HvmanoCZ
type: MusicGroup
popularity: 5
followers: 206
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f60407eccd22e1d4243292e3cabf7c9b87138abeb2c458fc72fff0a72fc081b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954689
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954689
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e1eeebed-2e5e-4536-a7ec-8800cc874fd0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e1eeebed-2e5e-4536-a7ec-8800cc874fd0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e1eeebed-2e5e-4536-a7ec-8800cc874fd0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T10:35:31Z
additional property: OTSCanonicalRecord
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 0x4f60407eccd22e1d4243292e3cabf7c9b87138abeb2c458fc72fff0a72fc081b. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e1eeebed-2e5e-4536-a7ec-8800cc874fd0.json and https://artists.proofprofile.net/proofs/artist/e1eeebed-2e5e-4536-a7ec-8800cc874fd0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T10:35:31Z
album: Moja Żabcia 2 - Instrumental
  type: MusicAlbum
  date published: 2022-04-01
album: Moja Żabcia 2
  type: MusicAlbum
  date published: 2022-04-01
album: Moja Żabcia 2
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  date published: 2022-04-01
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2022-08-19
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  date published: 2022-08-26
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  type: MusicAlbum
  date published: 2023-05-01
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  type: MusicAlbum
  date published: 2023-06-23
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  type: MusicAlbum
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  date published: 2024-03-16
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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