Küchl Quartet
type: MusicGroup
genre: chamber music
popularity: 11
followers: 45
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1a65a89bfc0b87bca20f6a5d50147954bc7098a4d1b196f7598610efe7d03a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953596
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953596
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0946fae3-d76b-48bf-8280-9897aba6b622.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0946fae3-d76b-48bf-8280-9897aba6b622.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0946fae3-d76b-48bf-8280-9897aba6b622
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T06:21:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd1a65a89bfc0b87bca20f6a5d50147954bc7098a4d1b196f7598610efe7d03a6","name":"Küchl Quartet","registered_at":"2026-06-14T05:23:36Z","symbol":"NIM0351712","token_address":"0x7a5d41ec4eaab6480b9f41ba48eb124b4df53a6f","type":"artist","uuid":"0946fae3-d76b-48bf-8280-9897aba6b622"}
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 0xd1a65a89bfc0b87bca20f6a5d50147954bc7098a4d1b196f7598610efe7d03a6. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0946fae3-d76b-48bf-8280-9897aba6b622.json and https://artists.proofprofile.net/proofs/artist/0946fae3-d76b-48bf-8280-9897aba6b622.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T06:21:39Z
  text: {"copyright_id":"0xd1a65a89bfc0b87bca20f6a5d50147954bc7098a4d1b196f7598610efe7d03a6","name":"Küchl Quartet","registered_at":"2026-06-14T05:23:36Z","symbol":"NIM0351712","token_address":"0x7a5d41ec4eaab6480b9f41ba48eb124b4df53a6f","type":"artist","uuid":"0946fae3-d76b-48bf-8280-9897aba6b622"}