Joyce Grant
type: MusicGroup
description: Joyce Grant (23 January 1924 – 11 July 2006) was a UK-based South African actress known for her comedic roles. Grant was born in Bloemfontein, South Africa, and her father encouraged her to move to Lo
popularity: 4
followers: 40
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa54c65f9c855e6abf3d831725070e9d0e4f65f439ed16296dee0ba89ed0e8e55
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e800291c-2935-4ae2-9f3f-d8c7d88fc043.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e800291c-2935-4ae2-9f3f-d8c7d88fc043.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e800291c-2935-4ae2-9f3f-d8c7d88fc043
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa54c65f9c855e6abf3d831725070e9d0e4f65f439ed16296dee0ba89ed0e8e55","name":"Joyce Grant","registered_at":"2026-06-21T09:24:47Z","symbol":"NIM1887771","token_address":"0xa023f364af90877f19e4d8150a35975683749d98","type":"artist","uuid":"e800291c-2935-4ae2-9f3f-d8c7d88fc043"}
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 0xa54c65f9c855e6abf3d831725070e9d0e4f65f439ed16296dee0ba89ed0e8e55. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e800291c-2935-4ae2-9f3f-d8c7d88fc043.json and https://artists.proofprofile.net/proofs/artist/e800291c-2935-4ae2-9f3f-d8c7d88fc043.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0xa54c65f9c855e6abf3d831725070e9d0e4f65f439ed16296dee0ba89ed0e8e55","name":"Joyce Grant","registered_at":"2026-06-21T09:24:47Z","symbol":"NIM1887771","token_address":"0xa023f364af90877f19e4d8150a35975683749d98","type":"artist","uuid":"e800291c-2935-4ae2-9f3f-d8c7d88fc043"}
album: Joyce Grant "In The Morning"
  type: MusicAlbum
  date published: 2010-01-05
album: Danny's Song
  type: MusicAlbum
  date published: 2010-01-05
album: In The Morning
  type: MusicAlbum
  date published: 2010-03-19