Trevor Simpson
type: MusicGroup
description: Trevor Simpson (born 17 March 1951) is a former diver who competed for Great Britain and England. Diving career Simpson represented Great Britain at the 1976 Summer Olympics. Simpson also represente
popularity: 13
followers: 345
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe61f9c9f16b7cc8d0cdee1b5a948ff1a80ee4000d3ac4d2aaf7f6b3c004967e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953614
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953614
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/19211266-9d21-4972-bf31-37d66b9fda9d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/19211266-9d21-4972-bf31-37d66b9fda9d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/19211266-9d21-4972-bf31-37d66b9fda9d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T08:40:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe61f9c9f16b7cc8d0cdee1b5a948ff1a80ee4000d3ac4d2aaf7f6b3c004967e2","name":"Trevor Simpson","registered_at":"2026-06-14T07:01:28Z","symbol":"NIM0375018","token_address":"0x89bbc98121a302b003f98d3f1e7551f8f7785cb3","type":"artist","uuid":"19211266-9d21-4972-bf31-37d66b9fda9d"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe61f9c9f16b7cc8d0cdee1b5a948ff1a80ee4000d3ac4d2aaf7f6b3c004967e2. Chain 2 (Bitcoin): anchored in block 953614 (2026-06-14T08:40:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/19211266-9d21-4972-bf31-37d66b9fda9d.json and https://artists.proofprofile.net/proofs/artist/19211266-9d21-4972-bf31-37d66b9fda9d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:40:32Z
  text: {"copyright_id":"0xe61f9c9f16b7cc8d0cdee1b5a948ff1a80ee4000d3ac4d2aaf7f6b3c004967e2","name":"Trevor Simpson","registered_at":"2026-06-14T07:01:28Z","symbol":"NIM0375018","token_address":"0x89bbc98121a302b003f98d3f1e7551f8f7785cb3","type":"artist","uuid":"19211266-9d21-4972-bf31-37d66b9fda9d"}
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