张艺兴
type: MusicGroup
popularity: 3
followers: 400
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ead8623e3072a957b784f111c2fa65a1e3e31949d56929b95369627444a54b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd9a1080-0b44-41b5-bb53-5c1786ce2277.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd9a1080-0b44-41b5-bb53-5c1786ce2277.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fd9a1080-0b44-41b5-bb53-5c1786ce2277
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T20:46:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ead8623e3072a957b784f111c2fa65a1e3e31949d56929b95369627444a54b5","name":"张艺兴","registered_at":"2026-06-21T17:55:33Z","symbol":"NIM1992063","token_address":"0xedda7c46bdc0c1c135a0586a4bba800140a472bf","type":"artist","uuid":"fd9a1080-0b44-41b5-bb53-5c1786ce2277"}
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 0x6ead8623e3072a957b784f111c2fa65a1e3e31949d56929b95369627444a54b5. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd9a1080-0b44-41b5-bb53-5c1786ce2277.json and https://artists.proofprofile.net/proofs/artist/fd9a1080-0b44-41b5-bb53-5c1786ce2277.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T20:46:40Z
  text: {"copyright_id":"0x6ead8623e3072a957b784f111c2fa65a1e3e31949d56929b95369627444a54b5","name":"张艺兴","registered_at":"2026-06-21T17:55:33Z","symbol":"NIM1992063","token_address":"0xedda7c46bdc0c1c135a0586a4bba800140a472bf","type":"artist","uuid":"fd9a1080-0b44-41b5-bb53-5c1786ce2277"}