Cuerdas de Zafiro
type: MusicGroup
genre: sierreño
popularity: 4
followers: 376
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad74beaf6d3fc0c3f48d4e8e74b91c945bbf2c6521b74959c330abef295affe1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/993492ee-e963-409b-a92f-e46e3a439276.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/993492ee-e963-409b-a92f-e46e3a439276.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/993492ee-e963-409b-a92f-e46e3a439276
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad74beaf6d3fc0c3f48d4e8e74b91c945bbf2c6521b74959c330abef295affe1","name":"Cuerdas de Zafiro","registered_at":"2026-06-17T19:09:18Z","symbol":"NIM1491179","token_address":"0x891cb34ff27f74e2a65c2406023a699bdd90ca8b","type":"artist","uuid":"993492ee-e963-409b-a92f-e46e3a439276"}
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 0xad74beaf6d3fc0c3f48d4e8e74b91c945bbf2c6521b74959c330abef295affe1. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/993492ee-e963-409b-a92f-e46e3a439276.json and https://artists.proofprofile.net/proofs/artist/993492ee-e963-409b-a92f-e46e3a439276.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0xad74beaf6d3fc0c3f48d4e8e74b91c945bbf2c6521b74959c330abef295affe1","name":"Cuerdas de Zafiro","registered_at":"2026-06-17T19:09:18Z","symbol":"NIM1491179","token_address":"0x891cb34ff27f74e2a65c2406023a699bdd90ca8b","type":"artist","uuid":"993492ee-e963-409b-a92f-e46e3a439276"}
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