O. W. Walker
type: MusicGroup
popularity: 2
followers: 48
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e72c7fec625a95b1d51b4c0c9a2a33b8a9393c125db2db18d192a8cc601e026
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954010
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954010
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3424feb5-80b8-46cb-a332-aff634fa36ed.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3424feb5-80b8-46cb-a332-aff634fa36ed.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3424feb5-80b8-46cb-a332-aff634fa36ed
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:41:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0e72c7fec625a95b1d51b4c0c9a2a33b8a9393c125db2db18d192a8cc601e026","name":"O. W. Walker","registered_at":"2026-06-16T07:41:29Z","symbol":"NIM0983597","token_address":"0x7cd6f12a21fb88c3ff820a69fc8c46f21fbd1be3","type":"artist","uuid":"3424feb5-80b8-46cb-a332-aff634fa36ed"}
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 0x0e72c7fec625a95b1d51b4c0c9a2a33b8a9393c125db2db18d192a8cc601e026. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3424feb5-80b8-46cb-a332-aff634fa36ed.json and https://artists.proofprofile.net/proofs/artist/3424feb5-80b8-46cb-a332-aff634fa36ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x0e72c7fec625a95b1d51b4c0c9a2a33b8a9393c125db2db18d192a8cc601e026","name":"O. W. Walker","registered_at":"2026-06-16T07:41:29Z","symbol":"NIM0983597","token_address":"0x7cd6f12a21fb88c3ff820a69fc8c46f21fbd1be3","type":"artist","uuid":"3424feb5-80b8-46cb-a332-aff634fa36ed"}
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