Narko Marko
type: MusicGroup
popularity: 4
followers: 151
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2362e87cab6e1b84f6ecd47f92848e99460f10904376f20a4ffc671176c003e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953907
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953907
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17f3d6a1-84d1-496f-9f5d-8967b6eba338.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17f3d6a1-84d1-496f-9f5d-8967b6eba338.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/17f3d6a1-84d1-496f-9f5d-8967b6eba338
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:39:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2362e87cab6e1b84f6ecd47f92848e99460f10904376f20a4ffc671176c003e1","name":"Narko Marko","registered_at":"2026-06-15T21:48:44Z","symbol":"NIM0842037","token_address":"0x48f9064a832734a2008b0bdda506e7aafb677051","type":"artist","uuid":"17f3d6a1-84d1-496f-9f5d-8967b6eba338"}
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 0x2362e87cab6e1b84f6ecd47f92848e99460f10904376f20a4ffc671176c003e1. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/17f3d6a1-84d1-496f-9f5d-8967b6eba338.json and https://artists.proofprofile.net/proofs/artist/17f3d6a1-84d1-496f-9f5d-8967b6eba338.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:39:24Z
  text: {"copyright_id":"0x2362e87cab6e1b84f6ecd47f92848e99460f10904376f20a4ffc671176c003e1","name":"Narko Marko","registered_at":"2026-06-15T21:48:44Z","symbol":"NIM0842037","token_address":"0x48f9064a832734a2008b0bdda506e7aafb677051","type":"artist","uuid":"17f3d6a1-84d1-496f-9f5d-8967b6eba338"}
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  type: MusicAlbum
  date published: 2024-02-20
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  type: MusicAlbum
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