Laurent Bienvenu
type: MusicGroup
popularity: 13
followers: 75
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcef2672232df7c7480a0424d2d0eda8914cc5b0f4d952ae810f06f5505f21c3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953778
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953778
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d3abbcca-acd9-44d8-b54b-8833de3bf14f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d3abbcca-acd9-44d8-b54b-8833de3bf14f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d3abbcca-acd9-44d8-b54b-8833de3bf14f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:57:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcef2672232df7c7480a0424d2d0eda8914cc5b0f4d952ae810f06f5505f21c3c","name":"Laurent Bienvenu","registered_at":"2026-06-15T02:44:19Z","symbol":"NIM0657253","token_address":"0x851d2306b610be4a5e191567816650bc7001bb64","type":"artist","uuid":"d3abbcca-acd9-44d8-b54b-8833de3bf14f"}
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 0xcef2672232df7c7480a0424d2d0eda8914cc5b0f4d952ae810f06f5505f21c3c. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d3abbcca-acd9-44d8-b54b-8833de3bf14f.json and https://artists.proofprofile.net/proofs/artist/d3abbcca-acd9-44d8-b54b-8833de3bf14f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0xcef2672232df7c7480a0424d2d0eda8914cc5b0f4d952ae810f06f5505f21c3c","name":"Laurent Bienvenu","registered_at":"2026-06-15T02:44:19Z","symbol":"NIM0657253","token_address":"0x851d2306b610be4a5e191567816650bc7001bb64","type":"artist","uuid":"d3abbcca-acd9-44d8-b54b-8833de3bf14f"}