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type: MusicGroup
genre: opera
popularity: 10
followers: 8
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf728e45c8154fdd428b2fca2053443c627626ab470a13629b8c1f2ec891e81c7. Chain 2 (Bitcoin): anchored in block 954047 (2026-06-17T04:56:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/40e90d33-2281-48ed-83f7-141534c12c4e.json and https://artists.proofprofile.net/proofs/artist/40e90d33-2281-48ed-83f7-141534c12c4e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T04:56:08Z
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track: Macbeth: Preludio
track: Macbeth: Act IV: Una macchia e qui tutt'ora (Lady Macbeth, a Doctor, a Lady's Maid)

Macbeth: Preludio
type: MusicRecording
duration: PT2M53S
duration ms: 173666
explicit: false
by artist: Giuseppe Verdi
by artist: Giuseppe Altomare
by artist: Olha Zhuravel
by artist: Pavel Kudinov
by artist: Rubens Pelizzari
by artist: Marco Voleri
by artist: Luca Dall'Amico
by artist: William Corro
by artist: Andrea Pistolesi
by artist: Coro Lirico Marchigiano 'V. Bellini'
by artist: Marchigiana Philharmonic Orchestra
by artist: Daniele Callegari
in album: Verdi, G.: Macbeth (Sferisterio Opera Festival, 2007)
  type: MusicAlbum
  date published: 2009-09-29
popularity: 19
genre: classical
genre: opera
isrc code: HKI190870101
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32173172989f238a9367ca5bc368b8f966ac16f15f0fc626114e3fe2310e56f8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/HKI190870101.
  date published: 2026-06-13T13:32:09Z
audio: Macbeth: Preludio
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  additional property: Tempo (BPM)
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  additional property: Danceability
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  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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Macbeth: Act IV: Una macchia e qui tutt'ora (Lady Macbeth, a Doctor, a Lady's Maid)
type: MusicRecording
duration: PT6M20S
duration ms: 380693
explicit: false
by artist: Giuseppe Verdi
by artist: Giuseppe Altomare
by artist: Olha Zhuravel
by artist: Pavel Kudinov
by artist: Rubens Pelizzari
by artist: Marco Voleri
by artist: Luca Dall'Amico
by artist: William Corro
by artist: Andrea Pistolesi
by artist: Coro Lirico Marchigiano 'V. Bellini'
by artist: Marchigiana Philharmonic Orchestra
by artist: Daniele Callegari
in album: Verdi, G.: Macbeth (Sferisterio Opera Festival, 2007)
  type: MusicAlbum
  date published: 2009-09-29
popularity: 10
genre: classical
genre: opera
isrc code: HKI190870210
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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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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50e9146693e42c3314885bdcd79f854776551e818f59ea5161d5105f82e13df2. 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/HKI190870210.
  date published: 2026-07-02T03:55:08Z
audio: Macbeth: Act IV: Una macchia e qui tutt'ora (Lady Macbeth, a Doctor, a Lady's Maid)
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