Larry Manteca
type: MusicGroup
genre: exotica
genre: free jazz
popularity: 3
followers: 420
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc6fcf882a84696edf3d6b1108761c1196c37cd5c7f8808b94246998460d8287
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954580
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954580
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b74ce459-c05a-46f5-b6e3-00c63683ce2a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b74ce459-c05a-46f5-b6e3-00c63683ce2a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b74ce459-c05a-46f5-b6e3-00c63683ce2a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T17:48:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcc6fcf882a84696edf3d6b1108761c1196c37cd5c7f8808b94246998460d8287","name":"Larry Manteca","registered_at":"2026-06-20T15:28:36Z","symbol":"NIM1641178","token_address":"0xe94e057ccc8dda87b4cccf3fcf4e8ff7643ea728","type":"artist","uuid":"b74ce459-c05a-46f5-b6e3-00c63683ce2a"}
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 0xcc6fcf882a84696edf3d6b1108761c1196c37cd5c7f8808b94246998460d8287. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b74ce459-c05a-46f5-b6e3-00c63683ce2a.json and https://artists.proofprofile.net/proofs/artist/b74ce459-c05a-46f5-b6e3-00c63683ce2a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T17:48:00Z
  text: {"copyright_id":"0xcc6fcf882a84696edf3d6b1108761c1196c37cd5c7f8808b94246998460d8287","name":"Larry Manteca","registered_at":"2026-06-20T15:28:36Z","symbol":"NIM1641178","token_address":"0xe94e057ccc8dda87b4cccf3fcf4e8ff7643ea728","type":"artist","uuid":"b74ce459-c05a-46f5-b6e3-00c63683ce2a"}
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