Mieczysław Fogg
type: MusicGroup
genre: tango
popularity: 31
followers: 24476
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subject of: OpenTimestamps Proof of Existence
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album: The Riddim Machine
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  track: Old's Cool
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-02T03:55:08Z
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  track: Hear Me Now Jah People
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  track: Any Means Necessary
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  track: Soulfly
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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  track: Money Ah Dem God
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    subject of: OpenTimestamps Proof of Existence
  track: Champions Anthem
  track: Living For Tomorrow
  track: Sweet & Nice
  track: International Currency - Dreadsquad Rmx
  track: Me Want
  track: Jump & Skip
  track: Sweet Thing
  track: Oh Mama
  track: When Jah Call
  track: To Ostatnia Niedziela - Dreadsquad Rmx
  track: Caravan - Radikal Guru Rmx
album: Twe słowa na rozstanie (1931-1939)
album: Piosenka stara jak świat
album: Tango Dance Collection Vol. 18
album: Retro Dance Hits of Eastern Europe Vol. 16: Mieczyslaw Fogg 06
album: Retro Dance Hits of Eastern Europe Vol. 15: Mieczyslaw Fogg 04
album: Retro Dance Hits of Eastern Europe Vol. 14: Mieczyslaw Fogg 04
album: Retro Dance Hits of Eastern Europe Vol. 13: Mieczyslaw Fogg 03
album: Retro Dance Hits of Eastern Europe Vol. 11: Mieczyslaw Fogg 01
album: Polish Popular Hits: Vol.1 1930-1940
album: Największe przeboje
album: Gramofonomanka
album: Noc cygańska
album: Jak gdyby nigdy nic
album: Jesienne róże (The Best)
album: Znane Przeboje
album: W Rytmie Tanga, Vol. 2
album: W Rytmie Tanga, Vol. 1
album: W Chorze Dana
album: Przeboje do Tanca
album: 40 Piosenek Mieczyslawa Fogga
album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
album: A ja sobie gram na gramafonie
album: Ukochana ja wroce
album: Zawsze bedzie czegos ci brak
album: Zapomniana piosenka
album: Niezapomniane przeboje
album: Oczarowanie
album: Wspomnienia dawnych dni
album: Co nam zostalo z tych lat - cykl 3
album: Co nam zostalo z tych lat - cykl 2
album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
album: Co nam zostalo z tych lat - cykl 1
album: Piosenki
album: 60 lat Polskich Nagrań
album: 65 Lat Polskiej Piosenki 2
album: Koncert Życzeń
album: Zakazane piosenki
album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
track: Juz taki jestem zimny dran
track: Jesienne róże
track: Umowilem Sie Z Nia Na Dziewiata ( From : ''Piętro wyżej'')
track: Tylko we Lwowie ( From : ''Włóczęgi'')
track: Muchacha [From : ''Caliente - miasto miłości'' (In Caliente) ]
track: Mam dwa bilety do kina
track: Jak gdyby nigdy nic (Gdy wrocisz)
track: Zazdrosc
track: Zamglone oczy
track: Najchetniej o milosci
track: Tej nocy czekam na ciebie
track: Znow tej nocy
track: Wspomnienia
track: Szkoda kazdej chwili
track: Badz zdrow, badz zdrowa
track: Moja pierwsza i ostatnia
track: Ostatni calus
track: Smutne Tango
track: Ach Ludwiko (bajka muzyczna ''Rozkoszna dziewczyna'')
track: Upojny walc

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47258a6c514afcf81731c682714f368271f1c95d842db1eea500caa87e3da59a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5e5kfKuAWpTnkj0WoRyTjx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5e5kfKuAWpTnkj0WoRyTjx.
date published: 2026-06-13T15:41:10Z
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Champions Anthem
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Living For Tomorrow
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Sweet & Nice
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by artist: EL FATA
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International Currency - Dreadsquad Rmx
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Me Want
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Jump & Skip
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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Sweet Thing
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subject of: OpenTimestamps Proof of Existence
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Oh Mama
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by artist: Dreadsquad
by artist: Deadly Hunta
in album: The Riddim Machine
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  date published: 2014-08-24
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When Jah Call
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by artist: Mr Diamond
by artist: Fabi Geez
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To Ostatnia Niedziela - Dreadsquad Rmx
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by artist: Dreadsquad
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Caravan - Radikal Guru Rmx
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by artist: Radikal Guru
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Twe słowa na rozstanie (1931-1939)
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  by artist: Władysław Daniłowski
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track: Kiedy będziesz zakochany, from “Parada Warszawy”
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  by artist: Bronislaw Horowicz
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track: Tej nocy czekam na ciebie
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  by artist: Jerzy Ryba
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track: Jedna, jedyna, from “Kobiety na sprzedaż”
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  by artist: Henryk Wars
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  by artist: Fred Scher
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  by artist: Isaak Dunayevsky
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track: Kochana
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  by artist: Władysław Daniłowski
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track: Jak gdyby nigdy nic / Gdy wrócisz po wielu długich latach
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  by artist: Fred Scher
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track: Po deszczu jest słońce
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  by artist: Mieczysław Fogg
  by artist: Vaughn
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track: Jeśli kochasz się w dziewczynie, from “Kot w worku” (z teatru “Cyrulik Warszawski”)
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  by artist: Władysław Szpilman
  in album: Twe słowa na rozstanie (1931-1939)
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track: Jesienne tango (Nostalgias)
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  by artist: Juan Carlos Cobián
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track: Żebyś ty wiedziała jak mi się chce!, from “Pociąg, dancing, żart, skecz” (z teatru “Banda”)
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  by artist: Fred Melodyst
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track: Winna jest wiosna dziewczyno
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  by artist: Alfred Schutz
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track: Całuję rączki
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track: Niebieskie róże, from “Taniec szczęścia”
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track: Nic o tobie nie wiem, from “Włóczęgi”
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track: Nie ma szczęścia bez miłości, from “Wrzos”
track: Całuję rączki, from “Teatr Banda”

Nie ma szczęścia bez miłości, from “Wrzos”
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Całuję rączki, from “Teatr Banda”
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by artist: Wiktor Krupiński
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Piosenka stara jak świat
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track: Ach Ludwiko (bajka muzyczna ''Rozkoszna dziewczyna'')
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  by artist: Ralph Benatzky
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track: Upojny walc
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  by artist: Mieczysław Fogg
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track: Nikt zmusić mnie nie może [From : ''Nicpo'' (Un mauvais garçon)]
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  by artist: Georges Van Parys
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track: Muchacha [From : ''Caliente - miasto miłości'' (In Caliente) ]
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track: Umowilem Sie Z Nia Na Dziewiata ( From : ''Piętro wyżej'')
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track: Jedna, jedyna ( From : ''Kobiety na sprzedaż'')
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  by artist: Henryk Wars
  by artist: Mieczysław Fogg
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track: Zapłakane oczy
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track: Czy ty wiesz, mój kochany
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  by artist: Jimmy Kennedy
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track: Tylko we Lwowie ( From : ''Włóczęgi'')
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track: Stara melodia
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  by artist: Mieczysław Wróblewski
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track: A jutro rano
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  by artist: Sam Coslow
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track: Murzynek Jim
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  by artist: Władysław Daniłowski
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track: Ballada cygańska
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track: Otwórz mi serce
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track: Smutno
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  by artist: Władysław Około-Kułak
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track: Zapomnę
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  by artist: Władysław Daniłowski
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track: Myśl o mnie
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  by artist: Władysław Daniłowski
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track: Piosenka stara jak świat
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track: Jest tylko jedna miłość
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  by artist: Sándor Rozsnyai
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track: Zostań
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  by artist: Romuald Roten
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track: Mariolu
track: Miłość przyszła sama
track: Waleria
track: Jesienne tango
track: Pamiętaj!
track: Nie ja, nie ty
track: Panna Anna
track: Twoje kwiaty
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track: Chciałbym znów miłość w twym sercu obudzić
track: Kiedy kochasz się w dziewczynie

Piosenka stara jak świat
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Mariolu
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Miłość przyszła sama
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by artist: Władysław Daniłowski
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  date published: 2019-07-10

Waleria
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by artist: Władysław Daniłowski
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Jesienne tango
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by artist: Mieczysław Fogg
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Pamiętaj!
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by artist: Zygmunt Lewandowski
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  date published: 2019-07-10

Nie ja, nie ty
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Panna Anna
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by artist: Mieczysław Fogg
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Twoje kwiaty
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by artist: Wiktor Krupiński
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Pensjonarka
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by artist: Wiktor Krupiński
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Chciałbym znów miłość w twym sercu obudzić
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by artist: Mieczysław Fogg
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  date published: 2019-07-10

Kiedy kochasz się w dziewczynie
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by artist: Mieczysław Fogg
by artist: Władysław Szpilman
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  type: MusicAlbum
  date published: 2019-07-10

Tango Dance Collection Vol. 18
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date published: 2022-10-15
track: Tango Andrusowskie
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  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
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track: Nadzieja
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  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
track: W Tej Piosence
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  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
track: Jak Już Popić…
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  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
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track: Skończona Pieśń
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  by artist: Mieczysław Fogg
  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
track: Rachela
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  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
track: Wiosną, Wiosną
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  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
track: Zazdrość
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  by artist: Mieczysław Fogg
  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
track: Pozdrowienie Od Gór
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  by artist: Mieczysław Fogg
  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
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track: Serce
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  duration ms: 184412
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  by artist: Mieczysław Fogg
  in album: Tango Dance Collection Vol. 18
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    date published: 2022-10-15
track: Ty Masz Dla Mnie Coś!
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  in album: Tango Dance Collection Vol. 18
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track: Ostatnia Moja Miłość
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track: We Dwoje
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We Dwoje
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Żal
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To Ostatnia Niedziela
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Retro Dance Hits of Eastern Europe Vol. 16: Mieczyslaw Fogg 06
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Retro Dance Hits of Eastern Europe Vol. 15: Mieczyslaw Fogg 04
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Retro Dance Hits of Eastern Europe Vol. 14: Mieczyslaw Fogg 04
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This Is the Last Sunday / To Ostatnia Niedziela
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Retro Dance Hits of Eastern Europe Vol. 13: Mieczyslaw Fogg 03
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Retro Dance Hits of Eastern Europe Vol. 11: Mieczyslaw Fogg 01
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  subject of: OpenTimestamps Proof of Existence
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track: Skrwawione Serce
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track: Czy Pamietasz Te Noc w Zakopanem
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track: Ada, to Nie Wypada
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  subject of: OpenTimestamps Proof of Existence
track: Walk Francois
track: Tango Milonga
track: Zapomnisz o Mnie
track: Ka Demu Wolno Kocha
track: Co Nam Zostaio Z Tych Lat
track: Ach,Jak Przyjemnie
track: Tango Notturno
track: Gdys Niewierny Mi
track: Dobranoc, Kochanie

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0G27lWybVCNXBiMqBPPUby

OTSTimestamp
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value: 2026-07-02T05:09:12Z

OTSCanonicalRecord
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OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ece0d412630cf29959c2811cb5abf1c4eedacb4711390dde5dee211136b8b91. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0G27lWybVCNXBiMqBPPUby.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0G27lWybVCNXBiMqBPPUby.
date published: 2026-07-02T05:09:12Z
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Walk Francois
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Tango Milonga
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Zapomnisz o Mnie
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Ka Demu Wolno Kocha
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Co Nam Zostaio Z Tych Lat
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Ach,Jak Przyjemnie
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Tango Notturno
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Gdys Niewierny Mi
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Dobranoc, Kochanie
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Największe przeboje
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track: To ostatnia niedziela
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track: W małym kinie
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track: Tango milonga
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track: Piosenka o mojej Warszawie
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track: Pierwszy siwy włos
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track: Już taki jestem zimny drań
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track: Każdemu wolno kochać
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track: Nasza jest noc
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track: Kiedy znów zakwitną białe bzy
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track: Pamiętam twoje oczy
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track: Mały biały domek
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track: Kiedy będziesz zakochany
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track: Co nam zostało z tych lat
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track: Ja mam czas, ja poczekam
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track: Fascination
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track: Mała kobietko
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track: Cztery nogi
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track: Zgubiłem dzień
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track: Zawsze będzie czegoś ci brak
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track: Takie blade masz usta
track: Zapomniana piosenka
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track: Baby
track: Całuję twoją dłoń madame
track: Kochana
track: Nietoperze
track: Graj skrzypku graj
track: Młodym być i więcej nic

