Juan Pino
type: MusicGroup
description: Juan Antonio Pino Pérez (born 3 July 1965) is a former professional tennis player from Cuba. Biography Pino, who comes from Pinar del Río in western Cuba, began playing tennis at the age of 10 and tr
popularity: 9
followers: 322
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ffc5b103f7175ad1e821c87194948bb331e87c6df69d00ff27504e4b1ef467f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8aafbe9f-90de-4624-a478-e261dba72154.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8aafbe9f-90de-4624-a478-e261dba72154.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8aafbe9f-90de-4624-a478-e261dba72154
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1ffc5b103f7175ad1e821c87194948bb331e87c6df69d00ff27504e4b1ef467f","name":"Juan Pino","registered_at":"2026-06-17T13:49:03Z","symbol":"NIM1414725","token_address":"0xeeeab080f3d15bda8364b6559be6a4204331600f","type":"artist","uuid":"8aafbe9f-90de-4624-a478-e261dba72154"}
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 0x1ffc5b103f7175ad1e821c87194948bb331e87c6df69d00ff27504e4b1ef467f. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8aafbe9f-90de-4624-a478-e261dba72154.json and https://artists.proofprofile.net/proofs/artist/8aafbe9f-90de-4624-a478-e261dba72154.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x1ffc5b103f7175ad1e821c87194948bb331e87c6df69d00ff27504e4b1ef467f","name":"Juan Pino","registered_at":"2026-06-17T13:49:03Z","symbol":"NIM1414725","token_address":"0xeeeab080f3d15bda8364b6559be6a4204331600f","type":"artist","uuid":"8aafbe9f-90de-4624-a478-e261dba72154"}
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