Flux Quartet
type: MusicGroup
genre: avant-garde
genre: chamber music
genre: minimalism
description: The FLUX Quartet is an American string quartet dedicated to the performance of contemporary classical music. It was founded in 1998 and is based in New York City. The group is renowned for its perfo
popularity: 3
followers: 584
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75ba96716caa610d853ca78b73e60437ab46763ecaf36ffffb8b7fc220421494
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/77c1d9a1-3390-457c-8e0a-3d4bd6ecd504.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/77c1d9a1-3390-457c-8e0a-3d4bd6ecd504.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/77c1d9a1-3390-457c-8e0a-3d4bd6ecd504
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x75ba96716caa610d853ca78b73e60437ab46763ecaf36ffffb8b7fc220421494","name":"Flux Quartet","registered_at":"2026-06-17T07:23:33Z","symbol":"NIM1322904","token_address":"0xabc511e7842ede17d8fde483360681231d2cdd85","type":"artist","uuid":"77c1d9a1-3390-457c-8e0a-3d4bd6ecd504"}
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 0x75ba96716caa610d853ca78b73e60437ab46763ecaf36ffffb8b7fc220421494. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/77c1d9a1-3390-457c-8e0a-3d4bd6ecd504.json and https://artists.proofprofile.net/proofs/artist/77c1d9a1-3390-457c-8e0a-3d4bd6ecd504.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T15:44:10Z
  text: {"copyright_id":"0x75ba96716caa610d853ca78b73e60437ab46763ecaf36ffffb8b7fc220421494","name":"Flux Quartet","registered_at":"2026-06-17T07:23:33Z","symbol":"NIM1322904","token_address":"0xabc511e7842ede17d8fde483360681231d2cdd85","type":"artist","uuid":"77c1d9a1-3390-457c-8e0a-3d4bd6ecd504"}
album: Feldman: String Quartet No. 1, Structures & 3 Pieces
  type: MusicAlbum
  date published: 2014-06-24