Per Enoksson
type: MusicGroup
genre: avant-garde
genre: chamber music
popularity: 3
followers: 38
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T15:45:29Z
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album: Messiaen: Quartet for the End of Time / Martinu: Oboe Quartet / Schoenberg: Ein Stelldichein
  type: MusicAlbum
  date published: 1997-01-01
track: Lyriska dikter: II. Andante sostenuto (Arr. For violin and piano)
  type: MusicRecording
  duration: PT5M25S
  duration ms: 325080
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  by artist: Emil Sjögren
  by artist: Per Enoksson
  by artist: Kathryn Stott
  in album: Sjogren: Violin Sonatas Nos. 1 in G Minor and 2 in E Minor
    type: MusicAlbum
    date published: 2000-06-01
  genre: swedish-classical
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEJ9895060
  additional property: OTSTimestamp
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    value: 2026-07-30T17:41:38Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9333fae7d680d2f5eb1da4b54c408df0c9898ec32a4512121bd3d39cd95ba9d2. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/SEAEJ9895060.
    date published: 2026-07-30T17:41:38Z
  audio: Lyriska dikter: II. Andante sostenuto (Arr. For violin and piano)
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    additional property: Liveness
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