Richard Grégoire
type: MusicGroup
description: Richard Grégoire (May 18, 1944 – December 10, 2025) was a Canadian film and television composer from Montreal, Quebec.Pierre Rochon, Christian Rioux and Annie Joan Gagnon, "Richard Grégoire". The Cana
popularity: 3
followers: 78
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03d4955fd6cbff859eea996aededccbedf8e63d32e88fc86c3fbf2f9f6b63e0d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3c5dc833-5814-4e91-97ca-861ba5995bbd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3c5dc833-5814-4e91-97ca-861ba5995bbd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3c5dc833-5814-4e91-97ca-861ba5995bbd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x03d4955fd6cbff859eea996aededccbedf8e63d32e88fc86c3fbf2f9f6b63e0d","name":"Richard Grégoire","registered_at":"2026-06-16T10:35:16Z","symbol":"NIM1025073","token_address":"0xc7c354556aa6b3f4b7adf7685ca0452d8da9ea30","type":"artist","uuid":"3c5dc833-5814-4e91-97ca-861ba5995bbd"}
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 0x03d4955fd6cbff859eea996aededccbedf8e63d32e88fc86c3fbf2f9f6b63e0d. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3c5dc833-5814-4e91-97ca-861ba5995bbd.json and https://artists.proofprofile.net/proofs/artist/3c5dc833-5814-4e91-97ca-861ba5995bbd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x03d4955fd6cbff859eea996aededccbedf8e63d32e88fc86c3fbf2f9f6b63e0d","name":"Richard Grégoire","registered_at":"2026-06-16T10:35:16Z","symbol":"NIM1025073","token_address":"0xc7c354556aa6b3f4b7adf7685ca0452d8da9ea30","type":"artist","uuid":"3c5dc833-5814-4e91-97ca-861ba5995bbd"}
album: L'enfant D'eau: Original Soundtrack (L'enfant D'eau: Bande Originale Du Film)
  type: MusicAlbum
  date published: 1995
album: Marguerite Volant [Original TV Soundtrack] (Marguerite Volant [Bande Sonore De La Télé-Série])
  type: MusicAlbum
  date published: 1996