allegro
album: Brahms: Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
album: Márquez: Danzón No. 2 (Transcr. Gómez-Tagle for Piano) [Musical Moments]
album: Mendelssohn: Piano Sextet in D Major, Op. 110, MWV Q16: IV. Allegro vivace (Live)
album: Rachmaninov: Cello Sonata in G Minor, Op. 19: III. Andante (Live from Verbier Festival / 2008)
album: Rachmaninov: 14 Romances, Op. 34: No. 14 Vocalise (Arr. Kocsis for Piano) [Musical Moments]
album: Adams: China Gates
album: Adams: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
album: Messiaen: Turangalîla-Symphonie
album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
album: Shostakovich: The Piano Concertos; Solo Works
album: Franck & Chopin: Cello Sonatas

Yuja Wang
type: MusicGroup

Los Angeles Philharmonic
type: MusicGroup

Gustavo Dudamel
type: MusicGroup

Rachmaninoff: The Piano Concertos & Paganini Rhapsody
type: MusicAlbum
date published: 2023-09-01

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-06T18:01:09+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xf411f3501020a8e8f15148a4e4395c6076813b9ce8fe99fa23ebb7c799ec2339

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/7fARzvJFNytdLGZ2ZCC8vC.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7fARzvJFNytdLGZ2ZCC8vC

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xf411f3501020a8e8f15148a4e4395c6076813b9ce8fe99fa23ebb7c799ec2339","isrc":"DEN962301461","name":"Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): I. Vivace - Moderato","registered_at":"2026-06-06T18:01:09Z","spotify_id":"7fARzvJFNytdLGZ2ZCC8vC","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 0xf411f3501020a8e8f15148a4e4395c6076813b9ce8fe99fa23ebb7c799ec2339. 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/7fARzvJFNytdLGZ2ZCC8vC.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/7fARzvJFNytdLGZ2ZCC8vC.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0xf411f3501020a8e8f15148a4e4395c6076813b9ce8fe99fa23ebb7c799ec2339","isrc":"DEN962301461","name":"Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): I. Vivace - Moderato","registered_at":"2026-06-06T18:01:09Z","spotify_id":"7fARzvJFNytdLGZ2ZCC8vC","type":"track"}

Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): II. Andante
type: MusicRecording
duration: PT5M48S
duration ms: 348120
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962301462
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T01:23:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc7aefb74b47cd1da30936cc011ee4a0e2ef0adb53cdbf90a1951abe45b1f3761
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/2MBWbrRa8TRuWPrGGIOXcL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MBWbrRa8TRuWPrGGIOXcL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc7aefb74b47cd1da30936cc011ee4a0e2ef0adb53cdbf90a1951abe45b1f3761","isrc":"DEN962301462","name":"Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): II. Andante","registered_at":"2026-06-07T01:23:23Z","spotify_id":"2MBWbrRa8TRuWPrGGIOXcL","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 0xc7aefb74b47cd1da30936cc011ee4a0e2ef0adb53cdbf90a1951abe45b1f3761. 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/2MBWbrRa8TRuWPrGGIOXcL.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/2MBWbrRa8TRuWPrGGIOXcL.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xc7aefb74b47cd1da30936cc011ee4a0e2ef0adb53cdbf90a1951abe45b1f3761","isrc":"DEN962301462","name":"Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): II. Andante","registered_at":"2026-06-07T01:23:23Z","spotify_id":"2MBWbrRa8TRuWPrGGIOXcL","type":"track"}

Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
type: MusicRecording
duration: PT7M35S
duration ms: 455000
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962301463
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:04:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x06e3b5dc47adb67e1628aacd516cce6f6c3879a8bbd98256f0a87ed9aad565f8
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/0VN0Dq5xBU68ecuFAEA9Iq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0VN0Dq5xBU68ecuFAEA9Iq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x06e3b5dc47adb67e1628aacd516cce6f6c3879a8bbd98256f0a87ed9aad565f8","isrc":"DEN962301463","name":"Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace","registered_at":"2026-06-07T08:04:18Z","spotify_id":"0VN0Dq5xBU68ecuFAEA9Iq","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 0x06e3b5dc47adb67e1628aacd516cce6f6c3879a8bbd98256f0a87ed9aad565f8. 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/0VN0Dq5xBU68ecuFAEA9Iq.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/0VN0Dq5xBU68ecuFAEA9Iq.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x06e3b5dc47adb67e1628aacd516cce6f6c3879a8bbd98256f0a87ed9aad565f8","isrc":"DEN962301463","name":"Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace","registered_at":"2026-06-07T08:04:18Z","spotify_id":"0VN0Dq5xBU68ecuFAEA9Iq","type":"track"}

Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): I. Allegro vivace
type: MusicRecording
duration: PT9M2S
duration ms: 542106
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962301471
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T14:15:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc28035dc75620fc8ab63e1ed3e3e97383d7a1208c0bb10356fa818aa8ef8cba
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/4qAU60jcQMWATmFFld2FoG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4qAU60jcQMWATmFFld2FoG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbc28035dc75620fc8ab63e1ed3e3e97383d7a1208c0bb10356fa818aa8ef8cba","isrc":"DEN962301471","name":"Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): I. Allegro vivace","registered_at":"2026-06-07T14:15:32Z","spotify_id":"4qAU60jcQMWATmFFld2FoG","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 0xbc28035dc75620fc8ab63e1ed3e3e97383d7a1208c0bb10356fa818aa8ef8cba. 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/4qAU60jcQMWATmFFld2FoG.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/4qAU60jcQMWATmFFld2FoG.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xbc28035dc75620fc8ab63e1ed3e3e97383d7a1208c0bb10356fa818aa8ef8cba","isrc":"DEN962301471","name":"Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): I. Allegro vivace","registered_at":"2026-06-07T14:15:32Z","spotify_id":"4qAU60jcQMWATmFFld2FoG","type":"track"}

Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo
type: MusicRecording
duration: PT6M19S
duration ms: 379746
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962301472
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T20:47:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdf1d8aa70eedfe2b2b38d1ef5b7548c57365408a1f5dffcc2978737e6a5a216c
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/5yNDzN0B5HhWWy3peZPC2G.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5yNDzN0B5HhWWy3peZPC2G
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdf1d8aa70eedfe2b2b38d1ef5b7548c57365408a1f5dffcc2978737e6a5a216c","isrc":"DEN962301472","name":"Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo","registered_at":"2026-06-07T20:47:45Z","spotify_id":"5yNDzN0B5HhWWy3peZPC2G","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 0xdf1d8aa70eedfe2b2b38d1ef5b7548c57365408a1f5dffcc2978737e6a5a216c. 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/5yNDzN0B5HhWWy3peZPC2G.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/5yNDzN0B5HhWWy3peZPC2G.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xdf1d8aa70eedfe2b2b38d1ef5b7548c57365408a1f5dffcc2978737e6a5a216c","isrc":"DEN962301472","name":"Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo","registered_at":"2026-06-07T20:47:45Z","spotify_id":"5yNDzN0B5HhWWy3peZPC2G","type":"track"}

Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): III. Allegro vivace
type: MusicRecording
duration: PT8M56S
duration ms: 536026
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962301473
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:03:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59a6d45ad3c0eed1fca492cdd36d97765b62f6dda8a64cb763ae0bb083073c52
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/08JW2kBu1l1IeaGyVFnSwS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08JW2kBu1l1IeaGyVFnSwS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x59a6d45ad3c0eed1fca492cdd36d97765b62f6dda8a64cb763ae0bb083073c52","isrc":"DEN962301473","name":"Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): III. Allegro vivace","registered_at":"2026-06-08T10:03:56Z","spotify_id":"08JW2kBu1l1IeaGyVFnSwS","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 0x59a6d45ad3c0eed1fca492cdd36d97765b62f6dda8a64cb763ae0bb083073c52. 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/08JW2kBu1l1IeaGyVFnSwS.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/08JW2kBu1l1IeaGyVFnSwS.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x59a6d45ad3c0eed1fca492cdd36d97765b62f6dda8a64cb763ae0bb083073c52","isrc":"DEN962301473","name":"Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): III. Allegro vivace","registered_at":"2026-06-08T10:03:56Z","spotify_id":"08JW2kBu1l1IeaGyVFnSwS","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Introduction. Allegro vivace - Var. 1. Precedente
type: MusicRecording
duration: PT0M27S
duration ms: 27426
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332301

Rhapsody on a Theme of Paganini, Op. 43: Tema. L'istesso tempo
type: MusicRecording
duration: PT0M19S
duration ms: 19000
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01

Rhapsody on a Theme of Paganini, Op. 43: Var. 2. L'istesso tempo
type: MusicRecording
duration: PT0M18S
duration ms: 18933
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01

Rhapsody on a Theme of Paganini, Op. 43: Var. 3. L'istesso tempo
type: MusicRecording
duration: PT0M24S
duration ms: 24826
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01

Rhapsody on a Theme of Paganini, Op. 43: Var. 4. Più vivo
type: MusicRecording
duration: PT0M28S
duration ms: 28773
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01

Rhapsody on a Theme of Paganini, Op. 43: Var. 5. Tempo precedente
type: MusicRecording
duration: PT0M28S
duration ms: 28453
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01

Rhapsody on a Theme of Paganini, Op. 43: Var. 6. L'istesso tempo
type: MusicRecording
duration: PT1M9S
duration ms: 69000
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T01:17:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb47dfb52ae1e7e49b242cb32a30ec8c0c9398758fc2cd7c995bd2dcdd5e40446
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/2AlPjURb2Ytf4bGw4i18tI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2AlPjURb2Ytf4bGw4i18tI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb47dfb52ae1e7e49b242cb32a30ec8c0c9398758fc2cd7c995bd2dcdd5e40446","isrc":"DEN962332307","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 6. L'istesso tempo","registered_at":"2026-06-08T01:17:03Z","spotify_id":"2AlPjURb2Ytf4bGw4i18tI","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 0xb47dfb52ae1e7e49b242cb32a30ec8c0c9398758fc2cd7c995bd2dcdd5e40446. 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/2AlPjURb2Ytf4bGw4i18tI.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/2AlPjURb2Ytf4bGw4i18tI.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xb47dfb52ae1e7e49b242cb32a30ec8c0c9398758fc2cd7c995bd2dcdd5e40446","isrc":"DEN962332307","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 6. L'istesso tempo","registered_at":"2026-06-08T01:17:03Z","spotify_id":"2AlPjURb2Ytf4bGw4i18tI","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 7. Meno mosso, a tempo moderato
type: MusicRecording
duration: PT1M10S
duration ms: 70200
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:15:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce9ee094b855608b6804632d2881f997a840f86811953630ed5122fc3d494934
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/3SdhVNuPfkZHkhRXjJqd2E.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3SdhVNuPfkZHkhRXjJqd2E
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xce9ee094b855608b6804632d2881f997a840f86811953630ed5122fc3d494934","isrc":"DEN962332308","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 7. Meno mosso, a tempo moderato","registered_at":"2026-06-08T04:15:43Z","spotify_id":"3SdhVNuPfkZHkhRXjJqd2E","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 0xce9ee094b855608b6804632d2881f997a840f86811953630ed5122fc3d494934. 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/3SdhVNuPfkZHkhRXjJqd2E.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/3SdhVNuPfkZHkhRXjJqd2E.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xce9ee094b855608b6804632d2881f997a840f86811953630ed5122fc3d494934","isrc":"DEN962332308","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 7. Meno mosso, a tempo moderato","registered_at":"2026-06-08T04:15:43Z","spotify_id":"3SdhVNuPfkZHkhRXjJqd2E","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 8. Tempo I
type: MusicRecording
duration: PT0M35S
duration ms: 35013
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T20:45:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23617ba87030f7f5bd435efc69240f46c331671f86ce4530e502cc04c07a4840
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/1RycyBUI4zrMxUA4k6cmEb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1RycyBUI4zrMxUA4k6cmEb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x23617ba87030f7f5bd435efc69240f46c331671f86ce4530e502cc04c07a4840","isrc":"DEN962332309","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 8. Tempo I","registered_at":"2026-06-07T20:45:33Z","spotify_id":"1RycyBUI4zrMxUA4k6cmEb","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 0x23617ba87030f7f5bd435efc69240f46c331671f86ce4530e502cc04c07a4840. 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/1RycyBUI4zrMxUA4k6cmEb.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/1RycyBUI4zrMxUA4k6cmEb.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x23617ba87030f7f5bd435efc69240f46c331671f86ce4530e502cc04c07a4840","isrc":"DEN962332309","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 8. Tempo I","registered_at":"2026-06-07T20:45:33Z","spotify_id":"1RycyBUI4zrMxUA4k6cmEb","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 9. L'istesso tempo
type: MusicRecording
duration: PT0M32S
duration ms: 32626
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T20:44:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52cac562b96114b013248fd118a8062a8ed6bd10882f5de5215ebdb1dff8cd22
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/339hPl0mIVrJDsd96P8h50.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/339hPl0mIVrJDsd96P8h50
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x52cac562b96114b013248fd118a8062a8ed6bd10882f5de5215ebdb1dff8cd22","isrc":"DEN962332310","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 9. L'istesso tempo","registered_at":"2026-06-07T20:44:47Z","spotify_id":"339hPl0mIVrJDsd96P8h50","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 0x52cac562b96114b013248fd118a8062a8ed6bd10882f5de5215ebdb1dff8cd22. 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/339hPl0mIVrJDsd96P8h50.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/339hPl0mIVrJDsd96P8h50.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x52cac562b96114b013248fd118a8062a8ed6bd10882f5de5215ebdb1dff8cd22","isrc":"DEN962332310","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 9. L'istesso tempo","registered_at":"2026-06-07T20:44:47Z","spotify_id":"339hPl0mIVrJDsd96P8h50","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 10. L'istesso tempo
type: MusicRecording
duration: PT0M52S
duration ms: 52453
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332311
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:10:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd28b3223ccfc6e1d48a80124dfd19d2abcfba2c8849a7768e91d0f40e026449f
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/4DRjnmqCpQiA3eGnKY5gcR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DRjnmqCpQiA3eGnKY5gcR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd28b3223ccfc6e1d48a80124dfd19d2abcfba2c8849a7768e91d0f40e026449f","isrc":"DEN962332311","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 10. L'istesso tempo","registered_at":"2026-06-08T04:10:47Z","spotify_id":"4DRjnmqCpQiA3eGnKY5gcR","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 0xd28b3223ccfc6e1d48a80124dfd19d2abcfba2c8849a7768e91d0f40e026449f. 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/4DRjnmqCpQiA3eGnKY5gcR.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/4DRjnmqCpQiA3eGnKY5gcR.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xd28b3223ccfc6e1d48a80124dfd19d2abcfba2c8849a7768e91d0f40e026449f","isrc":"DEN962332311","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 10. L'istesso tempo","registered_at":"2026-06-08T04:10:47Z","spotify_id":"4DRjnmqCpQiA3eGnKY5gcR","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 11. Moderato
type: MusicRecording
duration: PT1M25S
duration ms: 85813
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:13:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x471c8d5300605ebee6cec6a1c266c6ee8cd2be402a1b0f018164a24119e7320c
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/5JPkxBqna1BqpOm4YVOXgz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JPkxBqna1BqpOm4YVOXgz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x471c8d5300605ebee6cec6a1c266c6ee8cd2be402a1b0f018164a24119e7320c","isrc":"DEN962332312","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 11. Moderato","registered_at":"2026-06-08T04:13:30Z","spotify_id":"5JPkxBqna1BqpOm4YVOXgz","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 0x471c8d5300605ebee6cec6a1c266c6ee8cd2be402a1b0f018164a24119e7320c. 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/5JPkxBqna1BqpOm4YVOXgz.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/5JPkxBqna1BqpOm4YVOXgz.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x471c8d5300605ebee6cec6a1c266c6ee8cd2be402a1b0f018164a24119e7320c","isrc":"DEN962332312","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 11. Moderato","registered_at":"2026-06-08T04:13:30Z","spotify_id":"5JPkxBqna1BqpOm4YVOXgz","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 12. Tempo di minuetto
type: MusicRecording
duration: PT1M28S
duration ms: 88320
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332313
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:10:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x969b307d8711f2e57d2d06ca56e8f9d6d9c1fc4d992016568f25da26fee781ed
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/3d3Vds5HdefDG1CGoF8doN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3d3Vds5HdefDG1CGoF8doN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x969b307d8711f2e57d2d06ca56e8f9d6d9c1fc4d992016568f25da26fee781ed","isrc":"DEN962332313","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 12. Tempo di minuetto","registered_at":"2026-06-08T04:10:53Z","spotify_id":"3d3Vds5HdefDG1CGoF8doN","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 0x969b307d8711f2e57d2d06ca56e8f9d6d9c1fc4d992016568f25da26fee781ed. 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/3d3Vds5HdefDG1CGoF8doN.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/3d3Vds5HdefDG1CGoF8doN.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x969b307d8711f2e57d2d06ca56e8f9d6d9c1fc4d992016568f25da26fee781ed","isrc":"DEN962332313","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 12. Tempo di minuetto","registered_at":"2026-06-08T04:10:53Z","spotify_id":"3d3Vds5HdefDG1CGoF8doN","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 13. Allegro
type: MusicRecording
duration: PT0M29S
duration ms: 29973
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332314

Rhapsody on a Theme of Paganini, Op. 43: Var. 14. L'istesso tempo
type: MusicRecording
duration: PT0M45S
duration ms: 45080
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332315
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:07:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83219b953357cc9a3494c808fa50ea432a7777c847616c9d359ed3c2dc00d640
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/5aDlWYUlMKei7rIrIZSSVf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aDlWYUlMKei7rIrIZSSVf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x83219b953357cc9a3494c808fa50ea432a7777c847616c9d359ed3c2dc00d640","isrc":"DEN962332315","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 14. L'istesso tempo","registered_at":"2026-06-08T04:07:19Z","spotify_id":"5aDlWYUlMKei7rIrIZSSVf","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 0x83219b953357cc9a3494c808fa50ea432a7777c847616c9d359ed3c2dc00d640. 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/5aDlWYUlMKei7rIrIZSSVf.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/5aDlWYUlMKei7rIrIZSSVf.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x83219b953357cc9a3494c808fa50ea432a7777c847616c9d359ed3c2dc00d640","isrc":"DEN962332315","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 14. L'istesso tempo","registered_at":"2026-06-08T04:07:19Z","spotify_id":"5aDlWYUlMKei7rIrIZSSVf","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 15. Più vivo scherzando
type: MusicRecording
duration: PT1M10S
duration ms: 70426
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332316
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:55:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e6b4b2899f1a34e78c700fafbae77c60f2df60d84d2ba6e7eaf933fd50ee6aa
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/6OrWq46KjB0At38u3QkkNM.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6OrWq46KjB0At38u3QkkNM
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7e6b4b2899f1a34e78c700fafbae77c60f2df60d84d2ba6e7eaf933fd50ee6aa","isrc":"DEN962332316","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 15. Più vivo scherzando","registered_at":"2026-06-08T12:55:26Z","spotify_id":"6OrWq46KjB0At38u3QkkNM","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 0x7e6b4b2899f1a34e78c700fafbae77c60f2df60d84d2ba6e7eaf933fd50ee6aa. 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/6OrWq46KjB0At38u3QkkNM.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/6OrWq46KjB0At38u3QkkNM.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x7e6b4b2899f1a34e78c700fafbae77c60f2df60d84d2ba6e7eaf933fd50ee6aa","isrc":"DEN962332316","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 15. Più vivo scherzando","registered_at":"2026-06-08T12:55:26Z","spotify_id":"6OrWq46KjB0At38u3QkkNM","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 16. Allegretto
type: MusicRecording
duration: PT1M40S
duration ms: 100893
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332317
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:53:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6fed72ad920575f2c85656649699c44275636a278df02b54673942e1106c61d
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/6YB8bpuwShbBkhGHb32Jl6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6YB8bpuwShbBkhGHb32Jl6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf6fed72ad920575f2c85656649699c44275636a278df02b54673942e1106c61d","isrc":"DEN962332317","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 16. Allegretto","registered_at":"2026-06-08T12:53:17Z","spotify_id":"6YB8bpuwShbBkhGHb32Jl6","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 0xf6fed72ad920575f2c85656649699c44275636a278df02b54673942e1106c61d. 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/6YB8bpuwShbBkhGHb32Jl6.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/6YB8bpuwShbBkhGHb32Jl6.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xf6fed72ad920575f2c85656649699c44275636a278df02b54673942e1106c61d","isrc":"DEN962332317","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 16. Allegretto","registered_at":"2026-06-08T12:53:17Z","spotify_id":"6YB8bpuwShbBkhGHb32Jl6","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 17. Allegretto
type: MusicRecording
duration: PT1M41S
duration ms: 101746
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332318
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:52:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a9295263d5a7024356f62fde8e7dd6d140c470e1970d5cd3bc0482f28341e1e
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/3jCE37ym2eunm7ZC6yfcHt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3jCE37ym2eunm7ZC6yfcHt
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5a9295263d5a7024356f62fde8e7dd6d140c470e1970d5cd3bc0482f28341e1e","isrc":"DEN962332318","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 17. Allegretto","registered_at":"2026-06-08T12:52:25Z","spotify_id":"3jCE37ym2eunm7ZC6yfcHt","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 0x5a9295263d5a7024356f62fde8e7dd6d140c470e1970d5cd3bc0482f28341e1e. 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/3jCE37ym2eunm7ZC6yfcHt.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/3jCE37ym2eunm7ZC6yfcHt.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x5a9295263d5a7024356f62fde8e7dd6d140c470e1970d5cd3bc0482f28341e1e","isrc":"DEN962332318","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 17. Allegretto","registered_at":"2026-06-08T12:52:25Z","spotify_id":"3jCE37ym2eunm7ZC6yfcHt","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile
type: MusicRecording
duration: PT2M46S
duration ms: 166640
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962300930
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T17:58:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x54239ef41d77406198814937aa2ab62948f6dcbb19318142d5cae50f73f09ed7
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/1xiQiHZjcVGQwBhUo61tvY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1xiQiHZjcVGQwBhUo61tvY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x54239ef41d77406198814937aa2ab62948f6dcbb19318142d5cae50f73f09ed7","isrc":"DEN962300930","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile","registered_at":"2026-06-06T17:58:23Z","spotify_id":"1xiQiHZjcVGQwBhUo61tvY","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 0x54239ef41d77406198814937aa2ab62948f6dcbb19318142d5cae50f73f09ed7. 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/1xiQiHZjcVGQwBhUo61tvY.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/1xiQiHZjcVGQwBhUo61tvY.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x54239ef41d77406198814937aa2ab62948f6dcbb19318142d5cae50f73f09ed7","isrc":"DEN962300930","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile","registered_at":"2026-06-06T17:58:23Z","spotify_id":"1xiQiHZjcVGQwBhUo61tvY","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 19. A tempo vivace
type: MusicRecording
duration: PT0M32S
duration ms: 32146
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332320
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T21:14:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f741fd5b57d3f5c171061832892fdb752ff7257d632e073763548952ebc2929
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/0ennt9SlcPaCcJAIJjWGw5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ennt9SlcPaCcJAIJjWGw5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1f741fd5b57d3f5c171061832892fdb752ff7257d632e073763548952ebc2929","isrc":"DEN962332320","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 19. A tempo vivace","registered_at":"2026-06-08T21:14:17Z","spotify_id":"0ennt9SlcPaCcJAIJjWGw5","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 0x1f741fd5b57d3f5c171061832892fdb752ff7257d632e073763548952ebc2929. 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/0ennt9SlcPaCcJAIJjWGw5.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/0ennt9SlcPaCcJAIJjWGw5.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x1f741fd5b57d3f5c171061832892fdb752ff7257d632e073763548952ebc2929","isrc":"DEN962332320","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 19. A tempo vivace","registered_at":"2026-06-08T21:14:17Z","spotify_id":"0ennt9SlcPaCcJAIJjWGw5","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 20. Un poco più vivo
type: MusicRecording
duration: PT0M35S
duration ms: 35986
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332321
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T13:01:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad9fc4b59c08fd2e0f2b6adf40498986356b685e6a94b738464aa347e6684fe0
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/30SXMoUu91q6JKv2dk1sBh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/30SXMoUu91q6JKv2dk1sBh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad9fc4b59c08fd2e0f2b6adf40498986356b685e6a94b738464aa347e6684fe0","isrc":"DEN962332321","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 20. Un poco più vivo","registered_at":"2026-06-08T13:01:22Z","spotify_id":"30SXMoUu91q6JKv2dk1sBh","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 0xad9fc4b59c08fd2e0f2b6adf40498986356b685e6a94b738464aa347e6684fe0. 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/30SXMoUu91q6JKv2dk1sBh.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/30SXMoUu91q6JKv2dk1sBh.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xad9fc4b59c08fd2e0f2b6adf40498986356b685e6a94b738464aa347e6684fe0","isrc":"DEN962332321","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 20. Un poco più vivo","registered_at":"2026-06-08T13:01:22Z","spotify_id":"30SXMoUu91q6JKv2dk1sBh","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 21. Un poco più vivo
type: MusicRecording
duration: PT0M25S
duration ms: 25493
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01

Rhapsody on a Theme of Paganini, Op. 43: Var. 22. Marziale. Un poco più vivo. Alla breve
type: MusicRecording
duration: PT1M41S
duration ms: 101720
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332323
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:06:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb9453e07ae036e3acd495ed9349777ef244025ab5cf7a5175756ae9520010ed
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/4EdlGlXa6xk5UO9wGrBqWg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4EdlGlXa6xk5UO9wGrBqWg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeb9453e07ae036e3acd495ed9349777ef244025ab5cf7a5175756ae9520010ed","isrc":"DEN962332323","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 22. Marziale. Un poco più vivo. Alla breve","registered_at":"2026-06-08T04:06:13Z","spotify_id":"4EdlGlXa6xk5UO9wGrBqWg","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 0xeb9453e07ae036e3acd495ed9349777ef244025ab5cf7a5175756ae9520010ed. 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/4EdlGlXa6xk5UO9wGrBqWg.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/4EdlGlXa6xk5UO9wGrBqWg.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xeb9453e07ae036e3acd495ed9349777ef244025ab5cf7a5175756ae9520010ed","isrc":"DEN962332323","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 22. Marziale. Un poco più vivo. Alla breve","registered_at":"2026-06-08T04:06:13Z","spotify_id":"4EdlGlXa6xk5UO9wGrBqWg","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 23. L'istesso tempo
type: MusicRecording
duration: PT0M52S
duration ms: 52773
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332324
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T13:02:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e2e662631d3c5cf4ec753734471be1e6a10ddfe3fce059668a8147c19869cff
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/5yfEmfsDQiCCG8s62ifimu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5yfEmfsDQiCCG8s62ifimu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8e2e662631d3c5cf4ec753734471be1e6a10ddfe3fce059668a8147c19869cff","isrc":"DEN962332324","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 23. L'istesso tempo","registered_at":"2026-06-08T13:02:37Z","spotify_id":"5yfEmfsDQiCCG8s62ifimu","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 0x8e2e662631d3c5cf4ec753734471be1e6a10ddfe3fce059668a8147c19869cff. 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/5yfEmfsDQiCCG8s62ifimu.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/5yfEmfsDQiCCG8s62ifimu.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x8e2e662631d3c5cf4ec753734471be1e6a10ddfe3fce059668a8147c19869cff","isrc":"DEN962332324","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 23. L'istesso tempo","registered_at":"2026-06-08T13:02:37Z","spotify_id":"5yfEmfsDQiCCG8s62ifimu","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso
type: MusicRecording
duration: PT1M16S
duration ms: 76506
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962332325
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:05:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ce58c76979e32dc85296070db626820d72c34f680b00c024bdf53d30cc32d09
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/3m4D2sxboVAVFwMrQDCboH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3m4D2sxboVAVFwMrQDCboH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ce58c76979e32dc85296070db626820d72c34f680b00c024bdf53d30cc32d09","isrc":"DEN962332325","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso","registered_at":"2026-06-08T04:05:29Z","spotify_id":"3m4D2sxboVAVFwMrQDCboH","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 0x6ce58c76979e32dc85296070db626820d72c34f680b00c024bdf53d30cc32d09. 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/3m4D2sxboVAVFwMrQDCboH.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/3m4D2sxboVAVFwMrQDCboH.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x6ce58c76979e32dc85296070db626820d72c34f680b00c024bdf53d30cc32d09","isrc":"DEN962332325","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso","registered_at":"2026-06-08T04:05:29Z","spotify_id":"3m4D2sxboVAVFwMrQDCboH","type":"track"}

Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
type: MusicRecording
duration: PT16M23S
duration ms: 983453
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962301491
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T17:57:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb97670209b28b1db8ef15b11d9c8243dff6bdc5a4c3ed6ef9093360a1885bc88
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/1NgszQpmpnB792K6r9jz4k.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1NgszQpmpnB792K6r9jz4k
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb97670209b28b1db8ef15b11d9c8243dff6bdc5a4c3ed6ef9093360a1885bc88","isrc":"DEN962301491","name":"Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto","registered_at":"2026-06-06T17:57:57Z","spotify_id":"1NgszQpmpnB792K6r9jz4k","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 0xb97670209b28b1db8ef15b11d9c8243dff6bdc5a4c3ed6ef9093360a1885bc88. 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/1NgszQpmpnB792K6r9jz4k.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/1NgszQpmpnB792K6r9jz4k.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xb97670209b28b1db8ef15b11d9c8243dff6bdc5a4c3ed6ef9093360a1885bc88","isrc":"DEN962301491","name":"Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto","registered_at":"2026-06-06T17:57:57Z","spotify_id":"1NgszQpmpnB792K6r9jz4k","type":"track"}

Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio
type: MusicRecording
duration: PT10M16S
duration ms: 616133
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962301492
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T01:28:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf8768245e7f84ab172afaa9db2471d7fde4d94aadf8728a7174b21d9f644ef1
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/5ZJLCST5bBENJiqNdTNmOg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ZJLCST5bBENJiqNdTNmOg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbf8768245e7f84ab172afaa9db2471d7fde4d94aadf8728a7174b21d9f644ef1","isrc":"DEN962301492","name":"Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio","registered_at":"2026-06-07T01:28:22Z","spotify_id":"5ZJLCST5bBENJiqNdTNmOg","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 0xbf8768245e7f84ab172afaa9db2471d7fde4d94aadf8728a7174b21d9f644ef1. 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/5ZJLCST5bBENJiqNdTNmOg.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/5ZJLCST5bBENJiqNdTNmOg.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xbf8768245e7f84ab172afaa9db2471d7fde4d94aadf8728a7174b21d9f644ef1","isrc":"DEN962301492","name":"Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio","registered_at":"2026-06-07T01:28:22Z","spotify_id":"5ZJLCST5bBENJiqNdTNmOg","type":"track"}

Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve
type: MusicRecording
duration: PT14M26S
duration ms: 866933
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Rachmaninoff: The Piano Concertos & Paganini Rhapsody
  type: MusicAlbum
  date published: 2023-09-01
isrc code: DEN962301493
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T17:57:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x207395615da67518dec6cd031c2f0ad7889abf6b48fd08db603d5dab2be265de
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/3U4V4ctKh5aTLlT5dTBhv8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3U4V4ctKh5aTLlT5dTBhv8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x207395615da67518dec6cd031c2f0ad7889abf6b48fd08db603d5dab2be265de","isrc":"DEN962301493","name":"Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve","registered_at":"2026-06-06T17:57:31Z","spotify_id":"3U4V4ctKh5aTLlT5dTBhv8","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 0x207395615da67518dec6cd031c2f0ad7889abf6b48fd08db603d5dab2be265de. 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/3U4V4ctKh5aTLlT5dTBhv8.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/3U4V4ctKh5aTLlT5dTBhv8.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x207395615da67518dec6cd031c2f0ad7889abf6b48fd08db603d5dab2be265de","isrc":"DEN962301493","name":"Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve","registered_at":"2026-06-06T17:57:31Z","spotify_id":"3U4V4ctKh5aTLlT5dTBhv8","type":"track"}

John Adams: Must the Devil Have All the Good Tunes?
type: MusicAlbum
date published: 2020-04-17
track: Must the Devil Have All the Good Tunes?: I. Gritty, Funky, But in strict Tempo; Twitchy, Bot-Like
  type: MusicRecording
  duration: PT11M31S
  duration ms: 691729
  explicit: false
  by artist: John Adams
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: John Adams: Must the Devil Have All the Good Tunes?
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: DEN961904031
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T00:19:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe96e8f5571110e7e6248a7af1b3ef0a173a876153746328a2a550a7b6e860391
  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/2F4azSGsMXdO2N96EyIVzS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2F4azSGsMXdO2N96EyIVzS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe96e8f5571110e7e6248a7af1b3ef0a173a876153746328a2a550a7b6e860391","isrc":"DEN961904031","name":"Must the Devil Have All the Good Tunes?: I. Gritty, Funky, But in strict Tempo; Twitchy, Bot-Like","registered_at":"2026-06-23T00:19:01Z","spotify_id":"2F4azSGsMXdO2N96EyIVzS","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 0xe96e8f5571110e7e6248a7af1b3ef0a173a876153746328a2a550a7b6e860391. 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/2F4azSGsMXdO2N96EyIVzS.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/2F4azSGsMXdO2N96EyIVzS.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xe96e8f5571110e7e6248a7af1b3ef0a173a876153746328a2a550a7b6e860391","isrc":"DEN961904031","name":"Must the Devil Have All the Good Tunes?: I. Gritty, Funky, But in strict Tempo; Twitchy, Bot-Like","registered_at":"2026-06-23T00:19:01Z","spotify_id":"2F4azSGsMXdO2N96EyIVzS","type":"track"}
track: Must the Devil Have All the Good Tunes?: II. Much Slower; Gently, Relaxed
  type: MusicRecording
  duration: PT7M7S
  duration ms: 427853
  explicit: false
  by artist: John Adams
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: John Adams: Must the Devil Have All the Good Tunes?
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: DEN961904032
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T16:59:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe537ce49d76b37fb1f4b2b325c2e76e68493c760a9950453ff9333123456241c
  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/3qvEXVS0bi8NfzVO0Tyk4t.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3qvEXVS0bi8NfzVO0Tyk4t
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe537ce49d76b37fb1f4b2b325c2e76e68493c760a9950453ff9333123456241c","isrc":"DEN961904032","name":"Must the Devil Have All the Good Tunes?: II. Much Slower; Gently, Relaxed","registered_at":"2026-06-25T16:59:14Z","spotify_id":"3qvEXVS0bi8NfzVO0Tyk4t","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 0xe537ce49d76b37fb1f4b2b325c2e76e68493c760a9950453ff9333123456241c. 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/3qvEXVS0bi8NfzVO0Tyk4t.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/3qvEXVS0bi8NfzVO0Tyk4t.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0xe537ce49d76b37fb1f4b2b325c2e76e68493c760a9950453ff9333123456241c","isrc":"DEN961904032","name":"Must the Devil Have All the Good Tunes?: II. Much Slower; Gently, Relaxed","registered_at":"2026-06-25T16:59:14Z","spotify_id":"3qvEXVS0bi8NfzVO0Tyk4t","type":"track"}
track: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
  type: MusicRecording
  duration: PT7M41S
  duration ms: 461000
  explicit: false
  by artist: John Adams
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: John Adams: Must the Devil Have All the Good Tunes?
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: DEN961904033
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T16:58:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc
  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/5uWArbDZbluOsqMIi95IHh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uWArbDZbluOsqMIi95IHh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc","isrc":"DEN961904033","name":"Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing","registered_at":"2026-06-25T16:58:06Z","spotify_id":"5uWArbDZbluOsqMIi95IHh","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 0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc. 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/5uWArbDZbluOsqMIi95IHh.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/5uWArbDZbluOsqMIi95IHh.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc","isrc":"DEN961904033","name":"Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing","registered_at":"2026-06-25T16:58:06Z","spotify_id":"5uWArbDZbluOsqMIi95IHh","type":"track"}
track: China Gates
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279323
  explicit: false
  by artist: John Adams
  by artist: Yuja Wang
  in album: John Adams: Must the Devil Have All the Good Tunes?
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: DEN961904040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T02:16:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24
  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/6f4FXkPexn21cOmHd5E4rb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6f4FXkPexn21cOmHd5E4rb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24","isrc":"DEN961904040","name":"China Gates","registered_at":"2026-06-08T02:16:40Z","spotify_id":"6f4FXkPexn21cOmHd5E4rb","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 0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24. 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/6f4FXkPexn21cOmHd5E4rb.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/6f4FXkPexn21cOmHd5E4rb.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24","isrc":"DEN961904040","name":"China Gates","registered_at":"2026-06-08T02:16:40Z","spotify_id":"6f4FXkPexn21cOmHd5E4rb","type":"track"}

Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
type: MusicAlbum
date published: 2013-01-01
track: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto - Live
  type: MusicRecording
  duration: PT15M50S
  duration ms: 950280
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Simón Bolívar Symphony Orchestra Of Venezuela
  by artist: Gustavo Dudamel
  in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961302331
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T17:48:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x36df4d497cda50a296cab4a3726bf78efed39e57b9086456b1826d790d5244cc
  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/636vk4x62hzOZ667m9qBmY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/636vk4x62hzOZ667m9qBmY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x36df4d497cda50a296cab4a3726bf78efed39e57b9086456b1826d790d5244cc","isrc":"DEN961302331","name":"Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto - Live","registered_at":"2026-06-06T17:48:14Z","spotify_id":"636vk4x62hzOZ667m9qBmY","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 0x36df4d497cda50a296cab4a3726bf78efed39e57b9086456b1826d790d5244cc. 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/636vk4x62hzOZ667m9qBmY.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/636vk4x62hzOZ667m9qBmY.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x36df4d497cda50a296cab4a3726bf78efed39e57b9086456b1826d790d5244cc","isrc":"DEN961302331","name":"Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto - Live","registered_at":"2026-06-06T17:48:14Z","spotify_id":"636vk4x62hzOZ667m9qBmY","type":"track"}
track: Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo (Adagio) - Live
  type: MusicRecording
  duration: PT10M38S
  duration ms: 638293
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Simón Bolívar Symphony Orchestra Of Venezuela
  by artist: Gustavo Dudamel
  in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961302332
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T12:43:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc276e9c86b139ab7ae52979ca44ca7d3b0644c2c51d7be1ea4e3c46e57748aad
  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/7pgbSm4Sbnl6kjBSnWPwLf.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pgbSm4Sbnl6kjBSnWPwLf
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc276e9c86b139ab7ae52979ca44ca7d3b0644c2c51d7be1ea4e3c46e57748aad","isrc":"DEN961302332","name":"Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo (Adagio) - Live","registered_at":"2026-06-19T12:43:03Z","spotify_id":"7pgbSm4Sbnl6kjBSnWPwLf","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 0xc276e9c86b139ab7ae52979ca44ca7d3b0644c2c51d7be1ea4e3c46e57748aad. 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/7pgbSm4Sbnl6kjBSnWPwLf.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/7pgbSm4Sbnl6kjBSnWPwLf.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xc276e9c86b139ab7ae52979ca44ca7d3b0644c2c51d7be1ea4e3c46e57748aad","isrc":"DEN961302332","name":"Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo (Adagio) - Live","registered_at":"2026-06-19T12:43:03Z","spotify_id":"7pgbSm4Sbnl6kjBSnWPwLf","type":"track"}
track: Piano Concerto No. 3 in D Minor, Op. 30: III. Finale (Alla breve) - Live
  type: MusicRecording
  duration: PT14M17S
  duration ms: 857173
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Simón Bolívar Symphony Orchestra Of Venezuela
  by artist: Gustavo Dudamel
  in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961302333
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T12:31:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5ed872c5958acaad4ef65b879d0344e9cde0ab8700afd09b08d49ce1f0fc71ce
  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/4Lk8U8y5tFZRduA4ZAyKgq.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Lk8U8y5tFZRduA4ZAyKgq
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-17T19:54:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5ed872c5958acaad4ef65b879d0344e9cde0ab8700afd09b08d49ce1f0fc71ce","isrc":"DEN961302333","name":"Piano Concerto No. 3 in D Minor, Op. 30: III. Finale (Alla breve) - Live","registered_at":"2026-06-17T12:31:14Z","spotify_id":"4Lk8U8y5tFZRduA4ZAyKgq","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 0x5ed872c5958acaad4ef65b879d0344e9cde0ab8700afd09b08d49ce1f0fc71ce. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:54:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Lk8U8y5tFZRduA4ZAyKgq.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/4Lk8U8y5tFZRduA4ZAyKgq.
    date published: 2026-06-17T19:54:27Z
    text: {"copyright_id":"0x5ed872c5958acaad4ef65b879d0344e9cde0ab8700afd09b08d49ce1f0fc71ce","isrc":"DEN961302333","name":"Piano Concerto No. 3 in D Minor, Op. 30: III. Finale (Alla breve) - Live","registered_at":"2026-06-17T12:31:14Z","spotify_id":"4Lk8U8y5tFZRduA4ZAyKgq","type":"track"}
track: Piano Concerto No. 2 in G Minor, Op. 16: I. Andantino - Live
  type: MusicRecording
  duration: PT11M1S
  duration ms: 661800
  explicit: false
  by artist: Sergei Prokofiev
  by artist: Yuja Wang
  by artist: Simón Bolívar Symphony Orchestra Of Venezuela
  by artist: Gustavo Dudamel
  in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961302341
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T11:51:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2c9aceb1f1ed6f6a3bb84d70e5d43d9b5b5b672279bcf93346dfdc0da6651ea0
  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/46MazE6sbjUtLO1qMEorga.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/46MazE6sbjUtLO1qMEorga
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2c9aceb1f1ed6f6a3bb84d70e5d43d9b5b5b672279bcf93346dfdc0da6651ea0","isrc":"DEN961302341","name":"Piano Concerto No. 2 in G Minor, Op. 16: I. Andantino - Live","registered_at":"2026-06-11T11:51:40Z","spotify_id":"46MazE6sbjUtLO1qMEorga","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 0x2c9aceb1f1ed6f6a3bb84d70e5d43d9b5b5b672279bcf93346dfdc0da6651ea0. 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/46MazE6sbjUtLO1qMEorga.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/46MazE6sbjUtLO1qMEorga.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x2c9aceb1f1ed6f6a3bb84d70e5d43d9b5b5b672279bcf93346dfdc0da6651ea0","isrc":"DEN961302341","name":"Piano Concerto No. 2 in G Minor, Op. 16: I. Andantino - Live","registered_at":"2026-06-11T11:51:40Z","spotify_id":"46MazE6sbjUtLO1qMEorga","type":"track"}
track: Piano Concerto No. 2 in G Minor, Op. 16: II. Scherzo (Vivace) - Live
track: Piano Concerto No. 2 in G Minor, Op. 16: III. Intermezzo (Allegro moderato) - Live
track: Piano Concerto No. 2 in G Minor, Op. 16: IV. Finale (Allegro tempestoso) - Live

