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genre: opera
popularity: 12
followers: 296
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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album: Salieri: Tarare
  type: MusicAlbum
  date published: 2019-06-07
album: Salieri: Les Horaces
  type: MusicAlbum
  date published: 2016
album: Méhul: Uthal
  type: MusicAlbum
  date published: 2017-02-10
album: Severac: Le Coeur du moulin
  type: MusicAlbum
  date published: 2013-03-01
album: Sacchini: Renaud
  type: MusicAlbum
  date published: 2013
album: Bordes: Mélodies - Oeuvres pour piano
  type: MusicAlbum
  date published: 2013-03-01
album: Jules Massenet: Ariane
  type: MusicAlbum
  date published: 2023-09-08
album: Chill with Mozart (Enjoy the coolest melodies of Wolfgang Amadeus Mozart)
  type: MusicAlbum
  date published: 2017-11-24
album: Boesmans: On purge bébé ! Opera in One Act
  type: MusicAlbum
  date published: 2023-09-08
album: On purge bébé !, Scène 2: Îles qui bordent le nord de l’Écosse
  type: MusicAlbum
  date published: 2023-08-11
album: Lalo & Coquard: La jacquerie
  type: MusicAlbum
  date published: 2016-09-02
album: Stravinsky: Le Rossignol
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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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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:55:08Z
    audio: Stravinsky: Le Rossignol, Act 1: "Porté au vent, tombant au loin" (Le Pêcheur)
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  track: Stravinsky: Le Rossignol, Act 1: "Voici l'endroit, près de ces arbres" (La Cuisinière, Courtisans, Le Chambellan, Le Bonze, Le Rossignol)
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album: Gluck: Iphigénie en Aulide
album: Charles Gounod: Faust
album: Mozart: Don Giovanni
album: Les Indes Galantes
album: Rameau: Les Surprises de l'Amour
album: Rodolphe Kreutzer: La mort d'Abel
album: Vogel: La Toison d’or
album: A Guided Tour of the Romantic Era, Vol. 13
album: Pierne, G.: Sophie Arnould / Ballet De Cour

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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Stravinsky: Le Rossignol, Act 1: "Ah ! Ah ! Ah !" (Le Rossignol, Le Pêcheur)
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Stravinsky: Le Rossignol, Act 1: "Voici l'endroit, près de ces arbres" (La Cuisinière, Courtisans, Le Chambellan, Le Bonze, Le Rossignol)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T08:41:42Z
audio: Stravinsky: Le Rossignol, Act 1: "Voici l'endroit, près de ces arbres" (La Cuisinière, Courtisans, Le Chambellan, Le Bonze, Le Rossignol)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T15:39:05Z
audio: Stravinsky: Le Rossignol, Act 2: Chanson du rossignol. "Ah, joie, emplis mon cœur" (Le Rossignol, L'Empereur, Courtisans, Le Chambellan)
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Gluck: Iphigénie en Aulide
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Charles Gounod: Faust
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Mozart: Don Giovanni
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Les Indes Galantes
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Rameau: Les Surprises de l'Amour
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Rodolphe Kreutzer: La mort d'Abel
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Vogel: La Toison d’or
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A Guided Tour of the Romantic Era, Vol. 13
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Pierne, G.: Sophie Arnould / Ballet De Cour
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