Takie blade masz usta
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Zapomniana piosenka
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Na Krakowskim Przedmieściu
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Serce matki
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Baby
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Całuję twoją dłoń madame
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Kochana
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Nietoperze
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Graj skrzypku graj
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Młodym być i więcej nic
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Gramofonomanka
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track: Bez Ciebie
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track: Bo To Się Zwykle Tak Zaczyna
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track: Czy Możesz Mi Przebaczyć?
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track: Gdy Się Kończy Nasza Miłość
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track: Kwiat Paproci
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track: Melodja
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track: Smutna Niedziela
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  isrc code: ES5832000347
track: Tamara
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    date published: 2020-02-29
track: To Tango Jest Dla Mojej Matki
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track: Za Gruba
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Noc cygańska
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date published: 2019-07-10
track: Błękitna rapsodia
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  by artist: Oscar Strok
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    date published: 2019-07-10
track: Najchętniej o miłości
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  by artist: Seweryn Kalter
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    date published: 2019-07-10
track: Znów tej nocy
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  by artist: Mieczysław Fogg
  by artist: Samuel Weinroth
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    date published: 2019-07-10
track: Zamieńmy się ustami
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  by artist: Mieczysław Fogg
  by artist: Władysław Daniłowski
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track: Białe gołębie
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  by artist: Tadeusz Szeliga
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track: Bądź zdrowa, bądź zdrów!
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  by artist: Marceli Sztykgold
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track: Moja pierwsza i ostatnia
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  by artist: Henryk Gold
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  in album: Noc cygańska
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    date published: 2019-07-10
track: Nie płacz
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  by artist: Julian Front
  by artist: Mieczysław Fogg
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    date published: 2019-07-10
track: Jesteś bez serca!
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  duration: PT3M9S
  duration ms: 189173
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  by artist: Henryk Wars
  by artist: Mieczysław Fogg
  in album: Noc cygańska
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    date published: 2019-07-10
track: Noc cygańska
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  by artist: Gutel Kac
  by artist: Mieczysław Fogg
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    date published: 2019-07-10
track: Tej nocy czekam na ciebie
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  by artist: Mieczysław Fogg
  by artist: Tadeusz Kwieciński
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    date published: 2019-07-10
track: Wspomnienia
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  by artist: Mieczysław Fogg
  by artist: Tadeusz Kwieciński
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    date published: 2019-07-10
track: Żal
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  duration: PT3M6S
  duration ms: 186973
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  by artist: Julian Front
  by artist: Mieczysław Fogg
  by artist: Stanisław Ferszko
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    date published: 2019-07-10
track: Przy kominku
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  by artist: Artur Gold
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    date published: 2019-07-10
track: Skończona pieśń
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  duration: PT3M29S
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  by artist: Michał Ferszko
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    date published: 2019-07-10
track: Łaskawa pani
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  by artist: Stanisław Dzięgielewski
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    date published: 2019-07-10
track: Szkoda każdej chwili
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  by artist: Fred Melodyst
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    date published: 2019-07-10
track: Conchinella
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  by artist: Fanny Gordon
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    date published: 2019-07-10
track: Nie będę cię prosił
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  by artist: Władysław Daniłowski
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    date published: 2019-07-10
track: Ostatni całus
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  duration: PT3M14S
  duration ms: 194373
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  by artist: Janusz Białoskórski
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  in album: Noc cygańska
    type: MusicAlbum
    date published: 2019-07-10
track: Skonfiskowane tango
track: Smutne tango
track: Płyń piosenko skrzydlata
track: Na jednym tonie
track: Mam dwa bilety do kina
track: Odkąd serce tak tłucze się (komedia muzyczna ''Kot w worku'')
track: Ty jesteś dla mnie wszystkim
track: Tango góralskie
track: Chwila wspomnień
track: Pocałunek na dobranoc
track: Czemuś przyszła nieproszona

Skonfiskowane tango
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duration: PT2M59S
duration ms: 179347
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by artist: Fred Scher
by artist: Mieczysław Fogg
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Smutne tango
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duration: PT3M11S
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by artist: Mieczysław Fogg
by artist: Mieczysław Wróblewski
in album: Noc cygańska
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  date published: 2019-07-10

Płyń piosenko skrzydlata
type: MusicRecording
duration: PT3M7S
duration ms: 187947
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by artist: Aleksander Eliaszow
by artist: Mieczysław Fogg
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Na jednym tonie
type: MusicRecording
duration: PT3M11S
duration ms: 191080
explicit: false
by artist: Mieczysław Fogg
by artist: Wiktor Krupiński
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Mam dwa bilety do kina
type: MusicRecording
duration: PT3M8S
duration ms: 188413
explicit: false
by artist: Mieczysław Fogg
by artist: Zygmunt Karasiński
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Odkąd serce tak tłucze się (komedia muzyczna ''Kot w worku'')
type: MusicRecording
duration: PT3M14S
duration ms: 194293
explicit: false
by artist: Michael Eisemann
by artist: Mieczysław Fogg
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Ty jesteś dla mnie wszystkim
type: MusicRecording
duration: PT2M53S
duration ms: 173706
explicit: false
by artist: Henryk Gold
by artist: Mieczysław Fogg
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Tango góralskie
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duration: PT2M55S
duration ms: 175747
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by artist: Igo Kranowski
by artist: Mieczysław Fogg
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Chwila wspomnień
type: MusicRecording
duration: PT3M27S
duration ms: 207667
explicit: false
by artist: Jerzy Belzacki
by artist: Mieczysław Fogg
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Pocałunek na dobranoc
type: MusicRecording
duration: PT3M24S
duration ms: 204800
explicit: false
by artist: Mieczysław Fogg
by artist: Wiktor Krupiński
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Czemuś przyszła nieproszona
type: MusicRecording
duration: PT3M2S
duration ms: 182253
explicit: false
by artist: Alfred Schütz
by artist: Mieczysław Fogg
in album: Noc cygańska
  type: MusicAlbum
  date published: 2019-07-10

Jak gdyby nigdy nic
type: MusicAlbum
date published: 2019-07-10
track: Niebieski walc (rewia ''Niebieski walc'')
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  duration: PT3M25S
  duration ms: 205600
  explicit: false
  by artist: Mieczysław Fogg
  by artist: Zygmunt Wiehler
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Santa Lucia (rewia ''Przez dziurkę od klucza'')
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  duration: PT3M23S
  duration ms: 203280
  explicit: false
  by artist: Mieczysław Fogg
  by artist: Otto Stransky
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Dwa serca w takcie raz, dwa, trzy ? (rewia ''Zjazd Centrośmiechu'')
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194867
  explicit: false
  by artist: Mieczysław Fogg
  by artist: Robert Stolz
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Capri
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198920
  explicit: false
  by artist: Jimmy Kennedy
  by artist: Mieczysław Fogg
  by artist: Will Grosz
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Jak gdyby nigdy nic
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198787
  explicit: false
  by artist: Fred Scher
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Takie blade masz usta
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164440
  explicit: false
  by artist: Mieczysław Fogg
  by artist: Władysław Daniłowski
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Zazdrość
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185467
  explicit: false
  by artist: Alfred Schütz
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Manuella (From : ''Me serce wzywa cię'')
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171667
  explicit: false
  by artist: Mieczysław Fogg
  by artist: Robert Stolz
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Związane mam ręce (operetka ''Jaś u raju bram'')
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172040
  explicit: false
  by artist: Mieczysław Fogg
  by artist: Ralph Benatzky
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Czy ty pamiętasz? (From : ''Wonder Bar'')
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175280
  explicit: false
  by artist: Harry Warren
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Mów, że kochasz mnie (rewia ''Kobiety mają szansę'')
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194733
  explicit: false
  by artist: Jean Lenoir
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Moja mama z miasta Yokohama [operetka ''Wiktoria i jej huzar'' (Viktoria und Ihr Husar)]
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174880
  explicit: false
  by artist: Mieczysław Fogg
  by artist: Pál Ábrahám
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: W Cichym zakatku
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164560
  explicit: false
  by artist: Henry Himmel
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Grzech
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196413
  explicit: false
  by artist: Eduardo Bianco
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Mój mały medalion
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184293
  explicit: false
  by artist: Jimmy Kennedy
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Kiedy przyjdziesz znów, kochanie?
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199280
  explicit: false
  by artist: Henryk Gold
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Zamglone oczy (musical ''Roberta'')
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190040
  explicit: false
  by artist: Jerome Kern
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Już taki jestem zimny drań (From : ''Pieśniarz Warszawy'')
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168800
  explicit: false
  by artist: Henryk Wars
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Wir tańca nas porwał ( From : ''Siedem policzków, siedem całusów'', ''Sieben Ohrfeigen'')
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170213
  explicit: false
  by artist: Friedrich Schröder
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: Tango Notturno
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196093
  explicit: false
  by artist: Hans-Otto Borgmann
  by artist: Mieczysław Fogg
  in album: Jak gdyby nigdy nic
    type: MusicAlbum
    date published: 2019-07-10
track: To Ostatnia Niedziela
track: Winna jest Wiosna, dziewczyno
track: Prawdziwa miłość
track: Walc cygański
track: Ja Lubie Gwizdac [From : ''Pensjonarka'' (Mad about music)]
track: Przechodzis I Nie Widzisz Mnie
track: Cicho grajcie mi znów
track: W noce jesienne
track: Nie mam chwili do stracenia
track: Szkoda naszej miłości
track: Piękny jest świat

To Ostatnia Niedziela
type: MusicRecording
duration: PT3M21S
duration ms: 201187
explicit: false
by artist: Jerzy Petersburski
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10
isrc code: CA5KR1936182

Winna jest Wiosna, dziewczyno
type: MusicRecording
duration: PT3M25S
duration ms: 205080
explicit: false
by artist: Alfred Schütz
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Prawdziwa miłość
type: MusicRecording
duration: PT2M42S
duration ms: 162213
explicit: false
by artist: Henryk Wars
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Walc cygański
type: MusicRecording
duration: PT3M8S
duration ms: 188493
explicit: false
by artist: Artur Gold
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Ja Lubie Gwizdac [From : ''Pensjonarka'' (Mad about music)]
type: MusicRecording
duration: PT2M54S
duration ms: 174853
explicit: false
by artist: Jimmy McHugh
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Przechodzis I Nie Widzisz Mnie
type: MusicRecording
duration: PT2M59S
duration ms: 179373
explicit: false
by artist: Bolesław Mucman
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Cicho grajcie mi znów
type: MusicRecording
duration: PT3M27S
duration ms: 207333
explicit: false
by artist: Cesare Andrea Bixio
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

W noce jesienne
type: MusicRecording
duration: PT2M51S
duration ms: 171360
explicit: false
by artist: Mieczysław Fogg
by artist: Mieczysław Wróblewski
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Nie mam chwili do stracenia
type: MusicRecording
duration: PT3M14S
duration ms: 194813
explicit: false
by artist: J. Sokołowski
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Szkoda naszej miłości
type: MusicRecording
duration: PT3M1S
duration ms: 181573
explicit: false
by artist: Mieczysław Fogg
by artist: Zygmunt Lewandowski
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Piękny jest świat
type: MusicRecording
duration: PT3M4S
duration ms: 184027
explicit: false
by artist: Iza Orleańska
by artist: Mieczysław Fogg
in album: Jak gdyby nigdy nic
  type: MusicAlbum
  date published: 2019-07-10

