Cat Carlzzon
type: MusicGroup
genre: epadunk
popularity: 3
followers: 114
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8af2a870defa47ad73b034f1f45ca0fe73b9af753936f4c12c3b15e8e8c94d7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954055
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954055
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/44274e6a-f059-4a32-99a6-54b60675918d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/44274e6a-f059-4a32-99a6-54b60675918d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/44274e6a-f059-4a32-99a6-54b60675918d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T05:51:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8af2a870defa47ad73b034f1f45ca0fe73b9af753936f4c12c3b15e8e8c94d7d","name":"Cat Carlzzon","registered_at":"2026-06-16T13:25:38Z","symbol":"NIM1065700","token_address":"0x65237d378ba32d27f12834e2dc16c5e0c441a56f","type":"artist","uuid":"44274e6a-f059-4a32-99a6-54b60675918d"}
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 0x8af2a870defa47ad73b034f1f45ca0fe73b9af753936f4c12c3b15e8e8c94d7d. Chain 2 (Bitcoin): anchored in block 954055 (2026-06-17T05:51:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/44274e6a-f059-4a32-99a6-54b60675918d.json and https://artists.proofprofile.net/proofs/artist/44274e6a-f059-4a32-99a6-54b60675918d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T05:51:24Z
  text: {"copyright_id":"0x8af2a870defa47ad73b034f1f45ca0fe73b9af753936f4c12c3b15e8e8c94d7d","name":"Cat Carlzzon","registered_at":"2026-06-16T13:25:38Z","symbol":"NIM1065700","token_address":"0x65237d378ba32d27f12834e2dc16c5e0c441a56f","type":"artist","uuid":"44274e6a-f059-4a32-99a6-54b60675918d"}