Zsolt Gárdonyi
type: MusicGroup
description: Zsolt Gárdonyi (born 21 March 1946) is a German-Hungarian composer, organist and music theorist. He is the son of Zoltán Gárdonyi. Career Gárdonyi was born in Budapest, Hungary. He studied composit
popularity: 2
followers: 160
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5b9ef7fc6fa50af454867ff72d872884e0d3f4cefcbd7057f8dfa7bd8b838bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8a845bc-339b-4744-9083-9e7bff86e1ae.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8a845bc-339b-4744-9083-9e7bff86e1ae.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b8a845bc-339b-4744-9083-9e7bff86e1ae
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe5b9ef7fc6fa50af454867ff72d872884e0d3f4cefcbd7057f8dfa7bd8b838bd","name":"Zsolt Gárdonyi","registered_at":"2026-06-20T15:40:59Z","symbol":"NIM1647433","token_address":"0xd058e0329831b18a27cfc1a88de5e96c5daf0b75","type":"artist","uuid":"b8a845bc-339b-4744-9083-9e7bff86e1ae"}
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 0xe5b9ef7fc6fa50af454867ff72d872884e0d3f4cefcbd7057f8dfa7bd8b838bd. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8a845bc-339b-4744-9083-9e7bff86e1ae.json and https://artists.proofprofile.net/proofs/artist/b8a845bc-339b-4744-9083-9e7bff86e1ae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
  text: {"copyright_id":"0xe5b9ef7fc6fa50af454867ff72d872884e0d3f4cefcbd7057f8dfa7bd8b838bd","name":"Zsolt Gárdonyi","registered_at":"2026-06-20T15:40:59Z","symbol":"NIM1647433","token_address":"0xd058e0329831b18a27cfc1a88de5e96c5daf0b75","type":"artist","uuid":"b8a845bc-339b-4744-9083-9e7bff86e1ae"}
album: Gárdonyi Chorwerke - Kórusmüvek - Choral Works
  type: MusicAlbum
  date published: 2021-03-19