Laurent Coq
type: MusicGroup
genre: french jazz
genre: jazz
genre: latin jazz
description: Laurent Coq (born 22 February 1970) is a French jazz pianist and composer. Life and career Coq began playing the piano at the age of seven.Harris, Craig "Artist Biography". AllMusic. Retrieved 12 Apr
popularity: 3
followers: 495
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x913af6d8be2d8b63be757c63fce4fda123c6e868630872fdeedd4578db045c94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ff1fbc9f-ce50-456b-8a7f-dbc394d47cff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ff1fbc9f-ce50-456b-8a7f-dbc394d47cff.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ff1fbc9f-ce50-456b-8a7f-dbc394d47cff
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x913af6d8be2d8b63be757c63fce4fda123c6e868630872fdeedd4578db045c94. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ff1fbc9f-ce50-456b-8a7f-dbc394d47cff.json and https://artists.proofprofile.net/proofs/artist/ff1fbc9f-ce50-456b-8a7f-dbc394d47cff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x913af6d8be2d8b63be757c63fce4fda123c6e868630872fdeedd4578db045c94","name":"Laurent Coq","registered_at":"2026-06-21T18:42:51Z","symbol":"NIM2001465","token_address":"0x133a66ec318695939ffba731119e09008cd42dbf","type":"artist","uuid":"ff1fbc9f-ce50-456b-8a7f-dbc394d47cff"}
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