Kim Tử Long
type: MusicGroup
genre: vietnamese bolero
popularity: 16
followers: 1832
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00f2df824587397af69c3ca1aba54fd0938466631f67cda20c8a307b6b27fc18
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953620
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953620
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1e6d330f-4f42-4ef5-bb3a-6febadaea9bc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1e6d330f-4f42-4ef5-bb3a-6febadaea9bc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1e6d330f-4f42-4ef5-bb3a-6febadaea9bc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T09:36:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x00f2df824587397af69c3ca1aba54fd0938466631f67cda20c8a307b6b27fc18","name":"Kim Tử Long","registered_at":"2026-06-14T07:35:01Z","symbol":"NIM0383033","token_address":"0x96daedf918b56ab2f9dc23d250968e77c604838c","type":"artist","uuid":"1e6d330f-4f42-4ef5-bb3a-6febadaea9bc"}
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 0x00f2df824587397af69c3ca1aba54fd0938466631f67cda20c8a307b6b27fc18. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1e6d330f-4f42-4ef5-bb3a-6febadaea9bc.json and https://artists.proofprofile.net/proofs/artist/1e6d330f-4f42-4ef5-bb3a-6febadaea9bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:36:10Z
  text: {"copyright_id":"0x00f2df824587397af69c3ca1aba54fd0938466631f67cda20c8a307b6b27fc18","name":"Kim Tử Long","registered_at":"2026-06-14T07:35:01Z","symbol":"NIM0383033","token_address":"0x96daedf918b56ab2f9dc23d250968e77c604838c","type":"artist","uuid":"1e6d330f-4f42-4ef5-bb3a-6febadaea9bc"}
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