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type: MusicGroup
genre: opera
popularity: 4
followers: 14
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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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: 2026-06-17T08:10:43Z
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track: Candide, Act I: No. 9, Auto-da-fé
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  by artist: Leonard Bernstein
  by artist: Adolph Green
  by artist: John Treleavan
  by artist: Neil Jenkins
  by artist: Jerry Hadley
  by artist: Lindsay Benson
  by artist: Richard Suart
  by artist: Clive Bayley
  by artist: London Symphony Chorus
  by artist: London Symphony Orchestra
  in album: Bernstein: West Side Story; Candide
    type: MusicAlbum
    date published: 1995-01-01
  popularity: 0
  genre: classical
  genre: orchestra
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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
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x050a3e813e3fd16f85f889fd126e0ca7ba24728975dc6da03ab664133046fcd8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEF058931810.
    date published: 2026-07-08T08:56:20Z
  audio: Candide, Act I: No. 9, Auto-da-fé
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    additional property: Speechiness
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    additional property: Valence (Positivity)
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track: Candide, Act I: No. 9, Auto-da-fé
  type: MusicRecording
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  by artist: Leonard Bernstein
  by artist: Adolph Green
  by artist: John Treleavan
  by artist: Neil Jenkins
  by artist: Jerry Hadley
  by artist: Lindsay Benson
  by artist: Richard Suart
  by artist: Clive Bayley
  by artist: London Symphony Chorus
  by artist: London Symphony Orchestra
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    type: MusicAlbum
    date published: 1991-01-01
  genre: classical
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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: 2026-07-02T11:34:59Z
  audio: Candide, Act I: No. 9, Auto-da-fé
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    additional property: Valence (Positivity)
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track: Candide, Act II: No. 25, The Kings' Barcarolle
track: Candide, Act II: No. 27, What's the Use

Candide, Act II: No. 25, The Kings' Barcarolle
type: MusicRecording
duration: PT3M53S
duration ms: 233000
explicit: false
by artist: Leonard Bernstein
by artist: Neil Jenkins
by artist: Jerry Hadley
by artist: John Treleavan
by artist: Lindsay Benson
by artist: Clive Bayley
by artist: Richard Suart
by artist: Adolph Green
by artist: London Symphony Orchestra
in album: Bernstein: Candide
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: orchestra
isrc code: DEF058931830
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Candide, Act II: No. 25, The Kings' Barcarolle
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Candide, Act II: No. 27, What's the Use
type: MusicRecording
duration: PT4M30S
duration ms: 270000
explicit: false
by artist: Leonard Bernstein
by artist: Christa Ludwig
by artist: Nicolai Gedda
by artist: John Treleavan
by artist: Kurt Ollmann
by artist: London Symphony Chorus
by artist: London Symphony Orchestra
in album: Bernstein: Candide
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: orchestra
isrc code: DEF058931815
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11c687a7d1c7a8330652e1b245780ee6b8dcd63df8272f22a9318c0c6f1fa3d0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEF058931815.
  date published: 2026-07-08T03:20:19Z
audio: Candide, Act II: No. 27, What's the Use
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Danceability
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Energy
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Mode Name
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