Barzan Qarahanjiri
type: MusicGroup
popularity: 2
followers: 11
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4c1e1525a0f5d225358cdd1abfadbdeb67ce142038e8326460a0daced5a5a3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953867
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953867
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/05a909ad-b284-4325-a34a-a7419c17b557.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/05a909ad-b284-4325-a34a-a7419c17b557.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/05a909ad-b284-4325-a34a-a7419c17b557
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:09:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd4c1e1525a0f5d225358cdd1abfadbdeb67ce142038e8326460a0daced5a5a3f","name":"Barzan Qarahanjiri","registered_at":"2026-06-15T15:36:14Z","symbol":"NIM0753171","token_address":"0xb1d58544370fd92c3b893cf20a67061b36f305c3","type":"artist","uuid":"05a909ad-b284-4325-a34a-a7419c17b557"}
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 0xd4c1e1525a0f5d225358cdd1abfadbdeb67ce142038e8326460a0daced5a5a3f. Chain 2 (Bitcoin): anchored in block 953867 (2026-06-16T01:09:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/05a909ad-b284-4325-a34a-a7419c17b557.json and https://artists.proofprofile.net/proofs/artist/05a909ad-b284-4325-a34a-a7419c17b557.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T01:09:47Z
  text: {"copyright_id":"0xd4c1e1525a0f5d225358cdd1abfadbdeb67ce142038e8326460a0daced5a5a3f","name":"Barzan Qarahanjiri","registered_at":"2026-06-15T15:36:14Z","symbol":"NIM0753171","token_address":"0xb1d58544370fd92c3b893cf20a67061b36f305c3","type":"artist","uuid":"05a909ad-b284-4325-a34a-a7419c17b557"}
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