John Virgo
type: MusicGroup
description: John Trevor Virgo (4 March 1946 – 4 February 2026) was an English professional snooker player and broadcaster. After achieving success as an amateur, Virgo turned professional in 1976 at age 30 and wo
popularity: 2
followers: 179
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4628214415ca07647e8fbdc463268d2e0e53c0ecfb61706fe9525cb58ed2ade8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e78216c7-7641-4bdb-801c-8c62af7aa8ca.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e78216c7-7641-4bdb-801c-8c62af7aa8ca.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e78216c7-7641-4bdb-801c-8c62af7aa8ca
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4628214415ca07647e8fbdc463268d2e0e53c0ecfb61706fe9525cb58ed2ade8","name":"John Virgo","registered_at":"2026-06-21T09:02:54Z","symbol":"NIM1883643","token_address":"0x03bd74992941276df53c20bd6aeeac4ddf73a1c3","type":"artist","uuid":"e78216c7-7641-4bdb-801c-8c62af7aa8ca"}
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 0x4628214415ca07647e8fbdc463268d2e0e53c0ecfb61706fe9525cb58ed2ade8. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e78216c7-7641-4bdb-801c-8c62af7aa8ca.json and https://artists.proofprofile.net/proofs/artist/e78216c7-7641-4bdb-801c-8c62af7aa8ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0x4628214415ca07647e8fbdc463268d2e0e53c0ecfb61706fe9525cb58ed2ade8","name":"John Virgo","registered_at":"2026-06-21T09:02:54Z","symbol":"NIM1883643","token_address":"0x03bd74992941276df53c20bd6aeeac4ddf73a1c3","type":"artist","uuid":"e78216c7-7641-4bdb-801c-8c62af7aa8ca"}
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