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additional property: OTSVerifyInstructions
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  date published: 2026-06-16T07:53:13Z
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track: Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 2. Andante
track: Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 3. Allegro assai
track: Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 1. --

Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 2. Andante
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duration: PT3M53S
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by artist: Johann Sebastian Bach
by artist: András Schiff
by artist: Thierry Fischer
by artist: Catherine Touraire-Stutz
by artist: Chamber Orchestra of Europe
in album: Bach: Complete Keyboard Concertos
  type: MusicAlbum
  date published: 2010-01-01
genre: classical
genre: classical-piano
isrc code: GBF078941217
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b9ffcd3844514f420c29fe4ab34122b59db4e7559c030b7a44ff82a388b301c. 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/GBF078941217.
  date published: 2026-07-08T03:22:41Z
audio: Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 2. Andante
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Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 3. Allegro assai
type: MusicRecording
duration: PT4M48S
duration ms: 288653
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by artist: Johann Sebastian Bach
by artist: András Schiff
by artist: Thierry Fischer
by artist: Catherine Touraire-Stutz
by artist: Chamber Orchestra of Europe
in album: Bach: Complete Keyboard Concertos
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  date published: 2010-01-01
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T20:41:57Z
audio: Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 3. Allegro assai
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Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 1. --
type: MusicRecording
duration: PT7M8S
duration ms: 428160
explicit: false
by artist: Johann Sebastian Bach
by artist: András Schiff
by artist: Thierry Fischer
by artist: Catherine Touraire-Stutz
by artist: Chamber Orchestra of Europe
in album: Bach: Complete Keyboard Concertos
  type: MusicAlbum
  date published: 2010-01-01
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b9abbd13566250c852012cc18c011bf9a8922cbfa075ec773d7da97976724e. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/GBF078941216.
  date published: 2026-07-29T13:09:35Z
audio: Concerto for Harpsichord, 2 Recorders, Strings, and Continuo No. 6 in F, BWV 1057: 1. --
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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