Mariani Klavierquartett
type: MusicGroup
genre: chamber music
popularity: 2
followers: 93
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x755c4d11197c6c39537deee6d2fb14aee5eeb0cba47a855c4e6b5e0dfbcbeb56
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d04402df-edaf-41b6-8641-a190a492e011.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d04402df-edaf-41b6-8641-a190a492e011.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d04402df-edaf-41b6-8641-a190a492e011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x755c4d11197c6c39537deee6d2fb14aee5eeb0cba47a855c4e6b5e0dfbcbeb56","name":"Mariani Klavierquartett","registered_at":"2026-06-21T00:50:07Z","symbol":"NIM1768417","token_address":"0xa1725477b41669754ce536c1c12c7f0556c3df35","type":"artist","uuid":"d04402df-edaf-41b6-8641-a190a492e011"}
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 0x755c4d11197c6c39537deee6d2fb14aee5eeb0cba47a855c4e6b5e0dfbcbeb56. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d04402df-edaf-41b6-8641-a190a492e011.json and https://artists.proofprofile.net/proofs/artist/d04402df-edaf-41b6-8641-a190a492e011.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0x755c4d11197c6c39537deee6d2fb14aee5eeb0cba47a855c4e6b5e0dfbcbeb56","name":"Mariani Klavierquartett","registered_at":"2026-06-21T00:50:07Z","symbol":"NIM1768417","token_address":"0xa1725477b41669754ce536c1c12c7f0556c3df35","type":"artist","uuid":"d04402df-edaf-41b6-8641-a190a492e011"}
album: Phantasy
  type: MusicAlbum
  date published: 2013-09-24
album: Phantasy
  type: MusicAlbum
  date published: 2013-09-24
album: Idée fixe, Vol. 1
  type: MusicAlbum
  date published: 2017-06-16
album: Idée fixe, Vol. 1
  type: MusicAlbum
  date published: 2017-06-16
album: Idée fixe, Vol. 2
  type: MusicAlbum
  date published: 2020-02-07
album: Brahms & Gernsheim: Piano Quartets
  type: MusicAlbum
  date published: 2021-05-07
album: Brahms & Gernsheim: Piano Quartets, Vol. 2
  type: MusicAlbum
  date published: 2022-10-14
album: Brahms & Gernsheim Vol. 3
  type: MusicAlbum
  date published: 2025-04-25