Edmund Crispin
type: MusicGroup
description: Robert Bruce Montgomery (2 October 1921 – 15 September 1978) was an English crime writer and composer. Known as a composer as Bruce Montgomery, he published his detective novels under the pseudonym Ed
popularity: 17
followers: 731
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd947244cceb2b137f18f35171758070dba8d8dc031cae38232aa9268695b4c57
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953678
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953678
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6401748a-cee8-4e46-b32e-d188b2030060.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6401748a-cee8-4e46-b32e-d188b2030060.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6401748a-cee8-4e46-b32e-d188b2030060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:23:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd947244cceb2b137f18f35171758070dba8d8dc031cae38232aa9268695b4c57","name":"Edmund Crispin","registered_at":"2026-06-14T14:56:20Z","symbol":"NIM0488311","token_address":"0x5f5e1e54fad118ee310e04b7fc7de14f20eab4a2","type":"artist","uuid":"6401748a-cee8-4e46-b32e-d188b2030060"}
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 0xd947244cceb2b137f18f35171758070dba8d8dc031cae38232aa9268695b4c57. Chain 2 (Bitcoin): anchored in block 953678 (2026-06-14T19:23:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6401748a-cee8-4e46-b32e-d188b2030060.json and https://artists.proofprofile.net/proofs/artist/6401748a-cee8-4e46-b32e-d188b2030060.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:23:11Z
  text: {"copyright_id":"0xd947244cceb2b137f18f35171758070dba8d8dc031cae38232aa9268695b4c57","name":"Edmund Crispin","registered_at":"2026-06-14T14:56:20Z","symbol":"NIM0488311","token_address":"0x5f5e1e54fad118ee310e04b7fc7de14f20eab4a2","type":"artist","uuid":"6401748a-cee8-4e46-b32e-d188b2030060"}
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