Jesienne róże (The Best)
type: MusicAlbum
date published: 2018-08-10
track: Ta ostatnia niedziela
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track: Jesienne róże
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track: Przy kominku
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track: Ostatni całus
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track: Prawdziwa miłość
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track: Capri - Isle of Capri
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track: Zamglone oczy
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track: Zazdrość
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track: Ach Ludwiko
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track: Jak gdyby nigdy nic
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track: Mam dwa bilety do kina
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track: Nie ma szczęścia bez miłości
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track: Tej nocy czekam na ciebie
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track: Najchętniej o miłości
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track: Jest jedna jedyna
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track: Piękny jest świat
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track: Już taki jestem zimny drań
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Znane Przeboje
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track: Jak gdyby nigdy nic (Gdy wrocisz)
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track: Gdy zamknely sie drzwi
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track: Takie blade masz usta
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track: Zazdrosc
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track: Mój maly medalion (The Little Golden Locket)
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track: Manuela
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W Rytmie Tanga, Vol. 2
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track: Plyn Piosenko skrzydlata
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track: Piekny jest swiat
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track: Przy Kominku
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track: Twoje kwiaty
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track: Na jednym tonie
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track: Pensjonarka
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track: Mam dwa bilety do kina
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track: Chcialbym znow milosc w twym sercu obudzic
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track: Odkad Tak Serce tlucze sie
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track: Jesli kochasz sie w dziewczynie
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track: Ty jestes dla mnie wszystkim
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track: Tango Goralskie
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track: W noce jesienne
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track: Chwila wspomnien
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track: Nie mam chwili do stracenia
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track: Czemus przyszla nie proszona
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track: Szkoda naszej milosci
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track: Pocalunek na dobranoc
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track: Skonczona piesn
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W Rytmie Tanga, Vol. 1
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track: Zamienmy sie ustami
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track: Szkoda kazdej chwili
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track: Badz zdrow, badz zdrowa
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track: Conchinella
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track: Moja pierwsza i ostatnia
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track: Nie bede cie prosil
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track: Nie placz
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track: Zal
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track: Jestes bez serca
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track: Ostatni calus
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track: To jest wszsytko co mi masz do powiedzenia
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track: Skonfiskowane tango
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track: Noc Cyganska
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track: Smutne Tango
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W Chorze Dana
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track: Stara melodia
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track: Jest tylko jedna milosc
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track: Kochana
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track: Zostan
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track: A Jutro rano
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track: W Cichym zakatku (Il pleut sur la route)
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track: Przygody (The Music Goes Round and Around)
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track: Milosc przyszla sama
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track: Waleria
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track: Ballada Cyganska
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track: Jesienne Tango
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track: Otworz mi serce
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track: Pamietaj
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track: Smutno
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track: Nie ja nie ty
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track: Zapomne
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track: Panna Anna
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track: Mysl o mnie
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track: Blekitna Rapsodia
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track: Piosenka stara jak swiat
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Przeboje do Tanca
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track: Wir tanca nas porwal
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track: Ach Ludwiko
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track: Notturno
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track: Upojny walc
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  subject of: OpenTimestamps Proof of Existence
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track: Nikt mnie nie zmusi
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track: Winna jest wiosna dziewczyno
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track: Muchacha
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track: Prawdziwa Milosc
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track: Umowilem sie z nia na dziewiata
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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track: Walc cyganski
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track: Jedna jedyna
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track: Ty masz dlam mnie cos
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track: Mariolu
track: Ja lubie Gwizdac
track: Zaplakane oczy
track: Przechodzis i nie widzisz mnie
track: Czy ty wiesz mój kochany
track: Cicho grajcie mi wciaz
track: Tylko we Lwowie

Mieczysław Fogg
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Przeboje do Tanca
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Mariolu
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Ja lubie Gwizdac
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Zaplakane oczy
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Przechodzis i nie widzisz mnie
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Czy ty wiesz mój kochany
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isrc code: PLB960808818

Cicho grajcie mi wciaz
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isrc code: PLB960808819

Tylko we Lwowie
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x930427d2413c8b5c4cf1c964f81d4fcc3023eb86fe25a90d3350ab64775738dd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3VPRUJiMF7I3FAvuTcjg1o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3VPRUJiMF7I3FAvuTcjg1o.
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40 Piosenek Mieczyslawa Fogga
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track: Kochana
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  additional property: OTSCanonicalRecord
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    value: {"copyright_id":"0xe9a903faf660e747a4a8d99a4d0155d9d2f47d3b0bedc1eda8172fd8f7dc11b1","isrc":"PLA246913741","name":"Kiedy będziesz zakochany","registered_at":"2026-06-22T10:20:13Z","spotify_id":"59Bq5yTAkDxX6L9i7nNRRe","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe9a903faf660e747a4a8d99a4d0155d9d2f47d3b0bedc1eda8172fd8f7dc11b1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/59Bq5yTAkDxX6L9i7nNRRe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/59Bq5yTAkDxX6L9i7nNRRe.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0xe9a903faf660e747a4a8d99a4d0155d9d2f47d3b0bedc1eda8172fd8f7dc11b1","isrc":"PLA246913741","name":"Kiedy będziesz zakochany","registered_at":"2026-06-22T10:20:13Z","spotify_id":"59Bq5yTAkDxX6L9i7nNRRe","type":"track"}
track: Miłość stęskniona
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196106
  explicit: false
  by artist: Mieczysław Fogg
  in album: 40 Piosenek Mieczyslawa Fogga
    type: MusicAlbum
    date published: 2011-03-31
  isrc code: PLA246913763
track: W błękicie oczu twych
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171586
  explicit: false
  by artist: Mieczysław Fogg
  in album: 40 Piosenek Mieczyslawa Fogga
    type: MusicAlbum
    date published: 2011-03-31
  isrc code: PLA246912765
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T17:14:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x26b310c82939350f493a912531e22ca302db763af326c1608b63e3f2adeb767f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2gqL3uAcrd2KcTi5tVreif.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gqL3uAcrd2KcTi5tVreif
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x26b310c82939350f493a912531e22ca302db763af326c1608b63e3f2adeb767f","isrc":"PLA246912765","name":"W błękicie oczu twych","registered_at":"2026-06-27T17:14:14Z","spotify_id":"2gqL3uAcrd2KcTi5tVreif","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x26b310c82939350f493a912531e22ca302db763af326c1608b63e3f2adeb767f. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gqL3uAcrd2KcTi5tVreif.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gqL3uAcrd2KcTi5tVreif.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x26b310c82939350f493a912531e22ca302db763af326c1608b63e3f2adeb767f","isrc":"PLA246912765","name":"W błękicie oczu twych","registered_at":"2026-06-27T17:14:14Z","spotify_id":"2gqL3uAcrd2KcTi5tVreif","type":"track"}
track: Starszy pan
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172573
  explicit: false
  by artist: Mieczysław Fogg
  in album: 40 Piosenek Mieczyslawa Fogga
    type: MusicAlbum
    date published: 2011-03-31
  isrc code: PLA246811941
track: Błękitne oczy
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154040
  explicit: false
  by artist: Mieczysław Fogg
  in album: 40 Piosenek Mieczyslawa Fogga
    type: MusicAlbum
    date published: 2011-03-31
  isrc code: PLA245403698
track: Ja mam czas, ja poczekam
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176826
  explicit: false
  by artist: Mieczysław Fogg
  in album: 40 Piosenek Mieczyslawa Fogga
    type: MusicAlbum
    date published: 2011-03-31
  isrc code: PLA246913742
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T00:29:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6YLAWIG7RVi5Wpeu9f58sp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6YLAWIG7RVi5Wpeu9f58sp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1","isrc":"PLA246913742","name":"Ja mam czas, ja poczekam","registered_at":"2026-06-25T00:29:01Z","spotify_id":"6YLAWIG7RVi5Wpeu9f58sp","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6YLAWIG7RVi5Wpeu9f58sp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6YLAWIG7RVi5Wpeu9f58sp.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1","isrc":"PLA246913742","name":"Ja mam czas, ja poczekam","registered_at":"2026-06-25T00:29:01Z","spotify_id":"6YLAWIG7RVi5Wpeu9f58sp","type":"track"}
track: Podziękuj
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273013
  explicit: false
  by artist: Mieczysław Fogg
  in album: 40 Piosenek Mieczyslawa Fogga
  isrc code: PLA246811942
track: Najchętniej o miłości
track: Jest tylko jedna miłość
track: Co nam zostało z tych lat
track: Pieśń o matce
track: Pierwszy siwy włos
track: Francois
track: W małym kinie
track: Fascination
track: Bluzeczka zamszowa
track: Zawsze będzie czegoś ci brak
track: Mała kobietko
track: Wiązanka dawnych przebojów
track: Tango notturno
track: Cicho grajcie mi znów
track: To ostatnia niedziela
track: Jesteś bez serca
track: Jesienne róże
track: Mały biały domek
track: Nie będę płakał
track: Zapomniana piosenka
track: Pamiętam twoje oczy
track: To ostatnia niedziela (Inna wersja)
track: Przy kominku
track: Już taki jestem zimny drań
track: Kiedy znów zakwitną białe bzy
track: Tango andrusowskie
track: Bujaj mnie, bujaj
track: Fredzio
track: Bujaj się, Fela
track: Wisła do Młocin
track: Spotkanie z Warszawą
track: Mieszkam tu nad Wisłą tyle lat
track: Pierwsze bzy
track: Piosenka o mojej Warszawie

Mieczysław Fogg
type: MusicGroup

40 Piosenek Mieczyslawa Fogga
type: MusicAlbum
date published: 2011-03-31

Najchętniej o miłości
type: MusicRecording
duration: PT3M24S
duration ms: 204320
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLB990886000

Jest tylko jedna miłość
type: MusicRecording
duration: PT2M43S
duration ms: 163013
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLB990890003

Co nam zostało z tych lat
type: MusicRecording
duration: PT2M40S
duration ms: 160853
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246913739

Pieśń o matce
type: MusicRecording
duration: PT3M24S
duration ms: 204440
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246913737

Pierwszy siwy włos
type: MusicRecording
duration: PT3M17S
duration ms: 197320
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA245503751
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T10:48:09+00:00

Francois
type: MusicRecording
duration: PT2M40S
duration ms: 160946
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246912763

W małym kinie
type: MusicRecording
duration: PT3M23S
duration ms: 203013
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246007545
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T07:47:30+00:00

Fascination
type: MusicRecording
duration: PT3M56S
duration ms: 236853
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246812088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T22:27:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4a7c0ba442f45b41a74ea4e68214436c640fb15203f71e956a323cf9324bf57
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/08Qu2UaC6h93mkIa52UzGh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08Qu2UaC6h93mkIa52UzGh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa4a7c0ba442f45b41a74ea4e68214436c640fb15203f71e956a323cf9324bf57. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08Qu2UaC6h93mkIa52UzGh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08Qu2UaC6h93mkIa52UzGh.
  date published: 2026-07-08T03:20:19Z

Bluzeczka zamszowa
type: MusicRecording
duration: PT2M39S
duration ms: 159506
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA241100341

Zawsze będzie czegoś ci brak
type: MusicRecording
duration: PT2M39S
duration ms: 159093
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA247519337

Mała kobietko
type: MusicRecording
duration: PT3M54S
duration ms: 234106
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA247519341

Wiązanka dawnych przebojów
type: MusicRecording
duration: PT15M7S
duration ms: 907026
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA241100342

Tango notturno
type: MusicRecording
duration: PT3M16S
duration ms: 196000
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLB990888004

Cicho grajcie mi znów
type: MusicRecording
duration: PT3M27S
duration ms: 207093
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLB990888019