Piano Concerto No. 2 in G Minor, Op. 16: II. Scherzo (Vivace) - Live
type: MusicRecording
duration: PT2M21S
duration ms: 141666
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
by artist: Simón Bolívar Symphony Orchestra Of Venezuela
by artist: Gustavo Dudamel
in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961302342
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T08:01:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe31c5100a49ee21991111b291079f4d74fdfe14c24405c3794c290b3200b4b5f
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/10fCjzZabCIbAbT2bpQlbc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10fCjzZabCIbAbT2bpQlbc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe31c5100a49ee21991111b291079f4d74fdfe14c24405c3794c290b3200b4b5f","isrc":"DEN961302342","name":"Piano Concerto No. 2 in G Minor, Op. 16: II. Scherzo (Vivace) - Live","registered_at":"2026-06-23T08:01:31Z","spotify_id":"10fCjzZabCIbAbT2bpQlbc","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 0xe31c5100a49ee21991111b291079f4d74fdfe14c24405c3794c290b3200b4b5f. 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/10fCjzZabCIbAbT2bpQlbc.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/10fCjzZabCIbAbT2bpQlbc.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe31c5100a49ee21991111b291079f4d74fdfe14c24405c3794c290b3200b4b5f","isrc":"DEN961302342","name":"Piano Concerto No. 2 in G Minor, Op. 16: II. Scherzo (Vivace) - Live","registered_at":"2026-06-23T08:01:31Z","spotify_id":"10fCjzZabCIbAbT2bpQlbc","type":"track"}

Piano Concerto No. 2 in G Minor, Op. 16: III. Intermezzo (Allegro moderato) - Live
type: MusicRecording
duration: PT6M34S
duration ms: 394866
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
by artist: Simón Bolívar Symphony Orchestra Of Venezuela
by artist: Gustavo Dudamel
in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961302343
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:56:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x075c28154ca21f04e06956c6960b6aff2206a035ef9d6958c0f05d0c07daf956
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/7886Fz99D4gdz65931NWCq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7886Fz99D4gdz65931NWCq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x075c28154ca21f04e06956c6960b6aff2206a035ef9d6958c0f05d0c07daf956","isrc":"DEN961302343","name":"Piano Concerto No. 2 in G Minor, Op. 16: III. Intermezzo (Allegro moderato) - Live","registered_at":"2026-06-23T07:56:39Z","spotify_id":"7886Fz99D4gdz65931NWCq","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 0x075c28154ca21f04e06956c6960b6aff2206a035ef9d6958c0f05d0c07daf956. 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/7886Fz99D4gdz65931NWCq.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/7886Fz99D4gdz65931NWCq.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x075c28154ca21f04e06956c6960b6aff2206a035ef9d6958c0f05d0c07daf956","isrc":"DEN961302343","name":"Piano Concerto No. 2 in G Minor, Op. 16: III. Intermezzo (Allegro moderato) - Live","registered_at":"2026-06-23T07:56:39Z","spotify_id":"7886Fz99D4gdz65931NWCq","type":"track"}

Piano Concerto No. 2 in G Minor, Op. 16: IV. Finale (Allegro tempestoso) - Live
type: MusicRecording
duration: PT11M0S
duration ms: 660053
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
by artist: Simón Bolívar Symphony Orchestra Of Venezuela
by artist: Gustavo Dudamel
in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961302344
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T03:26:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x490478a65b113ee80927d4d5216e1007ced239f51fbc237d337d221ba5fd9e8c
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/5YSnG9hhXnEG86kv5LAN3F.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5YSnG9hhXnEG86kv5LAN3F
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x490478a65b113ee80927d4d5216e1007ced239f51fbc237d337d221ba5fd9e8c","isrc":"DEN961302344","name":"Piano Concerto No. 2 in G Minor, Op. 16: IV. Finale (Allegro tempestoso) - Live","registered_at":"2026-06-22T03:26:56Z","spotify_id":"5YSnG9hhXnEG86kv5LAN3F","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 0x490478a65b113ee80927d4d5216e1007ced239f51fbc237d337d221ba5fd9e8c. 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/5YSnG9hhXnEG86kv5LAN3F.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/5YSnG9hhXnEG86kv5LAN3F.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x490478a65b113ee80927d4d5216e1007ced239f51fbc237d337d221ba5fd9e8c","isrc":"DEN961302344","name":"Piano Concerto No. 2 in G Minor, Op. 16: IV. Finale (Allegro tempestoso) - Live","registered_at":"2026-06-22T03:26:56Z","spotify_id":"5YSnG9hhXnEG86kv5LAN3F","type":"track"}

The Vienna Recital
type: MusicAlbum
date published: 2024-05-03
track: Iberia, T. 105 / Book 4: No. 10, Málaga
  type: MusicRecording
  duration: PT4M56S
  duration ms: 296808
  explicit: false
  by artist: Isaac Albéniz
  by artist: Yuja Wang
  in album: The Vienna Recital
    type: MusicAlbum
    date published: 2024-05-03
  isrc code: DEN962300181
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T17:50:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc8d8a15f10e469895e33742aa7e633895a32bff170dcf2bb4bf282ab186a586f
  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/57RpOkh02rlcuNqRQswtpb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57RpOkh02rlcuNqRQswtpb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc8d8a15f10e469895e33742aa7e633895a32bff170dcf2bb4bf282ab186a586f","isrc":"DEN962300181","name":"Iberia, T. 105 / Book 4: No. 10, Málaga","registered_at":"2026-06-18T17:50:49Z","spotify_id":"57RpOkh02rlcuNqRQswtpb","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 0xc8d8a15f10e469895e33742aa7e633895a32bff170dcf2bb4bf282ab186a586f. 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/57RpOkh02rlcuNqRQswtpb.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/57RpOkh02rlcuNqRQswtpb.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xc8d8a15f10e469895e33742aa7e633895a32bff170dcf2bb4bf282ab186a586f","isrc":"DEN962300181","name":"Iberia, T. 105 / Book 4: No. 10, Málaga","registered_at":"2026-06-18T17:50:49Z","spotify_id":"57RpOkh02rlcuNqRQswtpb","type":"track"}
track: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: I. Drammatico
  type: MusicRecording
  duration: PT6M35S
  duration ms: 395213
  explicit: false
  by artist: Alexander Scriabin
  by artist: Yuja Wang
  in album: The Vienna Recital
    type: MusicAlbum
    date published: 2024-05-03
  isrc code: DEN962300191
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:06:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc21ce8ed2f17a3d5cdd0195d78cdd693529e4762a566cd67eba144fdbd19de95
  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/0Ss5JqlPI5qFJ7EPEVHPRT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Ss5JqlPI5qFJ7EPEVHPRT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc21ce8ed2f17a3d5cdd0195d78cdd693529e4762a566cd67eba144fdbd19de95","isrc":"DEN962300191","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: I. Drammatico","registered_at":"2026-06-21T05:06:49Z","spotify_id":"0Ss5JqlPI5qFJ7EPEVHPRT","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 0xc21ce8ed2f17a3d5cdd0195d78cdd693529e4762a566cd67eba144fdbd19de95. 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/0Ss5JqlPI5qFJ7EPEVHPRT.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/0Ss5JqlPI5qFJ7EPEVHPRT.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xc21ce8ed2f17a3d5cdd0195d78cdd693529e4762a566cd67eba144fdbd19de95","isrc":"DEN962300191","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: I. Drammatico","registered_at":"2026-06-21T05:06:49Z","spotify_id":"0Ss5JqlPI5qFJ7EPEVHPRT","type":"track"}
track: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: II. Allegretto
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170224
  explicit: false
  by artist: Alexander Scriabin
  by artist: Yuja Wang
  in album: The Vienna Recital
    type: MusicAlbum
    date published: 2024-05-03
  isrc code: DEN962300192
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T17:50:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb9f93b5a0d34b0509c2219a5550bd1706b989319d4ca593dc8f2d248d3ce5782
  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/0wkq1XMWsmBv1i01sxw4fA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wkq1XMWsmBv1i01sxw4fA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb9f93b5a0d34b0509c2219a5550bd1706b989319d4ca593dc8f2d248d3ce5782","isrc":"DEN962300192","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: II. Allegretto","registered_at":"2026-06-18T17:50:57Z","spotify_id":"0wkq1XMWsmBv1i01sxw4fA","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 0xb9f93b5a0d34b0509c2219a5550bd1706b989319d4ca593dc8f2d248d3ce5782. 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/0wkq1XMWsmBv1i01sxw4fA.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/0wkq1XMWsmBv1i01sxw4fA.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xb9f93b5a0d34b0509c2219a5550bd1706b989319d4ca593dc8f2d248d3ce5782","isrc":"DEN962300192","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: II. Allegretto","registered_at":"2026-06-18T17:50:57Z","spotify_id":"0wkq1XMWsmBv1i01sxw4fA","type":"track"}
track: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279925
  explicit: false
  by artist: Alexander Scriabin
  by artist: Yuja Wang
  in album: The Vienna Recital
    type: MusicAlbum
    date published: 2024-05-03
  isrc code: DEN962300193
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T12:31:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x425934fdfe54b849fd7854c1c4d0476dcd06796c40ab0a0ea1ee6187e5d655bb
  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/0sr4TC3HqleotGMTQovxfa.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0sr4TC3HqleotGMTQovxfa
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x425934fdfe54b849fd7854c1c4d0476dcd06796c40ab0a0ea1ee6187e5d655bb","isrc":"DEN962300193","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante","registered_at":"2026-06-11T12:31:17Z","spotify_id":"0sr4TC3HqleotGMTQovxfa","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 0x425934fdfe54b849fd7854c1c4d0476dcd06796c40ab0a0ea1ee6187e5d655bb. 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/0sr4TC3HqleotGMTQovxfa.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/0sr4TC3HqleotGMTQovxfa.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x425934fdfe54b849fd7854c1c4d0476dcd06796c40ab0a0ea1ee6187e5d655bb","isrc":"DEN962300193","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante","registered_at":"2026-06-11T12:31:17Z","spotify_id":"0sr4TC3HqleotGMTQovxfa","type":"track"}
track: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: IV. Presto con fuoco
  type: MusicRecording
  duration: PT5M54S
  duration ms: 354773
  explicit: false
  by artist: Alexander Scriabin
  by artist: Yuja Wang
  in album: The Vienna Recital
  isrc code: DEN962300194
  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: 24 Jazz Preludes, Op. 53: No. 11
track: 24 Jazz Preludes, Op. 53: No. 10
track: Iberia, T. 105 / Book 3: No. 9, Lavapiés
track: Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": I. Allegro
track: Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": II. Scherzo. Allegretto vivace
track: Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": III. Minuet. Moderato e grazioso - Trio
track: Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": IV. Presto con fuoco
track: Études, Book 2: No. 6, Automne à Varsovie
track: Études, Book 2: No. 13, L'escalier du diable
track: Études: No. 6
track: Danzón No. 2 (Transcr. Gómez-Tagle for Piano)
track: 3 Intermezzi, Op. 117: No. 3 in C-Sharp Minor. Andante con moto
track: Orfeo ed Euridice, Wq. 30: Melodie dell'Orfeo (Arr. Sgambati for Piano)

Alexander Scriabin
type: MusicGroup

Yuja Wang
type: MusicGroup

The Vienna Recital
type: MusicAlbum
date published: 2024-05-03

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-21T18:31:44+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xf4401f6a631c41a61e55fe4d1ddf6d0bfb0ad1f2745e3fe06fed90fc592db795

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/52NmKeiLhWVaDuvO16wItM.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52NmKeiLhWVaDuvO16wItM

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xf4401f6a631c41a61e55fe4d1ddf6d0bfb0ad1f2745e3fe06fed90fc592db795","isrc":"DEN962300194","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: IV. Presto con fuoco","registered_at":"2026-06-21T18:31:44Z","spotify_id":"52NmKeiLhWVaDuvO16wItM","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 0xf4401f6a631c41a61e55fe4d1ddf6d0bfb0ad1f2745e3fe06fed90fc592db795. 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/52NmKeiLhWVaDuvO16wItM.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/52NmKeiLhWVaDuvO16wItM.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0xf4401f6a631c41a61e55fe4d1ddf6d0bfb0ad1f2745e3fe06fed90fc592db795","isrc":"DEN962300194","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: IV. Presto con fuoco","registered_at":"2026-06-21T18:31:44Z","spotify_id":"52NmKeiLhWVaDuvO16wItM","type":"track"}

24 Jazz Preludes, Op. 53: No. 11
type: MusicRecording
duration: PT2M41S
duration ms: 161143
explicit: false
by artist: Nikolai Kapustin
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:23:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd2d21dcb9f92ef9a380cb5a74557cedd5edaf63fcec977e38d59bfe7a53033d9
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/4qonrwiiUxXZiOouiXnUvc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4qonrwiiUxXZiOouiXnUvc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd2d21dcb9f92ef9a380cb5a74557cedd5edaf63fcec977e38d59bfe7a53033d9","isrc":"DEN962300201","name":"24 Jazz Preludes, Op. 53: No. 11","registered_at":"2026-06-19T13:23:55Z","spotify_id":"4qonrwiiUxXZiOouiXnUvc","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 0xd2d21dcb9f92ef9a380cb5a74557cedd5edaf63fcec977e38d59bfe7a53033d9. 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/4qonrwiiUxXZiOouiXnUvc.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/4qonrwiiUxXZiOouiXnUvc.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd2d21dcb9f92ef9a380cb5a74557cedd5edaf63fcec977e38d59bfe7a53033d9","isrc":"DEN962300201","name":"24 Jazz Preludes, Op. 53: No. 11","registered_at":"2026-06-19T13:23:55Z","spotify_id":"4qonrwiiUxXZiOouiXnUvc","type":"track"}

24 Jazz Preludes, Op. 53: No. 10
type: MusicRecording
duration: PT1M49S
duration ms: 109636
explicit: false
by artist: Nikolai Kapustin
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T18:13:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x134cf399108925400e585184f47b01fb87ef3ec2c003f322bb676d4e8603c081
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/0vO3I6z1yokYGSIAx5AyO6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vO3I6z1yokYGSIAx5AyO6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x134cf399108925400e585184f47b01fb87ef3ec2c003f322bb676d4e8603c081","isrc":"DEN962300202","name":"24 Jazz Preludes, Op. 53: No. 10","registered_at":"2026-06-09T18:13:44Z","spotify_id":"0vO3I6z1yokYGSIAx5AyO6","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 0x134cf399108925400e585184f47b01fb87ef3ec2c003f322bb676d4e8603c081. 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/0vO3I6z1yokYGSIAx5AyO6.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/0vO3I6z1yokYGSIAx5AyO6.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x134cf399108925400e585184f47b01fb87ef3ec2c003f322bb676d4e8603c081","isrc":"DEN962300202","name":"24 Jazz Preludes, Op. 53: No. 10","registered_at":"2026-06-09T18:13:44Z","spotify_id":"0vO3I6z1yokYGSIAx5AyO6","type":"track"}

Iberia, T. 105 / Book 3: No. 9, Lavapiés
type: MusicRecording
duration: PT5M46S
duration ms: 346142
explicit: false
by artist: Isaac Albéniz
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300182
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:56:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7f7568f0d046811e67a34b1808872d55d707e3b75456e840f4fc1985f49c6a2
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/078aqEdltVQc8SEaIHWxWY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/078aqEdltVQc8SEaIHWxWY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd7f7568f0d046811e67a34b1808872d55d707e3b75456e840f4fc1985f49c6a2","isrc":"DEN962300182","name":"Iberia, T. 105 / Book 3: No. 9, Lavapiés","registered_at":"2026-06-24T15:56:18Z","spotify_id":"078aqEdltVQc8SEaIHWxWY","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 0xd7f7568f0d046811e67a34b1808872d55d707e3b75456e840f4fc1985f49c6a2. 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/078aqEdltVQc8SEaIHWxWY.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/078aqEdltVQc8SEaIHWxWY.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd7f7568f0d046811e67a34b1808872d55d707e3b75456e840f4fc1985f49c6a2","isrc":"DEN962300182","name":"Iberia, T. 105 / Book 3: No. 9, Lavapiés","registered_at":"2026-06-24T15:56:18Z","spotify_id":"078aqEdltVQc8SEaIHWxWY","type":"track"}

Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": I. Allegro
type: MusicRecording
duration: PT6M17S
duration ms: 377005
explicit: false
by artist: Ludwig van Beethoven
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:56:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ec124d253db0ff7865d64e9c1b2a7cf97b9119e09cc7eb96c82e3b9800d99cf
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/3g0C16lIBx6ZUiJcwAhcqI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3g0C16lIBx6ZUiJcwAhcqI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7ec124d253db0ff7865d64e9c1b2a7cf97b9119e09cc7eb96c82e3b9800d99cf","isrc":"DEN962300211","name":"Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 \"The Hunt\": I. Allegro","registered_at":"2026-06-23T09:56:17Z","spotify_id":"3g0C16lIBx6ZUiJcwAhcqI","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 0x7ec124d253db0ff7865d64e9c1b2a7cf97b9119e09cc7eb96c82e3b9800d99cf. 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/3g0C16lIBx6ZUiJcwAhcqI.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/3g0C16lIBx6ZUiJcwAhcqI.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7ec124d253db0ff7865d64e9c1b2a7cf97b9119e09cc7eb96c82e3b9800d99cf","isrc":"DEN962300211","name":"Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 \"The Hunt\": I. Allegro","registered_at":"2026-06-23T09:56:17Z","spotify_id":"3g0C16lIBx6ZUiJcwAhcqI","type":"track"}

Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": II. Scherzo. Allegretto vivace
type: MusicRecording
duration: PT3M27S
duration ms: 207997
explicit: false
by artist: Ludwig van Beethoven
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:12:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46193482919c2697eb11d0d3b94eec0c4d17befa6d271577f889a4c80208f73d
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/7p0Zmt5k3LjIebIbbcE4nx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7p0Zmt5k3LjIebIbbcE4nx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x46193482919c2697eb11d0d3b94eec0c4d17befa6d271577f889a4c80208f73d","isrc":"DEN962300212","name":"Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 \"The Hunt\": II. Scherzo. Allegretto vivace","registered_at":"2026-06-22T04:12:21Z","spotify_id":"7p0Zmt5k3LjIebIbbcE4nx","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 0x46193482919c2697eb11d0d3b94eec0c4d17befa6d271577f889a4c80208f73d. 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/7p0Zmt5k3LjIebIbbcE4nx.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/7p0Zmt5k3LjIebIbbcE4nx.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x46193482919c2697eb11d0d3b94eec0c4d17befa6d271577f889a4c80208f73d","isrc":"DEN962300212","name":"Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 \"The Hunt\": II. Scherzo. Allegretto vivace","registered_at":"2026-06-22T04:12:21Z","spotify_id":"7p0Zmt5k3LjIebIbbcE4nx","type":"track"}

Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": III. Minuet. Moderato e grazioso - Trio
type: MusicRecording
duration: PT3M2S
duration ms: 182444
explicit: false
by artist: Ludwig van Beethoven
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:17:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13a76687851439d4a476330376e8ea7b066e19b2e7f5254cb19b3862a13d56e3
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/4ez0Mal5wDm5oWNQ0er5HA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ez0Mal5wDm5oWNQ0er5HA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x13a76687851439d4a476330376e8ea7b066e19b2e7f5254cb19b3862a13d56e3","isrc":"DEN962300213","name":"Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 \"The Hunt\": III. Minuet. Moderato e grazioso - Trio","registered_at":"2026-06-21T05:17:03Z","spotify_id":"4ez0Mal5wDm5oWNQ0er5HA","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 0x13a76687851439d4a476330376e8ea7b066e19b2e7f5254cb19b3862a13d56e3. 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/4ez0Mal5wDm5oWNQ0er5HA.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/4ez0Mal5wDm5oWNQ0er5HA.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x13a76687851439d4a476330376e8ea7b066e19b2e7f5254cb19b3862a13d56e3","isrc":"DEN962300213","name":"Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 \"The Hunt\": III. Minuet. Moderato e grazioso - Trio","registered_at":"2026-06-21T05:17:03Z","spotify_id":"4ez0Mal5wDm5oWNQ0er5HA","type":"track"}

Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": IV. Presto con fuoco
type: MusicRecording
duration: PT3M46S
duration ms: 226123
explicit: false
by artist: Ludwig van Beethoven
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:59:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc71275d1e247091800886daaea36643192c076236c154191aed300d6fcdd1d5f
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/3RwAxDcRyDb7EdQahuatfq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RwAxDcRyDb7EdQahuatfq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc71275d1e247091800886daaea36643192c076236c154191aed300d6fcdd1d5f","isrc":"DEN962300214","name":"Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 \"The Hunt\": IV. Presto con fuoco","registered_at":"2026-06-08T12:59:33Z","spotify_id":"3RwAxDcRyDb7EdQahuatfq","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 0xc71275d1e247091800886daaea36643192c076236c154191aed300d6fcdd1d5f. 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/3RwAxDcRyDb7EdQahuatfq.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/3RwAxDcRyDb7EdQahuatfq.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xc71275d1e247091800886daaea36643192c076236c154191aed300d6fcdd1d5f","isrc":"DEN962300214","name":"Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 \"The Hunt\": IV. Presto con fuoco","registered_at":"2026-06-08T12:59:33Z","spotify_id":"3RwAxDcRyDb7EdQahuatfq","type":"track"}

Études, Book 2: No. 6, Automne à Varsovie
type: MusicRecording
duration: PT4M52S
duration ms: 292133
explicit: false
by artist: György Ligeti
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300221
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:57:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7db0f6ebcfd0a0c9630390fd7e3b091b406eeb84b068535005c5fb7abca577d5
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/7vT43uHdN7Xpx95rcr5nf6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7vT43uHdN7Xpx95rcr5nf6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7db0f6ebcfd0a0c9630390fd7e3b091b406eeb84b068535005c5fb7abca577d5","isrc":"DEN962300221","name":"Études, Book 2: No. 6, Automne à Varsovie","registered_at":"2026-06-24T15:57:20Z","spotify_id":"7vT43uHdN7Xpx95rcr5nf6","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 0x7db0f6ebcfd0a0c9630390fd7e3b091b406eeb84b068535005c5fb7abca577d5. 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/7vT43uHdN7Xpx95rcr5nf6.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/7vT43uHdN7Xpx95rcr5nf6.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7db0f6ebcfd0a0c9630390fd7e3b091b406eeb84b068535005c5fb7abca577d5","isrc":"DEN962300221","name":"Études, Book 2: No. 6, Automne à Varsovie","registered_at":"2026-06-24T15:57:20Z","spotify_id":"7vT43uHdN7Xpx95rcr5nf6","type":"track"}

Études, Book 2: No. 13, L'escalier du diable
type: MusicRecording
duration: PT5M1S
duration ms: 301069
explicit: false
by artist: György Ligeti
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300222
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:48:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x80f2073fb6c781bdf3e50e9945f659b2f189ebac4aadff325e254247d00eee28
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/5Jl276w76LGVEkNWNTnhUk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Jl276w76LGVEkNWNTnhUk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x80f2073fb6c781bdf3e50e9945f659b2f189ebac4aadff325e254247d00eee28","isrc":"DEN962300222","name":"Études, Book 2: No. 13, L'escalier du diable","registered_at":"2026-06-25T23:48:03Z","spotify_id":"5Jl276w76LGVEkNWNTnhUk","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 0x80f2073fb6c781bdf3e50e9945f659b2f189ebac4aadff325e254247d00eee28. 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/5Jl276w76LGVEkNWNTnhUk.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/5Jl276w76LGVEkNWNTnhUk.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x80f2073fb6c781bdf3e50e9945f659b2f189ebac4aadff325e254247d00eee28","isrc":"DEN962300222","name":"Études, Book 2: No. 13, L'escalier du diable","registered_at":"2026-06-25T23:48:03Z","spotify_id":"5Jl276w76LGVEkNWNTnhUk","type":"track"}

Études: No. 6
type: MusicRecording
duration: PT2M46S
duration ms: 166513
explicit: false
by artist: Philip Glass
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300230
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T11:29:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x77ae6a83d95800ffedb053e50972487bed15d40651cb21a73d75acfa23bd31d3
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/3NKWhMbFlPGVGQPDvBz9zS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3NKWhMbFlPGVGQPDvBz9zS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x77ae6a83d95800ffedb053e50972487bed15d40651cb21a73d75acfa23bd31d3","isrc":"DEN962300230","name":"Études: No. 6","registered_at":"2026-06-06T11:29:07Z","spotify_id":"3NKWhMbFlPGVGQPDvBz9zS","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 0x77ae6a83d95800ffedb053e50972487bed15d40651cb21a73d75acfa23bd31d3. 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/3NKWhMbFlPGVGQPDvBz9zS.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/3NKWhMbFlPGVGQPDvBz9zS.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x77ae6a83d95800ffedb053e50972487bed15d40651cb21a73d75acfa23bd31d3","isrc":"DEN962300230","name":"Études: No. 6","registered_at":"2026-06-06T11:29:07Z","spotify_id":"3NKWhMbFlPGVGQPDvBz9zS","type":"track"}

Danzón No. 2 (Transcr. Gómez-Tagle for Piano)
type: MusicRecording
duration: PT3M45S
duration ms: 225998
explicit: false
by artist: Arturo Márquez
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:05:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a8166d188303f3755c335e87558ec929e6ee4b90933ead7e02fbeb23a5f266b
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/61eURxXORXFcQatZ8gBA1t.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/61eURxXORXFcQatZ8gBA1t
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6a8166d188303f3755c335e87558ec929e6ee4b90933ead7e02fbeb23a5f266b","isrc":"DEN962300240","name":"Danzón No. 2 (Transcr. Gómez-Tagle for Piano)","registered_at":"2026-06-10T05:05:27Z","spotify_id":"61eURxXORXFcQatZ8gBA1t","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 0x6a8166d188303f3755c335e87558ec929e6ee4b90933ead7e02fbeb23a5f266b. 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/61eURxXORXFcQatZ8gBA1t.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/61eURxXORXFcQatZ8gBA1t.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6a8166d188303f3755c335e87558ec929e6ee4b90933ead7e02fbeb23a5f266b","isrc":"DEN962300240","name":"Danzón No. 2 (Transcr. Gómez-Tagle for Piano)","registered_at":"2026-06-10T05:05:27Z","spotify_id":"61eURxXORXFcQatZ8gBA1t","type":"track"}

3 Intermezzi, Op. 117: No. 3 in C-Sharp Minor. Andante con moto
type: MusicRecording
duration: PT6M45S
duration ms: 405775
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300250
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:57:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e7881885c2929873254d380e1eecd5b726ec4bd509c43616a60a5dc699eb965
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/6iflKrfIDu2TuovhUfXr0Q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6iflKrfIDu2TuovhUfXr0Q
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7e7881885c2929873254d380e1eecd5b726ec4bd509c43616a60a5dc699eb965","isrc":"DEN962300250","name":"3 Intermezzi, Op. 117: No. 3 in C-Sharp Minor. Andante con moto","registered_at":"2026-06-24T15:57:28Z","spotify_id":"6iflKrfIDu2TuovhUfXr0Q","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 0x7e7881885c2929873254d380e1eecd5b726ec4bd509c43616a60a5dc699eb965. 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/6iflKrfIDu2TuovhUfXr0Q.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/6iflKrfIDu2TuovhUfXr0Q.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7e7881885c2929873254d380e1eecd5b726ec4bd509c43616a60a5dc699eb965","isrc":"DEN962300250","name":"3 Intermezzi, Op. 117: No. 3 in C-Sharp Minor. Andante con moto","registered_at":"2026-06-24T15:57:28Z","spotify_id":"6iflKrfIDu2TuovhUfXr0Q","type":"track"}

Orfeo ed Euridice, Wq. 30: Melodie dell'Orfeo (Arr. Sgambati for Piano)
type: MusicRecording
duration: PT3M5S
duration ms: 185896
explicit: false
by artist: Christoph Willibald Gluck
by artist: Yuja Wang
in album: The Vienna Recital
  type: MusicAlbum
  date published: 2024-05-03
isrc code: DEN962300260
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T18:10:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03389c7c163d93abbe93d34fa276b6e03ce30ed46ef5fb5351215f3ea70a7d0c
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/78trsH22xRffN5PW2XRfuY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/78trsH22xRffN5PW2XRfuY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x03389c7c163d93abbe93d34fa276b6e03ce30ed46ef5fb5351215f3ea70a7d0c","isrc":"DEN962300260","name":"Orfeo ed Euridice, Wq. 30: Melodie dell'Orfeo (Arr. Sgambati for Piano)","registered_at":"2026-06-09T18:10:46Z","spotify_id":"78trsH22xRffN5PW2XRfuY","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 0x03389c7c163d93abbe93d34fa276b6e03ce30ed46ef5fb5351215f3ea70a7d0c. 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/78trsH22xRffN5PW2XRfuY.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/78trsH22xRffN5PW2XRfuY.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x03389c7c163d93abbe93d34fa276b6e03ce30ed46ef5fb5351215f3ea70a7d0c","isrc":"DEN962300260","name":"Orfeo ed Euridice, Wq. 30: Melodie dell'Orfeo (Arr. Sgambati for Piano)","registered_at":"2026-06-09T18:10:46Z","spotify_id":"78trsH22xRffN5PW2XRfuY","type":"track"}

Ravel
type: MusicAlbum
date published: 2015-10-09
track: Piano Concerto in G Major, M. 83: I. Allegramente
  type: MusicRecording
  duration: PT8M19S
  duration ms: 499760
  explicit: false
  by artist: Maurice Ravel
  by artist: Yuja Wang
  by artist: Tonhalle-Orchester Zürich
  by artist: Lionel Bringuier
  in album: Ravel
    type: MusicAlbum
    date published: 2015-10-09
  isrc code: DEN961500861
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T15:57:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde4c6d5a83e36655c0f1993af649b2ebb58ad88b43e5a5bde44f6d3365af8839
  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/0ADe3QUSOPIBAwB8YfTvVP.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ADe3QUSOPIBAwB8YfTvVP
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xde4c6d5a83e36655c0f1993af649b2ebb58ad88b43e5a5bde44f6d3365af8839","isrc":"DEN961500861","name":"Piano Concerto in G Major, M. 83: I. Allegramente","registered_at":"2026-06-24T15:57:30Z","spotify_id":"0ADe3QUSOPIBAwB8YfTvVP","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 0xde4c6d5a83e36655c0f1993af649b2ebb58ad88b43e5a5bde44f6d3365af8839. 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/0ADe3QUSOPIBAwB8YfTvVP.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/0ADe3QUSOPIBAwB8YfTvVP.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xde4c6d5a83e36655c0f1993af649b2ebb58ad88b43e5a5bde44f6d3365af8839","isrc":"DEN961500861","name":"Piano Concerto in G Major, M. 83: I. Allegramente","registered_at":"2026-06-24T15:57:30Z","spotify_id":"0ADe3QUSOPIBAwB8YfTvVP","type":"track"}
track: Piano Concerto in G Major, M. 83: II. Adagio assai
  type: MusicRecording
  duration: PT8M19S
  duration ms: 499626
  explicit: false
  by artist: Maurice Ravel
  by artist: Yuja Wang
  by artist: Tonhalle-Orchester Zürich
  by artist: Lionel Bringuier
  in album: Ravel
    type: MusicAlbum
    date published: 2015-10-09
  isrc code: DEN961500862
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T22:31:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb63cfa3ad68b393486fb98a1f2c9d6def4f24ac2257493282ff2e1d18b4718ed
  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/6uILUw1lRfF6k3jLzEvSE0.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uILUw1lRfF6k3jLzEvSE0
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb63cfa3ad68b393486fb98a1f2c9d6def4f24ac2257493282ff2e1d18b4718ed","isrc":"DEN961500862","name":"Piano Concerto in G Major, M. 83: II. Adagio assai","registered_at":"2026-06-05T22:31:59Z","spotify_id":"6uILUw1lRfF6k3jLzEvSE0","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 0xb63cfa3ad68b393486fb98a1f2c9d6def4f24ac2257493282ff2e1d18b4718ed. 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/6uILUw1lRfF6k3jLzEvSE0.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/6uILUw1lRfF6k3jLzEvSE0.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xb63cfa3ad68b393486fb98a1f2c9d6def4f24ac2257493282ff2e1d18b4718ed","isrc":"DEN961500862","name":"Piano Concerto in G Major, M. 83: II. Adagio assai","registered_at":"2026-06-05T22:31:59Z","spotify_id":"6uILUw1lRfF6k3jLzEvSE0","type":"track"}
track: Piano Concerto in G Major, M. 83: III. Presto
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240146
  explicit: false
  by artist: Maurice Ravel
  by artist: Yuja Wang
  by artist: Tonhalle-Orchester Zürich
  by artist: Lionel Bringuier
  in album: Ravel
    type: MusicAlbum
    date published: 2015-10-09
  isrc code: DEN961500863
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T15:58:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf41b24f72e5eebee405e82ba31fd1ec72cd0d059fee8dbba70b17df6c83c8edb
  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/0ijUlixVYlHkjJGEOJ7fIB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ijUlixVYlHkjJGEOJ7fIB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf41b24f72e5eebee405e82ba31fd1ec72cd0d059fee8dbba70b17df6c83c8edb","isrc":"DEN961500863","name":"Piano Concerto in G Major, M. 83: III. Presto","registered_at":"2026-06-24T15:58:34Z","spotify_id":"0ijUlixVYlHkjJGEOJ7fIB","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 0xf41b24f72e5eebee405e82ba31fd1ec72cd0d059fee8dbba70b17df6c83c8edb. 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/0ijUlixVYlHkjJGEOJ7fIB.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/0ijUlixVYlHkjJGEOJ7fIB.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xf41b24f72e5eebee405e82ba31fd1ec72cd0d059fee8dbba70b17df6c83c8edb","isrc":"DEN961500863","name":"Piano Concerto in G Major, M. 83: III. Presto","registered_at":"2026-06-24T15:58:34Z","spotify_id":"0ijUlixVYlHkjJGEOJ7fIB","type":"track"}
track: Ballade in F sharp, Op. 19
  type: MusicRecording
  duration: PT12M5S
  duration ms: 725066
  explicit: false
  by artist: Gabriel Fauré
  by artist: Yuja Wang
  in album: Ravel
    type: MusicAlbum
    date published: 2015-10-09
  isrc code: DEN961500870
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:08:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x72749435bfc02fe3ff0bec012dfb4a9f9747809dc254e59106c577eec39b0744
  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/4qWNJf8rKsAeffPAahn13j.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4qWNJf8rKsAeffPAahn13j
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x72749435bfc02fe3ff0bec012dfb4a9f9747809dc254e59106c577eec39b0744","isrc":"DEN961500870","name":"Ballade in F sharp, Op. 19","registered_at":"2026-06-21T05:08:45Z","spotify_id":"4qWNJf8rKsAeffPAahn13j","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 0x72749435bfc02fe3ff0bec012dfb4a9f9747809dc254e59106c577eec39b0744. 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/4qWNJf8rKsAeffPAahn13j.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/4qWNJf8rKsAeffPAahn13j.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x72749435bfc02fe3ff0bec012dfb4a9f9747809dc254e59106c577eec39b0744","isrc":"DEN961500870","name":"Ballade in F sharp, Op. 19","registered_at":"2026-06-21T05:08:45Z","spotify_id":"4qWNJf8rKsAeffPAahn13j","type":"track"}
track: Piano Concerto for the Left Hand, M. 82: I. Lento
track: Piano Concerto for the Left Hand, M. 82: II. Allegro
track: Piano Concerto for the Left Hand, M. 82: III. Tempo I

Piano Concerto for the Left Hand, M. 82: I. Lento
type: MusicRecording
duration: PT7M40S
duration ms: 460933
explicit: false
by artist: Maurice Ravel
by artist: Yuja Wang
by artist: Tonhalle-Orchester Zürich
by artist: Lionel Bringuier
in album: Ravel
  type: MusicAlbum
  date published: 2015-10-09
isrc code: DEN961500881
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:31:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7531a6c1e3cb68c15a68036680e8e4973ed9f5ddc821d10c7b27b4277cd8210f
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/73SaFJUeWlfltQIJ48xxaQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73SaFJUeWlfltQIJ48xxaQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7531a6c1e3cb68c15a68036680e8e4973ed9f5ddc821d10c7b27b4277cd8210f","isrc":"DEN961500881","name":"Piano Concerto for the Left Hand, M. 82: I. Lento","registered_at":"2026-06-19T13:31:08Z","spotify_id":"73SaFJUeWlfltQIJ48xxaQ","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 0x7531a6c1e3cb68c15a68036680e8e4973ed9f5ddc821d10c7b27b4277cd8210f. 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/73SaFJUeWlfltQIJ48xxaQ.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/73SaFJUeWlfltQIJ48xxaQ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7531a6c1e3cb68c15a68036680e8e4973ed9f5ddc821d10c7b27b4277cd8210f","isrc":"DEN961500881","name":"Piano Concerto for the Left Hand, M. 82: I. Lento","registered_at":"2026-06-19T13:31:08Z","spotify_id":"73SaFJUeWlfltQIJ48xxaQ","type":"track"}

Piano Concerto for the Left Hand, M. 82: II. Allegro
type: MusicRecording
duration: PT4M51S
duration ms: 291253
explicit: false
by artist: Maurice Ravel
by artist: Yuja Wang
by artist: Tonhalle-Orchester Zürich
by artist: Lionel Bringuier
in album: Ravel
  type: MusicAlbum
  date published: 2015-10-09
isrc code: DEN961500882
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:58:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcbc423e9024b34e44efe592500a296a14935e531ac35bf09166bf069a34b929
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/5PVc8A1GZXlnUImZWM41yX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5PVc8A1GZXlnUImZWM41yX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdcbc423e9024b34e44efe592500a296a14935e531ac35bf09166bf069a34b929","isrc":"DEN961500882","name":"Piano Concerto for the Left Hand, M. 82: II. Allegro","registered_at":"2026-06-24T15:58:42Z","spotify_id":"5PVc8A1GZXlnUImZWM41yX","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 0xdcbc423e9024b34e44efe592500a296a14935e531ac35bf09166bf069a34b929. 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/5PVc8A1GZXlnUImZWM41yX.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/5PVc8A1GZXlnUImZWM41yX.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xdcbc423e9024b34e44efe592500a296a14935e531ac35bf09166bf069a34b929","isrc":"DEN961500882","name":"Piano Concerto for the Left Hand, M. 82: II. Allegro","registered_at":"2026-06-24T15:58:42Z","spotify_id":"5PVc8A1GZXlnUImZWM41yX","type":"track"}

Piano Concerto for the Left Hand, M. 82: III. Tempo I
type: MusicRecording
duration: PT4M56S
duration ms: 296146
explicit: false
by artist: Maurice Ravel
by artist: Yuja Wang
by artist: Tonhalle-Orchester Zürich
by artist: Lionel Bringuier
in album: Ravel
  type: MusicAlbum
  date published: 2015-10-09
isrc code: DEN961500883
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T09:18:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95b472747ecb185343341c85258f2034ebf0c818aa49372c5e27d2492ea565c3
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/0ZKkOY94jKf44omvhRE96u.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ZKkOY94jKf44omvhRE96u
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x95b472747ecb185343341c85258f2034ebf0c818aa49372c5e27d2492ea565c3","isrc":"DEN961500883","name":"Piano Concerto for the Left Hand, M. 82: III. Tempo I","registered_at":"2026-06-22T09:18:24Z","spotify_id":"0ZKkOY94jKf44omvhRE96u","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 0x95b472747ecb185343341c85258f2034ebf0c818aa49372c5e27d2492ea565c3. 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/0ZKkOY94jKf44omvhRE96u.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/0ZKkOY94jKf44omvhRE96u.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x95b472747ecb185343341c85258f2034ebf0c818aa49372c5e27d2492ea565c3","isrc":"DEN961500883","name":"Piano Concerto for the Left Hand, M. 82: III. Tempo I","registered_at":"2026-06-22T09:18:24Z","spotify_id":"0ZKkOY94jKf44omvhRE96u","type":"track"}

Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
type: MusicAlbum
date published: 2023-06-16
track: Études / Book 1: No. 4, Fanfares - Live
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219520
  explicit: false
  by artist: György Ligeti
  by artist: Yuja Wang
  in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: DEN962331801
track: Études / Book 2: No. 10, Der Zauberlehrling - Live
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144253
  explicit: false
  by artist: György Ligeti
  by artist: Yuja Wang
  in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: DEN962331802
track: Piano Sonata in B Minor, S. 178: Ia. Lento assai - Allegro energico - Live
  type: MusicRecording
  duration: PT12M30S
  duration ms: 750920
  explicit: false
  by artist: Franz Liszt
  by artist: Yuja Wang
  in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: DEN962331803
track: Piano Sonata in B Minor, S. 178: Ib. Lento assai - Andante sostenuto - Live
  type: MusicRecording
  duration: PT7M46S
  duration ms: 466066
  explicit: false
  by artist: Franz Liszt
  by artist: Yuja Wang
  in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: DEN962331804
track: Piano Sonata in B Minor, S. 178: Ic. Allegro energico - Andante sostenuto - Live
  type: MusicRecording
  duration: PT11M23S
  duration ms: 683586
  explicit: false
  by artist: Franz Liszt
  by artist: Yuja Wang
  in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: DEN962331805
track: 14 Romances, Op. 34: No. 14, Vocalise (Arr. Kocsis for Piano) - Live
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245813
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: DEN962331806
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T00:12:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xae54cab137de3fc0501fa954b82a9b9b8df7a50f8e50116dd6cf40dcb1509edb
  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/2eU2Rb4IgSx9MUsk1CLZn6.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eU2Rb4IgSx9MUsk1CLZn6
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xae54cab137de3fc0501fa954b82a9b9b8df7a50f8e50116dd6cf40dcb1509edb","isrc":"DEN962331806","name":"14 Romances, Op. 34: No. 14, Vocalise (Arr. Kocsis for Piano) - Live","registered_at":"2026-06-21T00:12:40Z","spotify_id":"2eU2Rb4IgSx9MUsk1CLZn6","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 0xae54cab137de3fc0501fa954b82a9b9b8df7a50f8e50116dd6cf40dcb1509edb. 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/2eU2Rb4IgSx9MUsk1CLZn6.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/2eU2Rb4IgSx9MUsk1CLZn6.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xae54cab137de3fc0501fa954b82a9b9b8df7a50f8e50116dd6cf40dcb1509edb","isrc":"DEN962331806","name":"14 Romances, Op. 34: No. 14, Vocalise (Arr. Kocsis for Piano) - Live","registered_at":"2026-06-21T00:12:40Z","spotify_id":"2eU2Rb4IgSx9MUsk1CLZn6","type":"track"}
track: A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) - Live
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246560
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: DEN962331807
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:15:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x023177826b7a0ac3d469bff271cb3f34231f6a30be72b2bb69ccd43453be74f8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0zNrCWvizEYtZ0a7Lq5fGQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zNrCWvizEYtZ0a7Lq5fGQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x023177826b7a0ac3d469bff271cb3f34231f6a30be72b2bb69ccd43453be74f8","isrc":"DEN962331807","name":"A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) - Live","registered_at":"2026-06-21T05:15:35Z","spotify_id":"0zNrCWvizEYtZ0a7Lq5fGQ","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 0x023177826b7a0ac3d469bff271cb3f34231f6a30be72b2bb69ccd43453be74f8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0zNrCWvizEYtZ0a7Lq5fGQ.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/0zNrCWvizEYtZ0a7Lq5fGQ.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x023177826b7a0ac3d469bff271cb3f34231f6a30be72b2bb69ccd43453be74f8","isrc":"DEN962331807","name":"A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) - Live","registered_at":"2026-06-21T05:15:35Z","spotify_id":"0zNrCWvizEYtZ0a7Lq5fGQ","type":"track"}
track: The Tale of Tsar Saltan: Flight of the Bumblebee (Arr. Rachmaninoff for Piano) - Live
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114000
  explicit: false
  by artist: Nikolai Rimsky-Korsakov
  by artist: Yuja Wang
  in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: DEN962331808
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T22:41:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ae45cc66b9908bef89d029127873a3e05b05f48ad5fdc1c9799129d44a60473
  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/3s8iYAIUG2WSgvN209s4z2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3s8iYAIUG2WSgvN209s4z2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0ae45cc66b9908bef89d029127873a3e05b05f48ad5fdc1c9799129d44a60473","isrc":"DEN962331808","name":"The Tale of Tsar Saltan: Flight of the Bumblebee (Arr. Rachmaninoff for Piano) - Live","registered_at":"2026-06-21T22:41:52Z","spotify_id":"3s8iYAIUG2WSgvN209s4z2","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 0x0ae45cc66b9908bef89d029127873a3e05b05f48ad5fdc1c9799129d44a60473. 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/3s8iYAIUG2WSgvN209s4z2.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/3s8iYAIUG2WSgvN209s4z2.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x0ae45cc66b9908bef89d029127873a3e05b05f48ad5fdc1c9799129d44a60473","isrc":"DEN962331808","name":"The Tale of Tsar Saltan: Flight of the Bumblebee (Arr. Rachmaninoff for Piano) - Live","registered_at":"2026-06-21T22:41:52Z","spotify_id":"3s8iYAIUG2WSgvN209s4z2","type":"track"}
track: Piano Sonata No. 2 in G-Sharp Minor, Op. 19 "Sonata Fantasy": I. Andante - Live
track: Piano Sonata No. 2 in G-Sharp Minor, Op. 19 "Sonata Fantasy": II. Presto - Live
track: La valse, M. 72 - Live

Piano Sonata No. 2 in G-Sharp Minor, Op. 19 "Sonata Fantasy": I. Andante - Live
type: MusicRecording
duration: PT8M3S
duration ms: 483706
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
  type: MusicAlbum
  date published: 2023-06-16
isrc code: DEN962331809

Piano Sonata No. 2 in G-Sharp Minor, Op. 19 "Sonata Fantasy": II. Presto - Live
type: MusicRecording
duration: PT3M55S
duration ms: 235986
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
  type: MusicAlbum
  date published: 2023-06-16
isrc code: DEN962331810

La valse, M. 72 - Live
type: MusicRecording
duration: PT11M19S
duration ms: 679133
explicit: false
by artist: Maurice Ravel
by artist: Yuja Wang
in album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
  type: MusicAlbum
  date published: 2023-06-16
isrc code: DEN962331811

The American Project
type: MusicAlbum
date published: 2023-03-10
track: You Come Here Often?
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273546
  explicit: false
  by artist: Michael Tilson Thomas
  by artist: Yuja Wang
  in album: The American Project
    type: MusicAlbum
    date published: 2023-03-10
  isrc code: DEN962202730
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T09:59:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf225ac95b45875d36a67f1eed04d9f35fc167ef14c943145274f3d35d3d9d6c
  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/02QadtPHu4QOHi9dtDDk2Q.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/02QadtPHu4QOHi9dtDDk2Q
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdf225ac95b45875d36a67f1eed04d9f35fc167ef14c943145274f3d35d3d9d6c","isrc":"DEN962202730","name":"You Come Here Often?","registered_at":"2026-06-23T09:59:10Z","spotify_id":"02QadtPHu4QOHi9dtDDk2Q","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 0xdf225ac95b45875d36a67f1eed04d9f35fc167ef14c943145274f3d35d3d9d6c. 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/02QadtPHu4QOHi9dtDDk2Q.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/02QadtPHu4QOHi9dtDDk2Q.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xdf225ac95b45875d36a67f1eed04d9f35fc167ef14c943145274f3d35d3d9d6c","isrc":"DEN962202730","name":"You Come Here Often?","registered_at":"2026-06-23T09:59:10Z","spotify_id":"02QadtPHu4QOHi9dtDDk2Q","type":"track"}
track: Piano Concerto: I. Overture. Swing
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145333
  explicit: false
  by artist: Teddy Abrams
  by artist: Yuja Wang
  by artist: Louisville Orchestra
  in album: The American Project
    type: MusicAlbum
    date published: 2023-03-10
  isrc code: DEN962237201
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:45:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4b884452e6be3daa9f1d0464e91219e333a1fdc8af78ee07065c1638223965fd
  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/1eivY32dlMXoQxAwTwSNb4.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1eivY32dlMXoQxAwTwSNb4
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4b884452e6be3daa9f1d0464e91219e333a1fdc8af78ee07065c1638223965fd","isrc":"DEN962237201","name":"Piano Concerto: I. Overture. Swing","registered_at":"2026-06-25T17:45:08Z","spotify_id":"1eivY32dlMXoQxAwTwSNb4","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 0x4b884452e6be3daa9f1d0464e91219e333a1fdc8af78ee07065c1638223965fd. 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/1eivY32dlMXoQxAwTwSNb4.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/1eivY32dlMXoQxAwTwSNb4.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x4b884452e6be3daa9f1d0464e91219e333a1fdc8af78ee07065c1638223965fd","isrc":"DEN962237201","name":"Piano Concerto: I. Overture. Swing","registered_at":"2026-06-25T17:45:08Z","spotify_id":"1eivY32dlMXoQxAwTwSNb4","type":"track"}
track: Piano Concerto: II. Cadenza I
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329613
  explicit: false
  by artist: Teddy Abrams
  by artist: Yuja Wang
  by artist: Louisville Orchestra
  in album: The American Project
    type: MusicAlbum
    date published: 2023-03-10
  isrc code: DEN962237202
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T10:39:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ade5a75de248212d4eb27721a0c3b69a587ab6645de4ce94bc17d2813691e82
  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/37Ejh9eUT29WTp3v2aqF8X.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/37Ejh9eUT29WTp3v2aqF8X
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8ade5a75de248212d4eb27721a0c3b69a587ab6645de4ce94bc17d2813691e82","isrc":"DEN962237202","name":"Piano Concerto: II. Cadenza I","registered_at":"2026-06-23T10:39:30Z","spotify_id":"37Ejh9eUT29WTp3v2aqF8X","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 0x8ade5a75de248212d4eb27721a0c3b69a587ab6645de4ce94bc17d2813691e82. 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/37Ejh9eUT29WTp3v2aqF8X.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/37Ejh9eUT29WTp3v2aqF8X.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x8ade5a75de248212d4eb27721a0c3b69a587ab6645de4ce94bc17d2813691e82","isrc":"DEN962237202","name":"Piano Concerto: II. Cadenza I","registered_at":"2026-06-23T10:39:30Z","spotify_id":"37Ejh9eUT29WTp3v2aqF8X","type":"track"}
track: Piano Concerto: III. Exposition
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159626
  explicit: false
  by artist: Teddy Abrams
  by artist: Yuja Wang
  by artist: Louisville Orchestra
  in album: The American Project
    type: MusicAlbum
    date published: 2023-03-10
  isrc code: DEN962237203
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T20:02:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6e1b139821ecb5fc51e6eba4689254e8666da15d79abc905195980844cbd7129
  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/2BYkruPJLNa1NkcDdhmLLy.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2BYkruPJLNa1NkcDdhmLLy
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6e1b139821ecb5fc51e6eba4689254e8666da15d79abc905195980844cbd7129","isrc":"DEN962237203","name":"Piano Concerto: III. Exposition","registered_at":"2026-06-25T20:02:10Z","spotify_id":"2BYkruPJLNa1NkcDdhmLLy","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 0x6e1b139821ecb5fc51e6eba4689254e8666da15d79abc905195980844cbd7129. 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/2BYkruPJLNa1NkcDdhmLLy.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/2BYkruPJLNa1NkcDdhmLLy.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x6e1b139821ecb5fc51e6eba4689254e8666da15d79abc905195980844cbd7129","isrc":"DEN962237203","name":"Piano Concerto: III. Exposition","registered_at":"2026-06-25T20:02:10Z","spotify_id":"2BYkruPJLNa1NkcDdhmLLy","type":"track"}
track: Piano Concerto: IV. Orchestra Break
track: Piano Concerto: V. Exploration
track: Piano Concerto: VI. Cadenza II
track: Piano Concerto: VII. Relaxed
track: Piano Concerto: VIII. Solos
track: Piano Concerto: IX. Cadenza III
track: Piano Concerto: X. Return. Swing
track: Piano Concerto: XI. Cadenza IV & Coda

Piano Concerto: IV. Orchestra Break
type: MusicRecording
duration: PT0M46S
duration ms: 46920
explicit: false
by artist: Teddy Abrams
by artist: Louisville Orchestra
in album: The American Project
  type: MusicAlbum
  date published: 2023-03-10
isrc code: DEN962237204

Piano Concerto: V. Exploration
type: MusicRecording
duration: PT4M56S
duration ms: 296000
explicit: false
by artist: Teddy Abrams
by artist: Yuja Wang
by artist: Louisville Orchestra
in album: The American Project
  type: MusicAlbum
  date published: 2023-03-10
isrc code: DEN962237205
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:46:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2172a1202158e2b79ff0659c425feac0985112e1e39ba3d05db693732fc3fd27
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/6xTf4VV73lDASQy7kGMneh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xTf4VV73lDASQy7kGMneh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2172a1202158e2b79ff0659c425feac0985112e1e39ba3d05db693732fc3fd27","isrc":"DEN962237205","name":"Piano Concerto: V. Exploration","registered_at":"2026-06-25T17:46:14Z","spotify_id":"6xTf4VV73lDASQy7kGMneh","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 0x2172a1202158e2b79ff0659c425feac0985112e1e39ba3d05db693732fc3fd27. 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/6xTf4VV73lDASQy7kGMneh.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/6xTf4VV73lDASQy7kGMneh.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x2172a1202158e2b79ff0659c425feac0985112e1e39ba3d05db693732fc3fd27","isrc":"DEN962237205","name":"Piano Concerto: V. Exploration","registered_at":"2026-06-25T17:46:14Z","spotify_id":"6xTf4VV73lDASQy7kGMneh","type":"track"}

Piano Concerto: VI. Cadenza II
type: MusicRecording
duration: PT4M50S
duration ms: 290506
explicit: false
by artist: Teddy Abrams
by artist: Yuja Wang
by artist: Louisville Orchestra
in album: The American Project
  type: MusicAlbum
  date published: 2023-03-10
isrc code: DEN962237206

Piano Concerto: VII. Relaxed
type: MusicRecording
duration: PT2M29S
duration ms: 149533
explicit: false
by artist: Teddy Abrams
by artist: Yuja Wang
by artist: Louisville Orchestra
in album: The American Project
  type: MusicAlbum
  date published: 2023-03-10
isrc code: DEN962237207

Piano Concerto: VIII. Solos
type: MusicRecording
duration: PT5M13S
duration ms: 313293
explicit: false
by artist: Teddy Abrams
by artist: Yuja Wang
by artist: Louisville Orchestra
in album: The American Project
  type: MusicAlbum
  date published: 2023-03-10
isrc code: DEN962237208

Piano Concerto: IX. Cadenza III
type: MusicRecording
duration: PT3M39S
duration ms: 219213
explicit: false
by artist: Teddy Abrams
by artist: Yuja Wang
by artist: Louisville Orchestra
in album: The American Project
  type: MusicAlbum
  date published: 2023-03-10
isrc code: DEN962237209

Piano Concerto: X. Return. Swing
type: MusicRecording
duration: PT2M11S
duration ms: 131000
explicit: false
by artist: Teddy Abrams
by artist: Yuja Wang
by artist: Louisville Orchestra
in album: The American Project
  type: MusicAlbum
  date published: 2023-03-10
isrc code: DEN962237210

Piano Concerto: XI. Cadenza IV & Coda
type: MusicRecording
duration: PT2M43S
duration ms: 163533
explicit: false
by artist: Teddy Abrams
by artist: Yuja Wang
by artist: Louisville Orchestra
in album: The American Project
  type: MusicAlbum
  date published: 2023-03-10
isrc code: DEN962237211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:27:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad04a9a269cf1f041a4935231af9113b3a67150f4fa78ea31d456483de373a8d
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/3VI0Ble94EP7HE6JMzyFzD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3VI0Ble94EP7HE6JMzyFzD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad04a9a269cf1f041a4935231af9113b3a67150f4fa78ea31d456483de373a8d","isrc":"DEN962237211","name":"Piano Concerto: XI. Cadenza IV & Coda","registered_at":"2026-06-18T14:27:23Z","spotify_id":"3VI0Ble94EP7HE6JMzyFzD","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 0xad04a9a269cf1f041a4935231af9113b3a67150f4fa78ea31d456483de373a8d. 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/3VI0Ble94EP7HE6JMzyFzD.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/3VI0Ble94EP7HE6JMzyFzD.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xad04a9a269cf1f041a4935231af9113b3a67150f4fa78ea31d456483de373a8d","isrc":"DEN962237211","name":"Piano Concerto: XI. Cadenza IV & Coda","registered_at":"2026-06-18T14:27:23Z","spotify_id":"3VI0Ble94EP7HE6JMzyFzD","type":"track"}

The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
type: MusicAlbum
date published: 2022-11-25
track: Double Concerto for Piano, Cello, and Orchestra "Romantic Offering": I. Moderato quasi andantino - Live
  type: MusicRecording
  duration: PT12M1S
  duration ms: 721160
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Martha Argerich
  by artist: Mischa Maisky
  by artist: Verbier Festival Orchestra
  by artist: Neeme Järvi
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
  isrc code: DEN962202661
track: Double Concerto for Piano, Cello, and Orchestra "Romantic Offering": II. Allegro - Live
  type: MusicRecording
  duration: PT6M46S
  duration ms: 406013
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Martha Argerich
  by artist: Mischa Maisky
  by artist: Verbier Festival Orchestra
  by artist: Neeme Järvi
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
  isrc code: DEN962202662
track: Double Concerto for Piano, Cello, and Orchestra "Romantic Offering": III. Sostenuto assai - Live
  type: MusicRecording
  duration: PT9M32S
  duration ms: 572400
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Martha Argerich
  by artist: Mischa Maisky
  by artist: Verbier Festival Orchestra
  by artist: Neeme Järvi
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
  isrc code: DEN962202663
track: Ancient Traditional Russian Melody: I. Lento in poco rubato - Live
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191053
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Sol Gabetta
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
  isrc code: DEN962202671
track: Ancient Traditional Russian Melody: II. Allegro, ma non troppo - Live
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140053
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Sol Gabetta
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
  isrc code: DEN962202672
track: Ancient Traditional Russian Melody: III. Maestoso - Live
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234120
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Sol Gabetta
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: Ancient Traditional Russian Melody: IV. Adagietto - Live
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280240
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Sol Gabetta
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: Ancient Traditional Russian Melody: V. Moderato - Live
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244626
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Sol Gabetta
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Pieces for Piano Four Hands "Romantic Duets": No. 1, Andante cantabile - Live
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145106
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Roland Pöntinen
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Pieces for Piano Four Hands "Romantic Duets": No. 2, Allegro sotto voce - Live
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166293
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Roland Pöntinen
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Pieces for Piano Four Hands "Romantic Duets": No. 3, Maestoso con moto - Live
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141106
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Roland Pöntinen
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Pieces for Piano Four Hands "Romantic Duets": No. 4, Allegretto moderato, a la gypsy - Live
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210733
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Roland Pöntinen
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Pieces for Piano Four Hands "Romantic Duets": No. 5, Allegro, ma non troppo - Live
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113280
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Roland Pöntinen
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Pieces for Piano Four Hands "Romantic Duets": No. 6, Andante recitando - Live
  type: MusicRecording
  duration: PT7M28S
  duration ms: 448746
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Roland Pöntinen
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Pieces for Piano Four Hands "Romantic Duets": No. 7, (Coda) Prestissimo - Live
  type: MusicRecording
  duration: PT1M17S
  duration ms: 77933
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Roland Pöntinen
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: Concerto for Orchestra No. 1 "Naughty Limericks" - Live
  type: MusicRecording
  duration: PT8M43S
  duration ms: 523533
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Verbier Festival Orchestra
  by artist: Mikhail Pletnev
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
  isrc code: DEN962202690
track: 7 Impromptus "Artless Pages'": No. 1, Romantic Etude (Staccato-Etude) - Live
  type: MusicRecording
  duration: PT1M28S
  duration ms: 88800
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Yuja Wang
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Impromptus "Artless Pages'": No. 2, Unforgettable Micaëla - Live
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126706
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Yuja Wang
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
    type: MusicAlbum
    date published: 2022-11-25
track: 7 Impromptus "Artless Pages'": No. 3, Music to Chekhov's Play - Live
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216946
  explicit: false
  by artist: Rodion Shchedrin
  by artist: Yuja Wang
  in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
track: 7 Impromptus "Artless Pages'": No. 4, The Tsar's Cortege - Live
track: 7 Impromptus "Artless Pages'": No. 5, Aria - Live
track: 7 Impromptus "Artless Pages'": No. 6, Reminiscenses of Old-Age Romances ... - Live
track: 7 Impromptus "Artless Pages'": No. 7, The Politician Speaks ... ! - Live

Rodion Shchedrin
type: MusicGroup

Yuja Wang
type: MusicGroup

The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
type: MusicAlbum
date published: 2022-11-25

7 Impromptus "Artless Pages'": No. 4, The Tsar's Cortege - Live
type: MusicRecording
duration: PT2M23S
duration ms: 143240
explicit: false
by artist: Rodion Shchedrin
by artist: Yuja Wang
in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
  type: MusicAlbum
  date published: 2022-11-25

7 Impromptus "Artless Pages'": No. 5, Aria - Live
type: MusicRecording
duration: PT3M26S
duration ms: 206893
explicit: false
by artist: Rodion Shchedrin
by artist: Yuja Wang
in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
  type: MusicAlbum
  date published: 2022-11-25

7 Impromptus "Artless Pages'": No. 6, Reminiscenses of Old-Age Romances ... - Live
type: MusicRecording
duration: PT2M47S
duration ms: 167173
explicit: false
by artist: Rodion Shchedrin
by artist: Yuja Wang
in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
  type: MusicAlbum
  date published: 2022-11-25

7 Impromptus "Artless Pages'": No. 7, The Politician Speaks ... ! - Live
type: MusicRecording
duration: PT3M40S
duration ms: 220200
explicit: false
by artist: Rodion Shchedrin
by artist: Yuja Wang
in album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
  type: MusicAlbum
  date published: 2022-11-25

Rachmaninoff & Brahms
type: MusicAlbum
date published: 2022-09-02
track: Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
  type: MusicRecording
  duration: PT13M37S
  duration ms: 817826
  explicit: false
  by artist: Johannes Brahms
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff & Brahms
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: DEN962200511
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T17:59:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe4cd5f8d1ecfa18e4fea5c57d88d185d34b8e20d1261470bc8aade684de0acc9
  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/2Vz0rbUTQsJmjwTJQZaSP7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Vz0rbUTQsJmjwTJQZaSP7
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe4cd5f8d1ecfa18e4fea5c57d88d185d34b8e20d1261470bc8aade684de0acc9","isrc":"DEN962200511","name":"Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo","registered_at":"2026-06-06T17:59:28Z","spotify_id":"2Vz0rbUTQsJmjwTJQZaSP7","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 0xe4cd5f8d1ecfa18e4fea5c57d88d185d34b8e20d1261470bc8aade684de0acc9. 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/2Vz0rbUTQsJmjwTJQZaSP7.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/2Vz0rbUTQsJmjwTJQZaSP7.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xe4cd5f8d1ecfa18e4fea5c57d88d185d34b8e20d1261470bc8aade684de0acc9","isrc":"DEN962200511","name":"Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo","registered_at":"2026-06-06T17:59:28Z","spotify_id":"2Vz0rbUTQsJmjwTJQZaSP7","type":"track"}
track: Cello Sonata No. 1 in E Minor, Op. 38: II. Allegretto quasi minuetto
  type: MusicRecording
  duration: PT5M8S
  duration ms: 308440
  explicit: false
  by artist: Johannes Brahms
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff & Brahms
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: DEN962200512
track: Cello Sonata No. 1 in E Minor, Op. 38: III. Allegro - Più presto
  type: MusicRecording
  duration: PT6M29S
  duration ms: 389680
  explicit: false
  by artist: Johannes Brahms
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff & Brahms
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: DEN962200513
track: Cello Sonata in G Minor, Op. 19: I. Lento. Allegro moderato
  type: MusicRecording
  duration: PT12M5S
  duration ms: 725066
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff & Brahms
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: DEN962101861
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T13:00:48+00:00
track: Cello Sonata in G Minor, Op. 19: II. Allegro scherzando
  type: MusicRecording
  duration: PT6M25S
  duration ms: 385493
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff & Brahms
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: DEN962101862
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T12:57:35+00:00
track: Cello Sonata in G Minor, Op. 19: III. Andante
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339506
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff & Brahms
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: DEN962101863
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:07:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956891
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1VIDaFQ6r9TjMEsUZsGh4Y.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1VIDaFQ6r9TjMEsUZsGh4Y
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc","isrc":"DEN962101863","name":"Cello Sonata in G Minor, Op. 19: III. Andante","registered_at":"2026-06-07T08:07:03Z","spotify_id":"1VIDaFQ6r9TjMEsUZsGh4Y","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 0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1VIDaFQ6r9TjMEsUZsGh4Y.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/1VIDaFQ6r9TjMEsUZsGh4Y.
    date published: 2026-07-06T07:16:32Z
    text: {"copyright_id":"0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc","isrc":"DEN962101863","name":"Cello Sonata in G Minor, Op. 19: III. Andante","registered_at":"2026-06-07T08:07:03Z","spotify_id":"1VIDaFQ6r9TjMEsUZsGh4Y","type":"track"}
track: Cello Sonata in G Minor, Op. 19: IV. Allegro mosso
  type: MusicRecording
  duration: PT10M4S
  duration ms: 604600
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff & Brahms
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: DEN962101864
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T05:02:16+00:00
track: Clarinet Trio in A Minor, Op. 114: I. Allegro
  type: MusicRecording
  duration: PT7M39S
  duration ms: 459213
  explicit: false
  by artist: Johannes Brahms
  by artist: Andreas Ottensamer
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff & Brahms
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: DEN962200521
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T22:32:23+00:00
track: Clarinet Trio in A Minor, Op. 114: II. Adagio
track: Clarinet Trio in A Minor, Op. 114: III. Andantino grazioso
track: Clarinet Trio in A Minor, Op. 114: IV. Allegro

Clarinet Trio in A Minor, Op. 114: II. Adagio
type: MusicRecording
duration: PT7M7S
duration ms: 427906
explicit: false
by artist: Johannes Brahms
by artist: Andreas Ottensamer
by artist: Gautier Capuçon
by artist: Yuja Wang
in album: Rachmaninoff & Brahms
  type: MusicAlbum
  date published: 2022-09-02
isrc code: DEN962200522

Clarinet Trio in A Minor, Op. 114: III. Andantino grazioso
type: MusicRecording
duration: PT4M16S
duration ms: 256586
explicit: false
by artist: Johannes Brahms
by artist: Andreas Ottensamer
by artist: Gautier Capuçon
by artist: Yuja Wang
in album: Rachmaninoff & Brahms
  type: MusicAlbum
  date published: 2022-09-02
isrc code: DEN962200523

Clarinet Trio in A Minor, Op. 114: IV. Allegro
type: MusicRecording
duration: PT4M21S
duration ms: 261173
explicit: false
by artist: Johannes Brahms
by artist: Andreas Ottensamer
by artist: Gautier Capuçon
by artist: Yuja Wang
in album: Rachmaninoff & Brahms
  type: MusicAlbum
  date published: 2022-09-02
isrc code: DEN962200524
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:04:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc64363b4908d10aa7bb00d7deb4a9e2e29204b5f733bf1c60eecf14132bce3f
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/4nb7T8NQsLEkk7jCUkwSSi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4nb7T8NQsLEkk7jCUkwSSi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcc64363b4908d10aa7bb00d7deb4a9e2e29204b5f733bf1c60eecf14132bce3f","isrc":"DEN962200524","name":"Clarinet Trio in A Minor, Op. 114: IV. Allegro","registered_at":"2026-06-10T05:04:31Z","spotify_id":"4nb7T8NQsLEkk7jCUkwSSi","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 0xcc64363b4908d10aa7bb00d7deb4a9e2e29204b5f733bf1c60eecf14132bce3f. 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/4nb7T8NQsLEkk7jCUkwSSi.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/4nb7T8NQsLEkk7jCUkwSSi.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xcc64363b4908d10aa7bb00d7deb4a9e2e29204b5f733bf1c60eecf14132bce3f","isrc":"DEN962200524","name":"Clarinet Trio in A Minor, Op. 114: IV. Allegro","registered_at":"2026-06-10T05:04:31Z","spotify_id":"4nb7T8NQsLEkk7jCUkwSSi","type":"track"}

Yuja Wang Plays Mendelssohn (Live)
type: MusicAlbum
date published: 2022-04-22
track: Piano Concerto No. 1 in G Minor, Op. 25: I. Molto allegro con fuoco - Live
  type: MusicRecording
  duration: PT6M57S
  duration ms: 417400
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  by artist: Verbier Festival Orchestra
  by artist: Kurt Masur
  in album: Yuja Wang Plays Mendelssohn (Live)
    type: MusicAlbum
    date published: 2022-04-22
  isrc code: DEN960902821
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:02:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa98533cf404a346ca69554887131b0044ab56326e0eac3e0ce8aa58197ba8d60
  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/3ATWH5vA5wH8iKKA4Tlx1b.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ATWH5vA5wH8iKKA4Tlx1b
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa98533cf404a346ca69554887131b0044ab56326e0eac3e0ce8aa58197ba8d60","isrc":"DEN960902821","name":"Piano Concerto No. 1 in G Minor, Op. 25: I. Molto allegro con fuoco - Live","registered_at":"2026-06-21T05:02:35Z","spotify_id":"3ATWH5vA5wH8iKKA4Tlx1b","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 0xa98533cf404a346ca69554887131b0044ab56326e0eac3e0ce8aa58197ba8d60. 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/3ATWH5vA5wH8iKKA4Tlx1b.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/3ATWH5vA5wH8iKKA4Tlx1b.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xa98533cf404a346ca69554887131b0044ab56326e0eac3e0ce8aa58197ba8d60","isrc":"DEN960902821","name":"Piano Concerto No. 1 in G Minor, Op. 25: I. Molto allegro con fuoco - Live","registered_at":"2026-06-21T05:02:35Z","spotify_id":"3ATWH5vA5wH8iKKA4Tlx1b","type":"track"}
track: Piano Concerto No. 1 in G Minor, Op. 41: II. Andante - Live
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300146
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  by artist: Verbier Festival Orchestra
  by artist: Kurt Masur
  in album: Yuja Wang Plays Mendelssohn (Live)
    type: MusicAlbum
    date published: 2022-04-22
  isrc code: DEN960902822
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T04:56:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x84fc6e571a66a8512bf6048d8c87e6f42fe72d90be83910f177e0918658c1961
  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/2b7U5TZrpmxVPETAR6xsgf.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2b7U5TZrpmxVPETAR6xsgf
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x84fc6e571a66a8512bf6048d8c87e6f42fe72d90be83910f177e0918658c1961","isrc":"DEN960902822","name":"Piano Concerto No. 1 in G Minor, Op. 41: II. Andante - Live","registered_at":"2026-06-21T04:56:43Z","spotify_id":"2b7U5TZrpmxVPETAR6xsgf","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 0x84fc6e571a66a8512bf6048d8c87e6f42fe72d90be83910f177e0918658c1961. 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/2b7U5TZrpmxVPETAR6xsgf.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/2b7U5TZrpmxVPETAR6xsgf.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x84fc6e571a66a8512bf6048d8c87e6f42fe72d90be83910f177e0918658c1961","isrc":"DEN960902822","name":"Piano Concerto No. 1 in G Minor, Op. 41: II. Andante - Live","registered_at":"2026-06-21T04:56:43Z","spotify_id":"2b7U5TZrpmxVPETAR6xsgf","type":"track"}
track: Piano Concerto No. 1 in G Minor, Op. 57: III. Presto – Molto allegro e vivace - Live
  type: MusicRecording
  duration: PT6M31S
  duration ms: 391133
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  by artist: Verbier Festival Orchestra
  by artist: Kurt Masur
  in album: Yuja Wang Plays Mendelssohn (Live)
    type: MusicAlbum
    date published: 2022-04-22
  isrc code: DEN960902823
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:00:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe9ca0902139fa706f2304357b4e1802dde244727829eec79d68a9646eb19ca0f
  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/1V2sSVXxCieHwtqJqm0OdB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1V2sSVXxCieHwtqJqm0OdB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe9ca0902139fa706f2304357b4e1802dde244727829eec79d68a9646eb19ca0f","isrc":"DEN960902823","name":"Piano Concerto No. 1 in G Minor, Op. 57: III. Presto – Molto allegro e vivace - Live","registered_at":"2026-06-21T05:00:55Z","spotify_id":"1V2sSVXxCieHwtqJqm0OdB","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 0xe9ca0902139fa706f2304357b4e1802dde244727829eec79d68a9646eb19ca0f. 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/1V2sSVXxCieHwtqJqm0OdB.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/1V2sSVXxCieHwtqJqm0OdB.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xe9ca0902139fa706f2304357b4e1802dde244727829eec79d68a9646eb19ca0f","isrc":"DEN960902823","name":"Piano Concerto No. 1 in G Minor, Op. 57: III. Presto – Molto allegro e vivace - Live","registered_at":"2026-06-21T05:00:55Z","spotify_id":"1V2sSVXxCieHwtqJqm0OdB","type":"track"}
track: Piano Sextet in D Major, Op. 110: I. Allegro vivace - Live at Verbier Festival, Switzerland, 2009
  type: MusicRecording
  duration: PT11M1S
  duration ms: 661213
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  by artist: Kirill Troussov
  by artist: David Aaron Carpenter
  by artist: Maxim Rysanov
  by artist: Sol Gabetta
  by artist: Leigh Mesh
  in album: Yuja Wang Plays Mendelssohn (Live)
    type: MusicAlbum
    date published: 2022-04-22
  isrc code: DEN962200311
track: Piano Sextet in D Major, Op. 110: II. Adagio - Live at Verbier Festival, Switzerland, 2009
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289426
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  by artist: Kirill Troussov
  by artist: David Aaron Carpenter
  by artist: Maxim Rysanov
  by artist: Sol Gabetta
  by artist: Leigh Mesh
  in album: Yuja Wang Plays Mendelssohn (Live)
    type: MusicAlbum
    date published: 2022-04-22
  isrc code: DEN962200312
track: Piano Sextet in D Major, Op. 110: III. Minuetto. Agitato - Live at Verbier Festival, Switzerland, 2009
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139266
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  by artist: Kirill Troussov
  by artist: David Aaron Carpenter
  by artist: Maxim Rysanov
  by artist: Sol Gabetta
  by artist: Leigh Mesh
  in album: Yuja Wang Plays Mendelssohn (Live)
    type: MusicAlbum
    date published: 2022-04-22
  isrc code: DEN962200313
track: Piano Sextet in D Major, Op. 110: IV. Allegro vivace - Live at Verbier Festival, Switzerland, 2009

Piano Sextet in D Major, Op. 110: IV. Allegro vivace - Live at Verbier Festival, Switzerland, 2009
type: MusicRecording
duration: PT9M46S
duration ms: 586840
explicit: false
by artist: Felix Mendelssohn
by artist: Yuja Wang
by artist: Kirill Troussov
by artist: David Aaron Carpenter
by artist: Maxim Rysanov
by artist: Sol Gabetta
by artist: Leigh Mesh
in album: Yuja Wang Plays Mendelssohn (Live)
  type: MusicAlbum
  date published: 2022-04-22
isrc code: DEN962200314

Rachmaninoff: Cello Sonata in G Minor, Op. 19
type: MusicAlbum
date published: 2021-11-19
track: Cello Sonata in G Minor, Op. 19: I. Lento. Allegro moderato
  type: MusicRecording
  duration: PT12M5S
  duration ms: 725066
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff: Cello Sonata in G Minor, Op. 19
    type: MusicAlbum
    date published: 2021-11-19
  isrc code: DEN962101861
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T13:00:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x767de8a3bf8a967a810087014095150037152f23f246bb55d08bc51ebb6d1e98
  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/7rPScHteucZYSGvCRvsajt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7rPScHteucZYSGvCRvsajt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x767de8a3bf8a967a810087014095150037152f23f246bb55d08bc51ebb6d1e98","isrc":"DEN962101861","name":"Cello Sonata in G Minor, Op. 19: I. Lento. Allegro moderato","registered_at":"2026-06-08T13:00:48Z","spotify_id":"7rPScHteucZYSGvCRvsajt","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 0x767de8a3bf8a967a810087014095150037152f23f246bb55d08bc51ebb6d1e98. 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/7rPScHteucZYSGvCRvsajt.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/7rPScHteucZYSGvCRvsajt.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x767de8a3bf8a967a810087014095150037152f23f246bb55d08bc51ebb6d1e98","isrc":"DEN962101861","name":"Cello Sonata in G Minor, Op. 19: I. Lento. Allegro moderato","registered_at":"2026-06-08T13:00:48Z","spotify_id":"7rPScHteucZYSGvCRvsajt","type":"track"}
track: Cello Sonata in G Minor, Op. 19: II. Allegro scherzando
  type: MusicRecording
  duration: PT6M25S
  duration ms: 385493
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff: Cello Sonata in G Minor, Op. 19
    type: MusicAlbum
    date published: 2021-11-19
  isrc code: DEN962101862
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T12:57:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x322d6f6330d13cdc134b40fba195f30e65778e07511fcb5749995efd4e0db203
  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/5fzqUrP9vBkBvq7UUaujP8.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5fzqUrP9vBkBvq7UUaujP8
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x322d6f6330d13cdc134b40fba195f30e65778e07511fcb5749995efd4e0db203","isrc":"DEN962101862","name":"Cello Sonata in G Minor, Op. 19: II. Allegro scherzando","registered_at":"2026-06-08T12:57:35Z","spotify_id":"5fzqUrP9vBkBvq7UUaujP8","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 0x322d6f6330d13cdc134b40fba195f30e65778e07511fcb5749995efd4e0db203. 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/5fzqUrP9vBkBvq7UUaujP8.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/5fzqUrP9vBkBvq7UUaujP8.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x322d6f6330d13cdc134b40fba195f30e65778e07511fcb5749995efd4e0db203","isrc":"DEN962101862","name":"Cello Sonata in G Minor, Op. 19: II. Allegro scherzando","registered_at":"2026-06-08T12:57:35Z","spotify_id":"5fzqUrP9vBkBvq7UUaujP8","type":"track"}
track: Cello Sonata in G Minor, Op. 19: III. Andante
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339506
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff: Cello Sonata in G Minor, Op. 19
    type: MusicAlbum
    date published: 2021-11-19
  isrc code: DEN962101863
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:07:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc
  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/67MUWIB8YlTQ0oOsAEUuZa.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67MUWIB8YlTQ0oOsAEUuZa
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc","isrc":"DEN962101863","name":"Cello Sonata in G Minor, Op. 19: III. Andante","registered_at":"2026-06-07T08:07:03Z","spotify_id":"67MUWIB8YlTQ0oOsAEUuZa","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 0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc. 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/67MUWIB8YlTQ0oOsAEUuZa.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/67MUWIB8YlTQ0oOsAEUuZa.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc","isrc":"DEN962101863","name":"Cello Sonata in G Minor, Op. 19: III. Andante","registered_at":"2026-06-07T08:07:03Z","spotify_id":"67MUWIB8YlTQ0oOsAEUuZa","type":"track"}
track: Cello Sonata in G Minor, Op. 19: IV. Allegro mosso
  type: MusicRecording
  duration: PT10M4S
  duration ms: 604360
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Rachmaninoff: Cello Sonata in G Minor, Op. 19
    type: MusicAlbum
    date published: 2021-11-19
  isrc code: DEN962101864
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T05:02:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c14862616ac42783dd55d781d347d80a0d459da657fee6d4597958ba419ca2e
  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/3A1h9wIPl9IXg7LvoijfQ5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3A1h9wIPl9IXg7LvoijfQ5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0c14862616ac42783dd55d781d347d80a0d459da657fee6d4597958ba419ca2e","isrc":"DEN962101864","name":"Cello Sonata in G Minor, Op. 19: IV. Allegro mosso","registered_at":"2026-06-09T05:02:16Z","spotify_id":"3A1h9wIPl9IXg7LvoijfQ5","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 0x0c14862616ac42783dd55d781d347d80a0d459da657fee6d4597958ba419ca2e. 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/3A1h9wIPl9IXg7LvoijfQ5.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/3A1h9wIPl9IXg7LvoijfQ5.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x0c14862616ac42783dd55d781d347d80a0d459da657fee6d4597958ba419ca2e","isrc":"DEN962101864","name":"Cello Sonata in G Minor, Op. 19: IV. Allegro mosso","registered_at":"2026-06-09T05:02:16Z","spotify_id":"3A1h9wIPl9IXg7LvoijfQ5","type":"track"}

