Walter Boeykens
type: MusicGroup
description: Walter, Knight Boeykens (January 6, 1938 – April 23, 2013) was a Belgian conductor and a world-renowned clarinetist. Boeykens' impressive discography, including several critically acclaimed performanc
popularity: 9
followers: 426
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3704d73ff475244733747c13e8635b3ec8e64baaeb43e8c5cb489ce1cc8083ce
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/4cf84592-f97b-4d52-849f-d11aa8f9b13c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4cf84592-f97b-4d52-849f-d11aa8f9b13c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4cf84592-f97b-4d52-849f-d11aa8f9b13c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3704d73ff475244733747c13e8635b3ec8e64baaeb43e8c5cb489ce1cc8083ce","name":"Walter Boeykens","registered_at":"2026-06-16T16:22:14Z","symbol":"NIM1107849","token_address":"0x4000b8027fbb8ed4803416b8c5f68fc4bcc7e5b1","type":"artist","uuid":"4cf84592-f97b-4d52-849f-d11aa8f9b13c"}
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 0x3704d73ff475244733747c13e8635b3ec8e64baaeb43e8c5cb489ce1cc8083ce. 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/4cf84592-f97b-4d52-849f-d11aa8f9b13c.json and https://artists.proofprofile.net/proofs/artist/4cf84592-f97b-4d52-849f-d11aa8f9b13c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x3704d73ff475244733747c13e8635b3ec8e64baaeb43e8c5cb489ce1cc8083ce","name":"Walter Boeykens","registered_at":"2026-06-16T16:22:14Z","symbol":"NIM1107849","token_address":"0x4000b8027fbb8ed4803416b8c5f68fc4bcc7e5b1","type":"artist","uuid":"4cf84592-f97b-4d52-849f-d11aa8f9b13c"}
album: Krommer & Hoffmeister: Clarinet Concertos
  type: MusicAlbum
  date published: 1996
album: Krommer & Hoffmeister: Clarinet Concertos
  type: MusicAlbum
  date published: 1996
album: Bernstein, Pierné, Schumann, Poulenc ... Clarinet Masterclass Vol 1
  type: MusicAlbum
  date published: 2005-01-01
album: Bernstein, Pierné, Schumann, Poulenc ... Clarinet Masterclass Vol 1
  type: MusicAlbum
  date published: 2005-01-01
album: Françaix, Verbesselt & Poot: Concertos for Clarinet
  type: MusicAlbum
  date published: 2008-06-02