Klaus Handsome
type: MusicGroup
genre: acid rock
genre: dansktop
popularity: 2
followers: 366
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cf67dbb9ac163f2095a691b2493d6dbdd97d612db7acc672d1a6793af999e28
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9463e0c7-c7e8-43e1-af0f-adb2c6006d07.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9463e0c7-c7e8-43e1-af0f-adb2c6006d07.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9463e0c7-c7e8-43e1-af0f-adb2c6006d07
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8cf67dbb9ac163f2095a691b2493d6dbdd97d612db7acc672d1a6793af999e28","name":"Klaus Handsome","registered_at":"2026-06-17T17:29:20Z","symbol":"NIM1467319","token_address":"0x2888c5465dd0344e49cbcb90ae31442a448bf424","type":"artist","uuid":"9463e0c7-c7e8-43e1-af0f-adb2c6006d07"}
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 0x8cf67dbb9ac163f2095a691b2493d6dbdd97d612db7acc672d1a6793af999e28. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9463e0c7-c7e8-43e1-af0f-adb2c6006d07.json and https://artists.proofprofile.net/proofs/artist/9463e0c7-c7e8-43e1-af0f-adb2c6006d07.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x8cf67dbb9ac163f2095a691b2493d6dbdd97d612db7acc672d1a6793af999e28","name":"Klaus Handsome","registered_at":"2026-06-17T17:29:20Z","symbol":"NIM1467319","token_address":"0x2888c5465dd0344e49cbcb90ae31442a448bf424","type":"artist","uuid":"9463e0c7-c7e8-43e1-af0f-adb2c6006d07"}
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