Citizen Down
type: MusicGroup
genre: progressive metal
popularity: 2
followers: 106
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a72c2966e02f5deb17f3e97ca5e70b3f5c3a9b80b3068e846cba7f326609285
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953997
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953997
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d832053-72a1-4370-a30d-df0663b0045d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d832053-72a1-4370-a30d-df0663b0045d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1d832053-72a1-4370-a30d-df0663b0045d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:07:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3a72c2966e02f5deb17f3e97ca5e70b3f5c3a9b80b3068e846cba7f326609285","name":"Citizen Down","registered_at":"2026-06-16T00:06:38Z","symbol":"NIM0874952","token_address":"0x4d75de277b8991409312d43bf5b8fd0cd409267c","type":"artist","uuid":"1d832053-72a1-4370-a30d-df0663b0045d"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a72c2966e02f5deb17f3e97ca5e70b3f5c3a9b80b3068e846cba7f326609285. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d832053-72a1-4370-a30d-df0663b0045d.json and https://artists.proofprofile.net/proofs/artist/1d832053-72a1-4370-a30d-df0663b0045d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0x3a72c2966e02f5deb17f3e97ca5e70b3f5c3a9b80b3068e846cba7f326609285","name":"Citizen Down","registered_at":"2026-06-16T00:06:38Z","symbol":"NIM0874952","token_address":"0x4d75de277b8991409312d43bf5b8fd0cd409267c","type":"artist","uuid":"1d832053-72a1-4370-a30d-df0663b0045d"}
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