El Guabino & Jesús Pérez
type: MusicGroup
genre: son cubano
popularity: 6
followers: 7
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfea5352b8268f8a175aab174c18e7054d336f7d7a48bd53b8628931ecf3c6b2a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953997
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953997
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/27601aa6-2637-4956-ba61-d9e8763ffc92.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/27601aa6-2637-4956-ba61-d9e8763ffc92.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/27601aa6-2637-4956-ba61-d9e8763ffc92
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:07:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfea5352b8268f8a175aab174c18e7054d336f7d7a48bd53b8628931ecf3c6b2a","name":"El Guabino & Jesús Pérez","registered_at":"2026-06-16T03:33:48Z","symbol":"NIM0924425","token_address":"0x00c91e21217f675f0817c853dfe14a60575890d3","type":"artist","uuid":"27601aa6-2637-4956-ba61-d9e8763ffc92"}
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 0xfea5352b8268f8a175aab174c18e7054d336f7d7a48bd53b8628931ecf3c6b2a. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/27601aa6-2637-4956-ba61-d9e8763ffc92.json and https://artists.proofprofile.net/proofs/artist/27601aa6-2637-4956-ba61-d9e8763ffc92.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0xfea5352b8268f8a175aab174c18e7054d336f7d7a48bd53b8628931ecf3c6b2a","name":"El Guabino & Jesús Pérez","registered_at":"2026-06-16T03:33:48Z","symbol":"NIM0924425","token_address":"0x00c91e21217f675f0817c853dfe14a60575890d3","type":"artist","uuid":"27601aa6-2637-4956-ba61-d9e8763ffc92"}