Kostas Karapanagiotidis
type: MusicGroup
genre: laïko
popularity: 7
followers: 919
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdbdb914ba1929d7ebe63b628111c2fd942205daedd87bae8c09972c92976e0da
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6b82837e-6dba-4f5f-a052-cb9467788602.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6b82837e-6dba-4f5f-a052-cb9467788602.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6b82837e-6dba-4f5f-a052-cb9467788602
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdbdb914ba1929d7ebe63b628111c2fd942205daedd87bae8c09972c92976e0da","name":"Kostas Karapanagiotidis","registered_at":"2026-06-17T03:03:06Z","symbol":"NIM1260747","token_address":"0xab6aad1a3b08b28782710e6c9be5355f73c016c1","type":"artist","uuid":"6b82837e-6dba-4f5f-a052-cb9467788602"}
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 0xdbdb914ba1929d7ebe63b628111c2fd942205daedd87bae8c09972c92976e0da. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b82837e-6dba-4f5f-a052-cb9467788602.json and https://artists.proofprofile.net/proofs/artist/6b82837e-6dba-4f5f-a052-cb9467788602.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xdbdb914ba1929d7ebe63b628111c2fd942205daedd87bae8c09972c92976e0da","name":"Kostas Karapanagiotidis","registered_at":"2026-06-17T03:03:06Z","symbol":"NIM1260747","token_address":"0xab6aad1a3b08b28782710e6c9be5355f73c016c1","type":"artist","uuid":"6b82837e-6dba-4f5f-a052-cb9467788602"}
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