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subject of: OpenTimestamps Proof of Existence
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album: Mompou & Ravel: Reflections
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  date published: 2018-03-23
album: HERE
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-17T19:49:21Z
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track: Tissue No. 7
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Nocturne in B Minor, Op. post., Lento con gran espressione (Arr. for Cello and Piano by M. Maisky)
track: 24 Préludes, Op. 28: No. 4 in E Minor, Largo (Arr. for Cello and Piano by A. Franchomme) [Adapted by C. Thomas]
track: Piano Concerto No. 1 in E Minor, Op. 11: II. Larghetto (Arr. for Cello and Piano by J. Brocal and C. Thomas)
track: Waltz No. 19 in A Minor, KK IVb (Arr. for Cello and Piano by C. Thomas)
track: Nocturnes, Op. 15: No. 1 in F Major, Andante cantabile (Arr. for Cello and Piano by A. Franchomme)
track: Nocturne in C Minor, Andante sostenuto, B. 108 (Arr. for Cello and Piano by C. Thomas)
track: 17 Polish Songs, Op. posth. 74: No. 2, "Spring" (Wiosna), B.116 (Arr. for Cello and Piano by C. Thomas)
track: 24 Préludes, Op. 28: No. 15 in D-Flat Major, ''Raindrop'' (Arr. for Cello and Piano by A. Franchomme)
track: 4 Mazurkas, Op. 68: No. 2 in A Minor, Lento (Arr. for Cello and Piano by C. Thomas)
track: 12 Études, Op. 10: No. 6 in E-Flat Minor (Arr. for Cello and Piano by A. Glazunov)
track: 12 Études, Op. 25: No. 7 in C-Sharp Minor (Arr. for Cello and Piano by A. Glazunov)
track: Nocturnes, Op. 27: No. 1 in C-Sharp Minor, Larghetto (Arr. for Cello and Piano by C. Thomas)
track: 3 Waltzes, Op. 34: No. 2. in A Minor, Lento (Arr. for Cello and Piano by A. Franchomme)
track: Nocturne in E Minor, Op. posth. 72 No. 1 (Arr. for Cello and Piano by S. Taneyev)
track: 4 Mazurkas, Op. 67: No. 4 in A Minor, Moderato animato (Arr. F. Kreisler) [Adapted for Cello and Piano by C. Thomas]
track: 24 Preludes, Op. 28: No. 6 in B Minor, Lento assai (Arr. for Cello and Piano by A. Franchomme)

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Nocturne in B Minor, Op. post., Lento con gran espressione (Arr. for Cello and Piano by M. Maisky)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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24 Préludes, Op. 28: No. 4 in E Minor, Largo (Arr. for Cello and Piano by A. Franchomme) [Adapted by C. Thomas]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Piano Concerto No. 1 in E Minor, Op. 11: II. Larghetto (Arr. for Cello and Piano by J. Brocal and C. Thomas)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Waltz No. 19 in A Minor, KK IVb (Arr. for Cello and Piano by C. Thomas)
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genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: OTSBitcoinBlockVerifyURL
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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 0xfd5939eff9efbd0d0f5cfe4edd459e004cc4b95e4b5a451263f299605ec7c409. 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/FRUM72300823 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Waltz No. 19 in A Minor, KK IVb (Arr. for Cello and Piano by C. Thomas)
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Nocturnes, Op. 15: No. 1 in F Major, Andante cantabile (Arr. for Cello and Piano by A. Franchomme)
type: MusicRecording
duration: PT5M48S
duration ms: 348360
explicit: false
by artist: Frédéric Chopin
by artist: Camille Thomas
by artist: Julien Brocal
in album: The Chopin Project : Trilogy
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  date published: 2023-06-09
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
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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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  date published: 2026-07-29T11:07:37Z
audio: Nocturnes, Op. 15: No. 1 in F Major, Andante cantabile (Arr. for Cello and Piano by A. Franchomme)
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Nocturne in C Minor, Andante sostenuto, B. 108 (Arr. for Cello and Piano by C. Thomas)
type: MusicRecording
duration: PT3M56S
duration ms: 236853
explicit: false
by artist: Frédéric Chopin
by artist: Camille Thomas
by artist: Julien Brocal
in album: The Chopin Project : Trilogy
  type: MusicAlbum
  date published: 2023-06-09
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: FRUM72300825
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb87966d7c82dcb32dfa1388e8107a7736e37b086dd9ad9b17ed7261ca97b35. 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/FRUM72300825 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Nocturne in C Minor, Andante sostenuto, B. 108 (Arr. for Cello and Piano by C. Thomas)
