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type: MusicGroup
genre: classical
genre: classical piano
popularity: 23
followers: 1097
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T19:24:56Z
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album: Cyberecital.com
  type: MusicAlbum
  date published: 2002
album: Classical Carols
  type: MusicAlbum
  date published: 2007-10-23
album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
  track: Sleigh Ride (arr. A. Gentile for piano)
    type: MusicRecording
    duration: PT3M31S
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    by artist: Jeffrey Biegel
    in album: A Steinway Christmas Album
      type: MusicAlbum
      date published: 2011-09-27
    genre: classical
    genre: classical piano
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100030
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T13:32:09Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb3d3a85543f101a76538740f976a01ceb77b3b7cef513807a256fdd3530796. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100030 — a six-check JSON result.
      date published: 2026-06-13T13:32:09Z
    audio: Sleigh Ride (arr. A. Gentile for piano)
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  track: The Sussex Mummers' Christmas Carol (version for piano)
    type: MusicRecording
    duration: PT2M33S
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    by artist: Jeffrey Biegel
    in album: A Steinway Christmas Album
      type: MusicAlbum
      date published: 2011-09-27
    genre: classical
    genre: classical piano
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:20:19Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d1b565be658ab0bf9bbf886286adcaf7177ef0e6f15f1a39637e888a8d18274. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100031 — a six-check JSON result.
      date published: 2026-07-08T03:20:19Z
    audio: The Sussex Mummers' Christmas Carol (version for piano)
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  track: Ding Dong! Merrily on High - Herz und Mund und Tat und Leben, BWV 147: Jesu, bleibet meine Freude (arr. C.M. Taylor for piano)
  track: Quiet Night
  track: The Christmas Song, "Chestnuts Roasting On An Open Fire" (arr. J. Biegel for piano)
  track: Fetes de Noel (Svyatki), Op. 41: No. 3. Chanteurs
  track: The Nutcracker, Op. 71 (arr. for piano): III. Dance of the Sugar-plum Fairy
  track: The Nutcracker, Op. 71 (arr. for piano): IV. Russian Dance, "Trepak"
  track: Aus der Jugendzeit, Op. 17: No. 9. Weihnachtstraum
  track: Yolka (The Christmas Tree), Op. 21: Waltz (arr. for piano)
  track: In the Bleak Midwinter - 3 Etudes de concert, S144/R5: No. 3 in D-Flat Major, "Un sospiro" (arr. C.M. Taylor for piano)
  track: My Grown-Up Christmas List (arr. J. Biegel for piano)
  track: Auld Lang Syne (arr. J. Biegel for piano)
album: A Grand Romance
album: The Sonatina Album
album: Manhattan Intermezzo
album: A Pianist’s Journey
album: Cyberecital: An Historic Recording (Live)

Instrumentalness
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value: 0.928

Liveness
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Valence (Positivity)
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value: 0.368

Loudness (dB)
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value: -35.641

