Kardo Blonde
type: MusicGroup
popularity: 3
followers: 426
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0396faab89df3d3270f2ff87ca5975dcd06577d860309c02dae9ff4aa77c1541
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9e7cca4b-5977-4716-be3f-3014c37c0eb0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9e7cca4b-5977-4716-be3f-3014c37c0eb0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9e7cca4b-5977-4716-be3f-3014c37c0eb0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0396faab89df3d3270f2ff87ca5975dcd06577d860309c02dae9ff4aa77c1541","name":"Kardo Blonde","registered_at":"2026-06-20T04:49:20Z","symbol":"NIM1517174","token_address":"0xdc52cc11910c315a26ff328b19ee4f44aeb925db","type":"artist","uuid":"9e7cca4b-5977-4716-be3f-3014c37c0eb0"}
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 0x0396faab89df3d3270f2ff87ca5975dcd06577d860309c02dae9ff4aa77c1541. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9e7cca4b-5977-4716-be3f-3014c37c0eb0.json and https://artists.proofprofile.net/proofs/artist/9e7cca4b-5977-4716-be3f-3014c37c0eb0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0x0396faab89df3d3270f2ff87ca5975dcd06577d860309c02dae9ff4aa77c1541","name":"Kardo Blonde","registered_at":"2026-06-20T04:49:20Z","symbol":"NIM1517174","token_address":"0xdc52cc11910c315a26ff328b19ee4f44aeb925db","type":"artist","uuid":"9e7cca4b-5977-4716-be3f-3014c37c0eb0"}
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