Geoffrey Arnold
type: MusicGroup
genre: opera
popularity: 3
followers: 3
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T23:05:13Z
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track: Samson et Dalila, Op. 47, Act II: Mon coeur s'ouvre a ta voix
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  duration: PT5M43S
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  by artist: Camille Saint-Saëns
  by artist: Geoffrey Arnold
  by artist: Lauris Elms
  by artist: West Australian Symphony Orchestra
  in album: The 50 Most Essential Classics of the Romantic Era
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    date published: 2011-02-08
  genre: classical
  genre: late-romantic-era
  genre: french-romanticism
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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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    date published: 2026-07-02T03:55:08Z
  audio: Samson et Dalila, Op. 47, Act II: Mon coeur s'ouvre a ta voix
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