Key Name
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value: C#

Mode Name
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value: Major

Ding Dong! Merrily on High - Herz und Mund und Tat und Leben, BWV 147: Jesu, bleibet meine Freude (arr. C.M. Taylor for piano)
type: MusicRecording
duration: PT4M32S
duration ms: 272910
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100032
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x792bc2924a538a8b6a92b1c32722d81c9c83eaf68b8ceb7a46802006d5bc5eb0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100032 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Ding Dong! Merrily on High - Herz und Mund und Tat und Leben, BWV 147: Jesu, bleibet meine Freude (arr. C.M. Taylor for piano)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Quiet Night
type: MusicRecording
duration: PT2M23S
duration ms: 143460
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100033
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-07-30T23:31:18+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc156a24c43cdd0bcc5f1d688ccb09de639215a11179b88645497da859d81088f. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100033 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Quiet Night
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The Christmas Song, "Chestnuts Roasting On An Open Fire" (arr. J. Biegel for piano)
type: MusicRecording
duration: PT3M31S
duration ms: 211610
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100034
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264a6a3ed4e91000515124eac454d68349c1c3e5f8d2e0741aa13f6ef72d1cc5. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100034 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: The Christmas Song, "Chestnuts Roasting On An Open Fire" (arr. J. Biegel for piano)
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Fetes de Noel (Svyatki), Op. 41: No. 3. Chanteurs
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duration: PT2M10S
duration ms: 130080
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
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  date published: 2011-09-27
genre: classical
genre: classical piano
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f4dbf1e8d22da6742ceae2b693b630169f60e211ac0685293863f0c054aae03. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100035 — a six-check JSON result.
  date published: 2026-07-31T08:38:45Z
audio: Fetes de Noel (Svyatki), Op. 41: No. 3. Chanteurs
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  additional property: Valence (Positivity)
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The Nutcracker, Op. 71 (arr. for piano): III. Dance of the Sugar-plum Fairy
type: MusicRecording
duration: PT2M3S
duration ms: 123130
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100037
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100037
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x924ec7d36264b25a637a5ecbd764247f4395c8e5cbe62996860164982cc10bf0. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100037 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: The Nutcracker, Op. 71 (arr. for piano): III. Dance of the Sugar-plum Fairy
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The Nutcracker, Op. 71 (arr. for piano): IV. Russian Dance, "Trepak"
type: MusicRecording
duration: PT1M8S
duration ms: 68570
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100038
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7bca48180effbdd60c6fec99e54e3302b2fbef00b516a098aed717a7a2ef5c5d
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100038
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bca48180effbdd60c6fec99e54e3302b2fbef00b516a098aed717a7a2ef5c5d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100038 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: The Nutcracker, Op. 71 (arr. for piano): IV. Russian Dance, "Trepak"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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Aus der Jugendzeit, Op. 17: No. 9. Weihnachtstraum
type: MusicRecording
duration: PT2M11S
duration ms: 131140
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100039
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xb1ee39f1bb2113fcf891c50c8ccd6f302d380e81f5be3623ec540fa4e0c56795
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100039
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ee39f1bb2113fcf891c50c8ccd6f302d380e81f5be3623ec540fa4e0c56795. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100039 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Aus der Jugendzeit, Op. 17: No. 9. Weihnachtstraum
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Yolka (The Christmas Tree), Op. 21: Waltz (arr. for piano)
type: MusicRecording
duration: PT2M42S
duration ms: 162000
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x8f66803e90309d469987dd3f0abf4f0a2168239761991cde81e96f83c75112b8
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100040
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f66803e90309d469987dd3f0abf4f0a2168239761991cde81e96f83c75112b8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100040 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Yolka (The Christmas Tree), Op. 21: Waltz (arr. for piano)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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In the Bleak Midwinter - 3 Etudes de concert, S144/R5: No. 3 in D-Flat Major, "Un sospiro" (arr. C.M. Taylor for piano)
type: MusicRecording
duration: PT4M0S
duration ms: 240570
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-30T13:24:38+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100042
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c2e8c75bf8484b42a7c0b006c4e72f67a54e509e0d44f02cf691a15c519ef88. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100042 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: In the Bleak Midwinter - 3 Etudes de concert, S144/R5: No. 3 in D-Flat Major, "Un sospiro" (arr. C.M. Taylor for piano)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Valence (Positivity)
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My Grown-Up Christmas List (arr. J. Biegel for piano)
type: MusicRecording
duration: PT4M7S
duration ms: 247840
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100049
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:53:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde7855087f1e9d3c08f6c326b4a32b7e04877cf938a927d76895e41c7b24972b. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100049 — a six-check JSON result.
  date published: 2026-07-30T00:53:20Z
audio: My Grown-Up Christmas List (arr. J. Biegel for piano)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Auld Lang Syne (arr. J. Biegel for piano)
type: MusicRecording
duration: PT2M33S
duration ms: 153263
explicit: false
by artist: Jeffrey Biegel
in album: A Steinway Christmas Album
  type: MusicAlbum
  date published: 2011-09-27
genre: classical
genre: classical piano
isrc code: USUW61100050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9812bd62e076dcb463eb637d4745bb5e68891448a3961dea1437cd10c5927b26. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100050 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Auld Lang Syne (arr. J. Biegel for piano)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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A Steinway Christmas Album
type: MusicAlbum
date published: 2011-09-27

A Grand Romance
type: MusicAlbum
date published: 2013-05-07
track: Caprice espagnol, Op. 37
  type: MusicRecording
  duration: PT6M50S
  duration ms: 410146
  explicit: false
  by artist: Jeffrey Biegel
  in album: A Grand Romance
    type: MusicAlbum
    date published: 2013-05-07
  genre: classical
  genre: classical piano
  isrc code: USUW61300001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-07T06:09:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb41dc31d0e247c3423b551c222c0099bd9a6316df4dc61496ee61c0be6643702
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61300001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb41dc31d0e247c3423b551c222c0099bd9a6316df4dc61496ee61c0be6643702. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61300001 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Caprice espagnol, Op. 37
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.353
    additional property: Energy
      type: PropertyValue
      value: 0.2
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.989
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.184
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: A Argenteau, Op. 40: No. 6. Causerie
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300746
  explicit: false
  by artist: Jeffrey Biegel
  in album: A Grand Romance
    type: MusicAlbum
    date published: 2013-05-07
  genre: classical
  genre: classical piano
  isrc code: USUW61300007
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:33:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2c54a37b208ca411a93e55bff04ff7722bfb226238236e5f2bb33f67b51e4540
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61300007
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c54a37b208ca411a93e55bff04ff7722bfb226238236e5f2bb33f67b51e4540. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61300007 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: A Argenteau, Op. 40: No. 6. Causerie
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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track: Kamenniy-ostrov (Rocky Island), Op. 10: XXII. Moderato
  type: MusicRecording
  duration: PT7M44S
  duration ms: 464786
  explicit: false
  by artist: Jeffrey Biegel
  in album: A Grand Romance
    type: MusicAlbum
    date published: 2013-05-07
  genre: classical
  genre: classical piano
  isrc code: USUW61300013
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T06:51:53+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xd7066aa16d9d34838639c10d201d64b785c054791e6587cb870d869b5911db9d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960220
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Kamenniy-ostrov (Rocky Island), Op. 10: XXII. Moderato
track: An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314 (arr. A. Schulz-Evler for piano)

