Matty Holmes
type: MusicGroup
description: Matthew Jason Holmes (born 1 August 1969) is an English former professional footballer who played as a midfielder. He notably played in the Premier League for West Ham United, Blackburn Rovers and Ch
popularity: 2
followers: 404
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99806207e1b4dd59c7b6257e1f63bb9e6442aa8403cfc56d7301a417a0ffc36d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954500
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9b23a487-0f10-4e10-81bc-51efef357011.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9b23a487-0f10-4e10-81bc-51efef357011.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9b23a487-0f10-4e10-81bc-51efef357011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T04:47:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x99806207e1b4dd59c7b6257e1f63bb9e6442aa8403cfc56d7301a417a0ffc36d","name":"Matty Holmes","registered_at":"2026-06-20T03:59:19Z","symbol":"NIM1504283","token_address":"0xe1846d7347adc3ec9316499e8867d0458b7c5ffd","type":"artist","uuid":"9b23a487-0f10-4e10-81bc-51efef357011"}
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 0x99806207e1b4dd59c7b6257e1f63bb9e6442aa8403cfc56d7301a417a0ffc36d. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9b23a487-0f10-4e10-81bc-51efef357011.json and https://artists.proofprofile.net/proofs/artist/9b23a487-0f10-4e10-81bc-51efef357011.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T04:47:29Z
  text: {"copyright_id":"0x99806207e1b4dd59c7b6257e1f63bb9e6442aa8403cfc56d7301a417a0ffc36d","name":"Matty Holmes","registered_at":"2026-06-20T03:59:19Z","symbol":"NIM1504283","token_address":"0xe1846d7347adc3ec9316499e8867d0458b7c5ffd","type":"artist","uuid":"9b23a487-0f10-4e10-81bc-51efef357011"}
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