To ostatnia niedziela
type: MusicRecording
duration: PT3M22S
duration ms: 202213
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA247519335
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T18:25:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca61074e4a507fc113b3b4168566709527b220646db4d7c0f7aa001ba99050a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/42ucp3EQ7Aku5NkSa7CCbG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/42ucp3EQ7Aku5NkSa7CCbG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca61074e4a507fc113b3b4168566709527b220646db4d7c0f7aa001ba99050a1","isrc":"PLA247519335","name":"To ostatnia niedziela","registered_at":"2026-06-05T18:25:37Z","spotify_id":"42ucp3EQ7Aku5NkSa7CCbG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xca61074e4a507fc113b3b4168566709527b220646db4d7c0f7aa001ba99050a1. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/42ucp3EQ7Aku5NkSa7CCbG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/42ucp3EQ7Aku5NkSa7CCbG.
  date published: 2026-07-06T07:53:57Z
  text: {"copyright_id":"0xca61074e4a507fc113b3b4168566709527b220646db4d7c0f7aa001ba99050a1","isrc":"PLA247519335","name":"To ostatnia niedziela","registered_at":"2026-06-05T18:25:37Z","spotify_id":"42ucp3EQ7Aku5NkSa7CCbG","type":"track"}

Jesteś bez serca
type: MusicRecording
duration: PT3M8S
duration ms: 188920
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLB990886018

Jesienne róże
type: MusicRecording
duration: PT4M13S
duration ms: 253426
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246913736
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T21:48:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b6984aa141b372a962e83723176f6e22fd6bdcc521aa475760c05762de13997
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956891
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4hI1PIJ69SfL9e4didv5CF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4hI1PIJ69SfL9e4didv5CF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0b6984aa141b372a962e83723176f6e22fd6bdcc521aa475760c05762de13997","isrc":"PLA246913736","name":"Jesienne róże","registered_at":"2026-06-10T21:48:58Z","spotify_id":"4hI1PIJ69SfL9e4didv5CF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0b6984aa141b372a962e83723176f6e22fd6bdcc521aa475760c05762de13997. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4hI1PIJ69SfL9e4didv5CF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4hI1PIJ69SfL9e4didv5CF.
  date published: 2026-07-06T07:16:32Z
  text: {"copyright_id":"0x0b6984aa141b372a962e83723176f6e22fd6bdcc521aa475760c05762de13997","isrc":"PLA246913736","name":"Jesienne róże","registered_at":"2026-06-10T21:48:58Z","spotify_id":"4hI1PIJ69SfL9e4didv5CF","type":"track"}

Mały biały domek
type: MusicRecording
duration: PT5M6S
duration ms: 306426
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA247519336
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T00:40:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27f00e788e462045c0da3f46cbebc9413b5625650b7b8fde5c4b803fe97a2cd1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4Pi62MMZhUJE01MJirOj2H.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Pi62MMZhUJE01MJirOj2H
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x27f00e788e462045c0da3f46cbebc9413b5625650b7b8fde5c4b803fe97a2cd1","isrc":"PLA247519336","name":"Mały biały domek","registered_at":"2026-06-26T00:40:19Z","spotify_id":"4Pi62MMZhUJE01MJirOj2H","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x27f00e788e462045c0da3f46cbebc9413b5625650b7b8fde5c4b803fe97a2cd1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Pi62MMZhUJE01MJirOj2H.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Pi62MMZhUJE01MJirOj2H.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x27f00e788e462045c0da3f46cbebc9413b5625650b7b8fde5c4b803fe97a2cd1","isrc":"PLA247519336","name":"Mały biały domek","registered_at":"2026-06-26T00:40:19Z","spotify_id":"4Pi62MMZhUJE01MJirOj2H","type":"track"}

Nie będę płakał
type: MusicRecording
duration: PT3M6S
duration ms: 186026
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA247519345

Zapomniana piosenka
type: MusicRecording
duration: PT4M26S
duration ms: 266866
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246913338

Pamiętam twoje oczy
type: MusicRecording
duration: PT3M15S
duration ms: 195720
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246912764
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T18:54:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b235baa64a1b4111e948b839ce6f0ea3746bc0a2c7c2b248699bb3274641cad
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3FW84LopKPlXp6sUfBLwYX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3FW84LopKPlXp6sUfBLwYX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8b235baa64a1b4111e948b839ce6f0ea3746bc0a2c7c2b248699bb3274641cad","isrc":"PLA246912764","name":"Pamiętam twoje oczy","registered_at":"2026-06-11T18:54:56Z","spotify_id":"3FW84LopKPlXp6sUfBLwYX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8b235baa64a1b4111e948b839ce6f0ea3746bc0a2c7c2b248699bb3274641cad. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3FW84LopKPlXp6sUfBLwYX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3FW84LopKPlXp6sUfBLwYX.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x8b235baa64a1b4111e948b839ce6f0ea3746bc0a2c7c2b248699bb3274641cad","isrc":"PLA246912764","name":"Pamiętam twoje oczy","registered_at":"2026-06-11T18:54:56Z","spotify_id":"3FW84LopKPlXp6sUfBLwYX","type":"track"}

To ostatnia niedziela (Inna wersja)
type: MusicRecording
duration: PT4M4S
duration ms: 244266
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLB990888008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T17:13:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x551f1c555e28f645eb8160a5266da9af0898056711c1cdbbddeabba37ceae2f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4wVn03lyIfPaaCMvaLtOaB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4wVn03lyIfPaaCMvaLtOaB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x551f1c555e28f645eb8160a5266da9af0898056711c1cdbbddeabba37ceae2f8","isrc":"PLB990888008","name":"To ostatnia niedziela (Inna wersja)","registered_at":"2026-06-27T17:13:50Z","spotify_id":"4wVn03lyIfPaaCMvaLtOaB","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x551f1c555e28f645eb8160a5266da9af0898056711c1cdbbddeabba37ceae2f8. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4wVn03lyIfPaaCMvaLtOaB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4wVn03lyIfPaaCMvaLtOaB.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x551f1c555e28f645eb8160a5266da9af0898056711c1cdbbddeabba37ceae2f8","isrc":"PLB990888008","name":"To ostatnia niedziela (Inna wersja)","registered_at":"2026-06-27T17:13:50Z","spotify_id":"4wVn03lyIfPaaCMvaLtOaB","type":"track"}

Przy kominku
type: MusicRecording
duration: PT3M8S
duration ms: 188360
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLB990887004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T17:12:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x09a70524702e9c9d8d3b074dd1dc6c273c099a9791b3e38401d91a287665e7ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1Scvc0G7KAXAKw7SZzI4j5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Scvc0G7KAXAKw7SZzI4j5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x09a70524702e9c9d8d3b074dd1dc6c273c099a9791b3e38401d91a287665e7ba","isrc":"PLB990887004","name":"Przy kominku","registered_at":"2026-06-27T17:12:36Z","spotify_id":"1Scvc0G7KAXAKw7SZzI4j5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x09a70524702e9c9d8d3b074dd1dc6c273c099a9791b3e38401d91a287665e7ba. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Scvc0G7KAXAKw7SZzI4j5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Scvc0G7KAXAKw7SZzI4j5.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x09a70524702e9c9d8d3b074dd1dc6c273c099a9791b3e38401d91a287665e7ba","isrc":"PLB990887004","name":"Przy kominku","registered_at":"2026-06-27T17:12:36Z","spotify_id":"1Scvc0G7KAXAKw7SZzI4j5","type":"track"}

Już taki jestem zimny drań
type: MusicRecording
duration: PT2M0S
duration ms: 120400
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA241100343

Kiedy znów zakwitną białe bzy
type: MusicRecording
duration: PT2M25S
duration ms: 145760
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246000003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T19:33:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50dfb66c81f666ce0fb823437bb5a576da921ba62e780753ccc0d042e92b15c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5UcrRwOTGaFda2Gr80GuIw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5UcrRwOTGaFda2Gr80GuIw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x50dfb66c81f666ce0fb823437bb5a576da921ba62e780753ccc0d042e92b15c5","isrc":"PLA246000003","name":"Kiedy znów zakwitną białe bzy","registered_at":"2026-06-27T19:33:52Z","spotify_id":"5UcrRwOTGaFda2Gr80GuIw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x50dfb66c81f666ce0fb823437bb5a576da921ba62e780753ccc0d042e92b15c5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5UcrRwOTGaFda2Gr80GuIw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5UcrRwOTGaFda2Gr80GuIw.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x50dfb66c81f666ce0fb823437bb5a576da921ba62e780753ccc0d042e92b15c5","isrc":"PLA246000003","name":"Kiedy znów zakwitną białe bzy","registered_at":"2026-06-27T19:33:52Z","spotify_id":"5UcrRwOTGaFda2Gr80GuIw","type":"track"}

Tango andrusowskie
type: MusicRecording
duration: PT2M14S
duration ms: 134186
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246100003

Bujaj mnie, bujaj
type: MusicRecording
duration: PT3M30S
duration ms: 210066
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246913762

Fredzio
type: MusicRecording
duration: PT3M51S
duration ms: 231853
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246913743

Bujaj się, Fela
type: MusicRecording
duration: PT3M3S
duration ms: 183066
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA245503750

Wisła do Młocin
type: MusicRecording
duration: PT3M29S
duration ms: 209600
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA245302531

Spotkanie z Warszawą
type: MusicRecording
duration: PT2M54S
duration ms: 174440
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA245302529

Mieszkam tu nad Wisłą tyle lat
type: MusicRecording
duration: PT2M54S
duration ms: 174733
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA246812086

Pierwsze bzy
type: MusicRecording
duration: PT3M17S
duration ms: 197133
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA245503752

Piosenka o mojej Warszawie
type: MusicRecording
duration: PT2M22S
duration ms: 142960
explicit: false
by artist: Mieczysław Fogg
in album: 40 Piosenek Mieczyslawa Fogga
  type: MusicAlbum
  date published: 2011-03-31
isrc code: PLA247421395
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T23:25:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2ZNamemYZg9vOWrzrUZV7U.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ZNamemYZg9vOWrzrUZV7U
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619","isrc":"PLA247421395","name":"Piosenka o mojej Warszawie","registered_at":"2026-06-08T23:25:46Z","spotify_id":"2ZNamemYZg9vOWrzrUZV7U","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ZNamemYZg9vOWrzrUZV7U.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ZNamemYZg9vOWrzrUZV7U.
  date published: 2026-07-08T03:20:19Z
  text: {"copyright_id":"0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619","isrc":"PLA247421395","name":"Piosenka o mojej Warszawie","registered_at":"2026-06-08T23:25:46Z","spotify_id":"2ZNamemYZg9vOWrzrUZV7U","type":"track"}

Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
type: MusicAlbum
date published: 1970-01-01
track: Nie ma szczescia bez milosci
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  duration: PT2M44S
  duration ms: 164040
  explicit: false
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  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
track: Tej nocy czekam na ciebie
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  duration: PT3M10S
  duration ms: 190280
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  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
track: Jedna, jedyna
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  duration: PT3M25S
  duration ms: 205560
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    type: MusicAlbum
    date published: 1970-01-01
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track: Kochana
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  duration ms: 179053
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
track: Biale preludium (Pierwszy snieg)
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  duration: PT3M12S
  duration ms: 192266
  explicit: false
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  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PLD101201185
track: Serce
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  duration: PT3M5S
  duration ms: 185906
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PLD101201186
track: Capri - Pamietasz Capri te wyspe kochankow?
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198893
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PLD101201187
track: Winna jest wiosna dziewczyno
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  duration: PT3M25S
  duration ms: 205413
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PLD101201188
track: Jak gdyby nigdy nic (Gdy wrocisz po wielu dlugich latach)
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  duration: PT3M20S
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  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PLD101201189
track: Po deszczu jest slonce
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  duration: PT2M56S
  duration ms: 176053
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
track: Jesli kochasz sie w dziewczynie
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  duration: PT2M35S
  duration ms: 155786
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PLD101201191
track: Jesienne tango (Nostalgias)
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  duration: PT2M43S
  duration ms: 163706
  explicit: false
  by artist: Mieczyslaw Fogg i Chor Dana
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PLD101201192
track: Zebys ty wiedziala jak mi sie chce!
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  duration: PT2M50S
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  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PLD101201193
track: Twe slowa na rozstanie
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  duration: PT3M10S
  duration ms: 190680
  explicit: false
  by artist: Mieczyslaw Fogg i Chor Dana
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01
track: Caluje raczki
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  duration: PT2M47S
  duration ms: 167613
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg Krol niezdetronizowany (Syrena Record Nagrania z lat trzydziestych)
    type: MusicAlbum
    date published: 1970-01-01

