Данко
type: MusicGroup
popularity: 16
followers: 1536
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc1a6191873c0d15bae0efc1ee91ad502731ac832cf67fda269ade6bc3a3b440
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953641
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953641
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3a33500b-7d89-47a2-a2a8-a1e427d77c10.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3a33500b-7d89-47a2-a2a8-a1e427d77c10.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3a33500b-7d89-47a2-a2a8-a1e427d77c10
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T13:54:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcc1a6191873c0d15bae0efc1ee91ad502731ac832cf67fda269ade6bc3a3b440","name":"Данко","registered_at":"2026-06-14T10:32:27Z","symbol":"NIM0425344","token_address":"0x5b1fb11c8fcdb23595ae9a82e161ece97b62b50e","type":"artist","uuid":"3a33500b-7d89-47a2-a2a8-a1e427d77c10"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc1a6191873c0d15bae0efc1ee91ad502731ac832cf67fda269ade6bc3a3b440. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3a33500b-7d89-47a2-a2a8-a1e427d77c10.json and https://artists.proofprofile.net/proofs/artist/3a33500b-7d89-47a2-a2a8-a1e427d77c10.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T13:54:28Z
  text: {"copyright_id":"0xcc1a6191873c0d15bae0efc1ee91ad502731ac832cf67fda269ade6bc3a3b440","name":"Данко","registered_at":"2026-06-14T10:32:27Z","symbol":"NIM0425344","token_address":"0x5b1fb11c8fcdb23595ae9a82e161ece97b62b50e","type":"artist","uuid":"3a33500b-7d89-47a2-a2a8-a1e427d77c10"}
album: Данко
  type: MusicAlbum
  date published: 1999-01-01
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  date published: 2001-01-01
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  date published: 2014-03-27
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2016-07-13
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  date published: 2023-03-10
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  type: MusicAlbum
  date published: 2023-11-21
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  type: MusicAlbum
  date published: 2024-02-23
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