Victor Duhamel
type: MusicGroup
popularity: 14
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x587b6fade9e1836b4688f4d1f23016d79de816e4235d6656da9ba63be39fcddf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ba73ba3-fc04-46f8-85f9-35770fdaa653.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ba73ba3-fc04-46f8-85f9-35770fdaa653.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9ba73ba3-fc04-46f8-85f9-35770fdaa653
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x587b6fade9e1836b4688f4d1f23016d79de816e4235d6656da9ba63be39fcddf","name":"Victor Duhamel","registered_at":"2026-06-14T20:49:29Z","symbol":"NIM0572504","token_address":"0x3367b2cc6464ef781b2d1f289ea9caa515a30381","type":"artist","uuid":"9ba73ba3-fc04-46f8-85f9-35770fdaa653"}
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 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x587b6fade9e1836b4688f4d1f23016d79de816e4235d6656da9ba63be39fcddf. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ba73ba3-fc04-46f8-85f9-35770fdaa653.json and https://artists.proofprofile.net/proofs/artist/9ba73ba3-fc04-46f8-85f9-35770fdaa653.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T04:44:49Z
  text: {"copyright_id":"0x587b6fade9e1836b4688f4d1f23016d79de816e4235d6656da9ba63be39fcddf","name":"Victor Duhamel","registered_at":"2026-06-14T20:49:29Z","symbol":"NIM0572504","token_address":"0x3367b2cc6464ef781b2d1f289ea9caa515a30381","type":"artist","uuid":"9ba73ba3-fc04-46f8-85f9-35770fdaa653"}
album: Debout Contre Les Critiques
  type: MusicAlbum
  date published: 2025-02-05