Blue Hour: Mendelssohn Edition
type: MusicAlbum
date published: 2021-06-18
track: Lieder ohne Worte I, Op. 19b: VI. Andante sostenuto "Venetian Gondola Song", MWV U78 (Arr. Ottensamer for Clarinet & Strings)
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110640
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Andreas Ottensamer
  by artist: Schumann Quartett
  by artist: Gunars Upatnieks
  in album: Blue Hour: Mendelssohn Edition
    type: MusicAlbum
    date published: 2021-06-18
  isrc code: DEN962004660
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T09:02:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x014d3183c7c2cd21182479429349ae34e137d578ae607328ea989a7aae0b7a97
  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/2DXLtZk2lpilXIdtZiJuTD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DXLtZk2lpilXIdtZiJuTD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x014d3183c7c2cd21182479429349ae34e137d578ae607328ea989a7aae0b7a97","isrc":"DEN962004660","name":"Lieder ohne Worte I, Op. 19b: VI. Andante sostenuto \"Venetian Gondola Song\", MWV U78 (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-05T09:02:37Z","spotify_id":"2DXLtZk2lpilXIdtZiJuTD","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 0x014d3183c7c2cd21182479429349ae34e137d578ae607328ea989a7aae0b7a97. 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/2DXLtZk2lpilXIdtZiJuTD.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/2DXLtZk2lpilXIdtZiJuTD.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x014d3183c7c2cd21182479429349ae34e137d578ae607328ea989a7aae0b7a97","isrc":"DEN962004660","name":"Lieder ohne Worte I, Op. 19b: VI. Andante sostenuto \"Venetian Gondola Song\", MWV U78 (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-05T09:02:37Z","spotify_id":"2DXLtZk2lpilXIdtZiJuTD","type":"track"}
track: Lieder ohne Worte VIII, Op. 102: III. Presto, MWV U195 "Tarantelle" (Arr. Ottensamer for Clarinet & Strings)
  type: MusicRecording
  duration: PT1M18S
  duration ms: 78400
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Andreas Ottensamer
  by artist: Schumann Quartett
  by artist: Gunars Upatnieks
  in album: Blue Hour: Mendelssohn Edition
    type: MusicAlbum
    date published: 2021-06-18
  isrc code: DEN962004670
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T04:42:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf6bf1ec45d811004449aa1d933e8f9b5472e11bd59e85562e591396df6ee5a6
  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/0910L4DfMFzBsPY4FXdhi2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0910L4DfMFzBsPY4FXdhi2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdf6bf1ec45d811004449aa1d933e8f9b5472e11bd59e85562e591396df6ee5a6","isrc":"DEN962004670","name":"Lieder ohne Worte VIII, Op. 102: III. Presto, MWV U195 \"Tarantelle\" (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-19T04:42:12Z","spotify_id":"0910L4DfMFzBsPY4FXdhi2","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 0xdf6bf1ec45d811004449aa1d933e8f9b5472e11bd59e85562e591396df6ee5a6. 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/0910L4DfMFzBsPY4FXdhi2.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/0910L4DfMFzBsPY4FXdhi2.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xdf6bf1ec45d811004449aa1d933e8f9b5472e11bd59e85562e591396df6ee5a6","isrc":"DEN962004670","name":"Lieder ohne Worte VIII, Op. 102: III. Presto, MWV U195 \"Tarantelle\" (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-19T04:42:12Z","spotify_id":"0910L4DfMFzBsPY4FXdhi2","type":"track"}
track: Lieder ohne Worte VI, Op. 67: II. Allegro leggiero, MWV U145 "Lost Illusions" (Arr. Ottensamer for Clarinet & Piano)
  type: MusicRecording
  duration: PT2M12S
  duration ms: 132506
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Andreas Ottensamer
  by artist: Yuja Wang
  in album: Blue Hour: Mendelssohn Edition
    type: MusicAlbum
    date published: 2021-06-18
  isrc code: DEN961801770
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T17:17:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcf04f4be4553010d7860e87ee24e4fd15f1368df56e58bae62cda49b373fe38e
  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/5mXoJf9Fxl8C7qUe1CS0dW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5mXoJf9Fxl8C7qUe1CS0dW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcf04f4be4553010d7860e87ee24e4fd15f1368df56e58bae62cda49b373fe38e","isrc":"DEN961801770","name":"Lieder ohne Worte VI, Op. 67: II. Allegro leggiero, MWV U145 \"Lost Illusions\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-05T17:17:27Z","spotify_id":"5mXoJf9Fxl8C7qUe1CS0dW","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 0xcf04f4be4553010d7860e87ee24e4fd15f1368df56e58bae62cda49b373fe38e. 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/5mXoJf9Fxl8C7qUe1CS0dW.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/5mXoJf9Fxl8C7qUe1CS0dW.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xcf04f4be4553010d7860e87ee24e4fd15f1368df56e58bae62cda49b373fe38e","isrc":"DEN961801770","name":"Lieder ohne Worte VI, Op. 67: II. Allegro leggiero, MWV U145 \"Lost Illusions\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-05T17:17:27Z","spotify_id":"5mXoJf9Fxl8C7qUe1CS0dW","type":"track"}
track: Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song" (Arr. Ottensamer for Clarinet & Strings)
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116773
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Andreas Ottensamer
  by artist: Schumann Quartett
  by artist: Gunars Upatnieks
  in album: Blue Hour: Mendelssohn Edition
    type: MusicAlbum
    date published: 2021-06-18
  isrc code: DEN962004680
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:08:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x44e9ccaf816d5e54dc7489c38cad682766b60815bfcb871e2df65fc514113508
  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/6mEdwrpT7vGnxcBriVOGH6.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6mEdwrpT7vGnxcBriVOGH6
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x44e9ccaf816d5e54dc7489c38cad682766b60815bfcb871e2df65fc514113508","isrc":"DEN962004680","name":"Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 \"Spring Song\" (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-07T08:08:19Z","spotify_id":"6mEdwrpT7vGnxcBriVOGH6","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 0x44e9ccaf816d5e54dc7489c38cad682766b60815bfcb871e2df65fc514113508. 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/6mEdwrpT7vGnxcBriVOGH6.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/6mEdwrpT7vGnxcBriVOGH6.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x44e9ccaf816d5e54dc7489c38cad682766b60815bfcb871e2df65fc514113508","isrc":"DEN962004680","name":"Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 \"Spring Song\" (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-07T08:08:19Z","spotify_id":"6mEdwrpT7vGnxcBriVOGH6","type":"track"}
track: Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song" (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte VIII, Op. 102: I. Andante un poco agitato, MWV U162 (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VIII, Op. 102: IV. Andante (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VIII, Op. 102: V. Allegro vivace, MWV U194 "The Joyous Peasant" (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VII, Op. 85: IV. Andante sostenuto, MWV U190 "Elegy" (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte VII, Op. 85: II. Allegro agitato (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte VII, Op. 85: II. Allegro agitato (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VI, Op. 67: III. Andante tranquillo, MWV U102 (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte IV, Op. 53: V. Volkslied. Allegro con fuoco, MWV U153 (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VI, Op. 67: V. Moderato, MWV U184 "The Shepherd's Complaint" (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VI, Op. 67: V. Moderato, MWV U184 "The Shepherd's Complaint" (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VI, Op. 67: IV. The Bee's Wedding. Presto, MWV U182 "Spinning Song"

Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song" (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M3S
duration ms: 123373
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Julien Quentin
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962000330
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:58:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd27fb2119b256450d6a42432a829db2630113a982474131e249f35997b27102e
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/44DbpPRITPE1LV8d5lyoKy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/44DbpPRITPE1LV8d5lyoKy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd27fb2119b256450d6a42432a829db2630113a982474131e249f35997b27102e","isrc":"DEN962000330","name":"Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 \"Spring Song\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-23T09:58:12Z","spotify_id":"44DbpPRITPE1LV8d5lyoKy","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 0xd27fb2119b256450d6a42432a829db2630113a982474131e249f35997b27102e. 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/44DbpPRITPE1LV8d5lyoKy.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/44DbpPRITPE1LV8d5lyoKy.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd27fb2119b256450d6a42432a829db2630113a982474131e249f35997b27102e","isrc":"DEN962000330","name":"Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 \"Spring Song\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-23T09:58:12Z","spotify_id":"44DbpPRITPE1LV8d5lyoKy","type":"track"}

Lieder ohne Worte VIII, Op. 102: I. Andante un poco agitato, MWV U162 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M46S
duration ms: 166293
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN961801710
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T06:41:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c9a94ed73f117ae10a2f212b7773cca48783895d1f1d1dee59fc49f79b3facb
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/3ODMXWeGRxjKWsv6lSGhFh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ODMXWeGRxjKWsv6lSGhFh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1c9a94ed73f117ae10a2f212b7773cca48783895d1f1d1dee59fc49f79b3facb","isrc":"DEN961801710","name":"Lieder ohne Worte VIII, Op. 102: I. Andante un poco agitato, MWV U162 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-24T06:41:52Z","spotify_id":"3ODMXWeGRxjKWsv6lSGhFh","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 0x1c9a94ed73f117ae10a2f212b7773cca48783895d1f1d1dee59fc49f79b3facb. 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/3ODMXWeGRxjKWsv6lSGhFh.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/3ODMXWeGRxjKWsv6lSGhFh.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x1c9a94ed73f117ae10a2f212b7773cca48783895d1f1d1dee59fc49f79b3facb","isrc":"DEN961801710","name":"Lieder ohne Worte VIII, Op. 102: I. Andante un poco agitato, MWV U162 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-24T06:41:52Z","spotify_id":"3ODMXWeGRxjKWsv6lSGhFh","type":"track"}

Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M30S
duration ms: 150400
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN961801730
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T18:04:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeaa4dba8be313a1bb8ebc1889bd36fc062e1a66de39c2011b239495e9027446d
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/53cuN3sEbl94r1UNvgzQEf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53cuN3sEbl94r1UNvgzQEf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeaa4dba8be313a1bb8ebc1889bd36fc062e1a66de39c2011b239495e9027446d","isrc":"DEN961801730","name":"Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-24T18:04:07Z","spotify_id":"53cuN3sEbl94r1UNvgzQEf","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 0xeaa4dba8be313a1bb8ebc1889bd36fc062e1a66de39c2011b239495e9027446d. 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/53cuN3sEbl94r1UNvgzQEf.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/53cuN3sEbl94r1UNvgzQEf.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xeaa4dba8be313a1bb8ebc1889bd36fc062e1a66de39c2011b239495e9027446d","isrc":"DEN961801730","name":"Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-24T18:04:07Z","spotify_id":"53cuN3sEbl94r1UNvgzQEf","type":"track"}

Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Strings)
type: MusicRecording
duration: PT2M19S
duration ms: 139346
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962004690
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:34:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe57ddfd237b9f3234a01520b30e1dbf8f34ead7cf92fabaf091b8763a64a1e44
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/1UEmsKdonsRaOzdGd7ec39.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UEmsKdonsRaOzdGd7ec39
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe57ddfd237b9f3234a01520b30e1dbf8f34ead7cf92fabaf091b8763a64a1e44","isrc":"DEN962004690","name":"Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-27T06:34:38Z","spotify_id":"1UEmsKdonsRaOzdGd7ec39","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 0xe57ddfd237b9f3234a01520b30e1dbf8f34ead7cf92fabaf091b8763a64a1e44. 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/1UEmsKdonsRaOzdGd7ec39.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/1UEmsKdonsRaOzdGd7ec39.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe57ddfd237b9f3234a01520b30e1dbf8f34ead7cf92fabaf091b8763a64a1e44","isrc":"DEN962004690","name":"Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-27T06:34:38Z","spotify_id":"1UEmsKdonsRaOzdGd7ec39","type":"track"}

Lieder ohne Worte VIII, Op. 102: IV. Andante (Arr. Ottensamer for Clarinet & Strings)
type: MusicRecording
duration: PT2M46S
duration ms: 166133
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962004700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:38:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9332378ce1dee68ea7233d4d0e6cd20a22c0d3e0e0f51fe39f50fe25572804b
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/6t4j29UBbgXO9ZsRrsM2p7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6t4j29UBbgXO9ZsRrsM2p7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa9332378ce1dee68ea7233d4d0e6cd20a22c0d3e0e0f51fe39f50fe25572804b","isrc":"DEN962004700","name":"Lieder ohne Worte VIII, Op. 102: IV. Andante (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-25T23:38:30Z","spotify_id":"6t4j29UBbgXO9ZsRrsM2p7","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 0xa9332378ce1dee68ea7233d4d0e6cd20a22c0d3e0e0f51fe39f50fe25572804b. 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/6t4j29UBbgXO9ZsRrsM2p7.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/6t4j29UBbgXO9ZsRrsM2p7.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xa9332378ce1dee68ea7233d4d0e6cd20a22c0d3e0e0f51fe39f50fe25572804b","isrc":"DEN962004700","name":"Lieder ohne Worte VIII, Op. 102: IV. Andante (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-25T23:38:30Z","spotify_id":"6t4j29UBbgXO9ZsRrsM2p7","type":"track"}

Lieder ohne Worte VIII, Op. 102: V. Allegro vivace, MWV U194 "The Joyous Peasant" (Arr. Ottensamer for Clarinet & Strings)
type: MusicRecording
duration: PT1M0S
duration ms: 60200
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962004710
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T18:59:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8dbc415543914cb299f8c38190cab86088c209068a065148dc8577f2360a33e7
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/3hxrkXvJtuVqMDYYDkjvaJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3hxrkXvJtuVqMDYYDkjvaJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8dbc415543914cb299f8c38190cab86088c209068a065148dc8577f2360a33e7","isrc":"DEN962004710","name":"Lieder ohne Worte VIII, Op. 102: V. Allegro vivace, MWV U194 \"The Joyous Peasant\" (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-20T18:59:35Z","spotify_id":"3hxrkXvJtuVqMDYYDkjvaJ","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 0x8dbc415543914cb299f8c38190cab86088c209068a065148dc8577f2360a33e7. 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/3hxrkXvJtuVqMDYYDkjvaJ.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/3hxrkXvJtuVqMDYYDkjvaJ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x8dbc415543914cb299f8c38190cab86088c209068a065148dc8577f2360a33e7","isrc":"DEN962004710","name":"Lieder ohne Worte VIII, Op. 102: V. Allegro vivace, MWV U194 \"The Joyous Peasant\" (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-20T18:59:35Z","spotify_id":"3hxrkXvJtuVqMDYYDkjvaJ","type":"track"}

Lieder ohne Worte VII, Op. 85: IV. Andante sostenuto, MWV U190 "Elegy" (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M30S
duration ms: 150626
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN961801780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:34:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa41fa64ea89b38b555795fc45e7ff55eaa0f7ab3456ac4a27856263eee320427
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/2m90BvBI7QU6cJDzR1lUBm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2m90BvBI7QU6cJDzR1lUBm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa41fa64ea89b38b555795fc45e7ff55eaa0f7ab3456ac4a27856263eee320427","isrc":"DEN961801780","name":"Lieder ohne Worte VII, Op. 85: IV. Andante sostenuto, MWV U190 \"Elegy\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-25T23:34:11Z","spotify_id":"2m90BvBI7QU6cJDzR1lUBm","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 0xa41fa64ea89b38b555795fc45e7ff55eaa0f7ab3456ac4a27856263eee320427. 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/2m90BvBI7QU6cJDzR1lUBm.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/2m90BvBI7QU6cJDzR1lUBm.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xa41fa64ea89b38b555795fc45e7ff55eaa0f7ab3456ac4a27856263eee320427","isrc":"DEN961801780","name":"Lieder ohne Worte VII, Op. 85: IV. Andante sostenuto, MWV U190 \"Elegy\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-25T23:34:11Z","spotify_id":"2m90BvBI7QU6cJDzR1lUBm","type":"track"}

Lieder ohne Worte VII, Op. 85: II. Allegro agitato (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT0M58S
duration ms: 58200
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Julien Quentin
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962000300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:32:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6112dd245e5d1018e7b9342deabfa01c524bd81d8db3bc5752431e585b93cf8a
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/69JtMzgynflLQqufp4OjMk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/69JtMzgynflLQqufp4OjMk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6112dd245e5d1018e7b9342deabfa01c524bd81d8db3bc5752431e585b93cf8a","isrc":"DEN962000300","name":"Lieder ohne Worte VII, Op. 85: II. Allegro agitato (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-27T06:32:04Z","spotify_id":"69JtMzgynflLQqufp4OjMk","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 0x6112dd245e5d1018e7b9342deabfa01c524bd81d8db3bc5752431e585b93cf8a. 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/69JtMzgynflLQqufp4OjMk.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/69JtMzgynflLQqufp4OjMk.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6112dd245e5d1018e7b9342deabfa01c524bd81d8db3bc5752431e585b93cf8a","isrc":"DEN962000300","name":"Lieder ohne Worte VII, Op. 85: II. Allegro agitato (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-27T06:32:04Z","spotify_id":"69JtMzgynflLQqufp4OjMk","type":"track"}

Lieder ohne Worte VII, Op. 85: II. Allegro agitato (Arr. Ottensamer for Clarinet & Strings)
type: MusicRecording
duration: PT0M53S
duration ms: 53386
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962004720

Lieder ohne Worte VI, Op. 67: III. Andante tranquillo, MWV U102 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M21S
duration ms: 141973
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN961801740
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:48:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5dc367c002572d7750cb75c366df2d25922aea9eb01725a3617dd4571d6c9a5b
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/1Ctd77z45eUy6ns4Ve8WVF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Ctd77z45eUy6ns4Ve8WVF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5dc367c002572d7750cb75c366df2d25922aea9eb01725a3617dd4571d6c9a5b","isrc":"DEN961801740","name":"Lieder ohne Worte VI, Op. 67: III. Andante tranquillo, MWV U102 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-27T06:48:14Z","spotify_id":"1Ctd77z45eUy6ns4Ve8WVF","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 0x5dc367c002572d7750cb75c366df2d25922aea9eb01725a3617dd4571d6c9a5b. 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/1Ctd77z45eUy6ns4Ve8WVF.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/1Ctd77z45eUy6ns4Ve8WVF.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x5dc367c002572d7750cb75c366df2d25922aea9eb01725a3617dd4571d6c9a5b","isrc":"DEN961801740","name":"Lieder ohne Worte VI, Op. 67: III. Andante tranquillo, MWV U102 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-27T06:48:14Z","spotify_id":"1Ctd77z45eUy6ns4Ve8WVF","type":"track"}

Lieder ohne Worte IV, Op. 53: V. Volkslied. Allegro con fuoco, MWV U153 (Arr. Ottensamer for Clarinet & Strings)
type: MusicRecording
duration: PT2M49S
duration ms: 169013
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962004730
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:33:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddeeb469a712712d0e420935a730fad11bf33604ebba3830376d2a856fa21aa0
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/7Ce8LOqzgJaGpBAJ3gHwze.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Ce8LOqzgJaGpBAJ3gHwze
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xddeeb469a712712d0e420935a730fad11bf33604ebba3830376d2a856fa21aa0","isrc":"DEN962004730","name":"Lieder ohne Worte IV, Op. 53: V. Volkslied. Allegro con fuoco, MWV U153 (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-27T06:33:39Z","spotify_id":"7Ce8LOqzgJaGpBAJ3gHwze","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 0xddeeb469a712712d0e420935a730fad11bf33604ebba3830376d2a856fa21aa0. 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/7Ce8LOqzgJaGpBAJ3gHwze.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/7Ce8LOqzgJaGpBAJ3gHwze.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xddeeb469a712712d0e420935a730fad11bf33604ebba3830376d2a856fa21aa0","isrc":"DEN962004730","name":"Lieder ohne Worte IV, Op. 53: V. Volkslied. Allegro con fuoco, MWV U153 (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-27T06:33:39Z","spotify_id":"7Ce8LOqzgJaGpBAJ3gHwze","type":"track"}

Lieder ohne Worte VI, Op. 67: V. Moderato, MWV U184 "The Shepherd's Complaint" (Arr. Ottensamer for Clarinet & Strings)
type: MusicRecording
duration: PT2M31S
duration ms: 151293
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962004740

Lieder ohne Worte VI, Op. 67: V. Moderato, MWV U184 "The Shepherd's Complaint" (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M9S
duration ms: 129332
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Julien Quentin
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962000220

Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT1M49S
duration ms: 109906
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN961801700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:54:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd74970802048daba89b4ebda82ebb0cee34ca9801a6523e7e04220a6b64e77c6
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/714QOKVfrzMddSTHCPbju6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/714QOKVfrzMddSTHCPbju6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd74970802048daba89b4ebda82ebb0cee34ca9801a6523e7e04220a6b64e77c6","isrc":"DEN961801700","name":"Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-18T17:54:55Z","spotify_id":"714QOKVfrzMddSTHCPbju6","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 0xd74970802048daba89b4ebda82ebb0cee34ca9801a6523e7e04220a6b64e77c6. 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/714QOKVfrzMddSTHCPbju6.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/714QOKVfrzMddSTHCPbju6.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xd74970802048daba89b4ebda82ebb0cee34ca9801a6523e7e04220a6b64e77c6","isrc":"DEN961801700","name":"Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-18T17:54:55Z","spotify_id":"714QOKVfrzMddSTHCPbju6","type":"track"}

Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT3M7S
duration ms: 187853
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN961801760
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:35:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x506b3198beb154c025cfe3f52e2c873355f35a5016d1331b64c9272919c31ac3
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/1PjXwynSeacVFodY50B2Ft.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1PjXwynSeacVFodY50B2Ft
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x506b3198beb154c025cfe3f52e2c873355f35a5016d1331b64c9272919c31ac3","isrc":"DEN961801760","name":"Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-25T23:35:57Z","spotify_id":"1PjXwynSeacVFodY50B2Ft","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 0x506b3198beb154c025cfe3f52e2c873355f35a5016d1331b64c9272919c31ac3. 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/1PjXwynSeacVFodY50B2Ft.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/1PjXwynSeacVFodY50B2Ft.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x506b3198beb154c025cfe3f52e2c873355f35a5016d1331b64c9272919c31ac3","isrc":"DEN961801760","name":"Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-25T23:35:57Z","spotify_id":"1PjXwynSeacVFodY50B2Ft","type":"track"}

Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Strings)
type: MusicRecording
duration: PT3M11S
duration ms: 191066
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962004750
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:37:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75507130c85ef61e33079f969d29238911266e540e9376df20738651a96a3e18
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/4fukhao8x7s3hl5aJXSzgq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4fukhao8x7s3hl5aJXSzgq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x75507130c85ef61e33079f969d29238911266e540e9376df20738651a96a3e18","isrc":"DEN962004750","name":"Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-25T23:37:33Z","spotify_id":"4fukhao8x7s3hl5aJXSzgq","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 0x75507130c85ef61e33079f969d29238911266e540e9376df20738651a96a3e18. 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/4fukhao8x7s3hl5aJXSzgq.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/4fukhao8x7s3hl5aJXSzgq.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x75507130c85ef61e33079f969d29238911266e540e9376df20738651a96a3e18","isrc":"DEN962004750","name":"Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Strings)","registered_at":"2026-06-25T23:37:33Z","spotify_id":"4fukhao8x7s3hl5aJXSzgq","type":"track"}

Lieder ohne Worte VI, Op. 67: IV. The Bee's Wedding. Presto, MWV U182 "Spinning Song"
type: MusicRecording
duration: PT1M55S
duration ms: 115519
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
isrc code: DEN962004760

Rachmaninov: Cello Sonata in G Minor, Op. 19 (Live from Verbier Festival / 2008)
type: MusicAlbum
date published: 2020-07-31
track: Cello Sonata in G Minor, Op. 19: I. Lento - Live from Verbier Festival / 2008
  type: MusicRecording
  duration: PT12M22S
  duration ms: 742880
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Lynn Harrell
  by artist: Yuja Wang
  in album: Rachmaninov: Cello Sonata in G Minor, Op. 19 (Live from Verbier Festival / 2008)
    type: MusicAlbum
    date published: 2020-07-31
  isrc code: DEN960803961
track: Cello Sonata in G Minor, Op. 19: II. Allegro scherzando - Live from Verbier Festival / 2008
  type: MusicRecording
  duration: PT6M20S
  duration ms: 380880
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Lynn Harrell
  by artist: Yuja Wang
  in album: Rachmaninov: Cello Sonata in G Minor, Op. 19 (Live from Verbier Festival / 2008)
    type: MusicAlbum
    date published: 2020-07-31
  isrc code: DEN960803962
track: Cello Sonata in G Minor, Op. 19: III. Andante - Live from Verbier Festival / 2008
  type: MusicRecording
  duration: PT5M54S
  duration ms: 354173
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Lynn Harrell
  by artist: Yuja Wang
  in album: Rachmaninov: Cello Sonata in G Minor, Op. 19 (Live from Verbier Festival / 2008)
    type: MusicAlbum
    date published: 2020-07-31
  isrc code: DEN960803963
track: Cello Sonata in G Minor, Op. 19: IV. Allegro mosso - Live from Verbier Festival / 2008
  type: MusicRecording
  duration: PT9M28S
  duration ms: 568766
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Lynn Harrell
  by artist: Yuja Wang
  in album: Rachmaninov: Cello Sonata in G Minor, Op. 19 (Live from Verbier Festival / 2008)
    type: MusicAlbum
    date published: 2020-07-31
  isrc code: DEN960803964

The Peace Concert Versailles (Live at Versailles / 2018)
type: MusicAlbum
date published: 2019-11-15
track: Die Zauberflöte, K. 620: Overture - Live at Versailles / 2018
  type: MusicRecording
  duration: PT6M18S
  duration ms: 378640
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
  isrc code: DEN961803150
track: Modérément animé - Live at Versailles / 2018
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206786
  explicit: false
  by artist: Claude Debussy
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Nocturnes, L. 91 / III. Sirènes: Un peu plus lent - Live at Versailles / 2018
  type: MusicRecording
  duration: PT1M6S
  duration ms: 66546
  explicit: false
  by artist: Claude Debussy
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
  isrc code: DEN961803162
track: Nocturnes, L. 91 / III. Sirènes: En animant, surtout dans l'expression - Live at Versailles / 2018
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114293
  explicit: false
  by artist: Claude Debussy
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Nocturnes, L. 91 / III. Sirènes: Revenir progressivement au Tempo I – En augmentant peu à peu - Live at Versailles / 2018
  type: MusicRecording
  duration: PT0M34S
  duration ms: 34386
  explicit: false
  by artist: Claude Debussy
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Nocturnes, L. 91 / III. Sirènes: Tempo I – Plus lent et en retenant jusqu'à la fin - Live at Versailles / 2018
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160453
  explicit: false
  by artist: Claude Debussy
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: The Planets, Op. 32: I. Mars, the Bringer of War - Live at Versailles / 2018
  type: MusicRecording
  duration: PT7M27S
  duration ms: 447240
  explicit: false
  by artist: Gustav Holst
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
  isrc code: DEN961803170
track: Götterdämmerung, WWV 86D: Trauermarsch - Live at Versailles / 2018
  type: MusicRecording
  duration: PT8M16S
  duration ms: 496840
  explicit: false
  by artist: Richard Wagner
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Piano Concerto for the Left Hand in D Major, M. 82: I. Lento - Live at Versailles / 2018
  type: MusicRecording
  duration: PT8M14S
  duration ms: 494653
  explicit: false
  by artist: Maurice Ravel
  by artist: Yuja Wang
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Piano Concerto for the Left Hand in D Major, M. 82: II. Allegro - Tempo I - Live at Versailles / 2018
  type: MusicRecording
  duration: PT10M9S
  duration ms: 609906
  explicit: false
  by artist: Maurice Ravel
  by artist: Yuja Wang
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Dona nobis pacem: IV. Dirge for Two Veterans - Live at Versailles / 2018
  type: MusicRecording
  duration: PT8M42S
  duration ms: 522480
  explicit: false
  by artist: Ralph Vaughan Williams
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Mass in D Major, Op. 123 "Missa Solemnis" / V. Agnus Dei: Agnus Dei. Adagio - Live at Versailles / 2018
  type: MusicRecording
  duration: PT5M37S
  duration ms: 337720
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Elsa Dreisig
  by artist: Ekaterina Gubanova
  by artist: Daniel Behle
  by artist: Ryan Speedo Green
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Mass in D Major, Op. 123 "Missa Solemnis" / V. Agnus Dei: Dona nobis pacem. Allegretto vivace - Live at Versailles / 2018
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130826
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Elsa Dreisig
  by artist: Ekaterina Gubanova
  by artist: Daniel Behle
  by artist: Ryan Speedo Green
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Mass in D Major, Op. 123 "Missa Solemnis" / V. Agnus Dei: Allegro assai - Live at Versailles / 2018
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179080
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Elsa Dreisig
  by artist: Ekaterina Gubanova
  by artist: Daniel Behle
  by artist: Ryan Speedo Green
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: Mass in D Major, Op. 123 "Missa Solemnis" / V. Agnus Dei: Presto - Live at Versailles / 2018
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224706
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Elsa Dreisig
  by artist: Ekaterina Gubanova
  by artist: Daniel Behle
  by artist: Ryan Speedo Green
  by artist: Choeur de Radio France
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)
    type: MusicAlbum
    date published: 2019-11-15
track: The Unanswered Question - Live at Versailles / 2018
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301613
  explicit: false
  by artist: Charles Ives
  by artist: Wiener Philharmoniker
  by artist: Franz Welser-Möst
  in album: The Peace Concert Versailles (Live at Versailles / 2018)

Charles Ives
type: MusicGroup

Wiener Philharmoniker
type: MusicGroup

Franz Welser-Möst
type: MusicGroup

The Peace Concert Versailles (Live at Versailles / 2018)
type: MusicAlbum
date published: 2019-11-15

Blue Hour – Weber, Brahms, Mendelssohn
type: MusicAlbum
date published: 2019-03-08
track: 6 Klavierstücke, Op. 118: No. 2, Intermezzo in A Major (Arr. Popov for Clarinet & Piano)
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348986
  explicit: false
  by artist: Johannes Brahms
  by artist: Andreas Ottensamer
  by artist: Yuja Wang
  in album: Blue Hour – Weber, Brahms, Mendelssohn
    type: MusicAlbum
    date published: 2019-03-08
  isrc code: DEN961801680
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T04:19:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x34458a11581b97eb27b85d25a7da459594295f52d6e159efa597027c2c11e65d
  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/6gsQsKcOsBJTcLxe0YxDoV.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6gsQsKcOsBJTcLxe0YxDoV
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x34458a11581b97eb27b85d25a7da459594295f52d6e159efa597027c2c11e65d","isrc":"DEN961801680","name":"6 Klavierstücke, Op. 118: No. 2, Intermezzo in A Major (Arr. Popov for Clarinet & Piano)","registered_at":"2026-06-22T04:19:32Z","spotify_id":"6gsQsKcOsBJTcLxe0YxDoV","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 0x34458a11581b97eb27b85d25a7da459594295f52d6e159efa597027c2c11e65d. 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/6gsQsKcOsBJTcLxe0YxDoV.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/6gsQsKcOsBJTcLxe0YxDoV.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x34458a11581b97eb27b85d25a7da459594295f52d6e159efa597027c2c11e65d","isrc":"DEN961801680","name":"6 Klavierstücke, Op. 118: No. 2, Intermezzo in A Major (Arr. Popov for Clarinet & Piano)","registered_at":"2026-06-22T04:19:32Z","spotify_id":"6gsQsKcOsBJTcLxe0YxDoV","type":"track"}
track: Clarinet Concerto No. 1 in F Minor, Op. 73: I. Allegro
  type: MusicRecording
  duration: PT7M42S
  duration ms: 462400
  explicit: false
  by artist: Carl Maria von Weber
  by artist: Andreas Ottensamer
  by artist: Berliner Philharmoniker
  by artist: Mariss Jansons
  in album: Blue Hour – Weber, Brahms, Mendelssohn
    type: MusicAlbum
    date published: 2019-03-08
  isrc code: DEN961801691
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T07:06:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeb211682793bdfb107e7a92c91924f404c01fa6ab16cc8bc3309898dd0544e5e
  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/4UpsGzXdUnCnDKR8whzOyn.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4UpsGzXdUnCnDKR8whzOyn
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xeb211682793bdfb107e7a92c91924f404c01fa6ab16cc8bc3309898dd0544e5e","isrc":"DEN961801691","name":"Clarinet Concerto No. 1 in F Minor, Op. 73: I. Allegro","registered_at":"2026-06-27T07:06:57Z","spotify_id":"4UpsGzXdUnCnDKR8whzOyn","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 0xeb211682793bdfb107e7a92c91924f404c01fa6ab16cc8bc3309898dd0544e5e. 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/4UpsGzXdUnCnDKR8whzOyn.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/4UpsGzXdUnCnDKR8whzOyn.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xeb211682793bdfb107e7a92c91924f404c01fa6ab16cc8bc3309898dd0544e5e","isrc":"DEN961801691","name":"Clarinet Concerto No. 1 in F Minor, Op. 73: I. Allegro","registered_at":"2026-06-27T07:06:57Z","spotify_id":"4UpsGzXdUnCnDKR8whzOyn","type":"track"}
track: Clarinet Concerto No. 1 in F Minor, Op. 73: II. Adagio ma non troppo
  type: MusicRecording
  duration: PT6M32S
  duration ms: 392973
  explicit: false
  by artist: Carl Maria von Weber
  by artist: Andreas Ottensamer
  by artist: Berliner Philharmoniker
  by artist: Mariss Jansons
  in album: Blue Hour – Weber, Brahms, Mendelssohn
    type: MusicAlbum
    date published: 2019-03-08
  isrc code: DEN961801692
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T07:06:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x76b4150ff9b4f160a35a2a9e7c7fcad1a8fc88bc4a83d4253257935a1aa085c3
  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/42J5hd83EUyCETtl5d2tk9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/42J5hd83EUyCETtl5d2tk9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x76b4150ff9b4f160a35a2a9e7c7fcad1a8fc88bc4a83d4253257935a1aa085c3","isrc":"DEN961801692","name":"Clarinet Concerto No. 1 in F Minor, Op. 73: II. Adagio ma non troppo","registered_at":"2026-06-27T07:06:59Z","spotify_id":"42J5hd83EUyCETtl5d2tk9","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 0x76b4150ff9b4f160a35a2a9e7c7fcad1a8fc88bc4a83d4253257935a1aa085c3. 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/42J5hd83EUyCETtl5d2tk9.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/42J5hd83EUyCETtl5d2tk9.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x76b4150ff9b4f160a35a2a9e7c7fcad1a8fc88bc4a83d4253257935a1aa085c3","isrc":"DEN961801692","name":"Clarinet Concerto No. 1 in F Minor, Op. 73: II. Adagio ma non troppo","registered_at":"2026-06-27T07:06:59Z","spotify_id":"42J5hd83EUyCETtl5d2tk9","type":"track"}
track: Clarinet Concerto No. 1 in F Minor, Op. 73: III. Rondo
  type: MusicRecording
  duration: PT5M50S
  duration ms: 350173
  explicit: false
  by artist: Carl Maria von Weber
  by artist: Andreas Ottensamer
  by artist: Berliner Philharmoniker
  by artist: Mariss Jansons
  in album: Blue Hour – Weber, Brahms, Mendelssohn
    type: MusicAlbum
    date published: 2019-03-08
  isrc code: DEN961801693
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T09:26:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc8828bf87794bc4f785054075e3a9b534852e5bc120d14223db722db89ec1ccc
  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/1WMo8z9N9H7TYiZjIq01X7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1WMo8z9N9H7TYiZjIq01X7
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc8828bf87794bc4f785054075e3a9b534852e5bc120d14223db722db89ec1ccc","isrc":"DEN961801693","name":"Clarinet Concerto No. 1 in F Minor, Op. 73: III. Rondo","registered_at":"2026-06-23T09:26:04Z","spotify_id":"1WMo8z9N9H7TYiZjIq01X7","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 0xc8828bf87794bc4f785054075e3a9b534852e5bc120d14223db722db89ec1ccc. 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/1WMo8z9N9H7TYiZjIq01X7.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/1WMo8z9N9H7TYiZjIq01X7.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xc8828bf87794bc4f785054075e3a9b534852e5bc120d14223db722db89ec1ccc","isrc":"DEN961801693","name":"Clarinet Concerto No. 1 in F Minor, Op. 73: III. Rondo","registered_at":"2026-06-23T09:26:04Z","spotify_id":"1WMo8z9N9H7TYiZjIq01X7","type":"track"}
track: Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte VIII, Op. 102: I. Andante un poco agitato, MWV U162 (Arr. Ottensamer for Clarinet & Piano)
track: 5 Lieder, Op. 105: No. 1, Wie Melodien zieht es mir (Transcr. for Clarinet & Piano)
track: Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte VI, Op. 67: III. Andante tranquillo, MWV U102 (Arr. Ottensamer for Clarinet & Piano)
track: Grand duo concertant, Op. 48: I. Allegro con fuoco
track: Grand duo concertant, Op. 48: II. Andante con moto
track: Grand duo concertant, Op. 48: III. Rondo. Allegro
track: Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte VI, Op. 67: II. Allegro leggiero, MWV U145 "Lost Illusions" (Arr. Ottensamer for Clarinet & Piano)
track: Lieder ohne Worte VII, Op. 85: IV. Andante sostenuto, MWV U190 "Elegy" (Arr. Ottensamer for Clarinet & Piano)

Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT1M52S
duration ms: 112213
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:54:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd74970802048daba89b4ebda82ebb0cee34ca9801a6523e7e04220a6b64e77c6
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/7iQ4FrjbePdlkBN9aLlQPG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7iQ4FrjbePdlkBN9aLlQPG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd74970802048daba89b4ebda82ebb0cee34ca9801a6523e7e04220a6b64e77c6","isrc":"DEN961801700","name":"Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-18T17:54:55Z","spotify_id":"7iQ4FrjbePdlkBN9aLlQPG","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 0xd74970802048daba89b4ebda82ebb0cee34ca9801a6523e7e04220a6b64e77c6. 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/7iQ4FrjbePdlkBN9aLlQPG.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/7iQ4FrjbePdlkBN9aLlQPG.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xd74970802048daba89b4ebda82ebb0cee34ca9801a6523e7e04220a6b64e77c6","isrc":"DEN961801700","name":"Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-18T17:54:55Z","spotify_id":"7iQ4FrjbePdlkBN9aLlQPG","type":"track"}

Lieder ohne Worte VIII, Op. 102: I. Andante un poco agitato, MWV U162 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M49S
duration ms: 169280
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801710
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T06:41:52+00:00

5 Lieder, Op. 105: No. 1, Wie Melodien zieht es mir (Transcr. for Clarinet & Piano)
type: MusicRecording
duration: PT2M9S
duration ms: 129759
explicit: false
by artist: Johannes Brahms
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801720
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:28:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dddf44106c9397b6d6d9adbf03ebce4cd3717c4da2b6f24e93f0aa47fe3bca4
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/6dJFIhpRdh63NUo8Y92Ibq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dJFIhpRdh63NUo8Y92Ibq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4dddf44106c9397b6d6d9adbf03ebce4cd3717c4da2b6f24e93f0aa47fe3bca4","isrc":"DEN961801720","name":"5 Lieder, Op. 105: No. 1, Wie Melodien zieht es mir (Transcr. for Clarinet & Piano)","registered_at":"2026-06-22T04:28:31Z","spotify_id":"6dJFIhpRdh63NUo8Y92Ibq","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 0x4dddf44106c9397b6d6d9adbf03ebce4cd3717c4da2b6f24e93f0aa47fe3bca4. 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/6dJFIhpRdh63NUo8Y92Ibq.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/6dJFIhpRdh63NUo8Y92Ibq.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x4dddf44106c9397b6d6d9adbf03ebce4cd3717c4da2b6f24e93f0aa47fe3bca4","isrc":"DEN961801720","name":"5 Lieder, Op. 105: No. 1, Wie Melodien zieht es mir (Transcr. for Clarinet & Piano)","registered_at":"2026-06-22T04:28:31Z","spotify_id":"6dJFIhpRdh63NUo8Y92Ibq","type":"track"}

Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M31S
duration ms: 151426
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801730
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T18:04:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeaa4dba8be313a1bb8ebc1889bd36fc062e1a66de39c2011b239495e9027446d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957073
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6KGFVhGFZW5j9dgfIXUXrZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6KGFVhGFZW5j9dgfIXUXrZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeaa4dba8be313a1bb8ebc1889bd36fc062e1a66de39c2011b239495e9027446d","isrc":"DEN961801730","name":"Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-24T18:04:07Z","spotify_id":"6KGFVhGFZW5j9dgfIXUXrZ","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 0xeaa4dba8be313a1bb8ebc1889bd36fc062e1a66de39c2011b239495e9027446d. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6KGFVhGFZW5j9dgfIXUXrZ.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/6KGFVhGFZW5j9dgfIXUXrZ.
  date published: 2026-07-07T18:39:05Z
  text: {"copyright_id":"0xeaa4dba8be313a1bb8ebc1889bd36fc062e1a66de39c2011b239495e9027446d","isrc":"DEN961801730","name":"Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-24T18:04:07Z","spotify_id":"6KGFVhGFZW5j9dgfIXUXrZ","type":"track"}

Lieder ohne Worte VI, Op. 67: III. Andante tranquillo, MWV U102 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M25S
duration ms: 145613
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801740
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:48:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5dc367c002572d7750cb75c366df2d25922aea9eb01725a3617dd4571d6c9a5b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/78zDkc50uwkcyG5IxMXWZ8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/78zDkc50uwkcyG5IxMXWZ8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5dc367c002572d7750cb75c366df2d25922aea9eb01725a3617dd4571d6c9a5b","isrc":"DEN961801740","name":"Lieder ohne Worte VI, Op. 67: III. Andante tranquillo, MWV U102 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-27T06:48:14Z","spotify_id":"78zDkc50uwkcyG5IxMXWZ8","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 0x5dc367c002572d7750cb75c366df2d25922aea9eb01725a3617dd4571d6c9a5b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/78zDkc50uwkcyG5IxMXWZ8.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/78zDkc50uwkcyG5IxMXWZ8.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x5dc367c002572d7750cb75c366df2d25922aea9eb01725a3617dd4571d6c9a5b","isrc":"DEN961801740","name":"Lieder ohne Worte VI, Op. 67: III. Andante tranquillo, MWV U102 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-27T06:48:14Z","spotify_id":"78zDkc50uwkcyG5IxMXWZ8","type":"track"}

Grand duo concertant, Op. 48: I. Allegro con fuoco
type: MusicRecording
duration: PT5M40S
duration ms: 340866
explicit: false
by artist: Carl Maria von Weber
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801751

Grand duo concertant, Op. 48: II. Andante con moto
type: MusicRecording
duration: PT4M48S
duration ms: 288013
explicit: false
by artist: Carl Maria von Weber
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801752

Grand duo concertant, Op. 48: III. Rondo. Allegro
type: MusicRecording
duration: PT5M42S
duration ms: 342573
explicit: false
by artist: Carl Maria von Weber
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801753

Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT3M8S
duration ms: 188480
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801760
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:35:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x506b3198beb154c025cfe3f52e2c873355f35a5016d1331b64c9272919c31ac3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/41X4Atnow91yxSVNsHHSPr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/41X4Atnow91yxSVNsHHSPr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x506b3198beb154c025cfe3f52e2c873355f35a5016d1331b64c9272919c31ac3","isrc":"DEN961801760","name":"Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-25T23:35:57Z","spotify_id":"41X4Atnow91yxSVNsHHSPr","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 0x506b3198beb154c025cfe3f52e2c873355f35a5016d1331b64c9272919c31ac3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/41X4Atnow91yxSVNsHHSPr.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/41X4Atnow91yxSVNsHHSPr.
  date published: 2026-07-08T03:20:19Z
  text: {"copyright_id":"0x506b3198beb154c025cfe3f52e2c873355f35a5016d1331b64c9272919c31ac3","isrc":"DEN961801760","name":"Lieder ohne Worte II, Op. 30: VI. Venetian Gondola Song. Allegretto, MWV U110 (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-25T23:35:57Z","spotify_id":"41X4Atnow91yxSVNsHHSPr","type":"track"}

Lieder ohne Worte VI, Op. 67: II. Allegro leggiero, MWV U145 "Lost Illusions" (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M15S
duration ms: 135080
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801770
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T17:17:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf04f4be4553010d7860e87ee24e4fd15f1368df56e58bae62cda49b373fe38e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/65JYlLxUPQ8bKt4vyGL7z5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/65JYlLxUPQ8bKt4vyGL7z5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcf04f4be4553010d7860e87ee24e4fd15f1368df56e58bae62cda49b373fe38e","isrc":"DEN961801770","name":"Lieder ohne Worte VI, Op. 67: II. Allegro leggiero, MWV U145 \"Lost Illusions\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-05T17:17:27Z","spotify_id":"65JYlLxUPQ8bKt4vyGL7z5","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 0xcf04f4be4553010d7860e87ee24e4fd15f1368df56e58bae62cda49b373fe38e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65JYlLxUPQ8bKt4vyGL7z5.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/65JYlLxUPQ8bKt4vyGL7z5.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0xcf04f4be4553010d7860e87ee24e4fd15f1368df56e58bae62cda49b373fe38e","isrc":"DEN961801770","name":"Lieder ohne Worte VI, Op. 67: II. Allegro leggiero, MWV U145 \"Lost Illusions\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-05T17:17:27Z","spotify_id":"65JYlLxUPQ8bKt4vyGL7z5","type":"track"}

