苏七七
type: MusicGroup
genre: vinahouse
popularity: 2
followers: 94
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a09542e64719eee9eee481619d50c598852c0cd2e42dd32200194997341155a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f5fdc519-2b3f-40e8-9280-3cc7bc9c1c75.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f5fdc519-2b3f-40e8-9280-3cc7bc9c1c75.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f5fdc519-2b3f-40e8-9280-3cc7bc9c1c75
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T15:47:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8a09542e64719eee9eee481619d50c598852c0cd2e42dd32200194997341155a","name":"苏七七","registered_at":"2026-06-21T14:55:36Z","symbol":"NIM1952530","token_address":"0x849b4102a61bc25cf00e6a22db84eea0c074a607","type":"artist","uuid":"f5fdc519-2b3f-40e8-9280-3cc7bc9c1c75"}
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 0x8a09542e64719eee9eee481619d50c598852c0cd2e42dd32200194997341155a. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f5fdc519-2b3f-40e8-9280-3cc7bc9c1c75.json and https://artists.proofprofile.net/proofs/artist/f5fdc519-2b3f-40e8-9280-3cc7bc9c1c75.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
  text: {"copyright_id":"0x8a09542e64719eee9eee481619d50c598852c0cd2e42dd32200194997341155a","name":"苏七七","registered_at":"2026-06-21T14:55:36Z","symbol":"NIM1952530","token_address":"0x849b4102a61bc25cf00e6a22db84eea0c074a607","type":"artist","uuid":"f5fdc519-2b3f-40e8-9280-3cc7bc9c1c75"}
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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