Dauda Koroma
type: MusicGroup
genre: finnish hip hop
popularity: 8
followers: 338
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2588ce60a7ef18b0d5b67038859f10813673bb096f1a4e74d4df9d230dca49d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/063e2f67-cf7c-46ba-8ffd-280af53f5c75.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/063e2f67-cf7c-46ba-8ffd-280af53f5c75.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/063e2f67-cf7c-46ba-8ffd-280af53f5c75
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc2588ce60a7ef18b0d5b67038859f10813673bb096f1a4e74d4df9d230dca49d","name":"Dauda Koroma","registered_at":"2026-06-15T15:37:11Z","symbol":"NIM0753404","token_address":"0xb4f64ee8d210c958c8cd38aa056719d2586289cb","type":"artist","uuid":"063e2f67-cf7c-46ba-8ffd-280af53f5c75"}
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 0xc2588ce60a7ef18b0d5b67038859f10813673bb096f1a4e74d4df9d230dca49d. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/063e2f67-cf7c-46ba-8ffd-280af53f5c75.json and https://artists.proofprofile.net/proofs/artist/063e2f67-cf7c-46ba-8ffd-280af53f5c75.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xc2588ce60a7ef18b0d5b67038859f10813673bb096f1a4e74d4df9d230dca49d","name":"Dauda Koroma","registered_at":"2026-06-15T15:37:11Z","symbol":"NIM0753404","token_address":"0xb4f64ee8d210c958c8cd38aa056719d2586289cb","type":"artist","uuid":"063e2f67-cf7c-46ba-8ffd-280af53f5c75"}
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