Lieder ohne Worte VII, Op. 85: IV. Andante sostenuto, MWV U190 "Elegy" (Arr. Ottensamer for Clarinet & Piano)
type: MusicRecording
duration: PT2M36S
duration ms: 156013
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Yuja Wang
in album: Blue Hour – Weber, Brahms, Mendelssohn
  type: MusicAlbum
  date published: 2019-03-08
isrc code: DEN961801780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:34:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa41fa64ea89b38b555795fc45e7ff55eaa0f7ab3456ac4a27856263eee320427
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2UG8SvucH5SmYtIBJmDQYY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2UG8SvucH5SmYtIBJmDQYY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa41fa64ea89b38b555795fc45e7ff55eaa0f7ab3456ac4a27856263eee320427","isrc":"DEN961801780","name":"Lieder ohne Worte VII, Op. 85: IV. Andante sostenuto, MWV U190 \"Elegy\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-25T23:34:11Z","spotify_id":"2UG8SvucH5SmYtIBJmDQYY","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 0xa41fa64ea89b38b555795fc45e7ff55eaa0f7ab3456ac4a27856263eee320427. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2UG8SvucH5SmYtIBJmDQYY.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/2UG8SvucH5SmYtIBJmDQYY.
  date published: 2026-07-08T03:20:19Z
  text: {"copyright_id":"0xa41fa64ea89b38b555795fc45e7ff55eaa0f7ab3456ac4a27856263eee320427","isrc":"DEN961801780","name":"Lieder ohne Worte VII, Op. 85: IV. Andante sostenuto, MWV U190 \"Elegy\" (Arr. Ottensamer for Clarinet & Piano)","registered_at":"2026-06-25T23:34:11Z","spotify_id":"2UG8SvucH5SmYtIBJmDQYY","type":"track"}

The Berlin Recital (Live at Philharmonie, Berlin / 2018)
type: MusicAlbum
date published: 2018-11-23
track: Prelude in G Minor, Op. 23, No. 5 - Live at Philharmonie, Berlin, 2018
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232786
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
    type: MusicAlbum
    date published: 2018-11-23
  isrc code: DEN961801010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T09:56:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x78b21d52a5204bfa1569cb0f6ae865b1ae600e162ed44e1646c270f48bfca607
  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/5POqEly0x1JhGSYS3jkRjI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5POqEly0x1JhGSYS3jkRjI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x78b21d52a5204bfa1569cb0f6ae865b1ae600e162ed44e1646c270f48bfca607","isrc":"DEN961801010","name":"Prelude in G Minor, Op. 23, No. 5 - Live at Philharmonie, Berlin, 2018","registered_at":"2026-06-04T09:56:03Z","spotify_id":"5POqEly0x1JhGSYS3jkRjI","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 0x78b21d52a5204bfa1569cb0f6ae865b1ae600e162ed44e1646c270f48bfca607. 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/5POqEly0x1JhGSYS3jkRjI.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/5POqEly0x1JhGSYS3jkRjI.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x78b21d52a5204bfa1569cb0f6ae865b1ae600e162ed44e1646c270f48bfca607","isrc":"DEN961801010","name":"Prelude in G Minor, Op. 23, No. 5 - Live at Philharmonie, Berlin, 2018","registered_at":"2026-06-04T09:56:03Z","spotify_id":"5POqEly0x1JhGSYS3jkRjI","type":"track"}
track: Études-Tableaux, Op. 39: No. 1 in C Minor - Live at Philharmonie, Berlin, 2018
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204533
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
    type: MusicAlbum
    date published: 2018-11-23
  isrc code: DEN961801090
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T21:50:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x11e03bed8bf45c1775edcaa5965547191577ad96607cbdb516cb675fb0eab978
  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/7tcD6G7lZwj5a6RTvxZoYF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tcD6G7lZwj5a6RTvxZoYF
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x11e03bed8bf45c1775edcaa5965547191577ad96607cbdb516cb675fb0eab978","isrc":"DEN961801090","name":"Études-Tableaux, Op. 39: No. 1 in C Minor - Live at Philharmonie, Berlin, 2018","registered_at":"2026-06-26T21:50:54Z","spotify_id":"7tcD6G7lZwj5a6RTvxZoYF","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 0x11e03bed8bf45c1775edcaa5965547191577ad96607cbdb516cb675fb0eab978. 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/7tcD6G7lZwj5a6RTvxZoYF.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/7tcD6G7lZwj5a6RTvxZoYF.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x11e03bed8bf45c1775edcaa5965547191577ad96607cbdb516cb675fb0eab978","isrc":"DEN961801090","name":"Études-Tableaux, Op. 39: No. 1 in C Minor - Live at Philharmonie, Berlin, 2018","registered_at":"2026-06-26T21:50:54Z","spotify_id":"7tcD6G7lZwj5a6RTvxZoYF","type":"track"}
track: Etudes-tableaux, Op. 33: No. 3 in C Minor. Grave (Op. posth.) - Live at Philharmonie, Berlin, 2018
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255266
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
    type: MusicAlbum
    date published: 2018-11-23
  isrc code: DEN961801020
track: Prelude in B Minor, Op. 32, No. 10 - Live at Philharmonie, Berlin, 2018
  type: MusicRecording
  duration: PT5M36S
  duration ms: 336746
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
    type: MusicAlbum
    date published: 2018-11-23
  isrc code: DEN961801030
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T04:49:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa5769d8b65af1ca17034ad92de83943ef80e0d6719cd5942707d41c884a44331
  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/7pM6JMKsJNsHb1dM74pgi3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pM6JMKsJNsHb1dM74pgi3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa5769d8b65af1ca17034ad92de83943ef80e0d6719cd5942707d41c884a44331","isrc":"DEN961801030","name":"Prelude in B Minor, Op. 32, No. 10 - Live at Philharmonie, Berlin, 2018","registered_at":"2026-06-20T04:49:13Z","spotify_id":"7pM6JMKsJNsHb1dM74pgi3","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 0xa5769d8b65af1ca17034ad92de83943ef80e0d6719cd5942707d41c884a44331. 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/7pM6JMKsJNsHb1dM74pgi3.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/7pM6JMKsJNsHb1dM74pgi3.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xa5769d8b65af1ca17034ad92de83943ef80e0d6719cd5942707d41c884a44331","isrc":"DEN961801030","name":"Prelude in B Minor, Op. 32, No. 10 - Live at Philharmonie, Berlin, 2018","registered_at":"2026-06-20T04:49:13Z","spotify_id":"7pM6JMKsJNsHb1dM74pgi3","type":"track"}
track: Piano Sonata No. 10, Op. 70 - Live at Philharmonie, Berlin, 2018
  type: MusicRecording
  duration: PT11M52S
  duration ms: 712293
  explicit: false
  by artist: Alexander Scriabin
  by artist: Yuja Wang
  in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
    type: MusicAlbum
    date published: 2018-11-23
  isrc code: DEN961801050
track: Études pour piano: No. 3 "Touches bloquées" - Live at Philharmonie, Berlin, 2018
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113360
  explicit: false
  by artist: György Ligeti
  by artist: Yuja Wang
  in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
    type: MusicAlbum
    date published: 2018-11-23
  isrc code: DEN961801060
track: Études pour piano: No. 9 "Vertige" - Live at Philharmonie, Berlin, 2018
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159386
  explicit: false
  by artist: György Ligeti
  by artist: Yuja Wang
  in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
    type: MusicAlbum
    date published: 2018-11-23
  isrc code: DEN961801070
track: Études pour piano: No. 1 "Désordre" - Live at Philharmonie, Berlin, 2018
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157640
  explicit: false
  by artist: György Ligeti
  by artist: Yuja Wang
  in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
    type: MusicAlbum
    date published: 2018-11-23
  isrc code: DEN961801080
track: Piano Sonata No. 8 in B-Flat Major, Op. 84: I. Andante dolce - Live at Philharmonie, Berlin, 2018
track: Piano Sonata No. 8 in B-Flat Major, Op. 84: II. Andante sognando - Live at Philharmonie, Berlin, 2018
track: Piano Sonata No. 8 in B-Flat Major, Op. 84: III. Vivace - Live at Philharmonie, Berlin, 2018

Piano Sonata No. 8 in B-Flat Major, Op. 84: I. Andante dolce - Live at Philharmonie, Berlin, 2018
type: MusicRecording
duration: PT13M48S
duration ms: 828640
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
  type: MusicAlbum
  date published: 2018-11-23
isrc code: DEN961801091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T22:10:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf04d959a104baaf3b2140b86d687589a72361d6a71b365ed94aeea4d8f3e3329
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/72STubOoMDVItnNgbSbAgX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/72STubOoMDVItnNgbSbAgX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf04d959a104baaf3b2140b86d687589a72361d6a71b365ed94aeea4d8f3e3329","isrc":"DEN961801091","name":"Piano Sonata No. 8 in B-Flat Major, Op. 84: I. Andante dolce - Live at Philharmonie, Berlin, 2018","registered_at":"2026-06-26T22:10:59Z","spotify_id":"72STubOoMDVItnNgbSbAgX","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 0xf04d959a104baaf3b2140b86d687589a72361d6a71b365ed94aeea4d8f3e3329. 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/72STubOoMDVItnNgbSbAgX.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/72STubOoMDVItnNgbSbAgX.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xf04d959a104baaf3b2140b86d687589a72361d6a71b365ed94aeea4d8f3e3329","isrc":"DEN961801091","name":"Piano Sonata No. 8 in B-Flat Major, Op. 84: I. Andante dolce - Live at Philharmonie, Berlin, 2018","registered_at":"2026-06-26T22:10:59Z","spotify_id":"72STubOoMDVItnNgbSbAgX","type":"track"}

Piano Sonata No. 8 in B-Flat Major, Op. 84: II. Andante sognando - Live at Philharmonie, Berlin, 2018
type: MusicRecording
duration: PT4M39S
duration ms: 279013
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
  type: MusicAlbum
  date published: 2018-11-23
isrc code: DEN961801092

Piano Sonata No. 8 in B-Flat Major, Op. 84: III. Vivace - Live at Philharmonie, Berlin, 2018
type: MusicRecording
duration: PT10M45S
duration ms: 645573
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
in album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
  type: MusicAlbum
  date published: 2018-11-23
isrc code: DEN961801093

Brahms: The Violin Sonatas
type: MusicAlbum
date published: 2014-01-01
track: Scherzo in C Minor for Violin and Piano (from the F-A-E Sonata)
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339824
  explicit: false
  by artist: Johannes Brahms
  by artist: Leonidas Kavakos
  by artist: Yuja Wang
  in album: Brahms: The Violin Sonatas
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: GBF071304370
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T04:10:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeed4d6b847ec34b223525e79b54e6391bf257899b9916d07e91ac99f64c82430
  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/29sphDYhis3DjUamHZ2hN3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/29sphDYhis3DjUamHZ2hN3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xeed4d6b847ec34b223525e79b54e6391bf257899b9916d07e91ac99f64c82430","isrc":"GBF071304370","name":"Scherzo in C Minor for Violin and Piano (from the F-A-E Sonata)","registered_at":"2026-06-22T04:10:42Z","spotify_id":"29sphDYhis3DjUamHZ2hN3","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 0xeed4d6b847ec34b223525e79b54e6391bf257899b9916d07e91ac99f64c82430. 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/29sphDYhis3DjUamHZ2hN3.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/29sphDYhis3DjUamHZ2hN3.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xeed4d6b847ec34b223525e79b54e6391bf257899b9916d07e91ac99f64c82430","isrc":"GBF071304370","name":"Scherzo in C Minor for Violin and Piano (from the F-A-E Sonata)","registered_at":"2026-06-22T04:10:42Z","spotify_id":"29sphDYhis3DjUamHZ2hN3","type":"track"}
track: Violin Sonata No. 1 in G Major, Op. 78: I. Vivace ma non troppo
  type: MusicRecording
  duration: PT11M11S
  duration ms: 671448
  explicit: false
  by artist: Johannes Brahms
  by artist: Leonidas Kavakos
  by artist: Yuja Wang
  in album: Brahms: The Violin Sonatas
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: GBF071304341
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:08:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x46f83966530d80bf836aa4ece7f0cb4fdd71ddbb768528d2f13dd64e2a820e04
  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/4bAzP5b77D8pOoZcOO0pf7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4bAzP5b77D8pOoZcOO0pf7
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x46f83966530d80bf836aa4ece7f0cb4fdd71ddbb768528d2f13dd64e2a820e04","isrc":"GBF071304341","name":"Violin Sonata No. 1 in G Major, Op. 78: I. Vivace ma non troppo","registered_at":"2026-06-21T05:08:37Z","spotify_id":"4bAzP5b77D8pOoZcOO0pf7","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 0x46f83966530d80bf836aa4ece7f0cb4fdd71ddbb768528d2f13dd64e2a820e04. 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/4bAzP5b77D8pOoZcOO0pf7.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/4bAzP5b77D8pOoZcOO0pf7.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x46f83966530d80bf836aa4ece7f0cb4fdd71ddbb768528d2f13dd64e2a820e04","isrc":"GBF071304341","name":"Violin Sonata No. 1 in G Major, Op. 78: I. Vivace ma non troppo","registered_at":"2026-06-21T05:08:37Z","spotify_id":"4bAzP5b77D8pOoZcOO0pf7","type":"track"}
track: Violin Sonata No. 1 in G Major, Op. 78: II. Adagio
  type: MusicRecording
  duration: PT7M56S
  duration ms: 476448
  explicit: false
  by artist: Johannes Brahms
  by artist: Leonidas Kavakos
  by artist: Yuja Wang
  in album: Brahms: The Violin Sonatas
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: GBF071304342
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T09:43:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf5f5ee497ef8309b8e1b7f790df9a151b906a7ffff8e2b711e050b0613eada27
  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/4MAeMQxOFGbm7kxnQoO2pz.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4MAeMQxOFGbm7kxnQoO2pz
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf5f5ee497ef8309b8e1b7f790df9a151b906a7ffff8e2b711e050b0613eada27","isrc":"GBF071304342","name":"Violin Sonata No. 1 in G Major, Op. 78: II. Adagio","registered_at":"2026-06-22T09:43:43Z","spotify_id":"4MAeMQxOFGbm7kxnQoO2pz","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 0xf5f5ee497ef8309b8e1b7f790df9a151b906a7ffff8e2b711e050b0613eada27. 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/4MAeMQxOFGbm7kxnQoO2pz.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/4MAeMQxOFGbm7kxnQoO2pz.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xf5f5ee497ef8309b8e1b7f790df9a151b906a7ffff8e2b711e050b0613eada27","isrc":"GBF071304342","name":"Violin Sonata No. 1 in G Major, Op. 78: II. Adagio","registered_at":"2026-06-22T09:43:43Z","spotify_id":"4MAeMQxOFGbm7kxnQoO2pz","type":"track"}
track: Violin Sonata No. 1 in G Major, Op. 78: III. Allegro molto moderato
  type: MusicRecording
  duration: PT8M33S
  duration ms: 513595
  explicit: false
  by artist: Johannes Brahms
  by artist: Leonidas Kavakos
  by artist: Yuja Wang
  in album: Brahms: The Violin Sonatas
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: GBF071304343
track: Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile
  type: MusicRecording
  duration: PT8M28S
  duration ms: 508662
  explicit: false
  by artist: Johannes Brahms
  by artist: Leonidas Kavakos
  by artist: Yuja Wang
  in album: Brahms: The Violin Sonatas
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: GBF071304351
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:40:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf5d2149138770d7f82a03ef94b916f1a810850e88dddce32428f7c803bae7dd5
  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/3Hiew6ugk1mJ4ahYMw8Ony.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Hiew6ugk1mJ4ahYMw8Ony
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Violin Sonata No. 2 in A Major, Op. 100: II. Andante tranquillo - Vivace - Andante - Vivace di più - Andante vivace
track: Violin Sonata No. 2 in A Major, Op. 100: III. Allegretto grazioso. Quasi andante
track: Violin Sonata No. 3 in D Minor, Op. 108: I. Allegro
track: Violin Sonata No. 3 in D Minor, Op. 108: II. Adagio
track: Violin Sonata No. 3 in D Minor, Op. 108: III. Un poco presto e con sentimento
track: Violin Sonata No. 3 in D Minor, Op. 108: IV. Presto agitato
track: Wiegenlied, Op. 49, No. 4

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xf5d2149138770d7f82a03ef94b916f1a810850e88dddce32428f7c803bae7dd5","isrc":"GBF071304351","name":"Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile","registered_at":"2026-06-25T23:40:15Z","spotify_id":"3Hiew6ugk1mJ4ahYMw8Ony","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 0xf5d2149138770d7f82a03ef94b916f1a810850e88dddce32428f7c803bae7dd5. 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/3Hiew6ugk1mJ4ahYMw8Ony.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/3Hiew6ugk1mJ4ahYMw8Ony.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0xf5d2149138770d7f82a03ef94b916f1a810850e88dddce32428f7c803bae7dd5","isrc":"GBF071304351","name":"Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile","registered_at":"2026-06-25T23:40:15Z","spotify_id":"3Hiew6ugk1mJ4ahYMw8Ony","type":"track"}

Violin Sonata No. 2 in A Major, Op. 100: II. Andante tranquillo - Vivace - Andante - Vivace di più - Andante vivace
type: MusicRecording
duration: PT6M4S
duration ms: 364755
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071304352

Violin Sonata No. 2 in A Major, Op. 100: III. Allegretto grazioso. Quasi andante
type: MusicRecording
duration: PT5M24S
duration ms: 324395
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071304353
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:33:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30b4b7f1147d53af245bdf01895f2329a4ec6d79023eee23cfb7873af0ef5f84
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/5B0yX2Sf0oJjjPCUuOcdka.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5B0yX2Sf0oJjjPCUuOcdka
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x30b4b7f1147d53af245bdf01895f2329a4ec6d79023eee23cfb7873af0ef5f84","isrc":"GBF071304353","name":"Violin Sonata No. 2 in A Major, Op. 100: III. Allegretto grazioso. Quasi andante","registered_at":"2026-06-27T06:33:51Z","spotify_id":"5B0yX2Sf0oJjjPCUuOcdka","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 0x30b4b7f1147d53af245bdf01895f2329a4ec6d79023eee23cfb7873af0ef5f84. 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/5B0yX2Sf0oJjjPCUuOcdka.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/5B0yX2Sf0oJjjPCUuOcdka.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x30b4b7f1147d53af245bdf01895f2329a4ec6d79023eee23cfb7873af0ef5f84","isrc":"GBF071304353","name":"Violin Sonata No. 2 in A Major, Op. 100: III. Allegretto grazioso. Quasi andante","registered_at":"2026-06-27T06:33:51Z","spotify_id":"5B0yX2Sf0oJjjPCUuOcdka","type":"track"}

Violin Sonata No. 3 in D Minor, Op. 108: I. Allegro
type: MusicRecording
duration: PT8M12S
duration ms: 492275
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071304361
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T05:59:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e12541a23e333882da1cec43cc677bbb74b2c9b7cdcf9cbbe5474ff30307317
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/72Pke1wwqK6bu0iKjCNmAB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/72Pke1wwqK6bu0iKjCNmAB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3e12541a23e333882da1cec43cc677bbb74b2c9b7cdcf9cbbe5474ff30307317","isrc":"GBF071304361","name":"Violin Sonata No. 3 in D Minor, Op. 108: I. Allegro","registered_at":"2026-06-25T05:59:36Z","spotify_id":"72Pke1wwqK6bu0iKjCNmAB","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 0x3e12541a23e333882da1cec43cc677bbb74b2c9b7cdcf9cbbe5474ff30307317. 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/72Pke1wwqK6bu0iKjCNmAB.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/72Pke1wwqK6bu0iKjCNmAB.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x3e12541a23e333882da1cec43cc677bbb74b2c9b7cdcf9cbbe5474ff30307317","isrc":"GBF071304361","name":"Violin Sonata No. 3 in D Minor, Op. 108: I. Allegro","registered_at":"2026-06-25T05:59:36Z","spotify_id":"72Pke1wwqK6bu0iKjCNmAB","type":"track"}

Violin Sonata No. 3 in D Minor, Op. 108: II. Adagio
type: MusicRecording
duration: PT4M43S
duration ms: 283648
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071304362
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:01:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f533d53d002095131911856783ef284662e2fd792c6f85f51e5c5f83e9dbb75
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/10KEJLAyzwfNQRPIjo81ap.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10KEJLAyzwfNQRPIjo81ap
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4f533d53d002095131911856783ef284662e2fd792c6f85f51e5c5f83e9dbb75","isrc":"GBF071304362","name":"Violin Sonata No. 3 in D Minor, Op. 108: II. Adagio","registered_at":"2026-06-23T10:01:22Z","spotify_id":"10KEJLAyzwfNQRPIjo81ap","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 0x4f533d53d002095131911856783ef284662e2fd792c6f85f51e5c5f83e9dbb75. 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/10KEJLAyzwfNQRPIjo81ap.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/10KEJLAyzwfNQRPIjo81ap.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x4f533d53d002095131911856783ef284662e2fd792c6f85f51e5c5f83e9dbb75","isrc":"GBF071304362","name":"Violin Sonata No. 3 in D Minor, Op. 108: II. Adagio","registered_at":"2026-06-23T10:01:22Z","spotify_id":"10KEJLAyzwfNQRPIjo81ap","type":"track"}

Violin Sonata No. 3 in D Minor, Op. 108: III. Un poco presto e con sentimento
type: MusicRecording
duration: PT2M52S
duration ms: 172608
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071304363

Violin Sonata No. 3 in D Minor, Op. 108: IV. Presto agitato
type: MusicRecording
duration: PT5M53S
duration ms: 353915
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071304364

Wiegenlied, Op. 49, No. 4
type: MusicRecording
duration: PT1M39S
duration ms: 99244
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071304380
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:29:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23e677998a9de2f554f4ecb84dae0ce711de6c80e08ac22e019ef1d42e7ee9b1
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/6IUfNz7B3fwyI4FWPJdFWe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6IUfNz7B3fwyI4FWPJdFWe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x23e677998a9de2f554f4ecb84dae0ce711de6c80e08ac22e019ef1d42e7ee9b1","isrc":"GBF071304380","name":"Wiegenlied, Op. 49, No. 4","registered_at":"2026-06-04T15:29:30Z","spotify_id":"6IUfNz7B3fwyI4FWPJdFWe","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 0x23e677998a9de2f554f4ecb84dae0ce711de6c80e08ac22e019ef1d42e7ee9b1. 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/6IUfNz7B3fwyI4FWPJdFWe.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/6IUfNz7B3fwyI4FWPJdFWe.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x23e677998a9de2f554f4ecb84dae0ce711de6c80e08ac22e019ef1d42e7ee9b1","isrc":"GBF071304380","name":"Wiegenlied, Op. 49, No. 4","registered_at":"2026-06-04T15:29:30Z","spotify_id":"6IUfNz7B3fwyI4FWPJdFWe","type":"track"}

Summer In February
type: MusicAlbum
date published: 2013-01-01
track: Wallfisch: Lamorma
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185773
  explicit: false
  by artist: Yuja Wang
  by artist: Benjamin Wallfisch
  in album: Summer In February
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961230701
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T04:59:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9c97ef1ef9f9e901055db7d68bd7b9fb3a3a08cfbef401188ed041ba21298881
  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/1o7rmFXIzQ7kzG4HeJHMFd.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1o7rmFXIzQ7kzG4HeJHMFd
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9c97ef1ef9f9e901055db7d68bd7b9fb3a3a08cfbef401188ed041ba21298881","isrc":"DEN961230701","name":"Wallfisch: Lamorma","registered_at":"2026-06-05T04:59:16Z","spotify_id":"1o7rmFXIzQ7kzG4HeJHMFd","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 0x9c97ef1ef9f9e901055db7d68bd7b9fb3a3a08cfbef401188ed041ba21298881. 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/1o7rmFXIzQ7kzG4HeJHMFd.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/1o7rmFXIzQ7kzG4HeJHMFd.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x9c97ef1ef9f9e901055db7d68bd7b9fb3a3a08cfbef401188ed041ba21298881","isrc":"DEN961230701","name":"Wallfisch: Lamorma","registered_at":"2026-06-05T04:59:16Z","spotify_id":"1o7rmFXIzQ7kzG4HeJHMFd","type":"track"}
track: Wallfisch: Mirror
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138186
  explicit: false
  by artist: Yuja Wang
  by artist: Benjamin Wallfisch
  in album: Summer In February
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961230702
track: Wallfisch: The Races
  type: MusicRecording
  duration: PT1M33S
  duration ms: 93706
  explicit: false
  by artist: Yuja Wang
  by artist: Benjamin Wallfisch
  in album: Summer In February
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961230703
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:08:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb52b7efe7d68c9ae21cc3c3289b6fa6a4b067fb234075457d3af7e7c51931b3c
  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/0B7K22eW624s0dmg2xq1wt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0B7K22eW624s0dmg2xq1wt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb52b7efe7d68c9ae21cc3c3289b6fa6a4b067fb234075457d3af7e7c51931b3c","isrc":"DEN961230703","name":"Wallfisch: The Races","registered_at":"2026-06-21T05:08:41Z","spotify_id":"0B7K22eW624s0dmg2xq1wt","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 0xb52b7efe7d68c9ae21cc3c3289b6fa6a4b067fb234075457d3af7e7c51931b3c. 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/0B7K22eW624s0dmg2xq1wt.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/0B7K22eW624s0dmg2xq1wt.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xb52b7efe7d68c9ae21cc3c3289b6fa6a4b067fb234075457d3af7e7c51931b3c","isrc":"DEN961230703","name":"Wallfisch: The Races","registered_at":"2026-06-21T05:08:41Z","spotify_id":"0B7K22eW624s0dmg2xq1wt","type":"track"}
track: Wallfisch: Painting
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290826
  explicit: false
  by artist: Yuja Wang
  by artist: Benjamin Wallfisch
  in album: Summer In February
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961230704
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:37:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfff919e4c88ef11f4c68bec063a3333424d75fa3d8d5eed5b0cda9891ec3e21e
  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/0ghT9WVevncvu2FZKI2Rs5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ghT9WVevncvu2FZKI2Rs5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfff919e4c88ef11f4c68bec063a3333424d75fa3d8d5eed5b0cda9891ec3e21e","isrc":"DEN961230704","name":"Wallfisch: Painting","registered_at":"2026-06-25T23:37:03Z","spotify_id":"0ghT9WVevncvu2FZKI2Rs5","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 0xfff919e4c88ef11f4c68bec063a3333424d75fa3d8d5eed5b0cda9891ec3e21e. 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/0ghT9WVevncvu2FZKI2Rs5.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/0ghT9WVevncvu2FZKI2Rs5.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xfff919e4c88ef11f4c68bec063a3333424d75fa3d8d5eed5b0cda9891ec3e21e","isrc":"DEN961230704","name":"Wallfisch: Painting","registered_at":"2026-06-25T23:37:03Z","spotify_id":"0ghT9WVevncvu2FZKI2Rs5","type":"track"}
track: Wallfisch: Proposal
  type: MusicRecording
  duration: PT1M29S
  duration ms: 89973
  explicit: false
  by artist: Yuja Wang
  by artist: Benjamin Wallfisch
  in album: Summer In February
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961230705
track: Wallfisch: Gilbert's Theme
  type: MusicRecording
  duration: PT1M26S
  duration ms: 86826
  explicit: false
  by artist: Yuja Wang
  by artist: Benjamin Wallfisch
  in album: Summer In February
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: DEN961230706
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T08:13:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7d8b9fd4806cfdf2623a964f70f5ab3574d2940a6adc371b63d9e0b0586e4414
  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/1Vy3T5jfAB1ztCxHriPGUW.json
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Wallfisch: Florence's Theme
track: Wallfisch: AJ's Request
track: Wallfisch: Unaccountable
track: Wallfisch: Wedding
track: Wallfisch: Cyanide
track: Wallfisch: Florence's Hut
track: Wallfisch: Art And Life
track: Wallfisch: Final Kiss
track: Wallfisch: The Storm
track: Wallfisch: Aftermath
track: Wallfisch: Gilbert Returns
track: Wallfisch: Siren's Lullaby
track: Wallfisch: Epilogue: Morning Ride

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Vy3T5jfAB1ztCxHriPGUW

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x7d8b9fd4806cfdf2623a964f70f5ab3574d2940a6adc371b63d9e0b0586e4414","isrc":"DEN961230706","name":"Wallfisch: Gilbert's Theme","registered_at":"2026-06-20T08:13:59Z","spotify_id":"1Vy3T5jfAB1ztCxHriPGUW","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 0x7d8b9fd4806cfdf2623a964f70f5ab3574d2940a6adc371b63d9e0b0586e4414. 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/1Vy3T5jfAB1ztCxHriPGUW.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/1Vy3T5jfAB1ztCxHriPGUW.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x7d8b9fd4806cfdf2623a964f70f5ab3574d2940a6adc371b63d9e0b0586e4414","isrc":"DEN961230706","name":"Wallfisch: Gilbert's Theme","registered_at":"2026-06-20T08:13:59Z","spotify_id":"1Vy3T5jfAB1ztCxHriPGUW","type":"track"}

Wallfisch: Florence's Theme
type: MusicRecording
duration: PT2M35S
duration ms: 155546
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230707

Wallfisch: AJ's Request
type: MusicRecording
duration: PT1M6S
duration ms: 66360
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230708

Wallfisch: Unaccountable
type: MusicRecording
duration: PT2M13S
duration ms: 133973
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230709

Wallfisch: Wedding
type: MusicRecording
duration: PT1M18S
duration ms: 78600
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230710
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:55:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa00719db8b06950b16ce28e66d4c5b58ada268f729cb5cbabfc2a26e98d4fb1c
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/45jAcS04LuK4PTjpnzduK0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/45jAcS04LuK4PTjpnzduK0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa00719db8b06950b16ce28e66d4c5b58ada268f729cb5cbabfc2a26e98d4fb1c","isrc":"DEN961230710","name":"Wallfisch: Wedding","registered_at":"2026-06-23T09:55:59Z","spotify_id":"45jAcS04LuK4PTjpnzduK0","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 0xa00719db8b06950b16ce28e66d4c5b58ada268f729cb5cbabfc2a26e98d4fb1c. 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/45jAcS04LuK4PTjpnzduK0.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/45jAcS04LuK4PTjpnzduK0.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xa00719db8b06950b16ce28e66d4c5b58ada268f729cb5cbabfc2a26e98d4fb1c","isrc":"DEN961230710","name":"Wallfisch: Wedding","registered_at":"2026-06-23T09:55:59Z","spotify_id":"45jAcS04LuK4PTjpnzduK0","type":"track"}

Wallfisch: Cyanide
type: MusicRecording
duration: PT3M19S
duration ms: 199560
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230711

Wallfisch: Florence's Hut
type: MusicRecording
duration: PT1M56S
duration ms: 116120
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230712

Wallfisch: Art And Life
type: MusicRecording
duration: PT2M17S
duration ms: 137973
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230713
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:38:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ece0665bbfa580b3225e38a1c321fa40a390dd436712ca8aaea3659042115eb
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/52KeH0yT6ktHOqdq4VM5HS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52KeH0yT6ktHOqdq4VM5HS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ece0665bbfa580b3225e38a1c321fa40a390dd436712ca8aaea3659042115eb","isrc":"DEN961230713","name":"Wallfisch: Art And Life","registered_at":"2026-06-25T23:38:38Z","spotify_id":"52KeH0yT6ktHOqdq4VM5HS","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 0x6ece0665bbfa580b3225e38a1c321fa40a390dd436712ca8aaea3659042115eb. 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/52KeH0yT6ktHOqdq4VM5HS.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/52KeH0yT6ktHOqdq4VM5HS.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x6ece0665bbfa580b3225e38a1c321fa40a390dd436712ca8aaea3659042115eb","isrc":"DEN961230713","name":"Wallfisch: Art And Life","registered_at":"2026-06-25T23:38:38Z","spotify_id":"52KeH0yT6ktHOqdq4VM5HS","type":"track"}

Wallfisch: Final Kiss
type: MusicRecording
duration: PT4M59S
duration ms: 299400
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230714
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:06:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf220a35cbfc8d9a2a12d0d93d21c34766674b93a1dc117facaee7f6107199e7
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/3NVesRRjWoV2KXLxfEar9a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3NVesRRjWoV2KXLxfEar9a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf220a35cbfc8d9a2a12d0d93d21c34766674b93a1dc117facaee7f6107199e7","isrc":"DEN961230714","name":"Wallfisch: Final Kiss","registered_at":"2026-06-07T08:06:06Z","spotify_id":"3NVesRRjWoV2KXLxfEar9a","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 0xaf220a35cbfc8d9a2a12d0d93d21c34766674b93a1dc117facaee7f6107199e7. 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/3NVesRRjWoV2KXLxfEar9a.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/3NVesRRjWoV2KXLxfEar9a.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xaf220a35cbfc8d9a2a12d0d93d21c34766674b93a1dc117facaee7f6107199e7","isrc":"DEN961230714","name":"Wallfisch: Final Kiss","registered_at":"2026-06-07T08:06:06Z","spotify_id":"3NVesRRjWoV2KXLxfEar9a","type":"track"}

Wallfisch: The Storm
type: MusicRecording
duration: PT3M15S
duration ms: 195106
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230715
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T05:52:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65fe6dda676d63a7525c1ce94ca0772cb5da50506824bf77a15834fb7046e1db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2rSaq4tnse6CknZA71MGYH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2rSaq4tnse6CknZA71MGYH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x65fe6dda676d63a7525c1ce94ca0772cb5da50506824bf77a15834fb7046e1db","isrc":"DEN961230715","name":"Wallfisch: The Storm","registered_at":"2026-06-25T05:52:32Z","spotify_id":"2rSaq4tnse6CknZA71MGYH","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 0x65fe6dda676d63a7525c1ce94ca0772cb5da50506824bf77a15834fb7046e1db. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2rSaq4tnse6CknZA71MGYH.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/2rSaq4tnse6CknZA71MGYH.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x65fe6dda676d63a7525c1ce94ca0772cb5da50506824bf77a15834fb7046e1db","isrc":"DEN961230715","name":"Wallfisch: The Storm","registered_at":"2026-06-25T05:52:32Z","spotify_id":"2rSaq4tnse6CknZA71MGYH","type":"track"}

Wallfisch: Aftermath
type: MusicRecording
duration: PT1M56S
duration ms: 116226
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230716

Wallfisch: Gilbert Returns
type: MusicRecording
duration: PT3M48S
duration ms: 228733
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230717
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:38:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea9d330e68ccd69005b3f912704dd3bdb45a5983c9880586dc7ca066494fa9d1
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/27K7hqUt9VS9YAZfFVRgQg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/27K7hqUt9VS9YAZfFVRgQg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xea9d330e68ccd69005b3f912704dd3bdb45a5983c9880586dc7ca066494fa9d1","isrc":"DEN961230717","name":"Wallfisch: Gilbert Returns","registered_at":"2026-06-25T23:38:59Z","spotify_id":"27K7hqUt9VS9YAZfFVRgQg","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 0xea9d330e68ccd69005b3f912704dd3bdb45a5983c9880586dc7ca066494fa9d1. 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/27K7hqUt9VS9YAZfFVRgQg.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/27K7hqUt9VS9YAZfFVRgQg.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xea9d330e68ccd69005b3f912704dd3bdb45a5983c9880586dc7ca066494fa9d1","isrc":"DEN961230717","name":"Wallfisch: Gilbert Returns","registered_at":"2026-06-25T23:38:59Z","spotify_id":"27K7hqUt9VS9YAZfFVRgQg","type":"track"}

Wallfisch: Siren's Lullaby
type: MusicRecording
duration: PT2M50S
duration ms: 170346
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230718
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:05:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88d33d9a23d53d9b4c7b1071a59573bce2142d1b08715685caf565e912ceb6d7
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/7dxt7aGnn9yRbqqoPaPrVK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dxt7aGnn9yRbqqoPaPrVK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x88d33d9a23d53d9b4c7b1071a59573bce2142d1b08715685caf565e912ceb6d7","isrc":"DEN961230718","name":"Wallfisch: Siren's Lullaby","registered_at":"2026-06-10T05:05:15Z","spotify_id":"7dxt7aGnn9yRbqqoPaPrVK","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 0x88d33d9a23d53d9b4c7b1071a59573bce2142d1b08715685caf565e912ceb6d7. 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/7dxt7aGnn9yRbqqoPaPrVK.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/7dxt7aGnn9yRbqqoPaPrVK.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x88d33d9a23d53d9b4c7b1071a59573bce2142d1b08715685caf565e912ceb6d7","isrc":"DEN961230718","name":"Wallfisch: Siren's Lullaby","registered_at":"2026-06-10T05:05:15Z","spotify_id":"7dxt7aGnn9yRbqqoPaPrVK","type":"track"}

Wallfisch: Epilogue: Morning Ride
type: MusicRecording
duration: PT4M2S
duration ms: 242973
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
isrc code: DEN961230719

Fantasia
type: MusicAlbum
date published: 2012-03-01
track: Etudes-tableaux, Op. 39: No. 6 in A Minor. Allegro
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151280
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: Fantasia
    type: MusicAlbum
    date published: 2012-03-01
  isrc code: DEN961101720
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T09:04:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea9c0cdd95aac8d647235e5ba49a875568561f7bc3b0b480ba5b84d4d09088f1
  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/5cYzl6WKZVolI7CaOHHNSn.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cYzl6WKZVolI7CaOHHNSn
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xea9c0cdd95aac8d647235e5ba49a875568561f7bc3b0b480ba5b84d4d09088f1","isrc":"DEN961101720","name":"Etudes-tableaux, Op. 39: No. 6 in A Minor. Allegro","registered_at":"2026-06-19T09:04:20Z","spotify_id":"5cYzl6WKZVolI7CaOHHNSn","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 0xea9c0cdd95aac8d647235e5ba49a875568561f7bc3b0b480ba5b84d4d09088f1. 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/5cYzl6WKZVolI7CaOHHNSn.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/5cYzl6WKZVolI7CaOHHNSn.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xea9c0cdd95aac8d647235e5ba49a875568561f7bc3b0b480ba5b84d4d09088f1","isrc":"DEN961101720","name":"Etudes-tableaux, Op. 39: No. 6 in A Minor. Allegro","registered_at":"2026-06-19T09:04:20Z","spotify_id":"5cYzl6WKZVolI7CaOHHNSn","type":"track"}
track: Etudes-tableaux, Op. 39: No. 4 in B Minor. Allegro assai
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150933
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: Fantasia
    type: MusicAlbum
    date published: 2012-03-01
  isrc code: DEN961101730
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T22:46:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9735f7ddc8c1cb3f0466b25b86e12438f48e67aa4ce1620bf688b15f31af463c
  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/1isnAkKEWA5UdzOBdvxaTu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1isnAkKEWA5UdzOBdvxaTu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9735f7ddc8c1cb3f0466b25b86e12438f48e67aa4ce1620bf688b15f31af463c","isrc":"DEN961101730","name":"Etudes-tableaux, Op. 39: No. 4 in B Minor. Allegro assai","registered_at":"2026-06-20T22:46:05Z","spotify_id":"1isnAkKEWA5UdzOBdvxaTu","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 0x9735f7ddc8c1cb3f0466b25b86e12438f48e67aa4ce1620bf688b15f31af463c. 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/1isnAkKEWA5UdzOBdvxaTu.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/1isnAkKEWA5UdzOBdvxaTu.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x9735f7ddc8c1cb3f0466b25b86e12438f48e67aa4ce1620bf688b15f31af463c","isrc":"DEN961101730","name":"Etudes-tableaux, Op. 39: No. 4 in B Minor. Allegro assai","registered_at":"2026-06-20T22:46:05Z","spotify_id":"1isnAkKEWA5UdzOBdvxaTu","type":"track"}
track: Morceaux de fantaisie, Op. 3: No. 1, Elégie in E-Flat Minor
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284706
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: Fantasia
    type: MusicAlbum
    date published: 2012-03-01
  isrc code: DEN961101740
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:06:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3daf68d12791291a7acc373a30cd133ce804432c19dc10ab8a67a8fab74ae74f
  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/5oa8GZEraR6tJFeKmkZLwh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5oa8GZEraR6tJFeKmkZLwh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3daf68d12791291a7acc373a30cd133ce804432c19dc10ab8a67a8fab74ae74f","isrc":"DEN961101740","name":"Morceaux de fantaisie, Op. 3: No. 1, Elégie in E-Flat Minor","registered_at":"2026-06-18T14:06:14Z","spotify_id":"5oa8GZEraR6tJFeKmkZLwh","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 0x3daf68d12791291a7acc373a30cd133ce804432c19dc10ab8a67a8fab74ae74f. 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/5oa8GZEraR6tJFeKmkZLwh.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/5oa8GZEraR6tJFeKmkZLwh.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x3daf68d12791291a7acc373a30cd133ce804432c19dc10ab8a67a8fab74ae74f","isrc":"DEN961101740","name":"Morceaux de fantaisie, Op. 3: No. 1, Elégie in E-Flat Minor","registered_at":"2026-06-18T14:06:14Z","spotify_id":"5oa8GZEraR6tJFeKmkZLwh","type":"track"}
track: Etudes-tableaux, Op. 39: No. 5 in E-Flat Minor. Appassionato
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276800
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: Fantasia
    type: MusicAlbum
    date published: 2012-03-01
  isrc code: DEN961101750
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T17:59:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x24776dd6a23b196a032505ccd2154836cc7c44b3ec4dfe3d49e200671c008943
  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/2Lznlm7TVrnu0b5P1q84Ph.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Lznlm7TVrnu0b5P1q84Ph
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x24776dd6a23b196a032505ccd2154836cc7c44b3ec4dfe3d49e200671c008943","isrc":"DEN961101750","name":"Etudes-tableaux, Op. 39: No. 5 in E-Flat Minor. Appassionato","registered_at":"2026-06-21T17:59:15Z","spotify_id":"2Lznlm7TVrnu0b5P1q84Ph","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 0x24776dd6a23b196a032505ccd2154836cc7c44b3ec4dfe3d49e200671c008943. 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/2Lznlm7TVrnu0b5P1q84Ph.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/2Lznlm7TVrnu0b5P1q84Ph.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x24776dd6a23b196a032505ccd2154836cc7c44b3ec4dfe3d49e200671c008943","isrc":"DEN961101750","name":"Etudes-tableaux, Op. 39: No. 5 in E-Flat Minor. Appassionato","registered_at":"2026-06-21T17:59:15Z","spotify_id":"2Lznlm7TVrnu0b5P1q84Ph","type":"track"}
track: Keyboard Sonata in G Major, KK. 455
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104253
  explicit: false
  by artist: Domenico Scarlatti
  by artist: Yuja Wang
  in album: Fantasia
  isrc code: DEN961101760
  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: Orfeo ed Euridice, Wq. 30: Dance of the Blessed Spirits "Melody" (Arr. Sgambati for Piano)
track: Iberia, T. 105, Book 2: VI. Triana
track: Variations on a Theme from Bizet's Carmen (The Gypsy Song Act II) - White House Version
track: Gretchen am Spinnrade, S. 558 No. 8 (After Schubert, D. 118)
track: Tritsch-Tratsch Polka, Op. 214 (Arr. Cziffra for Piano)
track: Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
track: L'apprenti sorcier (Arr. Staub for Piano)
track: 24 Preludes, Op. 11: No. 11 in B Major. Allegro assai
track: 6 Preludes, Op. 13: No. 6 in B Minor. Presto
track: 24 Preludes, Op. 11: No. 12 in G-Sharp Minor. Andante
track: 12 Etudes, Op. 8: No. 9 in G-Sharp Minor. Alla ballata
track: 2 Poèmes, Op. 32: No. 1 in F-Sharp Major. Andante cantabile
track: Danse macabre, Op. 40 (Arr. Liszt/Horowitz for Piano)

