CALVIN FLEMMINGS
type: MusicGroup
popularity: 7
followers: 223
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b256bc4a46b4bed19c97e3f1d9e8315f76d22d6f1b5b539f5f002f7ab902980
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954638
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954638
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d36cfccd-de44-482b-a2b4-c029cd97537a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d36cfccd-de44-482b-a2b4-c029cd97537a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d36cfccd-de44-482b-a2b4-c029cd97537a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T03:45:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0b256bc4a46b4bed19c97e3f1d9e8315f76d22d6f1b5b539f5f002f7ab902980","name":"CALVIN FLEMMINGS","registered_at":"2026-06-21T01:43:02Z","symbol":"NIM1779765","token_address":"0x20ce176752f4e0fe886757261b224944d9b4a894","type":"artist","uuid":"d36cfccd-de44-482b-a2b4-c029cd97537a"}
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 0x0b256bc4a46b4bed19c97e3f1d9e8315f76d22d6f1b5b539f5f002f7ab902980. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d36cfccd-de44-482b-a2b4-c029cd97537a.json and https://artists.proofprofile.net/proofs/artist/d36cfccd-de44-482b-a2b4-c029cd97537a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
  text: {"copyright_id":"0x0b256bc4a46b4bed19c97e3f1d9e8315f76d22d6f1b5b539f5f002f7ab902980","name":"CALVIN FLEMMINGS","registered_at":"2026-06-21T01:43:02Z","symbol":"NIM1779765","token_address":"0x20ce176752f4e0fe886757261b224944d9b4a894","type":"artist","uuid":"d36cfccd-de44-482b-a2b4-c029cd97537a"}
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