落笔
type: MusicGroup
popularity: 7
followers: 167
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74aa69b8e82793a08a2c4f443e5cf7d0e7c6810c31f5372b151422417bf72a98
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fbf1ce27-cb63-44e1-b411-7ea3c2d2aa12.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fbf1ce27-cb63-44e1-b411-7ea3c2d2aa12.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fbf1ce27-cb63-44e1-b411-7ea3c2d2aa12
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x74aa69b8e82793a08a2c4f443e5cf7d0e7c6810c31f5372b151422417bf72a98","name":"落笔","registered_at":"2026-06-21T17:43:22Z","symbol":"NIM1991076","token_address":"0x9e3db63225080672a6f8c94c05a8d43f2485d543","type":"artist","uuid":"fbf1ce27-cb63-44e1-b411-7ea3c2d2aa12"}
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 0x74aa69b8e82793a08a2c4f443e5cf7d0e7c6810c31f5372b151422417bf72a98. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fbf1ce27-cb63-44e1-b411-7ea3c2d2aa12.json and https://artists.proofprofile.net/proofs/artist/fbf1ce27-cb63-44e1-b411-7ea3c2d2aa12.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x74aa69b8e82793a08a2c4f443e5cf7d0e7c6810c31f5372b151422417bf72a98","name":"落笔","registered_at":"2026-06-21T17:43:22Z","symbol":"NIM1991076","token_address":"0x9e3db63225080672a6f8c94c05a8d43f2485d543","type":"artist","uuid":"fbf1ce27-cb63-44e1-b411-7ea3c2d2aa12"}
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