Orchestra Of The Teatro Regio Di Torino
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genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-19T03:51:26Z
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album: La Fanciulla Del West
  type: MusicAlbum
  date published: 2000-01-01
track: Norma: Act I, "Casta Diva" (Norma, Chorus)
track: Norma: Act I, "Fine al rito, e il sacro bosco" (Norma)
track: Norma: Act I, "Ah! Bello a me ritorna" (Norma, Chorus)

Norma: Act I, "Casta Diva" (Norma, Chorus)
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duration: PT7M19S
duration ms: 439333
explicit: false
by artist: Vincenzo Bellini
by artist: Montserrat Caballé
by artist: Orchestra Of The Teatro Regio Di Torino
by artist: Chorus Of The Teatro Regio Di Torino
by artist: Giuseppe Patanè
in album: Bellini: Norma
  type: MusicAlbum
  date published: 2009-07-14
genre: opera
isrc code: USY9R0913121
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Norma: Act I, "Casta Diva" (Norma, Chorus)
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Norma: Act I, "Fine al rito, e il sacro bosco" (Norma)
type: MusicRecording
duration: PT1M28S
duration ms: 88666
explicit: false
by artist: Vincenzo Bellini
by artist: Montserrat Caballé
by artist: Orchestra Of The Teatro Regio Di Torino
by artist: Giuseppe Patanè
in album: Bellini: Norma
  type: MusicAlbum
  date published: 2009-07-14
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T23:30:38Z
audio: Norma: Act I, "Fine al rito, e il sacro bosco" (Norma)
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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

Norma: Act I, "Ah! Bello a me ritorna" (Norma, Chorus)
type: MusicRecording
duration: PT3M0S
duration ms: 180333
explicit: false
by artist: Vincenzo Bellini
by artist: Montserrat Caballé
by artist: Orchestra Of The Teatro Regio Di Torino
by artist: Chorus Of The Teatro Regio Di Torino
by artist: Giuseppe Patanè
in album: Bellini: Norma
  type: MusicAlbum
  date published: 2009-07-14
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T20:35:49Z
audio: Norma: Act I, "Ah! Bello a me ritorna" (Norma, Chorus)
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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