Kat & Roman Kostrzewski
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe436ef322a6d1f562418588542e7179353dfa411421254d6ec23765ca0ec6fff. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0f24c8f3-c1f4-46cf-9435-1af769a50ca9.json and https://artists.proofprofile.net/proofs/artist/0f24c8f3-c1f4-46cf-9435-1af769a50ca9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Biało-czarna
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  date published: 2011-04-11
  track: Bara
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  track: Maryja omen
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  track: Szkarłatny wir
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  track: Diabelski dom IV
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  track: Milczy trup
  track: Wolni od klęczenia
  track: Kupa świąt
  track: Bieluń
  track: Z boskim zyskiem
  track: Kapucyn zamknął drzwi
album: Buk-Akustycznie
album: Buk - Akustycznie
album: 666
track: Łza dla cieniów minionych
track: Diabelski dom cz. I
track: Wyrocznia
track: Noce Szatana
track: Diabelski dom cz. III
track: Metal i piekło
track: Głos z Ciemności
track: Morderca
track: Masz mnie wampirze
track: Czarne zastępy
track: Czas zemsty
track: 666
track: Trzeba zasnąć
track: Odi profanum vulgus
track: Śpisz jak kamień
track: Robak
track: Spojrzenie
track: Szkarłatny wir

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Milczy trup
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Wolni od klęczenia
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Kupa świąt
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Bieluń
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Z boskim zyskiem
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Kapucyn zamknął drzwi
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Buk-Akustycznie
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track: Czas Zemsty
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track: Śpisz Jak Kamień
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track: Łza Dla Cieniów Minionych
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track: Odi Profanum Vulgus
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track: Spojrzenie
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track: Kszila
track: Głos z Ciemności
track: Robak
track: Szkarłatny Wir
track: Wolni Od Klęczenia
track: Łoże Wspólne Lecz Przytulne
track: Trzeba Zasnąć

Spojrzenie
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Kszila
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Głos z Ciemności
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Robak
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Szkarłatny Wir
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Wolni Od Klęczenia
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Łoże Wspólne Lecz Przytulne
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Trzeba Zasnąć
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Buk - Akustycznie
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track: Łza dla cieniów minionych
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track: Odi profanum vulgus
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track: Spojrzenie
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track: Łoże wspólne lecz przytulne
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Diabelski dom cz. I
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Głos z Ciemności
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Robak
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Szkarłatny wir
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Wolni od klęczenia
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Łoże wspólne lecz przytulne
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Trzeba zasnąć
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666
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Noce Szatana
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Diabelski dom cz. III
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Metal i piekło
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Głos z Ciemności
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Morderca
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Masz mnie wampirze
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Czarne zastępy
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Czas zemsty
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666
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Trzeba zasnąć
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Diabelski dom cz. I
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Czas zemsty
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Odi profanum vulgus
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Śpisz jak kamień
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Robak
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Spojrzenie
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Szkarłatny wir
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