Domenico Scarlatti
type: MusicGroup

Yuja Wang
type: MusicGroup

Fantasia
type: MusicAlbum
date published: 2012-03-01

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-07T11:39:19+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x59968913f57de6e03af6b22e9287b8ed939ff31518415abfa04fc0f9f7a44d1f

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/5VhfVAfRS0ofWSXpHvchm8.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5VhfVAfRS0ofWSXpHvchm8

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x59968913f57de6e03af6b22e9287b8ed939ff31518415abfa04fc0f9f7a44d1f","isrc":"DEN961101760","name":"Keyboard Sonata in G Major, KK. 455","registered_at":"2026-06-07T11:39:19Z","spotify_id":"5VhfVAfRS0ofWSXpHvchm8","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 0x59968913f57de6e03af6b22e9287b8ed939ff31518415abfa04fc0f9f7a44d1f. 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/5VhfVAfRS0ofWSXpHvchm8.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/5VhfVAfRS0ofWSXpHvchm8.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0x59968913f57de6e03af6b22e9287b8ed939ff31518415abfa04fc0f9f7a44d1f","isrc":"DEN961101760","name":"Keyboard Sonata in G Major, KK. 455","registered_at":"2026-06-07T11:39:19Z","spotify_id":"5VhfVAfRS0ofWSXpHvchm8","type":"track"}

Orfeo ed Euridice, Wq. 30: Dance of the Blessed Spirits "Melody" (Arr. Sgambati for Piano)
type: MusicRecording
duration: PT3M1S
duration ms: 181546
explicit: false
by artist: Christoph Willibald Gluck
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101770
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T16:08:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe4099e4ead99853549c3c35e5df1825eae492db15e863ff770c7a50c84ef49b
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/24cgBBhZD1cWekUqaYuqTB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/24cgBBhZD1cWekUqaYuqTB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfe4099e4ead99853549c3c35e5df1825eae492db15e863ff770c7a50c84ef49b","isrc":"DEN961101770","name":"Orfeo ed Euridice, Wq. 30: Dance of the Blessed Spirits \"Melody\" (Arr. Sgambati for Piano)","registered_at":"2026-06-01T16:08:08Z","spotify_id":"24cgBBhZD1cWekUqaYuqTB","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 0xfe4099e4ead99853549c3c35e5df1825eae492db15e863ff770c7a50c84ef49b. 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/24cgBBhZD1cWekUqaYuqTB.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/24cgBBhZD1cWekUqaYuqTB.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xfe4099e4ead99853549c3c35e5df1825eae492db15e863ff770c7a50c84ef49b","isrc":"DEN961101770","name":"Orfeo ed Euridice, Wq. 30: Dance of the Blessed Spirits \"Melody\" (Arr. Sgambati for Piano)","registered_at":"2026-06-01T16:08:08Z","spotify_id":"24cgBBhZD1cWekUqaYuqTB","type":"track"}

Iberia, T. 105, Book 2: VI. Triana
type: MusicRecording
duration: PT5M25S
duration ms: 325426
explicit: false
by artist: Isaac Albéniz
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:49:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc23c9e9c538da6c29c3db47b8d012bbca734e2029ec7c27408f229845db94fc1
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/5LLESQBDn91EYWGN50FBjZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5LLESQBDn91EYWGN50FBjZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc23c9e9c538da6c29c3db47b8d012bbca734e2029ec7c27408f229845db94fc1","isrc":"DEN961101780","name":"Iberia, T. 105, Book 2: VI. Triana","registered_at":"2026-06-20T22:49:18Z","spotify_id":"5LLESQBDn91EYWGN50FBjZ","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 0xc23c9e9c538da6c29c3db47b8d012bbca734e2029ec7c27408f229845db94fc1. 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/5LLESQBDn91EYWGN50FBjZ.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/5LLESQBDn91EYWGN50FBjZ.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xc23c9e9c538da6c29c3db47b8d012bbca734e2029ec7c27408f229845db94fc1","isrc":"DEN961101780","name":"Iberia, T. 105, Book 2: VI. Triana","registered_at":"2026-06-20T22:49:18Z","spotify_id":"5LLESQBDn91EYWGN50FBjZ","type":"track"}

Variations on a Theme from Bizet's Carmen (The Gypsy Song Act II) - White House Version
type: MusicRecording
duration: PT3M39S
duration ms: 219106
explicit: false
by artist: Vladimir Horowitz
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101790
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:23:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeff8265b841afcb8bd8df8623fa218ddfcedb0b0d07c1cb3ddf9175f2f6e131d
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/2ajiYFWx5sWQRikhy9BAsZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ajiYFWx5sWQRikhy9BAsZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeff8265b841afcb8bd8df8623fa218ddfcedb0b0d07c1cb3ddf9175f2f6e131d","isrc":"DEN961101790","name":"Variations on a Theme from Bizet's Carmen (The Gypsy Song Act II) - White House Version","registered_at":"2026-06-05T16:23:14Z","spotify_id":"2ajiYFWx5sWQRikhy9BAsZ","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 0xeff8265b841afcb8bd8df8623fa218ddfcedb0b0d07c1cb3ddf9175f2f6e131d. 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/2ajiYFWx5sWQRikhy9BAsZ.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/2ajiYFWx5sWQRikhy9BAsZ.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xeff8265b841afcb8bd8df8623fa218ddfcedb0b0d07c1cb3ddf9175f2f6e131d","isrc":"DEN961101790","name":"Variations on a Theme from Bizet's Carmen (The Gypsy Song Act II) - White House Version","registered_at":"2026-06-05T16:23:14Z","spotify_id":"2ajiYFWx5sWQRikhy9BAsZ","type":"track"}

Gretchen am Spinnrade, S. 558 No. 8 (After Schubert, D. 118)
type: MusicRecording
duration: PT3M35S
duration ms: 215893
explicit: false
by artist: Franz Schubert
by artist: Yuja Wang
by artist: Franz Liszt
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T03:39:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d9a5cc90484aaead9933583903b1602a73e018a9c0f0e81f3ae0a61c0e28ff4
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/24EuwkKE0VSpaLsqYTkDBN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/24EuwkKE0VSpaLsqYTkDBN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T20:28:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7d9a5cc90484aaead9933583903b1602a73e018a9c0f0e81f3ae0a61c0e28ff4","isrc":"DEN961101800","name":"Gretchen am Spinnrade, S. 558 No. 8 (After Schubert, D. 118)","registered_at":"2026-06-17T03:39:21Z","spotify_id":"24EuwkKE0VSpaLsqYTkDBN","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 0x7d9a5cc90484aaead9933583903b1602a73e018a9c0f0e81f3ae0a61c0e28ff4. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:28:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/24EuwkKE0VSpaLsqYTkDBN.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/24EuwkKE0VSpaLsqYTkDBN.
  date published: 2026-06-17T20:28:27Z
  text: {"copyright_id":"0x7d9a5cc90484aaead9933583903b1602a73e018a9c0f0e81f3ae0a61c0e28ff4","isrc":"DEN961101800","name":"Gretchen am Spinnrade, S. 558 No. 8 (After Schubert, D. 118)","registered_at":"2026-06-17T03:39:21Z","spotify_id":"24EuwkKE0VSpaLsqYTkDBN","type":"track"}

Tritsch-Tratsch Polka, Op. 214 (Arr. Cziffra for Piano)
type: MusicRecording
duration: PT3M20S
duration ms: 200053
explicit: false
by artist: Johann Strauss II
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T15:54:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0fdfb64c0592a4b626f3e220353efa79be334972edbeb95b7ca4d7d0602bc27c
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/1GZqEyQCUiWhosBOIrPIm5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1GZqEyQCUiWhosBOIrPIm5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0fdfb64c0592a4b626f3e220353efa79be334972edbeb95b7ca4d7d0602bc27c","isrc":"DEN961101810","name":"Tritsch-Tratsch Polka, Op. 214 (Arr. Cziffra for Piano)","registered_at":"2026-06-10T15:54:25Z","spotify_id":"1GZqEyQCUiWhosBOIrPIm5","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 0x0fdfb64c0592a4b626f3e220353efa79be334972edbeb95b7ca4d7d0602bc27c. 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/1GZqEyQCUiWhosBOIrPIm5.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/1GZqEyQCUiWhosBOIrPIm5.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x0fdfb64c0592a4b626f3e220353efa79be334972edbeb95b7ca4d7d0602bc27c","isrc":"DEN961101810","name":"Tritsch-Tratsch Polka, Op. 214 (Arr. Cziffra for Piano)","registered_at":"2026-06-10T15:54:25Z","spotify_id":"1GZqEyQCUiWhosBOIrPIm5","type":"track"}

Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
type: MusicRecording
duration: PT3M49S
duration ms: 229226
explicit: false
by artist: Frédéric Chopin
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:40:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x111c86fa2364ba4ea526309a5372075c202dc68448f1514ccf957113ecd8eff2
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/2XPy48dKUluGahjUHh0tvH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XPy48dKUluGahjUHh0tvH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x111c86fa2364ba4ea526309a5372075c202dc68448f1514ccf957113ecd8eff2","isrc":"DEN961101820","name":"Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2","registered_at":"2026-06-06T09:40:16Z","spotify_id":"2XPy48dKUluGahjUHh0tvH","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 0x111c86fa2364ba4ea526309a5372075c202dc68448f1514ccf957113ecd8eff2. 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/2XPy48dKUluGahjUHh0tvH.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/2XPy48dKUluGahjUHh0tvH.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x111c86fa2364ba4ea526309a5372075c202dc68448f1514ccf957113ecd8eff2","isrc":"DEN961101820","name":"Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2","registered_at":"2026-06-06T09:40:16Z","spotify_id":"2XPy48dKUluGahjUHh0tvH","type":"track"}

L'apprenti sorcier (Arr. Staub for Piano)
type: MusicRecording
duration: PT9M49S
duration ms: 589293
explicit: false
by artist: Paul Dukas
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101830
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T03:37:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d87783cc8dadabf2470662d4625b22b850dfb5bb00006fae93ae4939c9445eb
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/0Ub4LIyxJof71NYCKNLZcl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Ub4LIyxJof71NYCKNLZcl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5d87783cc8dadabf2470662d4625b22b850dfb5bb00006fae93ae4939c9445eb","isrc":"DEN961101830","name":"L'apprenti sorcier (Arr. Staub for Piano)","registered_at":"2026-06-20T03:37:38Z","spotify_id":"0Ub4LIyxJof71NYCKNLZcl","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 0x5d87783cc8dadabf2470662d4625b22b850dfb5bb00006fae93ae4939c9445eb. 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/0Ub4LIyxJof71NYCKNLZcl.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/0Ub4LIyxJof71NYCKNLZcl.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x5d87783cc8dadabf2470662d4625b22b850dfb5bb00006fae93ae4939c9445eb","isrc":"DEN961101830","name":"L'apprenti sorcier (Arr. Staub for Piano)","registered_at":"2026-06-20T03:37:38Z","spotify_id":"0Ub4LIyxJof71NYCKNLZcl","type":"track"}

24 Preludes, Op. 11: No. 11 in B Major. Allegro assai
type: MusicRecording
duration: PT1M31S
duration ms: 91400
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101840
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T20:58:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a83a8b20c2fe93cc0b09494215a3e4bd218f51f7194b0310082380a18d2b666
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/2PN01lC9kWc1v4kZVUULjY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2PN01lC9kWc1v4kZVUULjY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9a83a8b20c2fe93cc0b09494215a3e4bd218f51f7194b0310082380a18d2b666","isrc":"DEN961101840","name":"24 Preludes, Op. 11: No. 11 in B Major. Allegro assai","registered_at":"2026-06-05T20:58:21Z","spotify_id":"2PN01lC9kWc1v4kZVUULjY","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 0x9a83a8b20c2fe93cc0b09494215a3e4bd218f51f7194b0310082380a18d2b666. 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/2PN01lC9kWc1v4kZVUULjY.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/2PN01lC9kWc1v4kZVUULjY.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x9a83a8b20c2fe93cc0b09494215a3e4bd218f51f7194b0310082380a18d2b666","isrc":"DEN961101840","name":"24 Preludes, Op. 11: No. 11 in B Major. Allegro assai","registered_at":"2026-06-05T20:58:21Z","spotify_id":"2PN01lC9kWc1v4kZVUULjY","type":"track"}

6 Preludes, Op. 13: No. 6 in B Minor. Presto
type: MusicRecording
duration: PT1M17S
duration ms: 77946
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101850
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:49:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x354791b8d141f794b8d279897ae8152d2428005c94bb84617b6767596e936ae6
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/1exaB6VJyuftpwhdMQB5TN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1exaB6VJyuftpwhdMQB5TN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x354791b8d141f794b8d279897ae8152d2428005c94bb84617b6767596e936ae6","isrc":"DEN961101850","name":"6 Preludes, Op. 13: No. 6 in B Minor. Presto","registered_at":"2026-06-24T09:49:39Z","spotify_id":"1exaB6VJyuftpwhdMQB5TN","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 0x354791b8d141f794b8d279897ae8152d2428005c94bb84617b6767596e936ae6. 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/1exaB6VJyuftpwhdMQB5TN.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/1exaB6VJyuftpwhdMQB5TN.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x354791b8d141f794b8d279897ae8152d2428005c94bb84617b6767596e936ae6","isrc":"DEN961101850","name":"6 Preludes, Op. 13: No. 6 in B Minor. Presto","registered_at":"2026-06-24T09:49:39Z","spotify_id":"1exaB6VJyuftpwhdMQB5TN","type":"track"}

24 Preludes, Op. 11: No. 12 in G-Sharp Minor. Andante
type: MusicRecording
duration: PT1M30S
duration ms: 90493
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101860
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:04:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff65d23ec15a4a70cde0bf400fc267d017508329b88f05e6f6549117fe0a24e1
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/22ghloIUDNKT0OqPSwPxUg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/22ghloIUDNKT0OqPSwPxUg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xff65d23ec15a4a70cde0bf400fc267d017508329b88f05e6f6549117fe0a24e1","isrc":"DEN961101860","name":"24 Preludes, Op. 11: No. 12 in G-Sharp Minor. Andante","registered_at":"2026-06-17T22:04:32Z","spotify_id":"22ghloIUDNKT0OqPSwPxUg","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 0xff65d23ec15a4a70cde0bf400fc267d017508329b88f05e6f6549117fe0a24e1. 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/22ghloIUDNKT0OqPSwPxUg.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/22ghloIUDNKT0OqPSwPxUg.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xff65d23ec15a4a70cde0bf400fc267d017508329b88f05e6f6549117fe0a24e1","isrc":"DEN961101860","name":"24 Preludes, Op. 11: No. 12 in G-Sharp Minor. Andante","registered_at":"2026-06-17T22:04:32Z","spotify_id":"22ghloIUDNKT0OqPSwPxUg","type":"track"}

12 Etudes, Op. 8: No. 9 in G-Sharp Minor. Alla ballata
type: MusicRecording
duration: PT4M30S
duration ms: 270893
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T00:49:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda6cf3a212cc9e65ad0f0249e1792c6e440433be4f187896a5d8211479e3aede
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/5h3QhRxdaBNlM96yayHaWt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5h3QhRxdaBNlM96yayHaWt
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xda6cf3a212cc9e65ad0f0249e1792c6e440433be4f187896a5d8211479e3aede","isrc":"DEN961101870","name":"12 Etudes, Op. 8: No. 9 in G-Sharp Minor. Alla ballata","registered_at":"2026-06-23T00:49:33Z","spotify_id":"5h3QhRxdaBNlM96yayHaWt","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 0xda6cf3a212cc9e65ad0f0249e1792c6e440433be4f187896a5d8211479e3aede. 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/5h3QhRxdaBNlM96yayHaWt.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/5h3QhRxdaBNlM96yayHaWt.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xda6cf3a212cc9e65ad0f0249e1792c6e440433be4f187896a5d8211479e3aede","isrc":"DEN961101870","name":"12 Etudes, Op. 8: No. 9 in G-Sharp Minor. Alla ballata","registered_at":"2026-06-23T00:49:33Z","spotify_id":"5h3QhRxdaBNlM96yayHaWt","type":"track"}

2 Poèmes, Op. 32: No. 1 in F-Sharp Major. Andante cantabile
type: MusicRecording
duration: PT3M22S
duration ms: 202786
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101880
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:17:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb8b5ee92897498073292557ff376e903bea5cdcea5fdce6cbe0abc303dbb33d
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/1lEAPcKRJqL0RZybnYY8NO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1lEAPcKRJqL0RZybnYY8NO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdb8b5ee92897498073292557ff376e903bea5cdcea5fdce6cbe0abc303dbb33d","isrc":"DEN961101880","name":"2 Poèmes, Op. 32: No. 1 in F-Sharp Major. Andante cantabile","registered_at":"2026-06-10T02:17:47Z","spotify_id":"1lEAPcKRJqL0RZybnYY8NO","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 0xdb8b5ee92897498073292557ff376e903bea5cdcea5fdce6cbe0abc303dbb33d. 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/1lEAPcKRJqL0RZybnYY8NO.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/1lEAPcKRJqL0RZybnYY8NO.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xdb8b5ee92897498073292557ff376e903bea5cdcea5fdce6cbe0abc303dbb33d","isrc":"DEN961101880","name":"2 Poèmes, Op. 32: No. 1 in F-Sharp Major. Andante cantabile","registered_at":"2026-06-10T02:17:47Z","spotify_id":"1lEAPcKRJqL0RZybnYY8NO","type":"track"}

Danse macabre, Op. 40 (Arr. Liszt/Horowitz for Piano)
type: MusicRecording
duration: PT7M51S
duration ms: 471853
explicit: false
by artist: Camille Saint-Saëns
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
isrc code: DEN961101890
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:07:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41f75a4dab9a4086fa3626c88abec4c1d5e2c11539a10c9d55b56eee0d8b0400
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/60vHeJJCmmEiuBa1fKemJx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/60vHeJJCmmEiuBa1fKemJx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x41f75a4dab9a4086fa3626c88abec4c1d5e2c11539a10c9d55b56eee0d8b0400","isrc":"DEN961101890","name":"Danse macabre, Op. 40 (Arr. Liszt/Horowitz for Piano)","registered_at":"2026-06-19T09:07:33Z","spotify_id":"60vHeJJCmmEiuBa1fKemJx","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 0x41f75a4dab9a4086fa3626c88abec4c1d5e2c11539a10c9d55b56eee0d8b0400. 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/60vHeJJCmmEiuBa1fKemJx.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/60vHeJJCmmEiuBa1fKemJx.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x41f75a4dab9a4086fa3626c88abec4c1d5e2c11539a10c9d55b56eee0d8b0400","isrc":"DEN961101890","name":"Danse macabre, Op. 40 (Arr. Liszt/Horowitz for Piano)","registered_at":"2026-06-19T09:07:33Z","spotify_id":"60vHeJJCmmEiuBa1fKemJx","type":"track"}

Rachmaninov
type: MusicAlbum
date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Introduction
  type: MusicRecording
  duration: PT0M9S
  duration ms: 9640
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 1
  type: MusicRecording
  duration: PT0M20S
  duration ms: 20720
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Theme
  type: MusicRecording
  duration: PT0M20S
  duration ms: 20160
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 2
  type: MusicRecording
  duration: PT0M19S
  duration ms: 19906
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 3
  type: MusicRecording
  duration: PT0M26S
  duration ms: 26453
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 4
  type: MusicRecording
  duration: PT0M28S
  duration ms: 28920
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 5
  type: MusicRecording
  duration: PT0M28S
  duration ms: 28680
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 6
  type: MusicRecording
  duration: PT1M3S
  duration ms: 63040
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: DEN961031008
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 7
  type: MusicRecording
  duration: PT1M3S
  duration ms: 63720
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: DEN961031009
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 8
  type: MusicRecording
  duration: PT0M34S
  duration ms: 34800
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: DEN961031010
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 9
  type: MusicRecording
  duration: PT0M32S
  duration ms: 32680
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: DEN961031011
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 10
  type: MusicRecording
  duration: PT0M54S
  duration ms: 54280
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: DEN961031012
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 11
  type: MusicRecording
  duration: PT1M16S
  duration ms: 76186
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: DEN961031013
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 12
  type: MusicRecording
  duration: PT1M18S
  duration ms: 78253
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: DEN961031014
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 13
  type: MusicRecording
  duration: PT0M29S
  duration ms: 29880
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 14
  type: MusicRecording
  duration: PT0M45S
  duration ms: 45240
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Mahler Chamber Orchestra
  by artist: Claudio Abbado
  in album: Rachmaninov
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: DEN961031016
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 15
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 16
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 17
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 18 "The 18th Variation"
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 19
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 20
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 21
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 22
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 23
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 24
track: Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
track: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
track: Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
track: Polka de V. R.: Polka de V.R.

Rhapsody on a Theme of Paganini, Op. 43: Var. 15
type: MusicRecording
duration: PT1M9S
duration ms: 69360
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961031017

Rhapsody on a Theme of Paganini, Op. 43: Var. 16
type: MusicRecording
duration: PT1M34S
duration ms: 94720
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961031018

Rhapsody on a Theme of Paganini, Op. 43: Var. 17
type: MusicRecording
duration: PT1M35S
duration ms: 95546
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961031019

Rhapsody on a Theme of Paganini, Op. 43: Var. 18 "The 18th Variation"
type: MusicRecording
duration: PT2M45S
duration ms: 165213
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961031020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T19:15:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9aca0e711071d4c243120e1f185da2835d7bd369e2f2bdd2e0fa9e93469e77ef
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/5v3FvfMdnxWZJhLTousj6U.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5v3FvfMdnxWZJhLTousj6U
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9aca0e711071d4c243120e1f185da2835d7bd369e2f2bdd2e0fa9e93469e77ef","isrc":"DEN961031020","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 18 \"The 18th Variation\"","registered_at":"2026-06-20T19:15:39Z","spotify_id":"5v3FvfMdnxWZJhLTousj6U","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 0x9aca0e711071d4c243120e1f185da2835d7bd369e2f2bdd2e0fa9e93469e77ef. 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/5v3FvfMdnxWZJhLTousj6U.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/5v3FvfMdnxWZJhLTousj6U.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x9aca0e711071d4c243120e1f185da2835d7bd369e2f2bdd2e0fa9e93469e77ef","isrc":"DEN961031020","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 18 \"The 18th Variation\"","registered_at":"2026-06-20T19:15:39Z","spotify_id":"5v3FvfMdnxWZJhLTousj6U","type":"track"}

Rhapsody on a Theme of Paganini, Op. 43: Var. 19
type: MusicRecording
duration: PT0M28S
duration ms: 28080
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01

Rhapsody on a Theme of Paganini, Op. 43: Var. 20
type: MusicRecording
duration: PT0M36S
duration ms: 36666
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961031022

Rhapsody on a Theme of Paganini, Op. 43: Var. 21
type: MusicRecording
duration: PT0M26S
duration ms: 26040
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01

Rhapsody on a Theme of Paganini, Op. 43: Var. 22
type: MusicRecording
duration: PT1M47S
duration ms: 107520
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961031024

Rhapsody on a Theme of Paganini, Op. 43: Var. 23
type: MusicRecording
duration: PT0M52S
duration ms: 52813
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961031025

Rhapsody on a Theme of Paganini, Op. 43: Var. 24
type: MusicRecording
duration: PT1M12S
duration ms: 72880
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961031026

Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
type: MusicRecording
duration: PT10M26S
duration ms: 626253
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961002501
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:02:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6e21642c5191ce8ab8a684f615bb2c51e50d790ab038462a5321f6bcf7d5cf2
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/1D2601AjW4jy7ZVH9Jj7e0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1D2601AjW4jy7ZVH9Jj7e0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd6e21642c5191ce8ab8a684f615bb2c51e50d790ab038462a5321f6bcf7d5cf2","isrc":"DEN961002501","name":"Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato","registered_at":"2026-06-10T03:02:22Z","spotify_id":"1D2601AjW4jy7ZVH9Jj7e0","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 0xd6e21642c5191ce8ab8a684f615bb2c51e50d790ab038462a5321f6bcf7d5cf2. 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/1D2601AjW4jy7ZVH9Jj7e0.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/1D2601AjW4jy7ZVH9Jj7e0.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xd6e21642c5191ce8ab8a684f615bb2c51e50d790ab038462a5321f6bcf7d5cf2","isrc":"DEN961002501","name":"Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato","registered_at":"2026-06-10T03:02:22Z","spotify_id":"1D2601AjW4jy7ZVH9Jj7e0","type":"track"}

Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
type: MusicRecording
duration: PT11M15S
duration ms: 675520
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961002502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:11:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7043e45d912c399f59a0216bf05b7f77f4e8eef80249170644d7d2eb9cc5ecbb
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/4LMkwHN8GWZo0D6XeEXVSN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4LMkwHN8GWZo0D6XeEXVSN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7043e45d912c399f59a0216bf05b7f77f4e8eef80249170644d7d2eb9cc5ecbb","isrc":"DEN961002502","name":"Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto","registered_at":"2026-06-05T12:11:12Z","spotify_id":"4LMkwHN8GWZo0D6XeEXVSN","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 0x7043e45d912c399f59a0216bf05b7f77f4e8eef80249170644d7d2eb9cc5ecbb. 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/4LMkwHN8GWZo0D6XeEXVSN.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/4LMkwHN8GWZo0D6XeEXVSN.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x7043e45d912c399f59a0216bf05b7f77f4e8eef80249170644d7d2eb9cc5ecbb","isrc":"DEN961002502","name":"Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto","registered_at":"2026-06-05T12:11:12Z","spotify_id":"4LMkwHN8GWZo0D6XeEXVSN","type":"track"}

Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
type: MusicRecording
duration: PT11M26S
duration ms: 686293
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961002503
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:41:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28c017f1d40d3071ea09267f1a90c4f2302459a402114c54422e2f4713f10aae
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/3c0bmIQwNrVvvNWW9m8aqe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3c0bmIQwNrVvvNWW9m8aqe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x28c017f1d40d3071ea09267f1a90c4f2302459a402114c54422e2f4713f10aae","isrc":"DEN961002503","name":"Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando","registered_at":"2026-06-20T04:41:33Z","spotify_id":"3c0bmIQwNrVvvNWW9m8aqe","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 0x28c017f1d40d3071ea09267f1a90c4f2302459a402114c54422e2f4713f10aae. 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/3c0bmIQwNrVvvNWW9m8aqe.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/3c0bmIQwNrVvvNWW9m8aqe.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x28c017f1d40d3071ea09267f1a90c4f2302459a402114c54422e2f4713f10aae","isrc":"DEN961002503","name":"Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando","registered_at":"2026-06-20T04:41:33Z","spotify_id":"3c0bmIQwNrVvvNWW9m8aqe","type":"track"}

Polka de V. R.: Polka de V.R.
type: MusicRecording
duration: PT3M35S
duration ms: 215306
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuja Wang
in album: Rachmaninov
  type: MusicAlbum
  date published: 2011-01-01
isrc code: DEN961002510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T21:22:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf91bb318076daf6ad2498ceb8981152871434e173a9b6fbe5fcb916629ca4c44
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/6jEZbRYAm6VrSwnooUBJLj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6jEZbRYAm6VrSwnooUBJLj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf91bb318076daf6ad2498ceb8981152871434e173a9b6fbe5fcb916629ca4c44","isrc":"DEN961002510","name":"Polka de V. R.: Polka de V.R.","registered_at":"2026-06-26T21:22:04Z","spotify_id":"6jEZbRYAm6VrSwnooUBJLj","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 0xf91bb318076daf6ad2498ceb8981152871434e173a9b6fbe5fcb916629ca4c44. 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/6jEZbRYAm6VrSwnooUBJLj.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/6jEZbRYAm6VrSwnooUBJLj.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xf91bb318076daf6ad2498ceb8981152871434e173a9b6fbe5fcb916629ca4c44","isrc":"DEN961002510","name":"Polka de V. R.: Polka de V.R.","registered_at":"2026-06-26T21:22:04Z","spotify_id":"6jEZbRYAm6VrSwnooUBJLj","type":"track"}

transformation
type: MusicAlbum
date published: 2010-01-01
track: Petrouchka - Three Movements for Piano (1921) / Scene 1: IV. Russian Dance
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149693
  explicit: false
  by artist: Igor Stravinsky
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: DEN961000101
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T03:01:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd19b68d3cbad3de94fb02b61c908f3c4a59555c5762d81f5952f90805f986135
  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/6bstS4ulV2UXYuqN4vJaaI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6bstS4ulV2UXYuqN4vJaaI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd19b68d3cbad3de94fb02b61c908f3c4a59555c5762d81f5952f90805f986135","isrc":"DEN961000101","name":"Petrouchka - Three Movements for Piano (1921) / Scene 1: IV. Russian Dance","registered_at":"2026-06-18T03:01:20Z","spotify_id":"6bstS4ulV2UXYuqN4vJaaI","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 0xd19b68d3cbad3de94fb02b61c908f3c4a59555c5762d81f5952f90805f986135. 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/6bstS4ulV2UXYuqN4vJaaI.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/6bstS4ulV2UXYuqN4vJaaI.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xd19b68d3cbad3de94fb02b61c908f3c4a59555c5762d81f5952f90805f986135","isrc":"DEN961000101","name":"Petrouchka - Three Movements for Piano (1921) / Scene 1: IV. Russian Dance","registered_at":"2026-06-18T03:01:20Z","spotify_id":"6bstS4ulV2UXYuqN4vJaaI","type":"track"}
track: Petrouchka - Three Movements for Piano (1921) / Scene 2: Petrouchka's Room
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256213
  explicit: false
  by artist: Igor Stravinsky
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: DEN961000102
track: Petrouchka - Three Movements for Piano (1921) / Scene 4: The Shrovetide Fair
  type: MusicRecording
  duration: PT8M46S
  duration ms: 526173
  explicit: false
  by artist: Igor Stravinsky
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: DEN961000103
track: Sonata in E Major, K. 380: Andante commodo
  type: MusicRecording
  duration: PT5M28S
  duration ms: 328080
  explicit: false
  by artist: Domenico Scarlatti
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: DEN961000110
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Thema. Non troppo presto
  type: MusicRecording
  duration: PT0M26S
  duration ms: 26986
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation I
  type: MusicRecording
  duration: PT0M23S
  duration ms: 23840
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation II
  type: MusicRecording
  duration: PT0M25S
  duration ms: 25173
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation III
  type: MusicRecording
  duration: PT0M26S
  duration ms: 26453
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation IV
  type: MusicRecording
  duration: PT0M59S
  duration ms: 59746
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: DEN961030105
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation V
  type: MusicRecording
  duration: PT0M45S
  duration ms: 45586
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: DEN961030106
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation VI
  type: MusicRecording
  duration: PT0M27S
  duration ms: 27053
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation VII
  type: MusicRecording
  duration: PT0M27S
  duration ms: 27786
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation VIII
  type: MusicRecording
  duration: PT0M28S
  duration ms: 28533
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation IX
  type: MusicRecording
  duration: PT0M59S
  duration ms: 59720
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: DEN961030110
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation X
  type: MusicRecording
  duration: PT1M23S
  duration ms: 83213
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: DEN961030111
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation XI: Andante
  type: MusicRecording
  duration: PT1M17S
  duration ms: 77440
  explicit: false
  by artist: Johannes Brahms
  by artist: Yuja Wang
  in album: transformation
  isrc code: DEN961030112
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation XII
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation I
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation II: Poco animato
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation V
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation VI: Poco più vivace
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation VII
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation VIII: Allegro
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation X: Feroce, energico
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation XI: Vivace
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation XII: Un poco Andante
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation XIII: Un poco più Andante
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation III
track: Variations on a Theme by Paganini, Op. 35 / Book 2: Variation IV: Poco Allegretto
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation XIII: Vivace e scherzando
track: Variations on a Theme by Paganini, Op. 35 / Book 1: Variation XIV: Allegro - Presto, ma non troppo
track: Sonata in F Minor (Andante moderato), K. 466
track: La valse, M. 72
track: Sonatas for Harpsichord: Sonata in G Major, K. 455: Allegro

Johannes Brahms
type: MusicGroup

Yuja Wang
type: MusicGroup

transformation
type: MusicAlbum
date published: 2010-01-01

Variations on a Theme by Paganini, Op. 35 / Book 1: Variation XII
type: MusicRecording
duration: PT1M11S
duration ms: 71840
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030113

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation I
type: MusicRecording
duration: PT0M43S
duration ms: 43426
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030114

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation II: Poco animato
type: MusicRecording
duration: PT0M36S
duration ms: 36386
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030115

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation V
type: MusicRecording
duration: PT0M23S
duration ms: 23680
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation VI: Poco più vivace
type: MusicRecording
duration: PT0M21S
duration ms: 21293
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation VII
type: MusicRecording
duration: PT0M19S
duration ms: 19320
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation VIII: Allegro
type: MusicRecording
duration: PT0M29S
duration ms: 29213
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation X: Feroce, energico
type: MusicRecording
duration: PT0M41S
duration ms: 41106
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030120

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation XI: Vivace
type: MusicRecording
duration: PT0M25S
duration ms: 25373
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation XII: Un poco Andante
type: MusicRecording
duration: PT1M9S
duration ms: 69746
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030122
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:36:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x024382e5fb9d7fd9fe519fadbfd68054a8f530fae10040384dfaab1f788b6979
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1JcBkwxB3heczFoBAgCmoO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1JcBkwxB3heczFoBAgCmoO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x024382e5fb9d7fd9fe519fadbfd68054a8f530fae10040384dfaab1f788b6979","isrc":"DEN961030122","name":"Variations on a Theme by Paganini, Op. 35 / Book 2: Variation XII: Un poco Andante","registered_at":"2026-06-25T18:36:35Z","spotify_id":"1JcBkwxB3heczFoBAgCmoO","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 0x024382e5fb9d7fd9fe519fadbfd68054a8f530fae10040384dfaab1f788b6979. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1JcBkwxB3heczFoBAgCmoO.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/1JcBkwxB3heczFoBAgCmoO.
  date published: 2026-07-08T08:56:20Z
  text: {"copyright_id":"0x024382e5fb9d7fd9fe519fadbfd68054a8f530fae10040384dfaab1f788b6979","isrc":"DEN961030122","name":"Variations on a Theme by Paganini, Op. 35 / Book 2: Variation XII: Un poco Andante","registered_at":"2026-06-25T18:36:35Z","spotify_id":"1JcBkwxB3heczFoBAgCmoO","type":"track"}

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation XIII: Un poco più Andante
type: MusicRecording
duration: PT0M56S
duration ms: 56013
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030123

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation III
type: MusicRecording
duration: PT0M29S
duration ms: 29600
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01

Variations on a Theme by Paganini, Op. 35 / Book 2: Variation IV: Poco Allegretto
type: MusicRecording
duration: PT0M53S
duration ms: 53520
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030125

Variations on a Theme by Paganini, Op. 35 / Book 1: Variation XIII: Vivace e scherzando
type: MusicRecording
duration: PT0M32S
duration ms: 32186
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030126

Variations on a Theme by Paganini, Op. 35 / Book 1: Variation XIV: Allegro - Presto, ma non troppo
type: MusicRecording
duration: PT2M6S
duration ms: 126813
explicit: false
by artist: Johannes Brahms
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961030127

Sonata in F Minor (Andante moderato), K. 466
type: MusicRecording
duration: PT5M44S
duration ms: 344613
explicit: false
by artist: Domenico Scarlatti
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961000120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:09:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fb25dd43fc6460538a79d0556a3526e4ba898572899f5ea50c8a56795da02f9
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/5zbarg45gKKrZRR4KfqMCh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5zbarg45gKKrZRR4KfqMCh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2fb25dd43fc6460538a79d0556a3526e4ba898572899f5ea50c8a56795da02f9","isrc":"DEN961000120","name":"Sonata in F Minor (Andante moderato), K. 466","registered_at":"2026-06-22T04:09:53Z","spotify_id":"5zbarg45gKKrZRR4KfqMCh","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 0x2fb25dd43fc6460538a79d0556a3526e4ba898572899f5ea50c8a56795da02f9. 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/5zbarg45gKKrZRR4KfqMCh.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/5zbarg45gKKrZRR4KfqMCh.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x2fb25dd43fc6460538a79d0556a3526e4ba898572899f5ea50c8a56795da02f9","isrc":"DEN961000120","name":"Sonata in F Minor (Andante moderato), K. 466","registered_at":"2026-06-22T04:09:53Z","spotify_id":"5zbarg45gKKrZRR4KfqMCh","type":"track"}

La valse, M. 72
type: MusicRecording
duration: PT11M49S
duration ms: 709280
explicit: false
by artist: Maurice Ravel
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961000130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:37:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b1315c54896c745f79f2847e1e668a82abee8ec69cd978da9f81494991258e0
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/5dTafapmA3d9fPtH4raJgj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5dTafapmA3d9fPtH4raJgj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b1315c54896c745f79f2847e1e668a82abee8ec69cd978da9f81494991258e0","isrc":"DEN961000130","name":"La valse, M. 72","registered_at":"2026-06-25T23:37:44Z","spotify_id":"5dTafapmA3d9fPtH4raJgj","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 0x9b1315c54896c745f79f2847e1e668a82abee8ec69cd978da9f81494991258e0. 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/5dTafapmA3d9fPtH4raJgj.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/5dTafapmA3d9fPtH4raJgj.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x9b1315c54896c745f79f2847e1e668a82abee8ec69cd978da9f81494991258e0","isrc":"DEN961000130","name":"La valse, M. 72","registered_at":"2026-06-25T23:37:44Z","spotify_id":"5dTafapmA3d9fPtH4raJgj","type":"track"}

Sonatas for Harpsichord: Sonata in G Major, K. 455: Allegro
type: MusicRecording
duration: PT2M21S
duration ms: 141200
explicit: false
by artist: Domenico Scarlatti
by artist: Yuja Wang
in album: transformation
  type: MusicAlbum
  date published: 2010-01-01
isrc code: DEN961000140

Sonatas & Etudes
type: MusicAlbum
date published: 2009-01-01
track: Piano Sonata No. 2 in B Flat Minor, Op. 35: I. Grave - Doppio movimento
  type: MusicRecording
  duration: PT7M50S
  duration ms: 470106
  explicit: false
  by artist: Frédéric Chopin
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802361
track: Piano Sonata No. 2 in B Flat Minor, Op. 35: II. Scherzo - Più lento - Tempo I
  type: MusicRecording
  duration: PT6M48S
  duration ms: 408920
  explicit: false
  by artist: Frédéric Chopin
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802362
track: Piano Sonata No. 2 in B Flat Minor, Op. 35: III. Marche funèbre (Lento)
  type: MusicRecording
  duration: PT8M25S
  duration ms: 505093
  explicit: false
  by artist: Frédéric Chopin
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802363
track: Piano Sonata No. 2 in B Flat Minor, Op. 35: IV. Finale (Presto)
  type: MusicRecording
  duration: PT1M28S
  duration ms: 88000
  explicit: false
  by artist: Frédéric Chopin
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802364
track: 6 etudes pour piano, premier livre: Etude n 4-Fanfares
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220480
  explicit: false
  by artist: György Ligeti
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802370
track: Piano Sonata No. 2, in G Sharp Minor Op. 19 "Sonata Fantasy": I. Andante
  type: MusicRecording
  duration: PT8M18S
  duration ms: 498213
  explicit: false
  by artist: Alexander Scriabin
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802381
track: Piano Sonata No. 2, in G Sharp Minor Op. 19 "Sonata Fantasy": II. Presto
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241786
  explicit: false
  by artist: Alexander Scriabin
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802382
track: Etude No. 10 "Der Zauberlehring"
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134813
  explicit: false
  by artist: György Ligeti
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802390
track: Piano Sonata in B Minor, S. 178 - Ed. by Alfred Cortot: Lento assai - Allegro energico - Grandioso - Recitativo
  type: MusicRecording
  duration: PT12M23S
  duration ms: 743640
  explicit: false
  by artist: Franz Liszt
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802401
track: Piano Sonata in B Minor, S. 178 - Ed. by Alfred Cortot: Andante sostenuto
  type: MusicRecording
  duration: PT7M44S
  duration ms: 464506
  explicit: false
  by artist: Franz Liszt
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802402
track: Piano Sonata in B Minor, S. 178 - Ed. by Alfred Cortot: Allegro energico - Andante sostenuto - Lento assai
  type: MusicRecording
  duration: PT11M4S
  duration ms: 664373
  explicit: false
  by artist: Franz Liszt
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802403
track: 3. Alla Turca (Allegretto)
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171320
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Arcadi Volodos
  by artist: Yuja Wang
  in album: Sonatas & Etudes
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: DEN960802420
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T00:09:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01a7dba4f11cbdaf994ccc93ef58ae9cf449de26aab4557cc673f362260a70c2
  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/0dZqyU1I10tgK9iqVzajqS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0dZqyU1I10tgK9iqVzajqS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x01a7dba4f11cbdaf994ccc93ef58ae9cf449de26aab4557cc673f362260a70c2","isrc":"DEN960802420","name":"3. Alla Turca (Allegretto)","registered_at":"2026-06-21T00:09:25Z","spotify_id":"0dZqyU1I10tgK9iqVzajqS","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 0x01a7dba4f11cbdaf994ccc93ef58ae9cf449de26aab4557cc673f362260a70c2. 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/0dZqyU1I10tgK9iqVzajqS.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/0dZqyU1I10tgK9iqVzajqS.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x01a7dba4f11cbdaf994ccc93ef58ae9cf449de26aab4557cc673f362260a70c2","isrc":"DEN960802420","name":"3. Alla Turca (Allegretto)","registered_at":"2026-06-21T00:09:25Z","spotify_id":"0dZqyU1I10tgK9iqVzajqS","type":"track"}