A ja sobie gram na gramafonie
type: MusicAlbum
date published: 2007-01-31
track: A ja sobie gram na gramofonie
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  explicit: false
  by artist: Mieczysław Fogg
  in album: A ja sobie gram na gramafonie
    type: MusicAlbum
    date published: 2007-01-31
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T07:47:18+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x5a9fe998aecacbe19bb0a2dc1fe421b0b0634e47de82b518ff02cc2bd563ea18
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    type: PropertyValue
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  additional property: OTSRecordURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gyKKzfjlp16tO9uXscwAh
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5a9fe998aecacbe19bb0a2dc1fe421b0b0634e47de82b518ff02cc2bd563ea18. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gyKKzfjlp16tO9uXscwAh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gyKKzfjlp16tO9uXscwAh.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x5a9fe998aecacbe19bb0a2dc1fe421b0b0634e47de82b518ff02cc2bd563ea18","isrc":"PLB960700301","name":"A ja sobie gram na gramofonie","registered_at":"2026-06-10T07:47:18Z","spotify_id":"2gyKKzfjlp16tO9uXscwAh","type":"track"}
track: zebys ty wiedziala
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  explicit: false
  by artist: Mieczysław Fogg
  in album: A ja sobie gram na gramafonie
    type: MusicAlbum
    date published: 2007-01-31
  isrc code: PLB960700302
track: o key
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  duration ms: 166200
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  by artist: Mieczysław Fogg
  in album: A ja sobie gram na gramafonie
    type: MusicAlbum
    date published: 2007-01-31
  isrc code: PLB960700303
track: Odpukaj Pan
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    type: MusicAlbum
    date published: 2007-01-31
  isrc code: PLB960700304
track: Mlodym Byc i Wiecej Nic
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    type: MusicAlbum
    date published: 2007-01-31
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  additional property: CopyrightStatus
    type: PropertyValue
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    type: PropertyValue
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  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5aXazfICyoyNCa3GPjIbO7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aXazfICyoyNCa3GPjIbO7
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x89521392c239c46c33139941d46cdbe7b04419abd637a2db1c98bb626944ec66. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5aXazfICyoyNCa3GPjIbO7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aXazfICyoyNCa3GPjIbO7.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x89521392c239c46c33139941d46cdbe7b04419abd637a2db1c98bb626944ec66","isrc":"PLB960700305","name":"Mlodym Byc i Wiecej Nic","registered_at":"2026-06-23T16:51:06Z","spotify_id":"5aXazfICyoyNCa3GPjIbO7","type":"track"}
track: Ja mam czas ja poczekam
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    type: MusicAlbum
    date published: 2007-01-31
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track: Przytul Uscisnij Pocaluj
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    type: MusicAlbum
    date published: 2007-01-31
track: Kochana
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  duration: PT2M57S
  duration ms: 177613
  explicit: false
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  in album: A ja sobie gram na gramafonie
    type: MusicAlbum
    date published: 2007-01-31
  isrc code: PLB960700308
track: Nienieskie Roze
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    type: MusicAlbum
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track: Maly Bialy Domek
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    type: MusicAlbum
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    type: PropertyValue
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  additional property: OTSRecordURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Yy6rArYdN8ASpRgX2ltpQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Piosenka Nieaktualna
track: Nic O tobie nie wiem
track: Niezapominajka
track: Piesn o Matce
track: Siemieczki
track: Tak smutno mi bez ciebie
track: Zwiedla Chryzantema
track: Caluje Raczki
track: Setka
track: Jak juz popic
track: Fredzio

OTSCanonicalRecord
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OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa459cedf05d92ac6ad52dbcefefcae994fa8e6bf7b2743f85c9a1c333fbc34e4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Yy6rArYdN8ASpRgX2ltpQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Yy6rArYdN8ASpRgX2ltpQ.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0xa459cedf05d92ac6ad52dbcefefcae994fa8e6bf7b2743f85c9a1c333fbc34e4","isrc":"PLB960700310","name":"Maly Bialy Domek","registered_at":"2026-06-21T10:48:59Z","spotify_id":"4Yy6rArYdN8ASpRgX2ltpQ","type":"track"}

Piosenka Nieaktualna
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duration ms: 187120
explicit: false
by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31
isrc code: PLB960700311

Nic O tobie nie wiem
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duration ms: 209853
explicit: false
by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
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additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5k32sSp2XgoFxH8KjAMv2H
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc3b294bbcb5b5676540c7df547e04fa44b590d971bfc57d60cd59243bd04fdef. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5k32sSp2XgoFxH8KjAMv2H.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5k32sSp2XgoFxH8KjAMv2H.
  date published: 2026-07-02T03:30:09Z
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Niezapominajka
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duration ms: 202973
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by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31
isrc code: PLB960700313

Piesn o Matce
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duration: PT3M14S
duration ms: 194106
explicit: false
by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31
isrc code: PLB960700314

Siemieczki
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duration: PT2M41S
duration ms: 161560
explicit: false
by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31
isrc code: PLB960700315

Tak smutno mi bez ciebie
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duration: PT2M55S
duration ms: 175786
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by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31
isrc code: PLB960700316

Zwiedla Chryzantema
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duration ms: 198213
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by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31

Caluje Raczki
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duration: PT2M47S
duration ms: 167960
explicit: false
by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31
isrc code: PLB960700318

Setka
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duration: PT2M40S
duration ms: 160520
explicit: false
by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31
isrc code: PLB960700319

Jak juz popic
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duration: PT2M35S
duration ms: 155106
explicit: false
by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31
isrc code: PLB960700320

Fredzio
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duration: PT2M53S
duration ms: 173346
explicit: false
by artist: Mieczysław Fogg
in album: A ja sobie gram na gramafonie
  type: MusicAlbum
  date published: 2007-01-31

Ukochana ja wroce
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date published: 1981-09-07
track: Mlodosc
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209693
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Serenada wloczegi
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181133
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Walc na niepogode
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157186
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Jesien
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274373
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Wszystkiego sie moglem po tobie spodziewac
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142600
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Ukochana ja wroce
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209986
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
  isrc code: PLA551800835
track: Sentymentalny pan
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223640
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
  isrc code: PLA551800836
track: Piosenka o maju i rozy
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154693
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Do widzenia madame
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165866
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Jeszcze raz
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200693
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Zaspiewam ci piosenke
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196533
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07
track: Siedemdziesiat lat
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261519
  explicit: false
  by artist: Mieczysław Fogg
  in album: Ukochana ja wroce
    type: MusicAlbum
    date published: 1981-09-07

Zawsze bedzie czegos ci brak
type: MusicAlbum
date published: 1975-09-07
track: To ostatnia niedziela
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242147
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
track: Gwiżdżę na wszystko
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166866
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
  isrc code: PLA247519339
track: Mały biały domek
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304315
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
  isrc code: PLA247519336
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T00:40:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x27f00e788e462045c0da3f46cbebc9413b5625650b7b8fde5c4b803fe97a2cd1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2YiLWAWU6Y9SKFDjejqTHE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2YiLWAWU6Y9SKFDjejqTHE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x27f00e788e462045c0da3f46cbebc9413b5625650b7b8fde5c4b803fe97a2cd1","isrc":"PLA247519336","name":"Mały biały domek","registered_at":"2026-06-26T00:40:19Z","spotify_id":"2YiLWAWU6Y9SKFDjejqTHE","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x27f00e788e462045c0da3f46cbebc9413b5625650b7b8fde5c4b803fe97a2cd1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2YiLWAWU6Y9SKFDjejqTHE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2YiLWAWU6Y9SKFDjejqTHE.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0x27f00e788e462045c0da3f46cbebc9413b5625650b7b8fde5c4b803fe97a2cd1","isrc":"PLA247519336","name":"Mały biały domek","registered_at":"2026-06-26T00:40:19Z","spotify_id":"2YiLWAWU6Y9SKFDjejqTHE","type":"track"}
track: Mała kobietko
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232000
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
  isrc code: PLA247519341
track: Sukienke mialas od Paquina
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169546
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
track: Blekitne oczy
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245160
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
track: Zawsze będzie czegoś ci brak
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156986
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
  isrc code: PLA247519337
track: Krople deszczu
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234360
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
track: Synku moj
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158346
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
track: Takie blade masz usta
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169746
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07
  isrc code: PLA551800846
track: Nie będę płakał
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183920
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zawsze bedzie czegos ci brak
    type: MusicAlbum
    date published: 1975-09-07

Zapomniana piosenka
type: MusicAlbum
date published: 1969-09-07
track: Zapomniana piosenka
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262303
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA246913738
track: Kochana
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160604
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
track: Kiedy będziesz zakochany
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175787
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
track: Bujaj mnie, bujaj
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207339
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
track: Ja mam czas, ja poczekam
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173493
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA246913742
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T00:29:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0KaJrQUUSjRHAzA5MQ1udd.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KaJrQUUSjRHAzA5MQ1udd
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1","isrc":"PLA246913742","name":"Ja mam czas, ja poczekam","registered_at":"2026-06-25T00:29:01Z","spotify_id":"0KaJrQUUSjRHAzA5MQ1udd","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0KaJrQUUSjRHAzA5MQ1udd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KaJrQUUSjRHAzA5MQ1udd.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1","isrc":"PLA246913742","name":"Ja mam czas, ja poczekam","registered_at":"2026-06-25T00:29:01Z","spotify_id":"0KaJrQUUSjRHAzA5MQ1udd","type":"track"}
track: Jesienne róże
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250500
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
track: Miłość stęskniona
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193423
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
track: Pieśń o matce
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201122
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA246913737
track: Stary walc
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193403
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
track: Fredzio
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228298
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
track: Co nam zostało z tych lat
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157848
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zapomniana piosenka
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA246913739

