Thanh Hoài
type: MusicGroup
popularity: 2
followers: 326
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa01cba71eb7123809e5ca79f3f865281a87d3f97695a6897a72b884f70437831
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9451b120-0d0e-4944-b616-f0c293c152e7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9451b120-0d0e-4944-b616-f0c293c152e7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9451b120-0d0e-4944-b616-f0c293c152e7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa01cba71eb7123809e5ca79f3f865281a87d3f97695a6897a72b884f70437831","name":"Thanh Hoài","registered_at":"2026-06-17T17:27:58Z","symbol":"NIM1466997","token_address":"0x02ba4d68482953f7475f5e2de4631de8a5f6faa5","type":"artist","uuid":"9451b120-0d0e-4944-b616-f0c293c152e7"}
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 0xa01cba71eb7123809e5ca79f3f865281a87d3f97695a6897a72b884f70437831. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9451b120-0d0e-4944-b616-f0c293c152e7.json and https://artists.proofprofile.net/proofs/artist/9451b120-0d0e-4944-b616-f0c293c152e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0xa01cba71eb7123809e5ca79f3f865281a87d3f97695a6897a72b884f70437831","name":"Thanh Hoài","registered_at":"2026-06-17T17:27:58Z","symbol":"NIM1466997","token_address":"0x02ba4d68482953f7475f5e2de4631de8a5f6faa5","type":"artist","uuid":"9451b120-0d0e-4944-b616-f0c293c152e7"}
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