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additional property: OTSVerificationAPI
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e26df6f528f45fe778f2d8f147a0b207dddbfe070e7651b4ed25ccedeaacc05. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240204.
  date published: 2026-07-08T08:56:20Z
audio: Cello Sonata in A Major, Op. 5 No. 1, H. 103: IV. Allegro
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  additional property: Valence (Positivity)
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Cello Sonata in D Minor, Op. 5 No. 2, H. 104: II. Presto
type: MusicRecording
duration: PT2M31S
duration ms: 151236
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
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  date published: 2023-11-07
popularity: 3
isrc code: DEB202240207
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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240207
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Cello Sonata in D Minor, Op. 5 No. 2, H. 104: II. Presto
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  additional property: Valence (Positivity)
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Cello Sonata in C Major, Op. 5 No. 3, H. 105: I. Andante
type: MusicRecording
duration: PT1M39S
duration ms: 99226
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 2
isrc code: DEB202240211
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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93dd830c29ce477dccf11baa3668725130d9d574095b61e050e925d80e5496e2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240211.
  date published: 2026-07-08T03:22:41Z
audio: Cello Sonata in C Major, Op. 5 No. 3, H. 105: I. Andante
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  additional property: Acousticness
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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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Cello Sonata in C Major, Op. 5 No. 3, H. 105: II. Allegro
type: MusicRecording
duration: PT3M25S
duration ms: 205740
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 2
isrc code: DEB202240212
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240212
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a8030fba8847256f65de21bcc8975eb78d506ac548a7f0d2b91e50e244d6b3f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240212.
  date published: 2026-07-08T08:56:20Z
audio: Cello Sonata in C Major, Op. 5 No. 3, H. 105: II. Allegro
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  additional property: Mode (Major/Minor)
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Cello Sonata in C Major, Op. 5 No. 3, H. 105: III. Affettuoso
type: MusicRecording
duration: PT3M34S
duration ms: 214586
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 2
isrc code: DEB202240213
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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cello Sonata in C Major, Op. 5 No. 3, H. 105: III. Affettuoso
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  additional property: Key Name
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Cello Sonata in C Major, Op. 5 No. 3, H. 105: IV. Allegro
type: MusicRecording
duration: PT3M26S
duration ms: 206361
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
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popularity: 2
isrc code: DEB202240214
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
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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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in C Major, Op. 5 No. 3, H. 105: IV. Allegro
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Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: II. Allegro moderato
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duration: PT4M18S
duration ms: 258518
explicit: false
by artist: Francesco Geminiani
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by artist: Thomas C. Boysen
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popularity: 2
isrc code: DEB202240216
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: II. Allegro moderato
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Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: III. Grave
type: MusicRecording
duration: PT1M8S
duration ms: 68533
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
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popularity: 3
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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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: III. Grave
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Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: IV. Allegro
type: MusicRecording
duration: PT1M3S
duration ms: 63005
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
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popularity: 2
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: IV. Allegro
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Cello Sonata in F Major, Op. 5 No. 5, H. 107: I. Adagio
type: MusicRecording
duration: PT0M39S
duration ms: 39560
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
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popularity: 2
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240220
additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae1fd7ccb3ad6220a37eb7db9660a3fd00fb5899a0d3ba8401577b1288fa6e5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240220.
  date published: 2026-07-08T08:56:20Z
audio: Cello Sonata in F Major, Op. 5 No. 5, H. 107: I. Adagio
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Cello Sonata in F Major, Op. 5 No. 5, H. 107: II. Allegro moderato
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duration: PT1M35S
duration ms: 95506
explicit: false
by artist: Francesco Geminiani
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by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
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popularity: 2
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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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in F Major, Op. 5 No. 5, H. 107: II. Allegro moderato
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Cello Sonata in A Major, Op. 5 No. 1, H. 103: I. Andante
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duration: PT2M14S
duration ms: 134679
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 3
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c73714b62968f95eebde20e409ad1ebf50b38f2bfe2f4849311ffbbfbfca31e. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240201.
  date published: 2026-07-30T22:27:30Z
audio: Cello Sonata in A Major, Op. 5 No. 1, H. 103: I. Andante
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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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

Cello Sonata in D Minor, Op. 5 No. 2, H. 104: I. Andante
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duration: PT2M19S
duration ms: 139440
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 3
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab118d469fd62d878976966e8e6b18013a4a3ad0bbab6d046d34b836adbf88b9. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240206.
