Jack Radford
type: MusicGroup
description: Jack Alvin Radford (November 4, 1929 – May 19, 2003) was a Canadian politician. He served in the Legislative Assembly of British Columbia from 1972 to 1975, as a NDP member for the constituency of Van
popularity: 18
followers: 12
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35408c2e86cabf402992c59cfa8d4cc76884753dce1119f1c4dab85db98461e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953641
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953641
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ab1b10a-9fb2-4c39-98b7-f0f993fbf4e8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ab1b10a-9fb2-4c39-98b7-f0f993fbf4e8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3ab1b10a-9fb2-4c39-98b7-f0f993fbf4e8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T13:54:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x35408c2e86cabf402992c59cfa8d4cc76884753dce1119f1c4dab85db98461e6","name":"Jack Radford","registered_at":"2026-06-14T10:42:48Z","symbol":"NIM0427819","token_address":"0x9d5c310b2e177e542aa8e6ec17336c9d64b698c4","type":"artist","uuid":"3ab1b10a-9fb2-4c39-98b7-f0f993fbf4e8"}
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 0x35408c2e86cabf402992c59cfa8d4cc76884753dce1119f1c4dab85db98461e6. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ab1b10a-9fb2-4c39-98b7-f0f993fbf4e8.json and https://artists.proofprofile.net/proofs/artist/3ab1b10a-9fb2-4c39-98b7-f0f993fbf4e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x35408c2e86cabf402992c59cfa8d4cc76884753dce1119f1c4dab85db98461e6","name":"Jack Radford","registered_at":"2026-06-14T10:42:48Z","symbol":"NIM0427819","token_address":"0x9d5c310b2e177e542aa8e6ec17336c9d64b698c4","type":"artist","uuid":"3ab1b10a-9fb2-4c39-98b7-f0f993fbf4e8"}