Fiona Walker
type: MusicGroup
description: Fiona Walker (born 24 May 1944) is an English actress, known for numerous theatre and television roles between the 1960s and 1990s. An early leading role was as Sue Bridehead in a BBC television prod
popularity: 10
followers: 53
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ee86f8f33f4a7ee31cfc98070d4794f225885dd263476815e801ae21fc41260
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/e624e3c3-f15c-4f27-9cd0-fbbee44e769b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e624e3c3-f15c-4f27-9cd0-fbbee44e769b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e624e3c3-f15c-4f27-9cd0-fbbee44e769b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9ee86f8f33f4a7ee31cfc98070d4794f225885dd263476815e801ae21fc41260","name":"Fiona Walker","registered_at":"2026-06-21T08:26:09Z","symbol":"NIM1874301","token_address":"0xb9c1bfba12eff98df0d9e9a613db5305b4d59175","type":"artist","uuid":"e624e3c3-f15c-4f27-9cd0-fbbee44e769b"}
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 0x9ee86f8f33f4a7ee31cfc98070d4794f225885dd263476815e801ae21fc41260. 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/e624e3c3-f15c-4f27-9cd0-fbbee44e769b.json and https://artists.proofprofile.net/proofs/artist/e624e3c3-f15c-4f27-9cd0-fbbee44e769b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0x9ee86f8f33f4a7ee31cfc98070d4794f225885dd263476815e801ae21fc41260","name":"Fiona Walker","registered_at":"2026-06-21T08:26:09Z","symbol":"NIM1874301","token_address":"0xb9c1bfba12eff98df0d9e9a613db5305b4d59175","type":"artist","uuid":"e624e3c3-f15c-4f27-9cd0-fbbee44e769b"}
album: The Art of Murder (Unabridged)
  type: MusicAlbum
  date published: 2024-05-20
album: Poison Pen Letters [A BRAND NEW brilliant and totally unputdownable cosy murder mystery series from MILLION COPY BESTSELLER Fiona Walker for 2024 (Unabridged)]
  type: MusicAlbum
  date published: 2024-11-08