  date published: 2026-07-30T18:46:00Z
audio: Cello Sonata in D Minor, Op. 5 No. 2, H. 104: I. Andante
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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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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Cello Sonata in D Minor, Op. 5 No. 2, H. 104: III. Adagio
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  date published: 2026-07-31T09:50:37Z
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Cello Sonata in D Minor, Op. 5 No. 2, H. 104: IV. Allegro
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  date published: 2026-07-31T09:50:37Z
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Cello Sonata in F Major, Op. 5 No. 5, H. 107: III. Adagio
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Cello Sonata in F Major, Op. 5 No. 5, H. 107: IV. Allegro
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Cello Sonata in A Minor, Op. 5 No. 6, H. 108: I. Adagio
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  date published: 2026-07-31T21:25:57Z
audio: Cello Sonata in A Minor, Op. 5 No. 6, H. 108: I. Adagio
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Cello Sonata in A Minor, Op. 5 No. 6, H. 108: II. Allegro assai - III. Grave
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  date published: 2026-07-31T15:20:15Z
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Cello Sonata in A Minor, Op. 5 No. 6, H. 108: IV. Allegro
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  date published: 2026-07-31T17:29:52Z
audio: Cello Sonata in A Minor, Op. 5 No. 6, H. 108: IV. Allegro
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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

Cello Sonata in E Minor, RV 40: I. Largo
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by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
in album: Vivaldi: Sonatas for Cello & Basso Continuo
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isrc code: FR7JM1770010
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Cello Sonata in E Minor, RV 40: I. Largo
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Cello Sonata in E Minor, RV 40: II. Allegro
type: MusicRecording
duration: PT2M49S
duration ms: 169920
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
isrc code: FR7JM1770020
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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38027be019df5eae64eceda46d53cfcdf58f0a378afa23e3785d607f2aae12ad. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770020.
  date published: 2026-07-02T05:09:12Z
audio: Cello Sonata in E Minor, RV 40: II. Allegro
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Cello Sonata in E Minor, RV 40: III. Largo
type: MusicRecording
duration: PT2M34S
duration ms: 154946
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
isrc code: FR7JM1770030
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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Cello Sonata in E Minor, RV 40: III. Largo
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Cello Sonata in A Minor, RV 43: II. Allegro
type: MusicRecording
duration: PT3M26S
duration ms: 206253
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
by artist: Lee Santana
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
isrc code: FR7JM1770100
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a094783093f0680b0f2473ee955c6ec65aae4a313930e38a6aee874aec89b3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770100.
  date published: 2026-07-08T03:22:41Z
audio: Cello Sonata in A Minor, RV 43: II. Allegro
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Cello Sonata in F Major, RV 41: I. Largo
type: MusicRecording
duration: PT2M50S
duration ms: 170933
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
by artist: Lee Santana
in album: Vivaldi: Sonatas for Cello & Basso Continuo
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  date published: 2018-09-07
isrc code: FR7JM1770170
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
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4286315d9e1109cb3cfe033b03368df14400614d2ce9190e07387af776c0c5e8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770170.
  date published: 2026-07-08T03:22:41Z
audio: Cello Sonata in F Major, RV 41: I. Largo
  type: AudioObject
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  additional property: Danceability
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Cello Sonata in F Major, RV 41: III. Largo
type: MusicRecording
duration: PT3M35S
duration ms: 215386
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Christoph Dangel
by artist: Lee Santana
in album: Vivaldi: Sonatas for Cello & Basso Continuo
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  date published: 2018-09-07
isrc code: FR7JM1770190
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
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cello Sonata in F Major, RV 41: III. Largo
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Cello Sonata in B-Flat Major, RV 46: III. Largo
type: MusicRecording
duration: PT2M11S
duration ms: 131186
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Christoph Dangel
in album: Vivaldi: Sonatas for Cello & Basso Continuo
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x159cce6bedcedeaff80d6a028a4dede29f157d01447f28f541d8d19320dcb04a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770230.
  date published: 2026-07-08T03:22:41Z
audio: Cello Sonata in B-Flat Major, RV 46: III. Largo
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Cello Sonata in E Minor, RV 40: IV. Allegro
type: MusicRecording
duration: PT2M23S
duration ms: 143853
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ebad139f2c6cebfb5af4abc11bcf3fe145b14a3fca983a3c0e482617784451. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:48:08Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770040.