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17 Polish Songs, Op. posth. 74: No. 2, "Spring" (Wiosna), B.116 (Arr. for Cello and Piano by C. Thomas)
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duration: PT2M22S
duration ms: 142200
explicit: false
by artist: Frédéric Chopin
by artist: Camille Thomas
by artist: Julien Brocal
in album: The Chopin Project : Trilogy
  type: MusicAlbum
  date published: 2023-06-09
genre: classical
genre: early-romantic-era
genre: polish-classical
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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
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x518a2803b2fd24e62cd6a259c832de27ae74cf3ab3948586297bd0ed248e8834. 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/FRUM72300826 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: 17 Polish Songs, Op. posth. 74: No. 2, "Spring" (Wiosna), B.116 (Arr. for Cello and Piano by C. Thomas)
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24 Préludes, Op. 28: No. 15 in D-Flat Major, ''Raindrop'' (Arr. for Cello and Piano by A. Franchomme)
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duration: PT6M13S
duration ms: 373106
explicit: false
by artist: Frédéric Chopin
by artist: Camille Thomas
by artist: Julien Brocal
in album: The Chopin Project : Trilogy
  type: MusicAlbum
  date published: 2023-06-09
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: FRUM72300827
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 0x5397681e1afff38c55e30e233c0991e119ad10b019b20c4e44a498d7cec5600d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/FRUM72300827 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: 24 Préludes, Op. 28: No. 15 in D-Flat Major, ''Raindrop'' (Arr. for Cello and Piano by A. Franchomme)
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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4 Mazurkas, Op. 68: No. 2 in A Minor, Lento (Arr. for Cello and Piano by C. Thomas)
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duration: PT2M40S
duration ms: 160933
explicit: false
by artist: Frédéric Chopin
by artist: Camille Thomas
by artist: Julien Brocal
in album: The Chopin Project : Trilogy
  type: MusicAlbum
  date published: 2023-06-09
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: FRUM72300828
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
  value: 2026-07-06T06:56:49Z
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 0xcc66e6e7609b5155798836ec1df4424521b3de92734f37930ecae933d87ab8b7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FRUM72300828 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: 4 Mazurkas, Op. 68: No. 2 in A Minor, Lento (Arr. for Cello and Piano by C. Thomas)
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12 Études, Op. 10: No. 6 in E-Flat Minor (Arr. for Cello and Piano by A. Glazunov)
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duration: PT3M23S
duration ms: 203733
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by artist: Frédéric Chopin
by artist: Camille Thomas
by artist: Julien Brocal
in album: The Chopin Project : Trilogy
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  date published: 2023-06-09
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: FRUM72300829
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
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12 Études, Op. 25: No. 7 in C-Sharp Minor (Arr. for Cello and Piano by A. Glazunov)
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  date published: 2026-07-29T19:35:34Z
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Nocturnes, Op. 27: No. 1 in C-Sharp Minor, Larghetto (Arr. for Cello and Piano by C. Thomas)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
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3 Waltzes, Op. 34: No. 2. in A Minor, Lento (Arr. for Cello and Piano by A. Franchomme)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
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Nocturne in E Minor, Op. posth. 72 No. 1 (Arr. for Cello and Piano by S. Taneyev)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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4 Mazurkas, Op. 67: No. 4 in A Minor, Moderato animato (Arr. F. Kreisler) [Adapted for Cello and Piano by C. Thomas]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:23:05Z
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24 Preludes, Op. 28: No. 6 in B Minor, Lento assai (Arr. for Cello and Piano by A. Franchomme)
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  date published: 2026-07-29T19:35:34Z
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