William de Courcy
type: MusicGroup
description: William de Courcy may refer to: William de Courcy (died circa 1114), Anglo-Norman baron William de Courcy (died before 1130), son of the above William de Courcy (died 1171), son of the second Will
popularity: 2
followers: 169
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78566162361a400e3c21985afc3766428d2f9ec8dfc42bcc459f3c4f3b0e732f
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/488efed1-58d6-4d08-8baa-ad35f80a257f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/488efed1-58d6-4d08-8baa-ad35f80a257f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/488efed1-58d6-4d08-8baa-ad35f80a257f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x78566162361a400e3c21985afc3766428d2f9ec8dfc42bcc459f3c4f3b0e732f","name":"William de Courcy","registered_at":"2026-06-16T14:54:11Z","symbol":"NIM1086833","token_address":"0x4113c45c674fe6b2d2a5d21702ac6c9e2b8cafc6","type":"artist","uuid":"488efed1-58d6-4d08-8baa-ad35f80a257f"}
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 0x78566162361a400e3c21985afc3766428d2f9ec8dfc42bcc459f3c4f3b0e732f. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/488efed1-58d6-4d08-8baa-ad35f80a257f.json and https://artists.proofprofile.net/proofs/artist/488efed1-58d6-4d08-8baa-ad35f80a257f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x78566162361a400e3c21985afc3766428d2f9ec8dfc42bcc459f3c4f3b0e732f","name":"William de Courcy","registered_at":"2026-06-16T14:54:11Z","symbol":"NIM1086833","token_address":"0x4113c45c674fe6b2d2a5d21702ac6c9e2b8cafc6","type":"artist","uuid":"488efed1-58d6-4d08-8baa-ad35f80a257f"}
album: Orlane
  type: MusicAlbum
  date published: 2019-07-24
album: Music and Writing
  type: MusicAlbum
  date published: 2019-08-24
album: Highway
  type: MusicAlbum
  date published: 2022-10-19
album: Home
  type: MusicAlbum
  date published: 2023-03-01
album: Home
  type: MusicAlbum
  date published: 2023-03-01
album: Selah
  type: MusicAlbum
  date published: 2025-01-03