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genre: neoclassical
genre: opera
popularity: 2
followers: 6
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T23:40:06Z
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album: Gluck: Opera Gala
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  track: Alceste, Wq. 44 (Excerpts): Vivez, aimez des jours
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    by artist: Bavarian Radio Symphony Orchestra
    by artist: Serge Baudo
    by artist: Nicolai Gedda
    by artist: Robert Gambill
    in album: Gluck: Opera Gala
      type: MusicAlbum
      date published: 2020-12-04
    popularity: 16
    genre: classical
    genre: opera
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:30:09Z
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  track: Orfeo ed Euridice, Wq. 30 (Excerpts): Chiamo il mio ben così
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    in album: Gluck: Opera Gala
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      date published: 2020-12-04
    popularity: 2
    genre: classical
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T08:56:20Z
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  track: Orfeo ed Euridice, Wq. 30 (Excerpts): Vieni appange il tuo consorte
  track: Alceste, Wq. 44 (Excerpts): A mes amis
  track: Iphigénie en Tauride, Wq. 46 (Excerpts): O Diane, sois-nous propice
  track: Iphigénie en Tauride, Wq. 46 (Excerpts): Les Dieux longtemps en courroux
  track: Le cinesi, Wq. 18 (Excerpts): Son lungi e non mi brami
  track: Le cinesi, Wq. 18 (Excerpts): Voli il piede in lieti giri

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Valence (Positivity)
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Orfeo ed Euridice, Wq. 30 (Excerpts): Vieni appange il tuo consorte
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by artist: Christoph Willibald Gluck
by artist: Cappella Coloniensis
by artist: Ferdinand Leitner
by artist: Elisabeth Söderström
by artist: Dietrich Fischer-Dieskau
in album: Gluck: Opera Gala
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  date published: 2020-12-04
popularity: 2
genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Alceste, Wq. 44 (Excerpts): A mes amis
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by artist: Bavarian Radio Symphony Orchestra
by artist: Serge Baudo
by artist: Nicolai Gedda
by artist: Jessye Norman
in album: Gluck: Opera Gala
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  date published: 2020-12-04
popularity: 3
genre: classical
genre: opera
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Iphigénie en Tauride, Wq. 46 (Excerpts): O Diane, sois-nous propice
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Iphigénie en Tauride, Wq. 46 (Excerpts): Les Dieux longtemps en courroux
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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