Duo d'Accord
type: MusicGroup
genre: classical piano
popularity: 4
followers: 69
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0ead1add568f45fc5669dd15afe4f3348f455e96f315e0765316eac325e26003
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/649a2798-e6b7-4da3-8983-26787085d89f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/649a2798-e6b7-4da3-8983-26787085d89f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/649a2798-e6b7-4da3-8983-26787085d89f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0ead1add568f45fc5669dd15afe4f3348f455e96f315e0765316eac325e26003","name":"Duo d'Accord","registered_at":"2026-06-17T00:43:36Z","symbol":"NIM1227453","token_address":"0xa9ba2742d12e8742481c635b5c7e5105b400eadc","type":"artist","uuid":"649a2798-e6b7-4da3-8983-26787085d89f"}
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 0x0ead1add568f45fc5669dd15afe4f3348f455e96f315e0765316eac325e26003. 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/649a2798-e6b7-4da3-8983-26787085d89f.json and https://artists.proofprofile.net/proofs/artist/649a2798-e6b7-4da3-8983-26787085d89f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x0ead1add568f45fc5669dd15afe4f3348f455e96f315e0765316eac325e26003","name":"Duo d'Accord","registered_at":"2026-06-17T00:43:36Z","symbol":"NIM1227453","token_address":"0xa9ba2742d12e8742481c635b5c7e5105b400eadc","type":"artist","uuid":"649a2798-e6b7-4da3-8983-26787085d89f"}
album: Orff: Carmina Burana
  type: MusicAlbum
  date published: 2012-01-01
album: Schonere Welten
  type: MusicAlbum
  date published: 2010-07-02
album: Tansman: Works for 2 Pianos
  type: MusicAlbum
  date published: 2018-06-08
album: Brahms: Sonata for 2 Pianos in F Minor, Op. 34bis & Piano Quintet in F Minor, Op. 34
  type: MusicAlbum
  date published: 2017-04-21
album: Bachiana
  type: MusicAlbum
  date published: 2015-11-06
album: Hommage à Weber
  type: MusicAlbum
  date published: 2014-10-07
album: D'Accord: Works For Piano Duo
  type: MusicAlbum
  date published: 2007-01-01
album: Schumann: Bilder aus Osten, Op. 66, Andante and Variations, Op. 46 & Piano Quintet, Op. 44
  type: MusicAlbum
  date published: 2006-01-01
album: Reger, M.: 6 Pieces, Op. 94 / 6 Burlesken, Op. 58 / Variations and Fugue On A Theme of Beethoven, Op. 86 (Works for Piano Duo) (Duo D'Accord)
  type: MusicAlbum
  date published: 2004-01-01