柯子颜
type: MusicGroup
genre: c-pop
popularity: 2
followers: 89
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7870a7f53796b5b85599248d0d6b13f038243e61c39fe5e8b2f1924b0610ea4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/705759b7-d30e-48e2-8d8a-f1dbe2fcf85e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/705759b7-d30e-48e2-8d8a-f1dbe2fcf85e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/705759b7-d30e-48e2-8d8a-f1dbe2fcf85e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb7870a7f53796b5b85599248d0d6b13f038243e61c39fe5e8b2f1924b0610ea4","name":"柯子颜","registered_at":"2026-06-17T04:50:19Z","symbol":"NIM1286351","token_address":"0x434c68d076178e19dcc361f9e750f6ea1b8ce5bf","type":"artist","uuid":"705759b7-d30e-48e2-8d8a-f1dbe2fcf85e"}
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 0xb7870a7f53796b5b85599248d0d6b13f038243e61c39fe5e8b2f1924b0610ea4. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/705759b7-d30e-48e2-8d8a-f1dbe2fcf85e.json and https://artists.proofprofile.net/proofs/artist/705759b7-d30e-48e2-8d8a-f1dbe2fcf85e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xb7870a7f53796b5b85599248d0d6b13f038243e61c39fe5e8b2f1924b0610ea4","name":"柯子颜","registered_at":"2026-06-17T04:50:19Z","symbol":"NIM1286351","token_address":"0x434c68d076178e19dcc361f9e750f6ea1b8ce5bf","type":"artist","uuid":"705759b7-d30e-48e2-8d8a-f1dbe2fcf85e"}
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  type: MusicAlbum
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