李召洋
type: MusicGroup
popularity: 8
followers: 75
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x933e2d644f831562165f26dc68fc9b3f4e583fe0215aa72998588080c69cfa26
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebf8de77-45eb-40bd-a21b-d7517413d923.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebf8de77-45eb-40bd-a21b-d7517413d923.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ebf8de77-45eb-40bd-a21b-d7517413d923
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x933e2d644f831562165f26dc68fc9b3f4e583fe0215aa72998588080c69cfa26","name":"李召洋","registered_at":"2026-06-21T11:02:03Z","symbol":"NIM1906452","token_address":"0xcd01550481b4c167de5e5dd2c424a545dec8a608","type":"artist","uuid":"ebf8de77-45eb-40bd-a21b-d7517413d923"}
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 0x933e2d644f831562165f26dc68fc9b3f4e583fe0215aa72998588080c69cfa26. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebf8de77-45eb-40bd-a21b-d7517413d923.json and https://artists.proofprofile.net/proofs/artist/ebf8de77-45eb-40bd-a21b-d7517413d923.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x933e2d644f831562165f26dc68fc9b3f4e583fe0215aa72998588080c69cfa26","name":"李召洋","registered_at":"2026-06-21T11:02:03Z","symbol":"NIM1906452","token_address":"0xcd01550481b4c167de5e5dd2c424a545dec8a608","type":"artist","uuid":"ebf8de77-45eb-40bd-a21b-d7517413d923"}
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