William Parrish
type: MusicGroup
description: William Linton Parrish (August 6, 1860 – February 20, 1949) was a politician in Manitoba, Canada. He served in the Legislative Assembly of Manitoba from 1914 to 1920 as a member of the Liberal Party.
popularity: 4
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64548e2f499a1661dd33da56eb21edbfe13fba970fe3a4f7a7b9c0b6f4267da6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f0f712e6-9b3d-413c-8546-89bef0daeb22.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f0f712e6-9b3d-413c-8546-89bef0daeb22.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f0f712e6-9b3d-413c-8546-89bef0daeb22
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x64548e2f499a1661dd33da56eb21edbfe13fba970fe3a4f7a7b9c0b6f4267da6","name":"William Parrish","registered_at":"2026-06-21T12:48:09Z","symbol":"NIM1927057","token_address":"0x8ec28d164c36d834b2387a1c5f876e1659f9d5f1","type":"artist","uuid":"f0f712e6-9b3d-413c-8546-89bef0daeb22"}
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 0x64548e2f499a1661dd33da56eb21edbfe13fba970fe3a4f7a7b9c0b6f4267da6. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0f712e6-9b3d-413c-8546-89bef0daeb22.json and https://artists.proofprofile.net/proofs/artist/f0f712e6-9b3d-413c-8546-89bef0daeb22.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x64548e2f499a1661dd33da56eb21edbfe13fba970fe3a4f7a7b9c0b6f4267da6","name":"William Parrish","registered_at":"2026-06-21T12:48:09Z","symbol":"NIM1927057","token_address":"0x8ec28d164c36d834b2387a1c5f876e1659f9d5f1","type":"artist","uuid":"f0f712e6-9b3d-413c-8546-89bef0daeb22"}