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genre: opera
popularity: 17
followers: 6
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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 0x24ad77268deaca65820c86aa96211fab29753ef40a1b95a8e4e2b627c877d3a9. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/788391e5-28e4-47de-9e37-90f3f12d00f1.json and https://artists.proofprofile.net/proofs/artist/788391e5-28e4-47de-9e37-90f3f12d00f1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
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track: La boheme, Act II: Quando m'en vo' soletta, "Musetta's Waltz"

La boheme, Act II: Quando m'en vo' soletta, "Musetta's Waltz"
type: MusicRecording
duration: PT4M59S
duration ms: 299400
explicit: false
by artist: Giacomo Puccini
by artist: Luba Orgonasova
by artist: Carmen Gonzales
by artist: Jonathan Welch
by artist: Fabio Previati
by artist: Boaz Senator
by artist: Ivan Urbas
by artist: Jiri Sulzenko
by artist: Slovak Radio Symphony Orchestra
by artist: Will Humburg
in album: O Mio Babbino Caro - Famous Soprano Arias From Italian Opera
  type: MusicAlbum
  date published: 2001-10-01
isrc code: HKI199287308
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
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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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1b1e2101639e6a7e94e0b9765427402ddbd984c3f469a2d6467ec95e0f8e9b. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/HKI199287308.
  date published: 2026-07-07T16:07:00Z
audio: La boheme, Act II: Quando m'en vo' soletta, "Musetta's Waltz"
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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    value: A
  additional property: Mode Name
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