  date published: 2026-07-22T16:48:08Z
audio: Cello Sonata in E Minor, RV 40: IV. Allegro
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  additional property: Musical Key
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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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  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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isrc code: FR7JM1770040
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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

Cello Sonata in A Minor, RV 43: I. Largo
type: MusicRecording
duration: PT3M38S
duration ms: 218160
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83278bfa07696f3dafbb4ad2406e31afd1e0d748482a9c6e163135bfbea37d02. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770090.
  date published: 2026-07-30T05:15:54Z
audio: Cello Sonata in A Minor, RV 43: I. Largo
  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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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: FR7JM1770090
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Cello Sonata in A Minor, RV 43: III. Largo
type: MusicRecording
duration: PT3M44S
duration ms: 224986
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
by artist: Lee Santana
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa49c3539e117713334ccdc37381b8f1cb8b4c0e8ccadef05f5ae5813f5bc66c7. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770110.
  date published: 2026-07-30T09:58:01Z
audio: Cello Sonata in A Minor, RV 43: III. Largo
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  additional property: Mode (Major/Minor)
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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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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: FR7JM1770110
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Cello Sonata in A Minor, RV 43: IV. Allegro
type: MusicRecording
duration: PT3M8S
duration ms: 188466
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc247e04907ddd066ccd55682b4aac0c466ae896e6075ce401b9fa3c177a0e0b6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770120.
  date published: 2026-07-30T14:36:16Z
audio: Cello Sonata in A Minor, RV 43: IV. Allegro
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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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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: FR7JM1770120
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Cello Sonata in B-Flat Major, RV 45: I. Largo
type: MusicRecording
duration: PT3M24S
duration ms: 204013
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13afe1fa0ec5abbd3060c64c499c1826b53d10ccc13b85f10b525b986ce9f37b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770130.
  date published: 2026-07-30T14:36:16Z
audio: Cello Sonata in B-Flat Major, RV 45: I. Largo
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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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  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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isrc code: FR7JM1770130
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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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: 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

Cello Sonata in F Major, RV 41: II. Allegro
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duration: PT2M45S
duration ms: 165520
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
by artist: Lee Santana
in album: Vivaldi: Sonatas for Cello & Basso Continuo
  type: MusicAlbum
  date published: 2018-09-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb166c007a86973b290b7b97fe9d021d8adcb7db0a8b2b21abf27342dda0479bc. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1770180.
  date published: 2026-07-30T18:23:33Z
audio: Cello Sonata in F Major, RV 41: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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additional property: OTSVerifyInstructions
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Cello Sonata in F Major, RV 41: IV. Allegro
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duration: PT2M47S
duration ms: 167613
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by artist: Antonio Vivaldi
by artist: Jean-Guihen Queyras
by artist: Michael Behringer
by artist: Christoph Dangel
by artist: Lee Santana
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  date published: 2026-07-30T15:42:38Z
audio: Cello Sonata in F Major, RV 41: IV. Allegro
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Trio No. 1 in E Minor: I. Allegro non tanto
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duration: PT5M27S
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by artist: Christoph Dangel
by artist: Stefan Preyer
by artist: Katya Polin
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: Trio No. 1 in E Minor: I. Allegro non tanto
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Trio No. 1 in E Minor: II. Andante grazioso
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duration: PT2M40S
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explicit: false
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by artist: Christoph Dangel
by artist: Stefan Preyer
by artist: Katya Polin
in album: Trio No. 1 in E Minor
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: Trio No. 1 in E Minor: II. Andante grazioso
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Waltz in B Minor, Op. 69, No. 2
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by artist: Olga Scheps
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Waltz in B Minor, Op. 69, No. 2
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String Quintet in E Major, Op. 11, No. 5, G. 275: III. Minuetto con un poco di moto - Trio
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duration: PT3M55S
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by artist: Luigi Boccherini
by artist: The Smithsonian Chamber Players
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: String Quintet in E Major, Op. 11, No. 5, G. 275: III. Minuetto con un poco di moto - Trio
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Bomba de la noche
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by artist: Klazz Brothers
by artist: Cuba Percussion
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subject of: OpenTimestamps Proof of Existence
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audio: Bomba de la noche
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Solomon, HWV 37: The Arrival of the Queen of Sheba
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popularity: 1
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Sobre las Olas
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Piano Concerto No. 21 in C Major, K. 467: II. Andante (Arranged for Violin & Orchestra)
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Teseo, HWV 9: M'adora l'idol mio
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1824 - Hummel, Romberg, Rossini & Schubert
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Vivaldi: Sonatas for Cello & Basso Continuo
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