Brian Chambouleyron
type: MusicGroup
genre: mizrahi
genre: tango
popularity: 10
followers: 875
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7618c6142f448ede29d3cc52ef02d9a7e0d211da7dad0c8a9da7e3c116aa4f4b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a8337623-ff84-40c9-a12c-b03a31ebbbf2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a8337623-ff84-40c9-a12c-b03a31ebbbf2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a8337623-ff84-40c9-a12c-b03a31ebbbf2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7618c6142f448ede29d3cc52ef02d9a7e0d211da7dad0c8a9da7e3c116aa4f4b","name":"Brian Chambouleyron","registered_at":"2026-06-20T08:32:01Z","symbol":"NIM1565952","token_address":"0x0b7c86ea7d86d11f6cfcad24e050b8462ceaeddf","type":"artist","uuid":"a8337623-ff84-40c9-a12c-b03a31ebbbf2"}
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 0x7618c6142f448ede29d3cc52ef02d9a7e0d211da7dad0c8a9da7e3c116aa4f4b. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a8337623-ff84-40c9-a12c-b03a31ebbbf2.json and https://artists.proofprofile.net/proofs/artist/a8337623-ff84-40c9-a12c-b03a31ebbbf2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0x7618c6142f448ede29d3cc52ef02d9a7e0d211da7dad0c8a9da7e3c116aa4f4b","name":"Brian Chambouleyron","registered_at":"2026-06-20T08:32:01Z","symbol":"NIM1565952","token_address":"0x0b7c86ea7d86d11f6cfcad24e050b8462ceaeddf","type":"artist","uuid":"a8337623-ff84-40c9-a12c-b03a31ebbbf2"}
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