Niezapomniane przeboje
type: MusicAlbum
date published: 1969-09-07
track: Jesienne róże
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251315
  explicit: false
  by artist: Mieczysław Fogg
  in album: Niezapomniane przeboje
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA246913736
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T21:48:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0b6984aa141b372a962e83723176f6e22fd6bdcc521aa475760c05762de13997
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/09PwmLzRfWj5hkmIiw1a9X.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/09PwmLzRfWj5hkmIiw1a9X
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0b6984aa141b372a962e83723176f6e22fd6bdcc521aa475760c05762de13997","isrc":"PLA246913736","name":"Jesienne róże","registered_at":"2026-06-10T21:48:58Z","spotify_id":"09PwmLzRfWj5hkmIiw1a9X","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0b6984aa141b372a962e83723176f6e22fd6bdcc521aa475760c05762de13997. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/09PwmLzRfWj5hkmIiw1a9X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/09PwmLzRfWj5hkmIiw1a9X.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x0b6984aa141b372a962e83723176f6e22fd6bdcc521aa475760c05762de13997","isrc":"PLA246913736","name":"Jesienne róże","registered_at":"2026-06-10T21:48:58Z","spotify_id":"09PwmLzRfWj5hkmIiw1a9X","type":"track"}
track: Fascination
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234739
  explicit: false
  by artist: Mieczysław Fogg
  in album: Niezapomniane przeboje
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA246812088
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T22:27:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa4a7c0ba442f45b41a74ea4e68214436c640fb15203f71e956a323cf9324bf57
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/78QQECgPIXGHLvzRxBPGkf.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/78QQECgPIXGHLvzRxBPGkf
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa4a7c0ba442f45b41a74ea4e68214436c640fb15203f71e956a323cf9324bf57. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/78QQECgPIXGHLvzRxBPGkf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/78QQECgPIXGHLvzRxBPGkf.
    date published: 2026-07-02T03:55:08Z
track: Pierwszy siwy włos
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195203
  explicit: false
  by artist: Mieczysław Fogg
  in album: Niezapomniane przeboje
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA245503751
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T10:48:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5192b1389c5f83265e3011aa49ecca179516afe6c650ca1a29e5d90f2e93f96c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6zHb0vFtWBrX8xywTNr4c8.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zHb0vFtWBrX8xywTNr4c8
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5192b1389c5f83265e3011aa49ecca179516afe6c650ca1a29e5d90f2e93f96c","isrc":"PLA245503751","name":"Pierwszy siwy włos","registered_at":"2026-06-21T10:48:09Z","spotify_id":"6zHb0vFtWBrX8xywTNr4c8","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5192b1389c5f83265e3011aa49ecca179516afe6c650ca1a29e5d90f2e93f96c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zHb0vFtWBrX8xywTNr4c8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zHb0vFtWBrX8xywTNr4c8.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x5192b1389c5f83265e3011aa49ecca179516afe6c650ca1a29e5d90f2e93f96c","isrc":"PLA245503751","name":"Pierwszy siwy włos","registered_at":"2026-06-21T10:48:09Z","spotify_id":"6zHb0vFtWBrX8xywTNr4c8","type":"track"}
track: Kiedy będziesz zakochany
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178069
  explicit: false
  by artist: Mieczysław Fogg
  in album: Niezapomniane przeboje
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA246913741
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T10:20:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe9a903faf660e747a4a8d99a4d0155d9d2f47d3b0bedc1eda8172fd8f7dc11b1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2TyP05vbi9cCcXEtz5xMpi.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TyP05vbi9cCcXEtz5xMpi
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe9a903faf660e747a4a8d99a4d0155d9d2f47d3b0bedc1eda8172fd8f7dc11b1","isrc":"PLA246913741","name":"Kiedy będziesz zakochany","registered_at":"2026-06-22T10:20:13Z","spotify_id":"2TyP05vbi9cCcXEtz5xMpi","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe9a903faf660e747a4a8d99a4d0155d9d2f47d3b0bedc1eda8172fd8f7dc11b1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2TyP05vbi9cCcXEtz5xMpi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TyP05vbi9cCcXEtz5xMpi.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xe9a903faf660e747a4a8d99a4d0155d9d2f47d3b0bedc1eda8172fd8f7dc11b1","isrc":"PLA246913741","name":"Kiedy będziesz zakochany","registered_at":"2026-06-22T10:20:13Z","spotify_id":"2TyP05vbi9cCcXEtz5xMpi","type":"track"}
track: Podziękuj
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270896
  explicit: false
  by artist: Mieczysław Fogg
  in album: Niezapomniane przeboje
    type: MusicAlbum
    date published: 1969-09-07
  isrc code: PLA246811942
track: Starszy pan
track: Piosenka o mojej Warszawie
track: Bujaj się, Fela
track: To ostatnia niedziela
track: Stary walc
track: Pieśń o matce
track: Kochana
track: Co nam zostało z tych lat

Starszy pan
type: MusicRecording
duration: PT2M50S
duration ms: 170460
explicit: false
by artist: Mieczysław Fogg
in album: Niezapomniane przeboje
  type: MusicAlbum
  date published: 1969-09-07
isrc code: PLA246811941

Piosenka o mojej Warszawie
type: MusicRecording
duration: PT2M22S
duration ms: 142077
explicit: false
by artist: Mieczysław Fogg
in album: Niezapomniane przeboje
  type: MusicAlbum
  date published: 1969-09-07
isrc code: PLA247421395
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T23:25:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/303uUL3TfoXRehtqo1Ks56.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/303uUL3TfoXRehtqo1Ks56
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619","isrc":"PLA247421395","name":"Piosenka o mojej Warszawie","registered_at":"2026-06-08T23:25:46Z","spotify_id":"303uUL3TfoXRehtqo1Ks56","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/303uUL3TfoXRehtqo1Ks56.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/303uUL3TfoXRehtqo1Ks56.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619","isrc":"PLA247421395","name":"Piosenka o mojej Warszawie","registered_at":"2026-06-08T23:25:46Z","spotify_id":"303uUL3TfoXRehtqo1Ks56","type":"track"}

Bujaj się, Fela
type: MusicRecording
duration: PT3M0S
duration ms: 180950
explicit: false
by artist: Mieczysław Fogg
in album: Niezapomniane przeboje
  type: MusicAlbum
  date published: 1969-09-07
isrc code: PLA245503750

To ostatnia niedziela
type: MusicRecording
duration: PT4M2S
duration ms: 242147
explicit: false
by artist: Mieczysław Fogg
in album: Niezapomniane przeboje
  type: MusicAlbum
  date published: 1969-09-07
isrc code: PLA247519335
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T18:25:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca61074e4a507fc113b3b4168566709527b220646db4d7c0f7aa001ba99050a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2Lv7bdRJEmqU6lM9KJj78Y.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Lv7bdRJEmqU6lM9KJj78Y
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca61074e4a507fc113b3b4168566709527b220646db4d7c0f7aa001ba99050a1","isrc":"PLA247519335","name":"To ostatnia niedziela","registered_at":"2026-06-05T18:25:37Z","spotify_id":"2Lv7bdRJEmqU6lM9KJj78Y","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xca61074e4a507fc113b3b4168566709527b220646db4d7c0f7aa001ba99050a1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Lv7bdRJEmqU6lM9KJj78Y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Lv7bdRJEmqU6lM9KJj78Y.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xca61074e4a507fc113b3b4168566709527b220646db4d7c0f7aa001ba99050a1","isrc":"PLA247519335","name":"To ostatnia niedziela","registered_at":"2026-06-05T18:25:37Z","spotify_id":"2Lv7bdRJEmqU6lM9KJj78Y","type":"track"}

Stary walc
type: MusicRecording
duration: PT3M13S
duration ms: 193403
explicit: false
by artist: Mieczysław Fogg
in album: Niezapomniane przeboje
  type: MusicAlbum
  date published: 1969-09-07
isrc code: PLA246913761

Pieśń o matce
type: MusicRecording
duration: PT3M22S
duration ms: 202330
explicit: false
by artist: Mieczysław Fogg
in album: Niezapomniane przeboje
  type: MusicAlbum
  date published: 1969-09-07
isrc code: PLA246913737

Kochana
type: MusicRecording
duration: PT2M40S
duration ms: 160604
explicit: false
by artist: Mieczysław Fogg
in album: Niezapomniane przeboje
  type: MusicAlbum
  date published: 1969-09-07
isrc code: PLA551800821

Co nam zostało z tych lat
type: MusicRecording
duration: PT2M38S
duration ms: 158734
explicit: false
by artist: Mieczysław Fogg
in album: Niezapomniane przeboje
  type: MusicAlbum
  date published: 1969-09-07
isrc code: PLA246913739

Oczarowanie
type: MusicAlbum
date published: 1968-09-07
track: Fascination
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232990
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
  isrc code: PLA246812088
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T22:27:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa4a7c0ba442f45b41a74ea4e68214436c640fb15203f71e956a323cf9324bf57
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3iJapUUfW1hCWjGhrKsEQN.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iJapUUfW1hCWjGhrKsEQN
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa4a7c0ba442f45b41a74ea4e68214436c640fb15203f71e956a323cf9324bf57. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3iJapUUfW1hCWjGhrKsEQN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iJapUUfW1hCWjGhrKsEQN.
    date published: 2026-07-08T03:20:19Z
track: Pikku-Nina
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184934
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
track: Cisza
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187579
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
  isrc code: PLA551800823
track: Na uliczce mojej
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154181
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
  isrc code: PLA551800824
track: Podziękuj
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269585
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
track: Starszy pan
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169196
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
track: Może to dzisiaj niemodne
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161788
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
  isrc code: PLA246811943
track: Nie odpowiadaj-nie
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193155
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
track: W kalendarzu jest taki dzien
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183116
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
  isrc code: PLA246811940
track: Zal mi okazji utraconych
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265608
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
track: Na Krakowskim Przedmieściu
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241459
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07
  isrc code: PLA551800827
track: Mieszkam tu nad Wisłą tyle lat
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173094
  explicit: false
  by artist: Mieczysław Fogg
  in album: Oczarowanie
    type: MusicAlbum
    date published: 1968-09-07

Wspomnienia dawnych dni
type: MusicAlbum
date published: 1961-09-07
track: Tango milonga
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115018
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
  isrc code: PLA246107805
track: Całuję twoją dłoń madame
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137595
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
  isrc code: PLA246100001
track: Ramona
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131935
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
track: Czekam cie
  type: MusicRecording
  duration: PT1M28S
  duration ms: 88334
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
  isrc code: PLA551800792
track: Nasza jest noc
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106822
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
  isrc code: PLA246100005
track: Jak w serenadzie
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131038
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
track: Niebieski walc
  type: MusicRecording
  duration: PT1M30S
  duration ms: 90721
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
track: Cicho grajcie mi znow
  type: MusicRecording
  duration: PT1M43S
  duration ms: 103237
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
track: W małym kinie
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198401
  explicit: false
  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
  isrc code: PLA246007545
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T07:47:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f07574376b9ca8f99682077891e3e7fc5baf08d8a268bb8a695387fea7ac82a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0FETswgJUDR1OKzYL8HJtb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FETswgJUDR1OKzYL8HJtb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9f07574376b9ca8f99682077891e3e7fc5baf08d8a268bb8a695387fea7ac82a","isrc":"PLA246007545","name":"W małym kinie","registered_at":"2026-06-10T07:47:30Z","spotify_id":"0FETswgJUDR1OKzYL8HJtb","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9f07574376b9ca8f99682077891e3e7fc5baf08d8a268bb8a695387fea7ac82a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0FETswgJUDR1OKzYL8HJtb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FETswgJUDR1OKzYL8HJtb.
    date published: 2026-06-13T17:25:41Z
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track: Pamietam dni
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  duration: PT3M37S
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  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
    type: MusicAlbum
    date published: 1961-09-07
track: Zgubiłem dzień
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  duration: PT3M11S
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  by artist: Mieczysław Fogg
  in album: Wspomnienia dawnych dni
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    date published: 1961-09-07
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track: Cztery nogi
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    date published: 1961-09-07
  isrc code: PLA246107806
track: Nietoperze
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  duration: PT1M55S
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track: Tango andrusowskie
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track: Tulipany
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track: Nadejda kiedys takie dni
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    type: MusicAlbum
    date published: 1961-09-07
track: Oczy czarne
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track: Fredzio
track: Co nam zostalo z tych lat
track: Pierwszy siwy włos
track: Bujaj się, Fela
track: Pierwsze bzy

Fredzio
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Co nam zostalo z tych lat
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duration: PT2M12S
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by artist: Mieczysław Fogg
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Pierwszy siwy włos
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Bujaj się, Fela
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Pierwsze bzy
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Co nam zostalo z tych lat - cykl 3
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date published: 1961-09-07
track: Tango milonga
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track: Całuję twoją dłoń madame
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track: Ramona
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track: Czekam cie
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track: Nasza jest noc
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track: Jak w serenadzie
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track: Niebieski walc
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track: Cicho grajcie mi znow
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    type: MusicAlbum
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track: Cztery nogi
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track: Nietoperze
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track: Tango andrusowskie
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  in album: Co nam zostalo z tych lat - cykl 3
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track: Tulipany
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    type: MusicAlbum
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track: Nadejda kiedys takie dni
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  in album: Co nam zostalo z tych lat - cykl 3
    type: MusicAlbum
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track: Oczy czarne
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  duration: PT1M29S
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  in album: Co nam zostalo z tych lat - cykl 3
    type: MusicAlbum
    date published: 1961-09-07
track: Fredzio
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  duration: PT3M42S
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  in album: Co nam zostalo z tych lat - cykl 3
    type: MusicAlbum
    date published: 1961-09-07

