Aron Quartet
type: MusicGroup
genre: chamber music
description: The aron quartet is a string quartet ensemble which was founded in 1998 by Ludwig Müller, Barna Kobori, and Christophe Pantillon, four musicians working in Vienna. Their artistic careers have been de
popularity: 2
followers: 160
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39c0bb0c0f00d1d473af3e8abd8b07dba24feb3101fc9410a620177ecbc1ef30
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954017
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954017
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/373f3aa2-619b-4979-83b1-4c4a20bd070c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/373f3aa2-619b-4979-83b1-4c4a20bd070c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/373f3aa2-619b-4979-83b1-4c4a20bd070c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T23:38:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39c0bb0c0f00d1d473af3e8abd8b07dba24feb3101fc9410a620177ecbc1ef30","name":"Aron Quartet","registered_at":"2026-06-16T08:47:34Z","symbol":"NIM0999373","token_address":"0xcf51fd98b7abd640e503f5e504c7e1049a4c4d89","type":"artist","uuid":"373f3aa2-619b-4979-83b1-4c4a20bd070c"}
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 0x39c0bb0c0f00d1d473af3e8abd8b07dba24feb3101fc9410a620177ecbc1ef30. Chain 2 (Bitcoin): anchored in block 954019 (2026-06-16T23:44:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/373f3aa2-619b-4979-83b1-4c4a20bd070c.json and https://artists.proofprofile.net/proofs/artist/373f3aa2-619b-4979-83b1-4c4a20bd070c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T23:44:13Z
  text: {"copyright_id":"0x39c0bb0c0f00d1d473af3e8abd8b07dba24feb3101fc9410a620177ecbc1ef30","name":"Aron Quartet","registered_at":"2026-06-16T08:47:34Z","symbol":"NIM0999373","token_address":"0xcf51fd98b7abd640e503f5e504c7e1049a4c4d89","type":"artist","uuid":"373f3aa2-619b-4979-83b1-4c4a20bd070c"}
album: Korngold: String Sextet, Op. 10 & Suite, Op. 23
  type: MusicAlbum
  date published: 2014-01-28