Kapustin: 24 Jazz Preludes, Op. 53: No. 10
type: MusicAlbum
date published: 2024-04-19
track: 24 Jazz Preludes, Op. 53: No. 10
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109636
  explicit: false
  by artist: Nikolai Kapustin
  by artist: Yuja Wang
  in album: Kapustin: 24 Jazz Preludes, Op. 53: No. 10
    type: MusicAlbum
    date published: 2024-04-19
  isrc code: DEN962300202
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T18:13:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x134cf399108925400e585184f47b01fb87ef3ec2c003f322bb676d4e8603c081
  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/2sGpEwxXhmLkJYZCq92SPm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2sGpEwxXhmLkJYZCq92SPm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x134cf399108925400e585184f47b01fb87ef3ec2c003f322bb676d4e8603c081","isrc":"DEN962300202","name":"24 Jazz Preludes, Op. 53: No. 10","registered_at":"2026-06-09T18:13:44Z","spotify_id":"2sGpEwxXhmLkJYZCq92SPm","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 0x134cf399108925400e585184f47b01fb87ef3ec2c003f322bb676d4e8603c081. 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/2sGpEwxXhmLkJYZCq92SPm.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/2sGpEwxXhmLkJYZCq92SPm.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x134cf399108925400e585184f47b01fb87ef3ec2c003f322bb676d4e8603c081","isrc":"DEN962300202","name":"24 Jazz Preludes, Op. 53: No. 10","registered_at":"2026-06-09T18:13:44Z","spotify_id":"2sGpEwxXhmLkJYZCq92SPm","type":"track"}

Glass: Études: No. 6
type: MusicAlbum
date published: 2024-04-05
track: Études: No. 6
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166513
  explicit: false
  by artist: Philip Glass
  by artist: Yuja Wang
  in album: Glass: Études: No. 6
    type: MusicAlbum
    date published: 2024-04-05
  isrc code: DEN962300230
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T11:29:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x77ae6a83d95800ffedb053e50972487bed15d40651cb21a73d75acfa23bd31d3
  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/0fat1ldvI9MV88Pj2oSWLW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0fat1ldvI9MV88Pj2oSWLW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x77ae6a83d95800ffedb053e50972487bed15d40651cb21a73d75acfa23bd31d3","isrc":"DEN962300230","name":"Études: No. 6","registered_at":"2026-06-06T11:29:07Z","spotify_id":"0fat1ldvI9MV88Pj2oSWLW","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 0x77ae6a83d95800ffedb053e50972487bed15d40651cb21a73d75acfa23bd31d3. 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/0fat1ldvI9MV88Pj2oSWLW.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/0fat1ldvI9MV88Pj2oSWLW.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x77ae6a83d95800ffedb053e50972487bed15d40651cb21a73d75acfa23bd31d3","isrc":"DEN962300230","name":"Études: No. 6","registered_at":"2026-06-06T11:29:07Z","spotify_id":"0fat1ldvI9MV88Pj2oSWLW","type":"track"}

Scriabin: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante
type: MusicAlbum
date published: 2024-03-22
track: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279925
  explicit: false
  by artist: Alexander Scriabin
  by artist: Yuja Wang
  in album: Scriabin: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante
    type: MusicAlbum
    date published: 2024-03-22
  isrc code: DEN962300193
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T12:31:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x425934fdfe54b849fd7854c1c4d0476dcd06796c40ab0a0ea1ee6187e5d655bb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956891
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3ouHX7MPJW8caDGnh4NEFV.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ouHX7MPJW8caDGnh4NEFV
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x425934fdfe54b849fd7854c1c4d0476dcd06796c40ab0a0ea1ee6187e5d655bb","isrc":"DEN962300193","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante","registered_at":"2026-06-11T12:31:17Z","spotify_id":"3ouHX7MPJW8caDGnh4NEFV","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 0x425934fdfe54b849fd7854c1c4d0476dcd06796c40ab0a0ea1ee6187e5d655bb. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ouHX7MPJW8caDGnh4NEFV.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/3ouHX7MPJW8caDGnh4NEFV.
    date published: 2026-07-06T07:16:32Z
    text: {"copyright_id":"0x425934fdfe54b849fd7854c1c4d0476dcd06796c40ab0a0ea1ee6187e5d655bb","isrc":"DEN962300193","name":"Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante","registered_at":"2026-06-11T12:31:17Z","spotify_id":"3ouHX7MPJW8caDGnh4NEFV","type":"track"}

Schoenberg: Suite for Piano, Op. 25: VI. Gigue (Musical Moments)
type: MusicAlbum
date published: 2023-12-08
track: Suite for Piano, Op. 25: VI. Gigue - Musical Moments
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138171
  explicit: false
  by artist: Arnold Schoenberg
  by artist: Yuja Wang
  in album: Schoenberg: Suite for Piano, Op. 25: VI. Gigue (Musical Moments)
    type: MusicAlbum
    date published: 2023-12-08
  isrc code: DEN962303050
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T08:41:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe089ccfd0646bb6dafa7ee44a32d76af4f03cf8436db462bdc0048d8582cf913
  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/0wwReHfskijZp6CXo9PwAp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wwReHfskijZp6CXo9PwAp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe089ccfd0646bb6dafa7ee44a32d76af4f03cf8436db462bdc0048d8582cf913","isrc":"DEN962303050","name":"Suite for Piano, Op. 25: VI. Gigue - Musical Moments","registered_at":"2026-06-21T08:41:00Z","spotify_id":"0wwReHfskijZp6CXo9PwAp","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 0xe089ccfd0646bb6dafa7ee44a32d76af4f03cf8436db462bdc0048d8582cf913. 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/0wwReHfskijZp6CXo9PwAp.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/0wwReHfskijZp6CXo9PwAp.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xe089ccfd0646bb6dafa7ee44a32d76af4f03cf8436db462bdc0048d8582cf913","isrc":"DEN962303050","name":"Suite for Piano, Op. 25: VI. Gigue - Musical Moments","registered_at":"2026-06-21T08:41:00Z","spotify_id":"0wwReHfskijZp6CXo9PwAp","type":"track"}

Rachmaninoff: Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo
type: MusicAlbum
date published: 2023-08-18
track: Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo
  type: MusicRecording
  duration: PT6M19S
  duration ms: 379746
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: Rachmaninoff: Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo
    type: MusicAlbum
    date published: 2023-08-18
  isrc code: DEN962301472
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T20:47:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf1d8aa70eedfe2b2b38d1ef5b7548c57365408a1f5dffcc2978737e6a5a216c
  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/31R1QNhXa9RwcgCdKvpnB8.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/31R1QNhXa9RwcgCdKvpnB8
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdf1d8aa70eedfe2b2b38d1ef5b7548c57365408a1f5dffcc2978737e6a5a216c","isrc":"DEN962301472","name":"Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo","registered_at":"2026-06-07T20:47:45Z","spotify_id":"31R1QNhXa9RwcgCdKvpnB8","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 0xdf1d8aa70eedfe2b2b38d1ef5b7548c57365408a1f5dffcc2978737e6a5a216c. 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/31R1QNhXa9RwcgCdKvpnB8.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/31R1QNhXa9RwcgCdKvpnB8.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xdf1d8aa70eedfe2b2b38d1ef5b7548c57365408a1f5dffcc2978737e6a5a216c","isrc":"DEN962301472","name":"Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo","registered_at":"2026-06-07T20:47:45Z","spotify_id":"31R1QNhXa9RwcgCdKvpnB8","type":"track"}

Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso
type: MusicAlbum
date published: 2023-08-04
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso
  type: MusicRecording
  duration: PT1M16S
  duration ms: 76506
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso
    type: MusicAlbum
    date published: 2023-08-04
  isrc code: DEN962332325
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T04:05:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6ce58c76979e32dc85296070db626820d72c34f680b00c024bdf53d30cc32d09
  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/3XKPSz33MQ7NaO8T5B3A0F.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3XKPSz33MQ7NaO8T5B3A0F
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6ce58c76979e32dc85296070db626820d72c34f680b00c024bdf53d30cc32d09","isrc":"DEN962332325","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso","registered_at":"2026-06-08T04:05:29Z","spotify_id":"3XKPSz33MQ7NaO8T5B3A0F","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 0x6ce58c76979e32dc85296070db626820d72c34f680b00c024bdf53d30cc32d09. 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/3XKPSz33MQ7NaO8T5B3A0F.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/3XKPSz33MQ7NaO8T5B3A0F.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x6ce58c76979e32dc85296070db626820d72c34f680b00c024bdf53d30cc32d09","isrc":"DEN962332325","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso","registered_at":"2026-06-08T04:05:29Z","spotify_id":"3XKPSz33MQ7NaO8T5B3A0F","type":"track"}

Rachmaninoff: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
type: MusicAlbum
date published: 2023-06-23
track: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
  type: MusicRecording
  duration: PT7M35S
  duration ms: 455000
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: Rachmaninoff: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
    type: MusicAlbum
    date published: 2023-06-23
  isrc code: DEN962301463
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:04:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x06e3b5dc47adb67e1628aacd516cce6f6c3879a8bbd98256f0a87ed9aad565f8
  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/66tj3rWLaJwtH8FQBK7xS9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66tj3rWLaJwtH8FQBK7xS9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x06e3b5dc47adb67e1628aacd516cce6f6c3879a8bbd98256f0a87ed9aad565f8","isrc":"DEN962301463","name":"Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace","registered_at":"2026-06-07T08:04:18Z","spotify_id":"66tj3rWLaJwtH8FQBK7xS9","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 0x06e3b5dc47adb67e1628aacd516cce6f6c3879a8bbd98256f0a87ed9aad565f8. 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/66tj3rWLaJwtH8FQBK7xS9.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/66tj3rWLaJwtH8FQBK7xS9.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x06e3b5dc47adb67e1628aacd516cce6f6c3879a8bbd98256f0a87ed9aad565f8","isrc":"DEN962301463","name":"Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace","registered_at":"2026-06-07T08:04:18Z","spotify_id":"66tj3rWLaJwtH8FQBK7xS9","type":"track"}

Mendelssohn: A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) [Live]
type: MusicAlbum
date published: 2023-06-09
track: A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) - Live
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246560
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  in album: Mendelssohn: A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) [Live]
    type: MusicAlbum
    date published: 2023-06-09
  isrc code: DEN962331807
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:15:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x023177826b7a0ac3d469bff271cb3f34231f6a30be72b2bb69ccd43453be74f8
  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/7wUXDJ34R7eCBSHEUEBCNE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wUXDJ34R7eCBSHEUEBCNE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x023177826b7a0ac3d469bff271cb3f34231f6a30be72b2bb69ccd43453be74f8","isrc":"DEN962331807","name":"A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) - Live","registered_at":"2026-06-21T05:15:35Z","spotify_id":"7wUXDJ34R7eCBSHEUEBCNE","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 0x023177826b7a0ac3d469bff271cb3f34231f6a30be72b2bb69ccd43453be74f8. 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/7wUXDJ34R7eCBSHEUEBCNE.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/7wUXDJ34R7eCBSHEUEBCNE.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x023177826b7a0ac3d469bff271cb3f34231f6a30be72b2bb69ccd43453be74f8","isrc":"DEN962331807","name":"A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) - Live","registered_at":"2026-06-21T05:15:35Z","spotify_id":"7wUXDJ34R7eCBSHEUEBCNE","type":"track"}

Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile
type: MusicAlbum
date published: 2023-03-31
track: Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166640
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile
    type: MusicAlbum
    date published: 2023-03-31
  isrc code: DEN962300930
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T17:58:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x54239ef41d77406198814937aa2ab62948f6dcbb19318142d5cae50f73f09ed7
  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/7xi6ZVsxqf8XsW3AeECFm0.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xi6ZVsxqf8XsW3AeECFm0
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x54239ef41d77406198814937aa2ab62948f6dcbb19318142d5cae50f73f09ed7","isrc":"DEN962300930","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile","registered_at":"2026-06-06T17:58:23Z","spotify_id":"7xi6ZVsxqf8XsW3AeECFm0","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 0x54239ef41d77406198814937aa2ab62948f6dcbb19318142d5cae50f73f09ed7. 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/7xi6ZVsxqf8XsW3AeECFm0.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/7xi6ZVsxqf8XsW3AeECFm0.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x54239ef41d77406198814937aa2ab62948f6dcbb19318142d5cae50f73f09ed7","isrc":"DEN962300930","name":"Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile","registered_at":"2026-06-06T17:58:23Z","spotify_id":"7xi6ZVsxqf8XsW3AeECFm0","type":"track"}

Tilson Thomas: You Come Here Often?
type: MusicAlbum
date published: 2023-01-13
track: You Come Here Often?
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273546
  explicit: false
  by artist: Michael Tilson Thomas
  by artist: Yuja Wang
  in album: Tilson Thomas: You Come Here Often?
    type: MusicAlbum
    date published: 2023-01-13
  isrc code: DEN962202730
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T09:59:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf225ac95b45875d36a67f1eed04d9f35fc167ef14c943145274f3d35d3d9d6c
  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/2ADHWFLByJ9rG9cR8BWptE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ADHWFLByJ9rG9cR8BWptE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdf225ac95b45875d36a67f1eed04d9f35fc167ef14c943145274f3d35d3d9d6c","isrc":"DEN962202730","name":"You Come Here Often?","registered_at":"2026-06-23T09:59:10Z","spotify_id":"2ADHWFLByJ9rG9cR8BWptE","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 0xdf225ac95b45875d36a67f1eed04d9f35fc167ef14c943145274f3d35d3d9d6c. 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/2ADHWFLByJ9rG9cR8BWptE.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/2ADHWFLByJ9rG9cR8BWptE.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xdf225ac95b45875d36a67f1eed04d9f35fc167ef14c943145274f3d35d3d9d6c","isrc":"DEN962202730","name":"You Come Here Often?","registered_at":"2026-06-23T09:59:10Z","spotify_id":"2ADHWFLByJ9rG9cR8BWptE","type":"track"}

Brahms: Clarinet Trio in A Minor, Op. 114: I. Allegro
type: MusicAlbum
date published: 2022-08-12
track: Clarinet Trio in A Minor, Op. 114: I. Allegro
  type: MusicRecording
  duration: PT7M39S
  duration ms: 459213
  explicit: false
  by artist: Johannes Brahms
  by artist: Andreas Ottensamer
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Brahms: Clarinet Trio in A Minor, Op. 114: I. Allegro
    type: MusicAlbum
    date published: 2022-08-12
  isrc code: DEN962200521
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T22:32:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa0992953c3e31508d17d0f15dcb3d67e4ddc7283df27131c445d673b7077f4b5
  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/3XscpxBMDGN1Jhm9ZL3Wsg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3XscpxBMDGN1Jhm9ZL3Wsg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa0992953c3e31508d17d0f15dcb3d67e4ddc7283df27131c445d673b7077f4b5","isrc":"DEN962200521","name":"Clarinet Trio in A Minor, Op. 114: I. Allegro","registered_at":"2026-06-05T22:32:23Z","spotify_id":"3XscpxBMDGN1Jhm9ZL3Wsg","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 0xa0992953c3e31508d17d0f15dcb3d67e4ddc7283df27131c445d673b7077f4b5. 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/3XscpxBMDGN1Jhm9ZL3Wsg.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/3XscpxBMDGN1Jhm9ZL3Wsg.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xa0992953c3e31508d17d0f15dcb3d67e4ddc7283df27131c445d673b7077f4b5","isrc":"DEN962200521","name":"Clarinet Trio in A Minor, Op. 114: I. Allegro","registered_at":"2026-06-05T22:32:23Z","spotify_id":"3XscpxBMDGN1Jhm9ZL3Wsg","type":"track"}

Brahms: Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
type: MusicAlbum
date published: 2022-07-01
track: Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
  type: MusicRecording
  duration: PT13M37S
  duration ms: 817826
  explicit: false
  by artist: Johannes Brahms
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Brahms: Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
    type: MusicAlbum
    date published: 2022-07-01
  isrc code: DEN962200511
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T17:59:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe4cd5f8d1ecfa18e4fea5c57d88d185d34b8e20d1261470bc8aade684de0acc9
  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/0EhiqZX4FNq822uW0jjCrm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0EhiqZX4FNq822uW0jjCrm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe4cd5f8d1ecfa18e4fea5c57d88d185d34b8e20d1261470bc8aade684de0acc9","isrc":"DEN962200511","name":"Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo","registered_at":"2026-06-06T17:59:28Z","spotify_id":"0EhiqZX4FNq822uW0jjCrm","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 0xe4cd5f8d1ecfa18e4fea5c57d88d185d34b8e20d1261470bc8aade684de0acc9. 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/0EhiqZX4FNq822uW0jjCrm.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/0EhiqZX4FNq822uW0jjCrm.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xe4cd5f8d1ecfa18e4fea5c57d88d185d34b8e20d1261470bc8aade684de0acc9","isrc":"DEN962200511","name":"Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo","registered_at":"2026-06-06T17:59:28Z","spotify_id":"0EhiqZX4FNq822uW0jjCrm","type":"track"}

Márquez: Danzón No. 2 (Transcr. Gómez-Tagle for Piano) [Musical Moments]
type: MusicAlbum
date published: 2022-05-13
track: Danzón No. 2 (Transcr. Gómez-Tagle for Piano)
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220666
  explicit: false
  by artist: Arturo Márquez
  by artist: Yuja Wang
  in album: Márquez: Danzón No. 2 (Transcr. Gómez-Tagle for Piano) [Musical Moments]
    type: MusicAlbum
    date published: 2022-05-13
  isrc code: DEN962200920
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T18:00:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd46c93304f9d70aa7dfc461b5dd609af4c47bd8e407ca3b4a4921077573063f0
  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/53tOCYnxRJoVNQ15BQN1Ro.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53tOCYnxRJoVNQ15BQN1Ro
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd46c93304f9d70aa7dfc461b5dd609af4c47bd8e407ca3b4a4921077573063f0","isrc":"DEN962200920","name":"Danzón No. 2 (Transcr. Gómez-Tagle for Piano)","registered_at":"2026-06-06T18:00:34Z","spotify_id":"53tOCYnxRJoVNQ15BQN1Ro","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 0xd46c93304f9d70aa7dfc461b5dd609af4c47bd8e407ca3b4a4921077573063f0. 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/53tOCYnxRJoVNQ15BQN1Ro.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/53tOCYnxRJoVNQ15BQN1Ro.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xd46c93304f9d70aa7dfc461b5dd609af4c47bd8e407ca3b4a4921077573063f0","isrc":"DEN962200920","name":"Danzón No. 2 (Transcr. Gómez-Tagle for Piano)","registered_at":"2026-06-06T18:00:34Z","spotify_id":"53tOCYnxRJoVNQ15BQN1Ro","type":"track"}

Mendelssohn: Piano Sextet in D Major, Op. 110, MWV Q16: IV. Allegro vivace (Live)
type: MusicAlbum
date published: 2022-04-08
track: Piano Sextet in D Major, Op. 110: IV. Allegro vivace - Live at Verbier Festival, Switzerland, 2009
  type: MusicRecording
  duration: PT9M46S
  duration ms: 586840
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Yuja Wang
  by artist: Kirill Troussov
  by artist: David Aaron Carpenter
  by artist: Maxim Rysanov
  by artist: Sol Gabetta
  by artist: Leigh Mesh
  in album: Mendelssohn: Piano Sextet in D Major, Op. 110, MWV Q16: IV. Allegro vivace (Live)
    type: MusicAlbum
    date published: 2022-04-08
  isrc code: DEN962200314

Rachmaninov: Cello Sonata in G Minor, Op. 19: III. Andante (Live from Verbier Festival / 2008)
type: MusicAlbum
date published: 2020-07-17
track: Cello Sonata in G Minor, Op. 19: III. Andante - Live from Verbier Festival / 2008
  type: MusicRecording
  duration: PT5M54S
  duration ms: 354173
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Lynn Harrell
  by artist: Yuja Wang
  in album: Rachmaninov: Cello Sonata in G Minor, Op. 19: III. Andante (Live from Verbier Festival / 2008)
    type: MusicAlbum
    date published: 2020-07-17
  isrc code: DEN960803963

Rachmaninov: 14 Romances, Op. 34: No. 14 Vocalise (Arr. Kocsis for Piano) [Musical Moments]
type: MusicAlbum
date published: 2020-05-29
track: Vocalise, Op. 34 No. 14 (Arr. Kocsis for Piano)
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206924
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: Rachmaninov: 14 Romances, Op. 34: No. 14 Vocalise (Arr. Kocsis for Piano) [Musical Moments]
    type: MusicAlbum
    date published: 2020-05-29
  isrc code: DEN961803700
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T06:14:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5ec13c7ea7e2cee63c4c966c46f16727eb6fa724067e0f3312722cc944d92a6d
  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/4HgyR3aEMY3oRyoJvimtgZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4HgyR3aEMY3oRyoJvimtgZ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5ec13c7ea7e2cee63c4c966c46f16727eb6fa724067e0f3312722cc944d92a6d","isrc":"DEN961803700","name":"Vocalise, Op. 34 No. 14 (Arr. Kocsis for Piano)","registered_at":"2026-06-05T06:14:13Z","spotify_id":"4HgyR3aEMY3oRyoJvimtgZ","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 0x5ec13c7ea7e2cee63c4c966c46f16727eb6fa724067e0f3312722cc944d92a6d. 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/4HgyR3aEMY3oRyoJvimtgZ.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/4HgyR3aEMY3oRyoJvimtgZ.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x5ec13c7ea7e2cee63c4c966c46f16727eb6fa724067e0f3312722cc944d92a6d","isrc":"DEN961803700","name":"Vocalise, Op. 34 No. 14 (Arr. Kocsis for Piano)","registered_at":"2026-06-05T06:14:13Z","spotify_id":"4HgyR3aEMY3oRyoJvimtgZ","type":"track"}

Adams: China Gates
type: MusicAlbum
date published: 2020-04-10
track: China Gates
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279323
  explicit: false
  by artist: John Adams
  by artist: Yuja Wang
  in album: Adams: China Gates
    type: MusicAlbum
    date published: 2020-04-10
  isrc code: DEN961904040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T02:16:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24
  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/6ZXmwGzcA46pLXju1icJxh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ZXmwGzcA46pLXju1icJxh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24","isrc":"DEN961904040","name":"China Gates","registered_at":"2026-06-08T02:16:40Z","spotify_id":"6ZXmwGzcA46pLXju1icJxh","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 0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24. 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/6ZXmwGzcA46pLXju1icJxh.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/6ZXmwGzcA46pLXju1icJxh.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24","isrc":"DEN961904040","name":"China Gates","registered_at":"2026-06-08T02:16:40Z","spotify_id":"6ZXmwGzcA46pLXju1icJxh","type":"track"}

Adams: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
type: MusicAlbum
date published: 2020-04-03
track: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
  type: MusicRecording
  duration: PT7M41S
  duration ms: 461998
  explicit: false
  by artist: John Adams
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: Adams: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
    type: MusicAlbum
    date published: 2020-04-03
  isrc code: DEN961904033
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T16:58:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956891
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4jVw25VXtaa1OfVFwLEQWD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jVw25VXtaa1OfVFwLEQWD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc","isrc":"DEN961904033","name":"Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing","registered_at":"2026-06-25T16:58:06Z","spotify_id":"4jVw25VXtaa1OfVFwLEQWD","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 0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4jVw25VXtaa1OfVFwLEQWD.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/4jVw25VXtaa1OfVFwLEQWD.
    date published: 2026-07-06T07:16:32Z
    text: {"copyright_id":"0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc","isrc":"DEN961904033","name":"Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing","registered_at":"2026-06-25T16:58:06Z","spotify_id":"4jVw25VXtaa1OfVFwLEQWD","type":"track"}

Messiaen: Turangalîla-Symphonie
type: MusicAlbum
date published: 2024-12-06
track: Turangalîla-Symphonie: I. Introduction
  type: MusicRecording
  duration: PT6M33S
  duration ms: 393640
  explicit: false
  by artist: Olivier Messiaen
  by artist: Yuja Wang
  by artist: Cécile Lartigau
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Messiaen: Turangalîla-Symphonie
    type: MusicAlbum
    date published: 2024-12-06
  isrc code: DEN962436901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T03:58:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb7ab3fec0bac36c21d565be4a49d0f62aec73aca969765480d51e2824331bb56
  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/5K23vcy0wVvVJBClMyKDSg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5K23vcy0wVvVJBClMyKDSg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb7ab3fec0bac36c21d565be4a49d0f62aec73aca969765480d51e2824331bb56","isrc":"DEN962436901","name":"Turangalîla-Symphonie: I. Introduction","registered_at":"2026-06-20T03:58:06Z","spotify_id":"5K23vcy0wVvVJBClMyKDSg","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 0xb7ab3fec0bac36c21d565be4a49d0f62aec73aca969765480d51e2824331bb56. 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/5K23vcy0wVvVJBClMyKDSg.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/5K23vcy0wVvVJBClMyKDSg.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xb7ab3fec0bac36c21d565be4a49d0f62aec73aca969765480d51e2824331bb56","isrc":"DEN962436901","name":"Turangalîla-Symphonie: I. Introduction","registered_at":"2026-06-20T03:58:06Z","spotify_id":"5K23vcy0wVvVJBClMyKDSg","type":"track"}
track: Turangalîla-Symphonie: II. Chant d'amour 1
  type: MusicRecording
  duration: PT7M58S
  duration ms: 478520
  explicit: false
  by artist: Olivier Messiaen
  by artist: Yuja Wang
  by artist: Cécile Lartigau
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Messiaen: Turangalîla-Symphonie
    type: MusicAlbum
    date published: 2024-12-06
  isrc code: DEN962436902
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T00:28:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4c5eab8b3f903d32bd58cce8cc60305088f375fba31baf627b3a89600390103e
  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/7bhk0IN7WZvUyVfml9l6iL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bhk0IN7WZvUyVfml9l6iL
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4c5eab8b3f903d32bd58cce8cc60305088f375fba31baf627b3a89600390103e","isrc":"DEN962436902","name":"Turangalîla-Symphonie: II. Chant d'amour 1","registered_at":"2026-06-23T00:28:48Z","spotify_id":"7bhk0IN7WZvUyVfml9l6iL","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 0x4c5eab8b3f903d32bd58cce8cc60305088f375fba31baf627b3a89600390103e. 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/7bhk0IN7WZvUyVfml9l6iL.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/7bhk0IN7WZvUyVfml9l6iL.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x4c5eab8b3f903d32bd58cce8cc60305088f375fba31baf627b3a89600390103e","isrc":"DEN962436902","name":"Turangalîla-Symphonie: II. Chant d'amour 1","registered_at":"2026-06-23T00:28:48Z","spotify_id":"7bhk0IN7WZvUyVfml9l6iL","type":"track"}
track: Turangalîla-Symphonie: III. Turangalîla 1
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305560
  explicit: false
  by artist: Olivier Messiaen
  by artist: Yuja Wang
  by artist: Cécile Lartigau
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Messiaen: Turangalîla-Symphonie
    type: MusicAlbum
    date published: 2024-12-06
  isrc code: DEN962436903
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:32:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3e0db3ab69d4d2567806c3c7225cd425ec3a7cad9fc42ead3e3ecb0b3cfdf329
  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/6zEwtHReba9nseXUfU2hoL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zEwtHReba9nseXUfU2hoL
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3e0db3ab69d4d2567806c3c7225cd425ec3a7cad9fc42ead3e3ecb0b3cfdf329","isrc":"DEN962436903","name":"Turangalîla-Symphonie: III. Turangalîla 1","registered_at":"2026-06-25T17:32:59Z","spotify_id":"6zEwtHReba9nseXUfU2hoL","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 0x3e0db3ab69d4d2567806c3c7225cd425ec3a7cad9fc42ead3e3ecb0b3cfdf329. 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/6zEwtHReba9nseXUfU2hoL.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/6zEwtHReba9nseXUfU2hoL.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x3e0db3ab69d4d2567806c3c7225cd425ec3a7cad9fc42ead3e3ecb0b3cfdf329","isrc":"DEN962436903","name":"Turangalîla-Symphonie: III. Turangalîla 1","registered_at":"2026-06-25T17:32:59Z","spotify_id":"6zEwtHReba9nseXUfU2hoL","type":"track"}
track: Turangalîla-Symphonie: IV. Chant d'amour 2
  type: MusicRecording
  duration: PT10M59S
  duration ms: 659933
  explicit: false
  by artist: Olivier Messiaen
  by artist: Yuja Wang
  by artist: Cécile Lartigau
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Messiaen: Turangalîla-Symphonie
    type: MusicAlbum
    date published: 2024-12-06
  isrc code: DEN962436904
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:32:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1f887c50090c553036b6d532302fd2e4929f15f0a4d636c3cce8a2261620278d
  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/1wuwiMlusJc0tVzseVXuq5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wuwiMlusJc0tVzseVXuq5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1f887c50090c553036b6d532302fd2e4929f15f0a4d636c3cce8a2261620278d","isrc":"DEN962436904","name":"Turangalîla-Symphonie: IV. Chant d'amour 2","registered_at":"2026-06-25T17:32:25Z","spotify_id":"1wuwiMlusJc0tVzseVXuq5","type":"track"}
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Turangalîla-Symphonie: V. Joie du sang des étoiles
track: Turangalîla-Symphonie: VI. Jardin du sommeil d'amour
track: Turangalîla-Symphonie: VII. Turangalîla 2
track: Turangalîla-Symphonie: VIII. Développement de l'amour
track: Turangalîla-Symphonie: IX. Turangalîla 3
track: Turangalîla-Symphonie: X. Final

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 0x1f887c50090c553036b6d532302fd2e4929f15f0a4d636c3cce8a2261620278d. 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/1wuwiMlusJc0tVzseVXuq5.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/1wuwiMlusJc0tVzseVXuq5.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x1f887c50090c553036b6d532302fd2e4929f15f0a4d636c3cce8a2261620278d","isrc":"DEN962436904","name":"Turangalîla-Symphonie: IV. Chant d'amour 2","registered_at":"2026-06-25T17:32:25Z","spotify_id":"1wuwiMlusJc0tVzseVXuq5","type":"track"}

Turangalîla-Symphonie: V. Joie du sang des étoiles
type: MusicRecording
duration: PT6M37S
duration ms: 397653
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
isrc code: DEN962436905
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:32:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7191d6d38820b6a872b461f3540ae2eecc322b4c6dfa83bafb21949acc54739
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/2AaW9O48YYBqpU9Pg6VNpZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2AaW9O48YYBqpU9Pg6VNpZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf7191d6d38820b6a872b461f3540ae2eecc322b4c6dfa83bafb21949acc54739","isrc":"DEN962436905","name":"Turangalîla-Symphonie: V. Joie du sang des étoiles","registered_at":"2026-06-25T17:32:59Z","spotify_id":"2AaW9O48YYBqpU9Pg6VNpZ","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 0xf7191d6d38820b6a872b461f3540ae2eecc322b4c6dfa83bafb21949acc54739. 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/2AaW9O48YYBqpU9Pg6VNpZ.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/2AaW9O48YYBqpU9Pg6VNpZ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xf7191d6d38820b6a872b461f3540ae2eecc322b4c6dfa83bafb21949acc54739","isrc":"DEN962436905","name":"Turangalîla-Symphonie: V. Joie du sang des étoiles","registered_at":"2026-06-25T17:32:59Z","spotify_id":"2AaW9O48YYBqpU9Pg6VNpZ","type":"track"}

Turangalîla-Symphonie: VI. Jardin du sommeil d'amour
type: MusicRecording
duration: PT11M33S
duration ms: 693506
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
isrc code: DEN962436906
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:18:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7dd09d109a7b1a7e82f9790e2c85c072a0639e871871b47c45eba89a40fca915
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/0cPf8VU3Rt2VZw64MOXp7I.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0cPf8VU3Rt2VZw64MOXp7I
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7dd09d109a7b1a7e82f9790e2c85c072a0639e871871b47c45eba89a40fca915","isrc":"DEN962436906","name":"Turangalîla-Symphonie: VI. Jardin du sommeil d'amour","registered_at":"2026-06-17T22:18:31Z","spotify_id":"0cPf8VU3Rt2VZw64MOXp7I","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 0x7dd09d109a7b1a7e82f9790e2c85c072a0639e871871b47c45eba89a40fca915. 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/0cPf8VU3Rt2VZw64MOXp7I.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/0cPf8VU3Rt2VZw64MOXp7I.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x7dd09d109a7b1a7e82f9790e2c85c072a0639e871871b47c45eba89a40fca915","isrc":"DEN962436906","name":"Turangalîla-Symphonie: VI. Jardin du sommeil d'amour","registered_at":"2026-06-17T22:18:31Z","spotify_id":"0cPf8VU3Rt2VZw64MOXp7I","type":"track"}

Turangalîla-Symphonie: VII. Turangalîla 2
type: MusicRecording
duration: PT3M33S
duration ms: 213386
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
isrc code: DEN962436907

Turangalîla-Symphonie: VIII. Développement de l'amour
type: MusicRecording
duration: PT11M33S
duration ms: 693293
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
isrc code: DEN962436908

Turangalîla-Symphonie: IX. Turangalîla 3
type: MusicRecording
duration: PT4M35S
duration ms: 275000
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
isrc code: DEN962436909

Turangalîla-Symphonie: X. Final
type: MusicRecording
duration: PT7M15S
duration ms: 435293
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
isrc code: DEN962436910

Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
type: MusicAlbum
date published: 2025-03-28
track: Symphony No. 1 in F Minor, Op. 10: I. Allegretto – Allegro non troppo
  type: MusicRecording
  duration: PT9M27S
  duration ms: 567680
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
    type: MusicAlbum
    date published: 2025-03-28
  isrc code: DEN961803721
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T09:06:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x60e49be485c9be5352c00fdcc1814667d8069e190d7aee6528385c0d20753c64
  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/2JbLDNhuw9PQYx2yUZWwnr.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2JbLDNhuw9PQYx2yUZWwnr
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x60e49be485c9be5352c00fdcc1814667d8069e190d7aee6528385c0d20753c64","isrc":"DEN961803721","name":"Symphony No. 1 in F Minor, Op. 10: I. Allegretto – Allegro non troppo","registered_at":"2026-06-19T09:06:54Z","spotify_id":"2JbLDNhuw9PQYx2yUZWwnr","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 0x60e49be485c9be5352c00fdcc1814667d8069e190d7aee6528385c0d20753c64. 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/2JbLDNhuw9PQYx2yUZWwnr.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/2JbLDNhuw9PQYx2yUZWwnr.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x60e49be485c9be5352c00fdcc1814667d8069e190d7aee6528385c0d20753c64","isrc":"DEN961803721","name":"Symphony No. 1 in F Minor, Op. 10: I. Allegretto – Allegro non troppo","registered_at":"2026-06-19T09:06:54Z","spotify_id":"2JbLDNhuw9PQYx2yUZWwnr","type":"track"}
track: Symphony No. 1 in F Minor, Op. 10: II. Allegro – Meno mosso
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291026
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
    type: MusicAlbum
    date published: 2025-03-28
track: Symphony No. 1 in F Minor, Op. 10: III. Lento – Largo – Lento –
  type: MusicRecording
  duration: PT9M45S
  duration ms: 585720
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
    type: MusicAlbum
    date published: 2025-03-28
  isrc code: DEN961803723
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T00:28:18+00:00
track: Symphony No. 1 in F Minor, Op. 10: IV. Allegro molto – Lento – Allegro molto – Meno mosso
  type: MusicRecording
  duration: PT11M6S
  duration ms: 666933
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
    type: MusicAlbum
    date published: 2025-03-28
  isrc code: DEN961803724
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T21:23:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x492dfa8af7a9bbe1d00fd7049bcd9977083d40e4a161f29f1319587144475a0e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/32VxXECTPinVLyoQ9afjO0.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32VxXECTPinVLyoQ9afjO0
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x492dfa8af7a9bbe1d00fd7049bcd9977083d40e4a161f29f1319587144475a0e","isrc":"DEN961803724","name":"Symphony No. 1 in F Minor, Op. 10: IV. Allegro molto – Lento – Allegro molto – Meno mosso","registered_at":"2026-06-21T21:23:20Z","spotify_id":"32VxXECTPinVLyoQ9afjO0","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 0x492dfa8af7a9bbe1d00fd7049bcd9977083d40e4a161f29f1319587144475a0e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32VxXECTPinVLyoQ9afjO0.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/32VxXECTPinVLyoQ9afjO0.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0x492dfa8af7a9bbe1d00fd7049bcd9977083d40e4a161f29f1319587144475a0e","isrc":"DEN961803724","name":"Symphony No. 1 in F Minor, Op. 10: IV. Allegro molto – Lento – Allegro molto – Meno mosso","registered_at":"2026-06-21T21:23:20Z","spotify_id":"32VxXECTPinVLyoQ9afjO0","type":"track"}
track: Symphony No. 2 in B Major, Op. 14 "To October": Ia. Largo
  type: MusicRecording
  duration: PT12M6S
  duration ms: 726653
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
    type: MusicAlbum
    date published: 2025-03-28
  isrc code: DEN962302051
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T09:11:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2dd8c4892f93c418c6bf60e73fd0cd734ad289a890711e118790c77a424c9ca9
  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/67XAaMrYC09cTDMb5YLK44.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67XAaMrYC09cTDMb5YLK44
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2dd8c4892f93c418c6bf60e73fd0cd734ad289a890711e118790c77a424c9ca9","isrc":"DEN962302051","name":"Symphony No. 2 in B Major, Op. 14 \"To October\": Ia. Largo","registered_at":"2026-06-18T09:11:51Z","spotify_id":"67XAaMrYC09cTDMb5YLK44","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 0x2dd8c4892f93c418c6bf60e73fd0cd734ad289a890711e118790c77a424c9ca9. 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/67XAaMrYC09cTDMb5YLK44.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/67XAaMrYC09cTDMb5YLK44.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x2dd8c4892f93c418c6bf60e73fd0cd734ad289a890711e118790c77a424c9ca9","isrc":"DEN962302051","name":"Symphony No. 2 in B Major, Op. 14 \"To October\": Ia. Largo","registered_at":"2026-06-18T09:11:51Z","spotify_id":"67XAaMrYC09cTDMb5YLK44","type":"track"}
track: Symphony No. 2 in B Major, Op. 14 "To October": Ib. Chorus: "My schli, my prossili raboty i chleba”
  type: MusicRecording
  duration: PT7M17S
  duration ms: 437653
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Tanglewood Festival Chorus
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
    type: MusicAlbum
    date published: 2025-03-28
  isrc code: DEN962302052
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T21:08:03+00:00
  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: Symphony No. 3 in E-Flat Major, Op. 20 "1st of May": Ia. Allegretto - Allegro
track: Symphony No. 3 in E-Flat Major, Op. 20 "1st of May": Ib. Andante
track: Symphony No. 3 in E-Flat Major, Op. 20 "1st of May": Ic. Allegro – Largo
track: Symphony No. 3 in E-Flat Major, Op. 20 "1st of May": Id. Moderato "The First of May"
track: Symphony No. 4 in C Minor, Op. 43: I. Allegretto poco moderato
track: Symphony No. 4 in C Minor, Op. 43: II. Presto
track: Symphony No. 4 in C Minor, Op. 43: III. Moderato con moto
track: Symphony No. 4 in C Minor, Op. 43: IV. Largo
track: Symphony No. 4 in C Minor, Op. 43: V. Allegro
track: Symphony No. 5 in D Minor, Op. 47: I. Moderato
track: Symphony No. 5 in D Minor, Op. 47: II. Allegretto
track: Symphony No. 5 in D Minor, Op. 47: III. Largo
track: Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
track: Symphony No. 6 in B Minor, Op. 54: I. Largo
track: Symphony No. 6 in B Minor, Op. 54: II. Allegro
track: Symphony No. 6 in B Minor, Op. 54: III. Presto
track: Symphony No. 7 in C Major, Op. 60 "Leningrad": I. Allegretto
track: Symphony No. 7 in C Major, Op. 60 "Leningrad": II. Moderato. Poco allegretto
track: Symphony No. 7 in C Major, Op. 60 "Leningrad": III. Adagio
track: Symphony No. 7 in C Major, Op. 60 "Leningrad": IV. Allegro non troppo
track: Symphony No. 8 in C Minor, Op. 65: I. Adagio
track: Symphony No. 8 in C Minor, Op. 65: II. Allegretto
track: Symphony No. 8 in C Minor, Op. 65: III. Allegro non troppo
track: Symphony No. 8 in C Minor, Op. 65: IV. Largo
track: Symphony No. 8 in C Minor, Op. 65: V. Allegretto
track: Symphony No. 9 in E-Flat Major , Op. 70: I. Allegro
track: Symphony No. 9 in E-Flat Major , Op. 70: II. Moderato
track: Symphony No. 9 in E-Flat Major , Op. 70: III. Presto -
track: Symphony No. 9 in E-Flat Major , Op. 70: IV. Largo -
track: Symphony No. 9 in E-Flat Major , Op. 70: V. Allegretto
track: Symphony No. 10 in E Minor, Op. 93: I. Moderato
track: Symphony No. 10 in E Minor, Op. 93: II. Allegro
track: Symphony No. 10 in E Minor, Op. 93: III. Allegretto
track: Symphony No. 10 in E Minor, Op. 93: IV. Andante - Allegro
track: Symphony No. 11 in G Minor, Op. 103 "The Year 1905": I. The Palace Square (Adagio)
track: Symphony No. 11 in G Minor, Op. 103 "The Year 1905": II. The Ninth of January (Allegro - Adagio - Allegro - Adagio)
track: Symphony No. 11 in G Minor, Op. 103 "The Year 1905": III. Eternal Memory (Adagio)
track: Symphony No. 11 in G Minor, Op. 103 "The Year 1905": IV. The Tocsin (Allegro non troppo)
track: Symphony No. 12 in D Minor, Op. 112 "The Year 1917": I. Revolutionary Petrograd (Moderato – Allegro)
track: Symphony No. 12 in D Minor, Op. 112 "The Year 1917": II. Razliv (Allegro – Adagio)
track: Symphony No. 12 in D Minor, Op. 112 "The Year 1917": III. Aurora (Allegro)
track: Symphony No. 12 in D Minor, Op. 112 "The Year 1917": IV. The Dawn of Humanity (L'istesso tempo)
track: Symphony No. 13 in B-Flat Minor, Op. 113 "Babi Yar": I. Babi Yar. Adagio
track: Symphony No. 13 in B-Flat Minor, Op. 113 "Babi Yar": II. Humour. Allegretto