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960220

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61300013

OTSTimestamp
type: PropertyValue
value: 2026-07-30T07:28:30Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7066aa16d9d34838639c10d201d64b785c054791e6587cb870d869b5911db9d. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61300013 — a six-check JSON result.
date published: 2026-07-30T07:28:30Z

Kamenniy-ostrov (Rocky Island), Op. 10: XXII. Moderato
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.325
additional property: Energy
  type: PropertyValue
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additional property: Speechiness
  type: PropertyValue
  value: 0.049
additional property: Acousticness
  type: PropertyValue
  value: 0.992
additional property: Instrumentalness
  type: PropertyValue
  value: 0.9
additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.066
additional property: Loudness (dB)
  type: PropertyValue
  value: -30.534
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
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An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314 (arr. A. Schulz-Evler for piano)
type: MusicRecording
duration: PT10M12S
duration ms: 612120
explicit: false
by artist: Jeffrey Biegel
in album: A Grand Romance
  type: MusicAlbum
  date published: 2013-05-07
genre: classical
genre: classical piano
isrc code: USUW61300015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:12:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc30fd060fdc6a06b685e41c637d0a1e212dc1ef4c92cf11350bba0ed951640db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61300015
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc30fd060fdc6a06b685e41c637d0a1e212dc1ef4c92cf11350bba0ed951640db. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61300015 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314 (arr. A. Schulz-Evler for piano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.341
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.894
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.135
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.058
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

A Grand Romance
type: MusicAlbum
date published: 2013-05-07

The Sonatina Album
type: MusicAlbum
date published: 2014

Manhattan Intermezzo
type: MusicAlbum
date published: 2016-07-01

A Pianist’s Journey
type: MusicAlbum
date published: 2019-05-10
track: Songs Without Words, Op. 19: No. 6, Venetian Boat Song
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151364
  explicit: false
  by artist: Jeffrey Biegel
  in album: A Pianist’s Journey
    type: MusicAlbum
    date published: 2019-05-10
  genre: classical
  genre: classical piano
  isrc code: USHM21944388
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T14:58:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3e2b675fc3f930420197e3efa36f83ddee178a7f430b697bcc71faeeee8f6c2b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960418
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960418
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21944388
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T15:20:15Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e2b675fc3f930420197e3efa36f83ddee178a7f430b697bcc71faeeee8f6c2b. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21944388 — a six-check JSON result.
    date published: 2026-07-31T15:20:15Z
  audio: Songs Without Words, Op. 19: No. 6, Venetian Boat Song
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.415
    additional property: Energy
      type: PropertyValue
      value: 0.004
    additional property: Speechiness
      type: PropertyValue
      value: 0.068
    additional property: Acousticness
      type: PropertyValue
      value: 0.996
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.919
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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track: Three Nocturnes, Op. 9: No. 2 in E-Flat Major
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  explicit: false
  by artist: Jeffrey Biegel
  in album: A Pianist’s Journey
    type: MusicAlbum
    date published: 2019-05-10
  genre: classical
  genre: classical piano
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x4dabf4cb610a2d6089ffe933b83002c53ee91272d3070d40d61c325d7ae31978
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960164
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21944414
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T23:23:05Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dabf4cb610a2d6089ffe933b83002c53ee91272d3070d40d61c325d7ae31978. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21944414 — a six-check JSON result.
    date published: 2026-07-29T23:23:05Z
  audio: Three Nocturnes, Op. 9: No. 2 in E-Flat Major
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.403
    additional property: Energy
      type: PropertyValue
      value: 0.004
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.993
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.912
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.066
    additional property: Loudness (dB)
      type: PropertyValue
      value: -35.224
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Cyberecital: An Historic Recording (Live)
type: MusicAlbum
date published: 2019-06-01