Willy Cardiac
type: MusicGroup
popularity: 4
followers: 7094
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6250de0e493e214491fe61009bd4783b8d993f7a3e6ed802d898a7c70d3a1dcc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da189dd1-f476-4497-a5e1-a9b67d19af96.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da189dd1-f476-4497-a5e1-a9b67d19af96.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/da189dd1-f476-4497-a5e1-a9b67d19af96
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6250de0e493e214491fe61009bd4783b8d993f7a3e6ed802d898a7c70d3a1dcc","name":"Willy Cardiac","registered_at":"2026-06-21T04:06:34Z","symbol":"NIM1813862","token_address":"0x0d21707c55ff99546ede527ae6722ee95c0a10f8","type":"artist","uuid":"da189dd1-f476-4497-a5e1-a9b67d19af96"}
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 0x6250de0e493e214491fe61009bd4783b8d993f7a3e6ed802d898a7c70d3a1dcc. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da189dd1-f476-4497-a5e1-a9b67d19af96.json and https://artists.proofprofile.net/proofs/artist/da189dd1-f476-4497-a5e1-a9b67d19af96.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0x6250de0e493e214491fe61009bd4783b8d993f7a3e6ed802d898a7c70d3a1dcc","name":"Willy Cardiac","registered_at":"2026-06-21T04:06:34Z","symbol":"NIM1813862","token_address":"0x0d21707c55ff99546ede527ae6722ee95c0a10f8","type":"artist","uuid":"da189dd1-f476-4497-a5e1-a9b67d19af96"}
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