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type: MusicGroup
genre: opera
popularity: 6
followers: 10
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b630211885b60d0f5f36b333db2509dc7380a2b4bbff72d6730e06b89638e9b. Chain 2 (Bitcoin): anchored in block 953923 (2026-06-16T09:51:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1bd9f2db-baa5-4dc0-be4e-69ebe48c4fb7.json and https://artists.proofprofile.net/proofs/artist/1bd9f2db-baa5-4dc0-be4e-69ebe48c4fb7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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track: Suor Angelica: Sorelle in umiltà, mancaste alla quindena
track: Suor Angelica: O sorelle in pio lavoro
track: Suor Angelica: Ho un desiderio anch'io!

Suor Angelica: Sorelle in umiltà, mancaste alla quindena
type: MusicRecording
duration: PT6M34S
duration ms: 394600
explicit: false
by artist: Giacomo Puccini
by artist: Elizabeth Connell
by artist: Helen Walker
by artist: Doreen Walker
by artist: Enid Hartle
by artist: Marie McLaughlin
by artist: Isobel Buchanan
by artist: Miriam Bowen
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Puccini: Suor Angelica
  type: MusicAlbum
  date published: 1998-01-01
isrc code: GBF077812180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9460537e813223dadba23392e594fc23fc20001097852079ba9fba50ba94c45d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBF077812180.
  date published: 2026-07-02T03:55:08Z
audio: Suor Angelica: Sorelle in umiltà, mancaste alla quindena
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  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.253
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Key Name
    type: PropertyValue
    value: D
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Suor Angelica: O sorelle in pio lavoro
type: MusicRecording
duration: PT3M54S
duration ms: 234266
explicit: false
by artist: Giacomo Puccini
by artist: Isobel Buchanan
by artist: Dame Joan Sutherland
by artist: Elizabeth Connell
by artist: Miriam Bowen
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Puccini: Suor Angelica
  type: MusicAlbum
  date published: 1998-01-01
isrc code: GBF077812190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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additional property: OTSTimestamp
  type: PropertyValue
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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
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Suor Angelica: O sorelle in pio lavoro
  type: AudioObject
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  additional property: Key Name
    type: PropertyValue
    value: Bb
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    type: PropertyValue
    value: Minor

Suor Angelica: Ho un desiderio anch'io!
type: MusicRecording
duration: PT4M23S
duration ms: 263666
explicit: false
by artist: Giacomo Puccini
by artist: Della Jones
by artist: Isobel Buchanan
by artist: Dame Joan Sutherland
by artist: Miriam Bowen
by artist: Janet Price
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Puccini: Suor Angelica
  type: MusicAlbum
  date published: 1998-01-01
isrc code: GBF077812200
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
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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
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x428ce2f40f1736413b3c6026a245a3dc04ee17b596e6da3488976b3fa07322ea. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBF077812200.
  date published: 2026-07-02T05:09:12Z
audio: Suor Angelica: Ho un desiderio anch'io!
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