Co nam zostalo z tych lat - cykl 2
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track: Blekitne oczy
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track: Pamiętam twoje oczy
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    type: MusicAlbum
    date published: 1961-09-07
track: François
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  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 2
    type: MusicAlbum
    date published: 1961-09-07
track: Kiedy znów zakwitną białe bzy
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T11:38:34Z
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track: To samo niebo
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track: Ksiezyc nad Tahiti
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track: Odpukaj pan
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track: Każdemu wolno kochać
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track: Serce matki
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track: Gdzie twoje serce
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track: Chiquita
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track: Młodym być i więcej nic
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track: Baby
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  isrc code: PLA241300438
track: Ostatnia niedziela
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track: Ja mam czas, ja poczekam
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track: Zlociste wloski
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    type: MusicAlbum
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Mieczyslaw Fogg spiewa piosenki swojej mlodosci
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track: Co nam zostalo z tych lat
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track: List
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track: Wczoraj szczescie bylo blisko
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track: Skrwawione serce
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track: Spij moje serce
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track: Bluzeczka zamszowa
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track: Kiedy bedziesz zakochany
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track: Moze kiedys innym razem
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track: Każdemu wolno kochać
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  subject of: OpenTimestamps Proof of Existence
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track: Serce matki
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track: Gdzie twoje serce
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track: Chiquita
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track: Młodym być i więcej nic
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track: Baby
  type: MusicRecording
  duration: PT0M35S
  duration ms: 35678
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
    type: MusicAlbum
    date published: 1960-09-07
  isrc code: PLA241300438
track: Ostatnia niedziela
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166994
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
    type: MusicAlbum
    date published: 1960-09-07
track: Ja mam czas, ja poczekam
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107089
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
    type: MusicAlbum
    date published: 1960-09-07
track: Zlociste wloski
  type: MusicRecording
  duration: PT2M12S
  duration ms: 132535
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
    type: MusicAlbum
    date published: 1960-09-07
track: Blekitne oczy
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118539
  explicit: false
  by artist: Mieczysław Fogg
  in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
track: Pamiętam twoje oczy
track: François
track: Kiedy znów zakwitną białe bzy
track: To samo niebo
track: Ksiezyc nad Tahiti
track: Odpukaj pan
track: Hanko
track: Moze dzis
track: Juz nigdy
track: Szkoda twoich lez dziewczyno
track: Nie bede plakal
track: Gwizdze na wszystko
track: Już taki jestem zimny drań
track: Graj skrzypku graj
track: Kochana

Mieczysław Fogg
type: MusicGroup

Mieczyslaw Fogg spiewa piosenki swojej mlodosci
type: MusicAlbum
date published: 1960-09-07

Pamiętam twoje oczy
type: MusicRecording
duration: PT1M49S
duration ms: 109010
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

François
type: MusicRecording
duration: PT1M38S
duration ms: 98836
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Kiedy znów zakwitną białe bzy
type: MusicRecording
duration: PT2M22S
duration ms: 142210
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07
isrc code: PLA246000003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T19:33:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50dfb66c81f666ce0fb823437bb5a576da921ba62e780753ccc0d042e92b15c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/015JvDPIBquLQTX6VZPwB2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/015JvDPIBquLQTX6VZPwB2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x50dfb66c81f666ce0fb823437bb5a576da921ba62e780753ccc0d042e92b15c5","isrc":"PLA246000003","name":"Kiedy znów zakwitną białe bzy","registered_at":"2026-06-27T19:33:52Z","spotify_id":"015JvDPIBquLQTX6VZPwB2","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x50dfb66c81f666ce0fb823437bb5a576da921ba62e780753ccc0d042e92b15c5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/015JvDPIBquLQTX6VZPwB2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/015JvDPIBquLQTX6VZPwB2.
  date published: 2026-07-08T03:20:19Z
  text: {"copyright_id":"0x50dfb66c81f666ce0fb823437bb5a576da921ba62e780753ccc0d042e92b15c5","isrc":"PLA246000003","name":"Kiedy znów zakwitną białe bzy","registered_at":"2026-06-27T19:33:52Z","spotify_id":"015JvDPIBquLQTX6VZPwB2","type":"track"}

To samo niebo
type: MusicRecording
duration: PT1M56S
duration ms: 116848
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Ksiezyc nad Tahiti
type: MusicRecording
duration: PT2M50S
duration ms: 170566
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Odpukaj pan
type: MusicRecording
duration: PT1M21S
duration ms: 81575
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Hanko
type: MusicRecording
duration: PT1M14S
duration ms: 74550
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Moze dzis
type: MusicRecording
duration: PT1M58S
duration ms: 118544
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Juz nigdy
type: MusicRecording
duration: PT1M7S
duration ms: 67598
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Szkoda twoich lez dziewczyno
type: MusicRecording
duration: PT1M23S
duration ms: 83751
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Nie bede plakal
type: MusicRecording
duration: PT1M20S
duration ms: 80782
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Gwizdze na wszystko
type: MusicRecording
duration: PT0M41S
duration ms: 41101
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Już taki jestem zimny drań
type: MusicRecording
duration: PT1M56S
duration ms: 116827
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Graj skrzypku graj
type: MusicRecording
duration: PT1M50S
duration ms: 110890
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Kochana
type: MusicRecording
duration: PT1M33S
duration ms: 93532
explicit: false
by artist: Mieczysław Fogg
in album: Mieczyslaw Fogg spiewa piosenki swojej mlodosci
  type: MusicAlbum
  date published: 1960-09-07

Co nam zostalo z tych lat - cykl 1
type: MusicAlbum
date published: 1960-09-07
track: Co nam zostalo z tych lat
  type: MusicRecording
  duration: PT2M12S
  duration ms: 132034
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: List
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114029
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Wczoraj szczescie bylo blisko
  type: MusicRecording
  duration: PT0M41S
  duration ms: 41467
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Skrwawione serce
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107901
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Spij moje serce
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163616
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Bluzeczka zamszowa
  type: MusicRecording
  duration: PT1M13S
  duration ms: 73612
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Kiedy bedziesz zakochany
  type: MusicRecording
  duration: PT0M45S
  duration ms: 45599
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Moze kiedys innym razem
  type: MusicRecording
  duration: PT1M6S
  duration ms: 66635
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
  isrc code: PLA241300432
track: Hanko
  type: MusicRecording
  duration: PT1M14S
  duration ms: 74550
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Moze dzis
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118544
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Juz nigdy
  type: MusicRecording
  duration: PT1M7S
  duration ms: 67598
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
  isrc code: PLA246000004
track: Szkoda twoich lez dziewczyno
  type: MusicRecording
  duration: PT1M23S
  duration ms: 83751
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
  isrc code: PLA246000140
track: Nie bede plakal
  type: MusicRecording
  duration: PT1M20S
  duration ms: 80782
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
track: Gwizdze na wszystko
  type: MusicRecording
  duration: PT0M41S
  duration ms: 41101
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
  isrc code: PLA241300450
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T17:10:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3a0ff5e717f9c2656028e9419bff46bc76df71e9b87481de46d3ee55ae1e37ac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/74EEQmyFs3HBXiDfyEPkiJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74EEQmyFs3HBXiDfyEPkiJ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3a0ff5e717f9c2656028e9419bff46bc76df71e9b87481de46d3ee55ae1e37ac","isrc":"PLA241300450","name":"Gwizdze na wszystko","registered_at":"2026-06-27T17:10:38Z","spotify_id":"74EEQmyFs3HBXiDfyEPkiJ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3a0ff5e717f9c2656028e9419bff46bc76df71e9b87481de46d3ee55ae1e37ac. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/74EEQmyFs3HBXiDfyEPkiJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74EEQmyFs3HBXiDfyEPkiJ.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x3a0ff5e717f9c2656028e9419bff46bc76df71e9b87481de46d3ee55ae1e37ac","isrc":"PLA241300450","name":"Gwizdze na wszystko","registered_at":"2026-06-27T17:10:38Z","spotify_id":"74EEQmyFs3HBXiDfyEPkiJ","type":"track"}
track: Już taki jestem zimny drań
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116827
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
  isrc code: PLA241100343
track: Graj skrzypku graj
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110890
  explicit: false
  by artist: Mieczysław Fogg
  in album: Co nam zostalo z tych lat - cykl 1
    type: MusicAlbum
    date published: 1960-09-07
  isrc code: PLA241300451
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T18:52:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x75e4d754b54faef1eb263b4ec8f10406a94a157a6ae1cbd7bdd762a835231a7b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Kochana

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2pp1hZGvlOARUtf7VxQqqN.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2pp1hZGvlOARUtf7VxQqqN

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x75e4d754b54faef1eb263b4ec8f10406a94a157a6ae1cbd7bdd762a835231a7b","isrc":"PLA241300451","name":"Graj skrzypku graj","registered_at":"2026-06-21T18:52:37Z","spotify_id":"2pp1hZGvlOARUtf7VxQqqN","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75e4d754b54faef1eb263b4ec8f10406a94a157a6ae1cbd7bdd762a835231a7b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2pp1hZGvlOARUtf7VxQqqN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2pp1hZGvlOARUtf7VxQqqN.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0x75e4d754b54faef1eb263b4ec8f10406a94a157a6ae1cbd7bdd762a835231a7b","isrc":"PLA241300451","name":"Graj skrzypku graj","registered_at":"2026-06-21T18:52:37Z","spotify_id":"2pp1hZGvlOARUtf7VxQqqN","type":"track"}

Kochana
type: MusicRecording
duration: PT1M33S
duration ms: 93532
explicit: false
by artist: Mieczysław Fogg
in album: Co nam zostalo z tych lat - cykl 1
  type: MusicAlbum
  date published: 1960-09-07

Piosenki
type: MusicAlbum
date published: 1955-09-07
track: Pierwszy siwy włos
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193618
  explicit: false
  by artist: Mieczysław Fogg
  in album: Piosenki
    type: MusicAlbum
    date published: 1955-09-07
  isrc code: PLA245503751
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T10:48:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5192b1389c5f83265e3011aa49ecca179516afe6c650ca1a29e5d90f2e93f96c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7eTm5SwAyazlv0zDLb0qCb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7eTm5SwAyazlv0zDLb0qCb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5192b1389c5f83265e3011aa49ecca179516afe6c650ca1a29e5d90f2e93f96c","isrc":"PLA245503751","name":"Pierwszy siwy włos","registered_at":"2026-06-21T10:48:09Z","spotify_id":"7eTm5SwAyazlv0zDLb0qCb","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5192b1389c5f83265e3011aa49ecca179516afe6c650ca1a29e5d90f2e93f96c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7eTm5SwAyazlv0zDLb0qCb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7eTm5SwAyazlv0zDLb0qCb.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x5192b1389c5f83265e3011aa49ecca179516afe6c650ca1a29e5d90f2e93f96c","isrc":"PLA245503751","name":"Pierwszy siwy włos","registered_at":"2026-06-21T10:48:09Z","spotify_id":"7eTm5SwAyazlv0zDLb0qCb","type":"track"}
track: Pierwsze bzy
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192550
  explicit: false
  by artist: Mieczysław Fogg
  in album: Piosenki
    type: MusicAlbum
    date published: 1955-09-07
track: Bujaj się, Fela
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180907
  explicit: false
  by artist: Mieczysław Fogg
  in album: Piosenki
    type: MusicAlbum
    date published: 1955-09-07
  isrc code: PLA245503750
track: Rece
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158936
  explicit: false
  by artist: Mieczysław Fogg
  in album: Piosenki
    type: MusicAlbum
    date published: 1955-09-07
track: Błękitne oczy
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151112
  explicit: false
  by artist: Mieczysław Fogg
  in album: Piosenki
    type: MusicAlbum
    date published: 1955-09-07
track: Umowmy sie na dzis
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177020
  explicit: false
  by artist: Mieczysław Fogg
  in album: Piosenki
    type: MusicAlbum
    date published: 1955-09-07
track: Kochana
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190174
  explicit: false
  by artist: Mieczysław Fogg
  in album: Piosenki
    type: MusicAlbum
    date published: 1955-09-07