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x51bdb6dcb788ffdb2c0b826cbb337cce0c50fc1259c3b4d3709730a18bb0f53f

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/4805oeeMSbW17A0CfY9OGx.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4805oeeMSbW17A0CfY9OGx

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x51bdb6dcb788ffdb2c0b826cbb337cce0c50fc1259c3b4d3709730a18bb0f53f","isrc":"DEN962302052","name":"Symphony No. 2 in B Major, Op. 14 \"To October\": Ib. Chorus: \"My schli, my prossili raboty i chleba”","registered_at":"2026-06-19T21:08:03Z","spotify_id":"4805oeeMSbW17A0CfY9OGx","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 0x51bdb6dcb788ffdb2c0b826cbb337cce0c50fc1259c3b4d3709730a18bb0f53f. 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/4805oeeMSbW17A0CfY9OGx.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/4805oeeMSbW17A0CfY9OGx.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x51bdb6dcb788ffdb2c0b826cbb337cce0c50fc1259c3b4d3709730a18bb0f53f","isrc":"DEN962302052","name":"Symphony No. 2 in B Major, Op. 14 \"To October\": Ib. Chorus: \"My schli, my prossili raboty i chleba”","registered_at":"2026-06-19T21:08:03Z","spotify_id":"4805oeeMSbW17A0CfY9OGx","type":"track"}

Symphony No. 3 in E-Flat Major, Op. 20 "1st of May": Ia. Allegretto - Allegro
type: MusicRecording
duration: PT10M48S
duration ms: 648640
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 3 in E-Flat Major, Op. 20 "1st of May": Ib. Andante
type: MusicRecording
duration: PT6M6S
duration ms: 366546
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN962302062

Symphony No. 3 in E-Flat Major, Op. 20 "1st of May": Ic. Allegro – Largo
type: MusicRecording
duration: PT12M23S
duration ms: 743746
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN962302063

Symphony No. 3 in E-Flat Major, Op. 20 "1st of May": Id. Moderato "The First of May"
type: MusicRecording
duration: PT5M45S
duration ms: 345599
explicit: false
by artist: Dmitri Shostakovich
by artist: Tanglewood Festival Chorus
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN962302064

Symphony No. 4 in C Minor, Op. 43: I. Allegretto poco moderato
type: MusicRecording
duration: PT14M56S
duration ms: 896226
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961800141
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:41:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f2dba70d8b9d43ebb2916599623f9f1a3ef2f84bcad9ea506438f0ab486f00b
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/5Fwk7b2Jjju4EDuAY12xs2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Fwk7b2Jjju4EDuAY12xs2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8f2dba70d8b9d43ebb2916599623f9f1a3ef2f84bcad9ea506438f0ab486f00b","isrc":"DEN961800141","name":"Symphony No. 4 in C Minor, Op. 43: I. Allegretto poco moderato","registered_at":"2026-06-21T18:41:16Z","spotify_id":"5Fwk7b2Jjju4EDuAY12xs2","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 0x8f2dba70d8b9d43ebb2916599623f9f1a3ef2f84bcad9ea506438f0ab486f00b. 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/5Fwk7b2Jjju4EDuAY12xs2.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/5Fwk7b2Jjju4EDuAY12xs2.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x8f2dba70d8b9d43ebb2916599623f9f1a3ef2f84bcad9ea506438f0ab486f00b","isrc":"DEN961800141","name":"Symphony No. 4 in C Minor, Op. 43: I. Allegretto poco moderato","registered_at":"2026-06-21T18:41:16Z","spotify_id":"5Fwk7b2Jjju4EDuAY12xs2","type":"track"}

Symphony No. 4 in C Minor, Op. 43: II. Presto
type: MusicRecording
duration: PT11M47S
duration ms: 707053
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 4 in C Minor, Op. 43: III. Moderato con moto
type: MusicRecording
duration: PT8M24S
duration ms: 504146
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961800143
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:53:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad360d6ae1cd79a2e6714f4d85d175b9cc3846262680488d1e3542a9d90a1517
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/672ohcdMUYJOYkHus89SII.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/672ohcdMUYJOYkHus89SII
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad360d6ae1cd79a2e6714f4d85d175b9cc3846262680488d1e3542a9d90a1517","isrc":"DEN961800143","name":"Symphony No. 4 in C Minor, Op. 43: III. Moderato con moto","registered_at":"2026-06-20T22:53:10Z","spotify_id":"672ohcdMUYJOYkHus89SII","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 0xad360d6ae1cd79a2e6714f4d85d175b9cc3846262680488d1e3542a9d90a1517. 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/672ohcdMUYJOYkHus89SII.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/672ohcdMUYJOYkHus89SII.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xad360d6ae1cd79a2e6714f4d85d175b9cc3846262680488d1e3542a9d90a1517","isrc":"DEN961800143","name":"Symphony No. 4 in C Minor, Op. 43: III. Moderato con moto","registered_at":"2026-06-20T22:53:10Z","spotify_id":"672ohcdMUYJOYkHus89SII","type":"track"}

Symphony No. 4 in C Minor, Op. 43: IV. Largo
type: MusicRecording
duration: PT6M51S
duration ms: 411933
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961800144
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T12:38:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ee9fdafbd88d98097b03976143c893d2269098901a6c93aac20542c80b625f3
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/4T1who7VD12zMrMnkNfdaN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4T1who7VD12zMrMnkNfdaN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3ee9fdafbd88d98097b03976143c893d2269098901a6c93aac20542c80b625f3","isrc":"DEN961800144","name":"Symphony No. 4 in C Minor, Op. 43: IV. Largo","registered_at":"2026-06-25T12:38:45Z","spotify_id":"4T1who7VD12zMrMnkNfdaN","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 0x3ee9fdafbd88d98097b03976143c893d2269098901a6c93aac20542c80b625f3. 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/4T1who7VD12zMrMnkNfdaN.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/4T1who7VD12zMrMnkNfdaN.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x3ee9fdafbd88d98097b03976143c893d2269098901a6c93aac20542c80b625f3","isrc":"DEN961800144","name":"Symphony No. 4 in C Minor, Op. 43: IV. Largo","registered_at":"2026-06-25T12:38:45Z","spotify_id":"4T1who7VD12zMrMnkNfdaN","type":"track"}

Symphony No. 4 in C Minor, Op. 43: V. Allegro
type: MusicRecording
duration: PT22M29S
duration ms: 1349439
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 5 in D Minor, Op. 47: I. Moderato
type: MusicRecording
duration: PT16M34S
duration ms: 994600
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501781
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:25:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5d3d3e5a3bfbbce081a08563c8c0f85d5fdc95565952c1980b35f42d2f2dd9f
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/6lIngFGqkrkrymsL9TsRPf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6lIngFGqkrkrymsL9TsRPf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf5d3d3e5a3bfbbce081a08563c8c0f85d5fdc95565952c1980b35f42d2f2dd9f","isrc":"DEN961501781","name":"Symphony No. 5 in D Minor, Op. 47: I. Moderato","registered_at":"2026-06-21T21:25:47Z","spotify_id":"6lIngFGqkrkrymsL9TsRPf","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 0xf5d3d3e5a3bfbbce081a08563c8c0f85d5fdc95565952c1980b35f42d2f2dd9f. 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/6lIngFGqkrkrymsL9TsRPf.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/6lIngFGqkrkrymsL9TsRPf.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xf5d3d3e5a3bfbbce081a08563c8c0f85d5fdc95565952c1980b35f42d2f2dd9f","isrc":"DEN961501781","name":"Symphony No. 5 in D Minor, Op. 47: I. Moderato","registered_at":"2026-06-21T21:25:47Z","spotify_id":"6lIngFGqkrkrymsL9TsRPf","type":"track"}

Symphony No. 5 in D Minor, Op. 47: II. Allegretto
type: MusicRecording
duration: PT5M36S
duration ms: 336120
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501782
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:07:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x299478135b0c811128b2c90832f86fe59a8110e9b3477fac9c61985a04f25805
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/7LKkymRmLXGGO7oegFmZSr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7LKkymRmLXGGO7oegFmZSr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x299478135b0c811128b2c90832f86fe59a8110e9b3477fac9c61985a04f25805","isrc":"DEN961501782","name":"Symphony No. 5 in D Minor, Op. 47: II. Allegretto","registered_at":"2026-06-24T10:07:48Z","spotify_id":"7LKkymRmLXGGO7oegFmZSr","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 0x299478135b0c811128b2c90832f86fe59a8110e9b3477fac9c61985a04f25805. 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/7LKkymRmLXGGO7oegFmZSr.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/7LKkymRmLXGGO7oegFmZSr.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x299478135b0c811128b2c90832f86fe59a8110e9b3477fac9c61985a04f25805","isrc":"DEN961501782","name":"Symphony No. 5 in D Minor, Op. 47: II. Allegretto","registered_at":"2026-06-24T10:07:48Z","spotify_id":"7LKkymRmLXGGO7oegFmZSr","type":"track"}

Symphony No. 5 in D Minor, Op. 47: III. Largo
type: MusicRecording
duration: PT15M25S
duration ms: 925293
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501783
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:06:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x212e6a63b62f7ebaff8cd7c50a365430c95279373ad18e1d9dc89d8435f53802
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/5BT8HO7ufBTMyNRuTssARP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5BT8HO7ufBTMyNRuTssARP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x212e6a63b62f7ebaff8cd7c50a365430c95279373ad18e1d9dc89d8435f53802","isrc":"DEN961501783","name":"Symphony No. 5 in D Minor, Op. 47: III. Largo","registered_at":"2026-06-24T10:06:52Z","spotify_id":"5BT8HO7ufBTMyNRuTssARP","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 0x212e6a63b62f7ebaff8cd7c50a365430c95279373ad18e1d9dc89d8435f53802. 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/5BT8HO7ufBTMyNRuTssARP.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/5BT8HO7ufBTMyNRuTssARP.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x212e6a63b62f7ebaff8cd7c50a365430c95279373ad18e1d9dc89d8435f53802","isrc":"DEN961501783","name":"Symphony No. 5 in D Minor, Op. 47: III. Largo","registered_at":"2026-06-24T10:06:52Z","spotify_id":"5BT8HO7ufBTMyNRuTssARP","type":"track"}

Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
type: MusicRecording
duration: PT12M12S
duration ms: 732986
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501785
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T23:19:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9793948e1e902eaee103d14bf19a38c7aeab46f63b4f9963daa2a200d5c5fa97
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/50LtC57MxM6dg4SR0DJTxD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/50LtC57MxM6dg4SR0DJTxD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9793948e1e902eaee103d14bf19a38c7aeab46f63b4f9963daa2a200d5c5fa97","isrc":"DEN961501785","name":"Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo","registered_at":"2026-06-23T23:19:13Z","spotify_id":"50LtC57MxM6dg4SR0DJTxD","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 0x9793948e1e902eaee103d14bf19a38c7aeab46f63b4f9963daa2a200d5c5fa97. 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/50LtC57MxM6dg4SR0DJTxD.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/50LtC57MxM6dg4SR0DJTxD.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x9793948e1e902eaee103d14bf19a38c7aeab46f63b4f9963daa2a200d5c5fa97","isrc":"DEN961501785","name":"Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo","registered_at":"2026-06-23T23:19:13Z","spotify_id":"50LtC57MxM6dg4SR0DJTxD","type":"track"}

Symphony No. 6 in B Minor, Op. 54: I. Largo
type: MusicRecording
duration: PT19M38S
duration ms: 1178800
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961700461
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:05:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xafcc341a867d10e16a45333d27b1333bb73a9196017f23d1be97ce909fef61a8
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/5xUhoNixc2bXXLMNa28k3A.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xUhoNixc2bXXLMNa28k3A
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xafcc341a867d10e16a45333d27b1333bb73a9196017f23d1be97ce909fef61a8","isrc":"DEN961700461","name":"Symphony No. 6 in B Minor, Op. 54: I. Largo","registered_at":"2026-06-24T10:05:40Z","spotify_id":"5xUhoNixc2bXXLMNa28k3A","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 0xafcc341a867d10e16a45333d27b1333bb73a9196017f23d1be97ce909fef61a8. 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/5xUhoNixc2bXXLMNa28k3A.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/5xUhoNixc2bXXLMNa28k3A.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xafcc341a867d10e16a45333d27b1333bb73a9196017f23d1be97ce909fef61a8","isrc":"DEN961700461","name":"Symphony No. 6 in B Minor, Op. 54: I. Largo","registered_at":"2026-06-24T10:05:40Z","spotify_id":"5xUhoNixc2bXXLMNa28k3A","type":"track"}

Symphony No. 6 in B Minor, Op. 54: II. Allegro
type: MusicRecording
duration: PT6M24S
duration ms: 384493
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961700462
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:19:24+00:00

Symphony No. 6 in B Minor, Op. 54: III. Presto
type: MusicRecording
duration: PT7M10S
duration ms: 430800
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 7 in C Major, Op. 60 "Leningrad": I. Allegretto
type: MusicRecording
duration: PT27M20S
duration ms: 1640813
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961702221
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:18:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87bb24797a6a1e5c4ed3e1ce85af142383f420a6b5e33e5536b74117bd331877
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/6pmlQxn6eeIS33EMEijVzE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6pmlQxn6eeIS33EMEijVzE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x87bb24797a6a1e5c4ed3e1ce85af142383f420a6b5e33e5536b74117bd331877","isrc":"DEN961702221","name":"Symphony No. 7 in C Major, Op. 60 \"Leningrad\": I. Allegretto","registered_at":"2026-06-24T10:18:28Z","spotify_id":"6pmlQxn6eeIS33EMEijVzE","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 0x87bb24797a6a1e5c4ed3e1ce85af142383f420a6b5e33e5536b74117bd331877. 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/6pmlQxn6eeIS33EMEijVzE.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/6pmlQxn6eeIS33EMEijVzE.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x87bb24797a6a1e5c4ed3e1ce85af142383f420a6b5e33e5536b74117bd331877","isrc":"DEN961702221","name":"Symphony No. 7 in C Major, Op. 60 \"Leningrad\": I. Allegretto","registered_at":"2026-06-24T10:18:28Z","spotify_id":"6pmlQxn6eeIS33EMEijVzE","type":"track"}

Symphony No. 7 in C Major, Op. 60 "Leningrad": II. Moderato. Poco allegretto
type: MusicRecording
duration: PT11M38S
duration ms: 698546
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 7 in C Major, Op. 60 "Leningrad": III. Adagio
type: MusicRecording
duration: PT20M33S
duration ms: 1233453
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961702223

Symphony No. 7 in C Major, Op. 60 "Leningrad": IV. Allegro non troppo
type: MusicRecording
duration: PT18M54S
duration ms: 1134093
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 8 in C Minor, Op. 65: I. Adagio
type: MusicRecording
duration: PT26M44S
duration ms: 1604040
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 8 in C Minor, Op. 65: II. Allegretto
type: MusicRecording
duration: PT6M31S
duration ms: 391826
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961600012

Symphony No. 8 in C Minor, Op. 65: III. Allegro non troppo
type: MusicRecording
duration: PT6M37S
duration ms: 397693
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961600013

Symphony No. 8 in C Minor, Op. 65: IV. Largo
type: MusicRecording
duration: PT10M33S
duration ms: 633973
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961600014

Symphony No. 8 in C Minor, Op. 65: V. Allegretto
type: MusicRecording
duration: PT16M11S
duration ms: 971906
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961600015

Symphony No. 9 in E-Flat Major , Op. 70: I. Allegro
type: MusicRecording
duration: PT5M22S
duration ms: 322506
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 9 in E-Flat Major , Op. 70: II. Moderato
type: MusicRecording
duration: PT8M7S
duration ms: 487720
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501772

Symphony No. 9 in E-Flat Major , Op. 70: III. Presto -
type: MusicRecording
duration: PT2M53S
duration ms: 173306
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 9 in E-Flat Major , Op. 70: IV. Largo -
type: MusicRecording
duration: PT3M34S
duration ms: 214413
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 9 in E-Flat Major , Op. 70: V. Allegretto
type: MusicRecording
duration: PT6M39S
duration ms: 399613
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 10 in E Minor, Op. 93: I. Moderato
type: MusicRecording
duration: PT25M39S
duration ms: 1539306
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 10 in E Minor, Op. 93: II. Allegro
type: MusicRecording
duration: PT4M21S
duration ms: 261773
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961500362
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:24:21+00:00

Symphony No. 10 in E Minor, Op. 93: III. Allegretto
type: MusicRecording
duration: PT12M44S
duration ms: 764280
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961500363

Symphony No. 10 in E Minor, Op. 93: IV. Andante - Allegro
type: MusicRecording
duration: PT13M40S
duration ms: 820640
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 11 in G Minor, Op. 103 "The Year 1905": I. The Palace Square (Adagio)
type: MusicRecording
duration: PT17M14S
duration ms: 1034853
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 11 in G Minor, Op. 103 "The Year 1905": II. The Ninth of January (Allegro - Adagio - Allegro - Adagio)
type: MusicRecording
duration: PT18M46S
duration ms: 1126053
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961701782
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:01:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4982076b4d3f94a8f77a4be7c766685fbaea8453805d0e135508c4d114e8955f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4ZWuMPgbiSlpP2663wVJiG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZWuMPgbiSlpP2663wVJiG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4982076b4d3f94a8f77a4be7c766685fbaea8453805d0e135508c4d114e8955f","isrc":"DEN961701782","name":"Symphony No. 11 in G Minor, Op. 103 \"The Year 1905\": II. The Ninth of January (Allegro - Adagio - Allegro - Adagio)","registered_at":"2026-06-20T04:01:52Z","spotify_id":"4ZWuMPgbiSlpP2663wVJiG","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 0x4982076b4d3f94a8f77a4be7c766685fbaea8453805d0e135508c4d114e8955f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ZWuMPgbiSlpP2663wVJiG.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/4ZWuMPgbiSlpP2663wVJiG.
  date published: 2026-07-08T03:20:19Z
  text: {"copyright_id":"0x4982076b4d3f94a8f77a4be7c766685fbaea8453805d0e135508c4d114e8955f","isrc":"DEN961701782","name":"Symphony No. 11 in G Minor, Op. 103 \"The Year 1905\": II. The Ninth of January (Allegro - Adagio - Allegro - Adagio)","registered_at":"2026-06-20T04:01:52Z","spotify_id":"4ZWuMPgbiSlpP2663wVJiG","type":"track"}

Symphony No. 11 in G Minor, Op. 103 "The Year 1905": III. Eternal Memory (Adagio)
type: MusicRecording
duration: PT12M27S
duration ms: 747853
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 11 in G Minor, Op. 103 "The Year 1905": IV. The Tocsin (Allegro non troppo)
type: MusicRecording
duration: PT14M10S
duration ms: 850173
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 12 in D Minor, Op. 112 "The Year 1917": I. Revolutionary Petrograd (Moderato – Allegro)
type: MusicRecording
duration: PT15M7S
duration ms: 907000
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 12 in D Minor, Op. 112 "The Year 1917": II. Razliv (Allegro – Adagio)
type: MusicRecording
duration: PT14M2S
duration ms: 842400
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 12 in D Minor, Op. 112 "The Year 1917": III. Aurora (Allegro)
type: MusicRecording
duration: PT4M43S
duration ms: 283586
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 12 in D Minor, Op. 112 "The Year 1917": IV. The Dawn of Humanity (L'istesso tempo)
type: MusicRecording
duration: PT11M11S
duration ms: 671240
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 13 in B-Flat Minor, Op. 113 "Babi Yar": I. Babi Yar. Adagio
type: MusicRecording
duration: PT16M27S
duration ms: 987786
explicit: false
by artist: Dmitri Shostakovich
by artist: Matthias Goerne
by artist: Tanglewood Festival Chorus
by artist: New England Conservatory Symphonic Choir
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28

Symphony No. 13 in B-Flat Minor, Op. 113 "Babi Yar": II. Humour. Allegretto
type: MusicRecording
duration: PT8M48S
duration ms: 528013
explicit: false
by artist: Dmitri Shostakovich
by artist: Matthias Goerne
by artist: Tanglewood Festival Chorus
by artist: New England Conservatory Symphonic Choir
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN962302082

Shostakovich: The Piano Concertos; Solo Works
type: MusicAlbum
date published: 2025-05-02
track: Piano Concerto No. 1 with Trumpet and Strings, Op. 35: I. Allegro moderato
  type: MusicRecording
  duration: PT6M4S
  duration ms: 364013
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Yuja Wang
  by artist: Thomas Rolfs
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: The Piano Concertos; Solo Works
    type: MusicAlbum
    date published: 2025-05-02
  isrc code: DEN962401501
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T18:51:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdbb48631855ec2629b844268f05c1513ecd4f4aef6491925628810fab7cb554b
  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/5XfQ8nZP5iqTJGqJfQFrAp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XfQ8nZP5iqTJGqJfQFrAp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdbb48631855ec2629b844268f05c1513ecd4f4aef6491925628810fab7cb554b","isrc":"DEN962401501","name":"Piano Concerto No. 1 with Trumpet and Strings, Op. 35: I. Allegro moderato","registered_at":"2026-06-20T18:51:05Z","spotify_id":"5XfQ8nZP5iqTJGqJfQFrAp","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 0xdbb48631855ec2629b844268f05c1513ecd4f4aef6491925628810fab7cb554b. 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/5XfQ8nZP5iqTJGqJfQFrAp.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/5XfQ8nZP5iqTJGqJfQFrAp.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xdbb48631855ec2629b844268f05c1513ecd4f4aef6491925628810fab7cb554b","isrc":"DEN962401501","name":"Piano Concerto No. 1 with Trumpet and Strings, Op. 35: I. Allegro moderato","registered_at":"2026-06-20T18:51:05Z","spotify_id":"5XfQ8nZP5iqTJGqJfQFrAp","type":"track"}
track: Piano Concerto No. 1 with Trumpet and Strings, Op. 35: II. Lento
  type: MusicRecording
  duration: PT8M32S
  duration ms: 512840
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Yuja Wang
  by artist: Thomas Rolfs
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: The Piano Concertos; Solo Works
    type: MusicAlbum
    date published: 2025-05-02
  isrc code: DEN962401502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T18:52:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf56b733ebce210c900cdb576850d46f9ddc9846b3fecc545ab4e153e86c69df
  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/5EHz9LS69JeU7cH0czqTG4.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5EHz9LS69JeU7cH0czqTG4
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdf56b733ebce210c900cdb576850d46f9ddc9846b3fecc545ab4e153e86c69df","isrc":"DEN962401502","name":"Piano Concerto No. 1 with Trumpet and Strings, Op. 35: II. Lento","registered_at":"2026-06-22T18:52:24Z","spotify_id":"5EHz9LS69JeU7cH0czqTG4","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 0xdf56b733ebce210c900cdb576850d46f9ddc9846b3fecc545ab4e153e86c69df. 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/5EHz9LS69JeU7cH0czqTG4.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/5EHz9LS69JeU7cH0czqTG4.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xdf56b733ebce210c900cdb576850d46f9ddc9846b3fecc545ab4e153e86c69df","isrc":"DEN962401502","name":"Piano Concerto No. 1 with Trumpet and Strings, Op. 35: II. Lento","registered_at":"2026-06-22T18:52:24Z","spotify_id":"5EHz9LS69JeU7cH0czqTG4","type":"track"}
track: Piano Concerto No. 1 with Trumpet and Strings, Op. 35: III. Moderato
  type: MusicRecording
  duration: PT1M52S
  duration ms: 112946
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Yuja Wang
  by artist: Thomas Rolfs
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: The Piano Concertos; Solo Works
    type: MusicAlbum
    date published: 2025-05-02
  isrc code: DEN962401503
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T04:40:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7bfcfad02cb62b9f0848feb0dc5e74f0edb5a006a136fbb8d679c1123a8a5b07
  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/5JwViRw8eRvkG3EjCNUzPa.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JwViRw8eRvkG3EjCNUzPa
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7bfcfad02cb62b9f0848feb0dc5e74f0edb5a006a136fbb8d679c1123a8a5b07","isrc":"DEN962401503","name":"Piano Concerto No. 1 with Trumpet and Strings, Op. 35: III. Moderato","registered_at":"2026-06-24T04:40:03Z","spotify_id":"5JwViRw8eRvkG3EjCNUzPa","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 0x7bfcfad02cb62b9f0848feb0dc5e74f0edb5a006a136fbb8d679c1123a8a5b07. 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/5JwViRw8eRvkG3EjCNUzPa.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/5JwViRw8eRvkG3EjCNUzPa.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x7bfcfad02cb62b9f0848feb0dc5e74f0edb5a006a136fbb8d679c1123a8a5b07","isrc":"DEN962401503","name":"Piano Concerto No. 1 with Trumpet and Strings, Op. 35: III. Moderato","registered_at":"2026-06-24T04:40:03Z","spotify_id":"5JwViRw8eRvkG3EjCNUzPa","type":"track"}
track: Piano Concerto No. 1 with Trumpet and Strings, Op. 35: IV. Allegro con brio
  type: MusicRecording
  duration: PT6M52S
  duration ms: 412706
  explicit: false
  by artist: Dmitri Shostakovich
  by artist: Yuja Wang
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: The Piano Concertos; Solo Works
    type: MusicAlbum
    date published: 2025-05-02
  isrc code: DEN962401504
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T03:29:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1f0848e9bda42728145f36b2985e2d69d052dee4672df5617bb3ba22b5289558
  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/48QK6ikmo2FSN1jk23KxLR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48QK6ikmo2FSN1jk23KxLR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1f0848e9bda42728145f36b2985e2d69d052dee4672df5617bb3ba22b5289558","isrc":"DEN962401504","name":"Piano Concerto No. 1 with Trumpet and Strings, Op. 35: IV. Allegro con brio","registered_at":"2026-06-23T03:29:09Z","spotify_id":"48QK6ikmo2FSN1jk23KxLR","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: Piano Concerto No. 2 in F Major, Op. 102: I. Allegro
track: Piano Concerto No. 2 in F Major, Op. 102: II. Andante
track: Piano Concerto No. 2 in F Major, Op. 102: III. Allegro
track: 24 Preludes and Fugues, Op. 87: No. 8a, Prelude in F-Sharp Minor
track: 24 Preludes and Fugues, Op. 87: No. 2a, Prelude in A Minor
track: 24 Preludes and Fugues, Op. 87: No. 2b, Fugue in A Minor
track: 24 Preludes, Op. 34: No. 5 in D Major. Allegro vivace
track: 24 Preludes and Fugues, Op. 87: No. 15a, Prelude in D-Flat Major
track: 24 Preludes and Fugues, Op. 87: No. 15b, Fugue in D-Flat Major

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f0848e9bda42728145f36b2985e2d69d052dee4672df5617bb3ba22b5289558. 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/48QK6ikmo2FSN1jk23KxLR.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/48QK6ikmo2FSN1jk23KxLR.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x1f0848e9bda42728145f36b2985e2d69d052dee4672df5617bb3ba22b5289558","isrc":"DEN962401504","name":"Piano Concerto No. 1 with Trumpet and Strings, Op. 35: IV. Allegro con brio","registered_at":"2026-06-23T03:29:09Z","spotify_id":"48QK6ikmo2FSN1jk23KxLR","type":"track"}

Piano Concerto No. 2 in F Major, Op. 102: I. Allegro
type: MusicRecording
duration: PT7M3S
duration ms: 423253
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02

Piano Concerto No. 2 in F Major, Op. 102: II. Andante
type: MusicRecording
duration: PT6M6S
duration ms: 366506
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02

Piano Concerto No. 2 in F Major, Op. 102: III. Allegro
type: MusicRecording
duration: PT5M21S
duration ms: 321533
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02

24 Preludes and Fugues, Op. 87: No. 8a, Prelude in F-Sharp Minor
type: MusicRecording
duration: PT1M7S
duration ms: 67480
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02
isrc code: DEN962402170
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T18:53:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b4105208ea67328074b2740864a35f80627d98ce7129dd52434e16e8f19dc43
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/2rz6gdX8UWxJXHFpLUZR7U.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2rz6gdX8UWxJXHFpLUZR7U
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2b4105208ea67328074b2740864a35f80627d98ce7129dd52434e16e8f19dc43","isrc":"DEN962402170","name":"24 Preludes and Fugues, Op. 87: No. 8a, Prelude in F-Sharp Minor","registered_at":"2026-06-22T18:53:55Z","spotify_id":"2rz6gdX8UWxJXHFpLUZR7U","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 0x2b4105208ea67328074b2740864a35f80627d98ce7129dd52434e16e8f19dc43. 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/2rz6gdX8UWxJXHFpLUZR7U.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/2rz6gdX8UWxJXHFpLUZR7U.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x2b4105208ea67328074b2740864a35f80627d98ce7129dd52434e16e8f19dc43","isrc":"DEN962402170","name":"24 Preludes and Fugues, Op. 87: No. 8a, Prelude in F-Sharp Minor","registered_at":"2026-06-22T18:53:55Z","spotify_id":"2rz6gdX8UWxJXHFpLUZR7U","type":"track"}

24 Preludes and Fugues, Op. 87: No. 2a, Prelude in A Minor
type: MusicRecording
duration: PT0M55S
duration ms: 55213
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02
isrc code: DEN962402181
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T15:15:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9903e231504d3e0d04c802c4a5fc17f8a50497dece8d5f85ed07d0ab4fc1a688
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/1UAtcfzUdR3YrpqwvqVff4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UAtcfzUdR3YrpqwvqVff4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9903e231504d3e0d04c802c4a5fc17f8a50497dece8d5f85ed07d0ab4fc1a688","isrc":"DEN962402181","name":"24 Preludes and Fugues, Op. 87: No. 2a, Prelude in A Minor","registered_at":"2026-06-05T15:15:19Z","spotify_id":"1UAtcfzUdR3YrpqwvqVff4","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 0x9903e231504d3e0d04c802c4a5fc17f8a50497dece8d5f85ed07d0ab4fc1a688. 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/1UAtcfzUdR3YrpqwvqVff4.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/1UAtcfzUdR3YrpqwvqVff4.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x9903e231504d3e0d04c802c4a5fc17f8a50497dece8d5f85ed07d0ab4fc1a688","isrc":"DEN962402181","name":"24 Preludes and Fugues, Op. 87: No. 2a, Prelude in A Minor","registered_at":"2026-06-05T15:15:19Z","spotify_id":"1UAtcfzUdR3YrpqwvqVff4","type":"track"}

24 Preludes and Fugues, Op. 87: No. 2b, Fugue in A Minor
type: MusicRecording
duration: PT1M18S
duration ms: 78826
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02
isrc code: DEN962402182
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T21:29:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3fe4b12ded7e493ad8ac56870b3127d11205a9940069dadd4f46c3cfed5bae93
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/01bUKfkrwKr3au9X4lCd9x.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/01bUKfkrwKr3au9X4lCd9x
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3fe4b12ded7e493ad8ac56870b3127d11205a9940069dadd4f46c3cfed5bae93","isrc":"DEN962402182","name":"24 Preludes and Fugues, Op. 87: No. 2b, Fugue in A Minor","registered_at":"2026-06-06T21:29:42Z","spotify_id":"01bUKfkrwKr3au9X4lCd9x","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 0x3fe4b12ded7e493ad8ac56870b3127d11205a9940069dadd4f46c3cfed5bae93. 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/01bUKfkrwKr3au9X4lCd9x.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/01bUKfkrwKr3au9X4lCd9x.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x3fe4b12ded7e493ad8ac56870b3127d11205a9940069dadd4f46c3cfed5bae93","isrc":"DEN962402182","name":"24 Preludes and Fugues, Op. 87: No. 2b, Fugue in A Minor","registered_at":"2026-06-06T21:29:42Z","spotify_id":"01bUKfkrwKr3au9X4lCd9x","type":"track"}

24 Preludes, Op. 34: No. 5 in D Major. Allegro vivace
type: MusicRecording
duration: PT0M30S
duration ms: 30653
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02

24 Preludes and Fugues, Op. 87: No. 15a, Prelude in D-Flat Major
type: MusicRecording
duration: PT2M51S
duration ms: 171040
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02
isrc code: DEN962402201

24 Preludes and Fugues, Op. 87: No. 15b, Fugue in D-Flat Major
type: MusicRecording
duration: PT1M38S
duration ms: 98626
explicit: false
by artist: Dmitri Shostakovich
by artist: Yuja Wang
in album: Shostakovich: The Piano Concertos; Solo Works
  type: MusicAlbum
  date published: 2025-05-02

Franck & Chopin: Cello Sonatas
type: MusicAlbum
date published: 2019-12-06
track: Franck: Cello Sonata in A Major, FWV 8: I. Allegretto ben moderato
  type: MusicRecording
  duration: PT6M43S
  duration ms: 403266
  explicit: false
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Franck & Chopin: Cello Sonatas
    type: MusicAlbum
    date published: 2019-12-06
  isrc code: GBAYC1900640
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T15:55:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x666b5dfa89e0f26f9b68a8acef5ec767c229789a502691839ae438788096d27c
  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/4d6d0A73F9OqPYy8NAMu7n.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4d6d0A73F9OqPYy8NAMu7n
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x666b5dfa89e0f26f9b68a8acef5ec767c229789a502691839ae438788096d27c","isrc":"GBAYC1900640","name":"Franck: Cello Sonata in A Major, FWV 8: I. Allegretto ben moderato","registered_at":"2026-06-24T15:55:05Z","spotify_id":"4d6d0A73F9OqPYy8NAMu7n","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 0x666b5dfa89e0f26f9b68a8acef5ec767c229789a502691839ae438788096d27c. 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/4d6d0A73F9OqPYy8NAMu7n.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/4d6d0A73F9OqPYy8NAMu7n.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x666b5dfa89e0f26f9b68a8acef5ec767c229789a502691839ae438788096d27c","isrc":"GBAYC1900640","name":"Franck: Cello Sonata in A Major, FWV 8: I. Allegretto ben moderato","registered_at":"2026-06-24T15:55:05Z","spotify_id":"4d6d0A73F9OqPYy8NAMu7n","type":"track"}
track: Franck: Cello Sonata in A Major, FWV 8: II. Allegro (Arr. Delsart)
  type: MusicRecording
  duration: PT8M13S
  duration ms: 493520
  explicit: false
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Franck & Chopin: Cello Sonatas
    type: MusicAlbum
    date published: 2019-12-06
  isrc code: GBAYC1900641
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T04:11:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5b1e2d330a765da2a35ee1bd540d75ae5e93146951a16a7bfc0ed99f04818d2e
  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/2iWGEmGWXeo6Aa4oMzNAsw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2iWGEmGWXeo6Aa4oMzNAsw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5b1e2d330a765da2a35ee1bd540d75ae5e93146951a16a7bfc0ed99f04818d2e","isrc":"GBAYC1900641","name":"Franck: Cello Sonata in A Major, FWV 8: II. Allegro (Arr. Delsart)","registered_at":"2026-06-22T04:11:18Z","spotify_id":"2iWGEmGWXeo6Aa4oMzNAsw","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 0x5b1e2d330a765da2a35ee1bd540d75ae5e93146951a16a7bfc0ed99f04818d2e. 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/2iWGEmGWXeo6Aa4oMzNAsw.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/2iWGEmGWXeo6Aa4oMzNAsw.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x5b1e2d330a765da2a35ee1bd540d75ae5e93146951a16a7bfc0ed99f04818d2e","isrc":"GBAYC1900641","name":"Franck: Cello Sonata in A Major, FWV 8: II. Allegro (Arr. Delsart)","registered_at":"2026-06-22T04:11:18Z","spotify_id":"2iWGEmGWXeo6Aa4oMzNAsw","type":"track"}
track: Franck: Cello Sonata in A Major, FWV 8: III. Recitativo-Fantasia. Ben moderato
  type: MusicRecording
  duration: PT7M25S
  duration ms: 445626
  explicit: false
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Franck & Chopin: Cello Sonatas
    type: MusicAlbum
    date published: 2019-12-06
  isrc code: GBAYC1900642
track: Franck: Cello Sonata in A Major, FWV 8: IV. Allegretto poco mosso
  type: MusicRecording
  duration: PT6M41S
  duration ms: 401013
  explicit: false
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Franck & Chopin: Cello Sonatas
    type: MusicAlbum
    date published: 2019-12-06
  isrc code: GBAYC1900643
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T10:00:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x605a3ca9ead4d0c7838bccd4b7c552b8d629585188f6fb61af29def21b0f373e
  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/42cG9KThWrnLaQERDQJ30M.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/42cG9KThWrnLaQERDQJ30M
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x605a3ca9ead4d0c7838bccd4b7c552b8d629585188f6fb61af29def21b0f373e","isrc":"GBAYC1900643","name":"Franck: Cello Sonata in A Major, FWV 8: IV. Allegretto poco mosso","registered_at":"2026-06-23T10:00:18Z","spotify_id":"42cG9KThWrnLaQERDQJ30M","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 0x605a3ca9ead4d0c7838bccd4b7c552b8d629585188f6fb61af29def21b0f373e. 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/42cG9KThWrnLaQERDQJ30M.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/42cG9KThWrnLaQERDQJ30M.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x605a3ca9ead4d0c7838bccd4b7c552b8d629585188f6fb61af29def21b0f373e","isrc":"GBAYC1900643","name":"Franck: Cello Sonata in A Major, FWV 8: IV. Allegretto poco mosso","registered_at":"2026-06-23T10:00:18Z","spotify_id":"42cG9KThWrnLaQERDQJ30M","type":"track"}
track: Chopin: Introduction et Polonaise brillante in C Major, Op. 3
  type: MusicRecording
  duration: PT9M4S
  duration ms: 544693
  explicit: false
  by artist: Gautier Capuçon
  by artist: Yuja Wang
  in album: Franck & Chopin: Cello Sonatas
    type: MusicAlbum
    date published: 2019-12-06
  isrc code: GBAYC1900644
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T15:54:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x255b30f2a3b2b35e83739bd47359d3b3d5628fea421d52d483e08461895af71c
  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/0stG3DssM3qrfy3q6nAQDF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0stG3DssM3qrfy3q6nAQDF
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x255b30f2a3b2b35e83739bd47359d3b3d5628fea421d52d483e08461895af71c","isrc":"GBAYC1900644","name":"Chopin: Introduction et Polonaise brillante in C Major, Op. 3","registered_at":"2026-06-24T15:54:50Z","spotify_id":"0stG3DssM3qrfy3q6nAQDF","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: Chopin: Cello Sonata in G Minor, Op. 65: I. Allegretto moderato
track: Chopin: Cello Sonata in G Minor, Op. 65: II. Scherzo
track: Chopin: Cello Sonata in G Minor, Op. 65: III. Largo
track: Chopin: Cello Sonata in G Minor, Op. 65: IV. Finale. Allegro
track: Piazzolla: Le Grand Tango

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255b30f2a3b2b35e83739bd47359d3b3d5628fea421d52d483e08461895af71c. 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/0stG3DssM3qrfy3q6nAQDF.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/0stG3DssM3qrfy3q6nAQDF.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x255b30f2a3b2b35e83739bd47359d3b3d5628fea421d52d483e08461895af71c","isrc":"GBAYC1900644","name":"Chopin: Introduction et Polonaise brillante in C Major, Op. 3","registered_at":"2026-06-24T15:54:50Z","spotify_id":"0stG3DssM3qrfy3q6nAQDF","type":"track"}

Chopin: Cello Sonata in G Minor, Op. 65: I. Allegretto moderato
type: MusicRecording
duration: PT15M27S
duration ms: 927613
explicit: false
by artist: Gautier Capuçon
by artist: Yuja Wang
in album: Franck & Chopin: Cello Sonatas
  type: MusicAlbum
  date published: 2019-12-06
isrc code: GBAYC1900645

Chopin: Cello Sonata in G Minor, Op. 65: II. Scherzo
type: MusicRecording
duration: PT4M48S
duration ms: 288573
explicit: false
by artist: Gautier Capuçon
by artist: Yuja Wang
in album: Franck & Chopin: Cello Sonatas
  type: MusicAlbum
  date published: 2019-12-06
isrc code: GBAYC1900646

Chopin: Cello Sonata in G Minor, Op. 65: III. Largo
type: MusicRecording
duration: PT3M37S
duration ms: 217173
explicit: false
by artist: Gautier Capuçon
by artist: Yuja Wang
in album: Franck & Chopin: Cello Sonatas
  type: MusicAlbum
  date published: 2019-12-06
isrc code: GBAYC1900647
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:38:47+00:00

Chopin: Cello Sonata in G Minor, Op. 65: IV. Finale. Allegro
type: MusicRecording
duration: PT6M23S
duration ms: 383826
explicit: false
by artist: Gautier Capuçon
by artist: Yuja Wang
in album: Franck & Chopin: Cello Sonatas
  type: MusicAlbum
  date published: 2019-12-06
isrc code: GBAYC1900648

Piazzolla: Le Grand Tango
type: MusicRecording
duration: PT10M43S
duration ms: 643693
explicit: false
by artist: Gautier Capuçon
isrc code: GBAYC1900649