Luzerner Singer
type: MusicGroup
genre: choral
popularity: 2
followers: 24
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a1124190c8511874aaa0bdbb44eff89318a6b74079ad5f1991ba81e7a7e221e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/11fd37c3-601e-4214-ab70-d9e08f0d77ec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/11fd37c3-601e-4214-ab70-d9e08f0d77ec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/11fd37c3-601e-4214-ab70-d9e08f0d77ec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8a1124190c8511874aaa0bdbb44eff89318a6b74079ad5f1991ba81e7a7e221e","name":"Luzerner Singer","registered_at":"2026-06-15T20:03:01Z","symbol":"NIM0816829","token_address":"0x195fa046cd29fa62b6c0bd61a0f7c2f0e8b174f2","type":"artist","uuid":"11fd37c3-601e-4214-ab70-d9e08f0d77ec"}
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 0x8a1124190c8511874aaa0bdbb44eff89318a6b74079ad5f1991ba81e7a7e221e. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/11fd37c3-601e-4214-ab70-d9e08f0d77ec.json and https://artists.proofprofile.net/proofs/artist/11fd37c3-601e-4214-ab70-d9e08f0d77ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x8a1124190c8511874aaa0bdbb44eff89318a6b74079ad5f1991ba81e7a7e221e","name":"Luzerner Singer","registered_at":"2026-06-15T20:03:01Z","symbol":"NIM0816829","token_address":"0x195fa046cd29fa62b6c0bd61a0f7c2f0e8b174f2","type":"artist","uuid":"11fd37c3-601e-4214-ab70-d9e08f0d77ec"}
album: Du fragsch, was i möchte singe - Volkslieder der Schweiz
  type: MusicAlbum
  date published: 1978-02-24
album: Musik in Luzern: A Capella Chormusik (A Capella Choir Music)
  type: MusicAlbum
  date published: 2014-10-13