Lean Mayweather
type: MusicGroup
popularity: 2
followers: 31
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8414c145c2484d229c3478c472d4ac8d00ede99c1956d3c354af36bd4723a322
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953896
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953896
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/11470be8-f9e5-42a9-96a2-257b2eaf288f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/11470be8-f9e5-42a9-96a2-257b2eaf288f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/11470be8-f9e5-42a9-96a2-257b2eaf288f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:05:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8414c145c2484d229c3478c472d4ac8d00ede99c1956d3c354af36bd4723a322","name":"Lean Mayweather","registered_at":"2026-06-15T19:26:11Z","symbol":"NIM0808053","token_address":"0x29d0853883ca0310f168ccb179a6d6251b0a553d","type":"artist","uuid":"11470be8-f9e5-42a9-96a2-257b2eaf288f"}
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 0x8414c145c2484d229c3478c472d4ac8d00ede99c1956d3c354af36bd4723a322. Chain 2 (Bitcoin): anchored in block 953896 (2026-06-16T06:05:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/11470be8-f9e5-42a9-96a2-257b2eaf288f.json and https://artists.proofprofile.net/proofs/artist/11470be8-f9e5-42a9-96a2-257b2eaf288f.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T06:05:56Z
  text: {"copyright_id":"0x8414c145c2484d229c3478c472d4ac8d00ede99c1956d3c354af36bd4723a322","name":"Lean Mayweather","registered_at":"2026-06-15T19:26:11Z","symbol":"NIM0808053","token_address":"0x29d0853883ca0310f168ccb179a6d6251b0a553d","type":"artist","uuid":"11470be8-f9e5-42a9-96a2-257b2eaf288f"}
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