Kärntner Madrigalchor Klagenfurt
type: MusicGroup
popularity: 5
followers: 242
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d89beac9c3adbafb800c9aad79d7fd6f6deb7f674e88dc6ef1bddcae1644a74
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/847223d4-3e69-4b56-bf7c-6ad54077a634.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/847223d4-3e69-4b56-bf7c-6ad54077a634.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/847223d4-3e69-4b56-bf7c-6ad54077a634
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5d89beac9c3adbafb800c9aad79d7fd6f6deb7f674e88dc6ef1bddcae1644a74","name":"Kärntner Madrigalchor Klagenfurt","registered_at":"2026-06-17T11:48:55Z","symbol":"NIM1386153","token_address":"0x97a1f58eac6a511f4e67ab5a1962426df6c7ceb8","type":"artist","uuid":"847223d4-3e69-4b56-bf7c-6ad54077a634"}
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 0x5d89beac9c3adbafb800c9aad79d7fd6f6deb7f674e88dc6ef1bddcae1644a74. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/847223d4-3e69-4b56-bf7c-6ad54077a634.json and https://artists.proofprofile.net/proofs/artist/847223d4-3e69-4b56-bf7c-6ad54077a634.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x5d89beac9c3adbafb800c9aad79d7fd6f6deb7f674e88dc6ef1bddcae1644a74","name":"Kärntner Madrigalchor Klagenfurt","registered_at":"2026-06-17T11:48:55Z","symbol":"NIM1386153","token_address":"0x97a1f58eac6a511f4e67ab5a1962426df6c7ceb8","type":"artist","uuid":"847223d4-3e69-4b56-bf7c-6ad54077a634"}
album: Alte und neue Kärntnerlieder
  type: MusicAlbum
  date published: 1988
album: Die Scheanste Zeit - Alte und neue Kärntnerlieder (II)
  type: MusicAlbum
  date published: 1989
album: Friede
  type: MusicAlbum
  date published: 1991
album: Da Wind waht
  type: MusicAlbum
  date published: 1995
album: 50 Jahre
  type: MusicAlbum
  date published: 1998
album: Festliche Weihnacht
  type: MusicAlbum
  date published: 2010-12-23