David Staff
type: MusicGroup
description: David Staff (born 8 November 1979) is an English footballer who played in the Football League for Boston United. He is a coach at Brackley Town . Before joining Boston United in August 2004, Staff pl
popularity: 4
followers: 40
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x187f8dd8182df76c0ef5c71a90b6da7c72d8114fe7470ae9d2a634713e595add
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954010
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954010
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3410881b-5fd4-4607-a779-b925a8846670.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3410881b-5fd4-4607-a779-b925a8846670.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3410881b-5fd4-4607-a779-b925a8846670
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:41:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x187f8dd8182df76c0ef5c71a90b6da7c72d8114fe7470ae9d2a634713e595add","name":"David Staff","registered_at":"2026-06-16T07:39:45Z","symbol":"NIM0983186","token_address":"0xfb91b27dd1435b4c54eaf82ec2d17dee0ccf7952","type":"artist","uuid":"3410881b-5fd4-4607-a779-b925a8846670"}
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 0x187f8dd8182df76c0ef5c71a90b6da7c72d8114fe7470ae9d2a634713e595add. 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/3410881b-5fd4-4607-a779-b925a8846670.json and https://artists.proofprofile.net/proofs/artist/3410881b-5fd4-4607-a779-b925a8846670.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x187f8dd8182df76c0ef5c71a90b6da7c72d8114fe7470ae9d2a634713e595add","name":"David Staff","registered_at":"2026-06-16T07:39:45Z","symbol":"NIM0983186","token_address":"0xfb91b27dd1435b4c54eaf82ec2d17dee0ccf7952","type":"artist","uuid":"3410881b-5fd4-4607-a779-b925a8846670"}