Dufraine
type: MusicGroup
genre: acid house
genre: acid techno
genre: breakbeat
popularity: 4
followers: 372
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1012b1d518a5f60697b041e13805878d66d3cf636081ce23939465034542676
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954043
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3fad3876-599d-4a87-88c8-8bd2b311193a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3fad3876-599d-4a87-88c8-8bd2b311193a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3fad3876-599d-4a87-88c8-8bd2b311193a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:15:20Z
additional property: OTSCanonicalRecord
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1012b1d518a5f60697b041e13805878d66d3cf636081ce23939465034542676. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3fad3876-599d-4a87-88c8-8bd2b311193a.json and https://artists.proofprofile.net/proofs/artist/3fad3876-599d-4a87-88c8-8bd2b311193a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Index
  type: MusicAlbum
  date published: 2021-03-05
album: Index
  type: MusicAlbum
  date published: 2021-03-05
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  type: MusicAlbum
  date published: 2021-10-06
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  type: MusicAlbum
  date published: 2022-10-07
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  type: MusicAlbum
  date published: 2024-01-12
album: Uber XL EP
  type: MusicAlbum
  date published: 2024-01-26
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  type: MusicAlbum
  date published: 2024-02-29
album: Piece of Mind
  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-10-18