60 lat Polskich Nagrań
type: MusicAlbum
date published: 2016-10-03
track: Szanujmy wspomnienia
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168266
  explicit: false
  by artist: Skaldowie
  in album: 60 lat Polskich Nagrań
    type: MusicAlbum
    date published: 2016-10-03
  isrc code: PLA247620484
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T06:20:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaeffdaba281cde88fce914d05b87cc75769447e398adad41792deb29d63ab66a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3JVlfIFnZDZ7FEOxgsEG5w.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3JVlfIFnZDZ7FEOxgsEG5w
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xaeffdaba281cde88fce914d05b87cc75769447e398adad41792deb29d63ab66a","isrc":"PLA247620484","name":"Szanujmy wspomnienia","registered_at":"2026-06-18T06:20:48Z","spotify_id":"3JVlfIFnZDZ7FEOxgsEG5w","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xaeffdaba281cde88fce914d05b87cc75769447e398adad41792deb29d63ab66a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3JVlfIFnZDZ7FEOxgsEG5w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3JVlfIFnZDZ7FEOxgsEG5w.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xaeffdaba281cde88fce914d05b87cc75769447e398adad41792deb29d63ab66a","isrc":"PLA247620484","name":"Szanujmy wspomnienia","registered_at":"2026-06-18T06:20:48Z","spotify_id":"3JVlfIFnZDZ7FEOxgsEG5w","type":"track"}
track: W małym kinie
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198401
  explicit: false
  by artist: Mieczysław Fogg
  in album: 60 lat Polskich Nagrań
    type: MusicAlbum
    date published: 2016-10-03
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T07:47:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f07574376b9ca8f99682077891e3e7fc5baf08d8a268bb8a695387fea7ac82a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4vPL3In3RiQi6MN2ykej6b.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4vPL3In3RiQi6MN2ykej6b
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9f07574376b9ca8f99682077891e3e7fc5baf08d8a268bb8a695387fea7ac82a","isrc":"PLA246007545","name":"W małym kinie","registered_at":"2026-06-10T07:47:30Z","spotify_id":"4vPL3In3RiQi6MN2ykej6b","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9f07574376b9ca8f99682077891e3e7fc5baf08d8a268bb8a695387fea7ac82a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4vPL3In3RiQi6MN2ykej6b.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4vPL3In3RiQi6MN2ykej6b.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x9f07574376b9ca8f99682077891e3e7fc5baf08d8a268bb8a695387fea7ac82a","isrc":"PLA246007545","name":"W małym kinie","registered_at":"2026-06-10T07:47:30Z","spotify_id":"4vPL3In3RiQi6MN2ykej6b","type":"track"}
track: Cicha woda
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144693
  explicit: false
  by artist: Barbara Dunin
  by artist: Zbigniew Kurtycz
  in album: 60 lat Polskich Nagrań
    type: MusicAlbum
    date published: 2016-10-03
  isrc code: PLA245403571
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T06:21:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x27e565c15ba547c41bba079bb0b4cc11a75e5f37f756521165933a95d137c0ce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/58r8uT9szEI6WcKrrSorIF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58r8uT9szEI6WcKrrSorIF
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x27e565c15ba547c41bba079bb0b4cc11a75e5f37f756521165933a95d137c0ce","isrc":"PLA245403571","name":"Cicha woda","registered_at":"2026-06-18T06:21:58Z","spotify_id":"58r8uT9szEI6WcKrrSorIF","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x27e565c15ba547c41bba079bb0b4cc11a75e5f37f756521165933a95d137c0ce. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58r8uT9szEI6WcKrrSorIF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58r8uT9szEI6WcKrrSorIF.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x27e565c15ba547c41bba079bb0b4cc11a75e5f37f756521165933a95d137c0ce","isrc":"PLA245403571","name":"Cicha woda","registered_at":"2026-06-18T06:21:58Z","spotify_id":"58r8uT9szEI6WcKrrSorIF","type":"track"}
track: Każdemu wolno kochać
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174186
  explicit: false
  by artist: Jerzy Połomski
  in album: 60 lat Polskich Nagrań
    type: MusicAlbum
    date published: 2016-10-03
  isrc code: PLA247316668
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T16:47:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x287c72b5c3890d9ff2d4105a18d277577b2a8c7f17fad26aa33d77578367b251
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6DMq88wXHhZS1x06bRHy2C.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6DMq88wXHhZS1x06bRHy2C
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x287c72b5c3890d9ff2d4105a18d277577b2a8c7f17fad26aa33d77578367b251","isrc":"PLA247316668","name":"Każdemu wolno kochać","registered_at":"2026-06-23T16:47:28Z","spotify_id":"6DMq88wXHhZS1x06bRHy2C","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x287c72b5c3890d9ff2d4105a18d277577b2a8c7f17fad26aa33d77578367b251. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6DMq88wXHhZS1x06bRHy2C.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6DMq88wXHhZS1x06bRHy2C.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x287c72b5c3890d9ff2d4105a18d277577b2a8c7f17fad26aa33d77578367b251","isrc":"PLA247316668","name":"Każdemu wolno kochać","registered_at":"2026-06-23T16:47:28Z","spotify_id":"6DMq88wXHhZS1x06bRHy2C","type":"track"}
track: Bo to się zwykle tak zaczyna
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250266
  explicit: false
  by artist: Bohdan Lazuka
  in album: 60 lat Polskich Nagrań
  isrc code: PLA246409343
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Zginęła mi dziewczyna
track: Bo z dziewczynami
track: Do zakochania jeden krok
track: C'est la vie - Wersja angielska
track: Gdzie się podziały tamte prywatki
track: Zielono mi
track: Prześliczna wiolonczelistka
track: Zanim nas w ramiona weźmie jesień
track: Wszystko za nami
track: Oczy ci zasłonię
track: Kochać
track: Kiedy byłem małym chłopcem
track: Dwudziestolatki
track: No bo ty się boisz myszy
track: Trzynastego
track: Historia jednej znajomości
track: Chłopiec z gitarą
track: Nie bądź taki szybki Bill
track: Malowana piosenka
track: Jedziemy autostopem
track: Rudy rydz
track: Cóż wiemy o miłości
track: Kwiaty we włosach
track: Przyjdź w taką noc
track: Medytacje wiejskiego listonosza
track: Hej, wracajcie chłopcy na wieś
track: Za mną nie oglądaj się (feat. Halina Frąckowiak)
track: Jesteś wszystkim co mam
track: Gdybyś kochał, hej!
track: Co się jutro zdarzyć ma
track: Nie widzę ciebie w swych marzeniach (feat. Stanisław Wenglorz)
track: Powróćmy jak za dawnych lat
track: Piotruś
track: Serduszko puka w rytmie cza-cza
track: Twój mały zegarek
track: Ja mam szczęście do wszystkiego
track: Złoty pierścionek
track: Augustowskie noce
track: Gdy mi ciebie zabraknie
track: Kasztany
track: Serce
track: Mój pierwszy bal
track: Tych lat nie odda nikt
track: Staruszek świat
track: Miłość jak wino

60 lat Polskich Nagrań
type: MusicAlbum
date published: 2016-10-03

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-07T15:44:34+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xab49f53c06fdfe356d2d8f2ce9002df7c608730734ab51b0f9e8e4984a07750a

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953515

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953515

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/5JAhq1jVe7qNSlyJIm2lFs.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JAhq1jVe7qNSlyJIm2lFs

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:53:06Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xab49f53c06fdfe356d2d8f2ce9002df7c608730734ab51b0f9e8e4984a07750a","isrc":"PLA246409343","name":"Bo to się zwykle tak zaczyna","registered_at":"2026-06-07T15:44:34Z","spotify_id":"5JAhq1jVe7qNSlyJIm2lFs","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab49f53c06fdfe356d2d8f2ce9002df7c608730734ab51b0f9e8e4984a07750a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JAhq1jVe7qNSlyJIm2lFs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JAhq1jVe7qNSlyJIm2lFs.
date published: 2026-06-13T12:53:06Z
text: {"copyright_id":"0xab49f53c06fdfe356d2d8f2ce9002df7c608730734ab51b0f9e8e4984a07750a","isrc":"PLA246409343","name":"Bo to się zwykle tak zaczyna","registered_at":"2026-06-07T15:44:34Z","spotify_id":"5JAhq1jVe7qNSlyJIm2lFs","type":"track"}

Zginęła mi dziewczyna
type: MusicRecording
duration: PT3M1S
duration ms: 181333
explicit: false
by artist: Danuta Rinn
by artist: Bogdan Czyzewski
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246409238
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T17:10:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x62fc4b5ced4ccc93cdb3794ad1fb6570dc3bb82a828ffef2befc21cab4a64e13
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6LPDiJLiBQiET5hpYTbRM9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6LPDiJLiBQiET5hpYTbRM9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x62fc4b5ced4ccc93cdb3794ad1fb6570dc3bb82a828ffef2befc21cab4a64e13","isrc":"PLA246409238","name":"Zginęła mi dziewczyna","registered_at":"2026-06-27T17:10:03Z","spotify_id":"6LPDiJLiBQiET5hpYTbRM9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x62fc4b5ced4ccc93cdb3794ad1fb6570dc3bb82a828ffef2befc21cab4a64e13. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LPDiJLiBQiET5hpYTbRM9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6LPDiJLiBQiET5hpYTbRM9.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x62fc4b5ced4ccc93cdb3794ad1fb6570dc3bb82a828ffef2befc21cab4a64e13","isrc":"PLA246409238","name":"Zginęła mi dziewczyna","registered_at":"2026-06-27T17:10:03Z","spotify_id":"6LPDiJLiBQiET5hpYTbRM9","type":"track"}

Bo z dziewczynami
type: MusicRecording
duration: PT3M49S
duration ms: 229746
explicit: false
by artist: Jerzy Połomski
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247317142
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:59:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa489459ee76fd746ffd8174e7af302f18bb587ab920bb9c2dbacc52ac2f89e9b
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1NOAqGJQNbRAoWMUh7bWZb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1NOAqGJQNbRAoWMUh7bWZb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa489459ee76fd746ffd8174e7af302f18bb587ab920bb9c2dbacc52ac2f89e9b","isrc":"PLA247317142","name":"Bo z dziewczynami","registered_at":"2026-06-08T14:59:11Z","spotify_id":"1NOAqGJQNbRAoWMUh7bWZb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa489459ee76fd746ffd8174e7af302f18bb587ab920bb9c2dbacc52ac2f89e9b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1NOAqGJQNbRAoWMUh7bWZb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1NOAqGJQNbRAoWMUh7bWZb.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xa489459ee76fd746ffd8174e7af302f18bb587ab920bb9c2dbacc52ac2f89e9b","isrc":"PLA247317142","name":"Bo z dziewczynami","registered_at":"2026-06-08T14:59:11Z","spotify_id":"1NOAqGJQNbRAoWMUh7bWZb","type":"track"}

Do zakochania jeden krok
type: MusicRecording
duration: PT4M0S
duration ms: 240520
explicit: false
by artist: Andrzej Dabrowski
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247215747
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:49:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x084ef0e3403c87eb3425860f81ef5ec5febf0277a97e97a88dcc57e140766a8a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5eQ1o1kfwd5CrqnFZhnUSM.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5eQ1o1kfwd5CrqnFZhnUSM
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x084ef0e3403c87eb3425860f81ef5ec5febf0277a97e97a88dcc57e140766a8a","isrc":"PLA247215747","name":"Do zakochania jeden krok","registered_at":"2026-06-07T03:49:14Z","spotify_id":"5eQ1o1kfwd5CrqnFZhnUSM","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x084ef0e3403c87eb3425860f81ef5ec5febf0277a97e97a88dcc57e140766a8a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5eQ1o1kfwd5CrqnFZhnUSM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5eQ1o1kfwd5CrqnFZhnUSM.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x084ef0e3403c87eb3425860f81ef5ec5febf0277a97e97a88dcc57e140766a8a","isrc":"PLA247215747","name":"Do zakochania jeden krok","registered_at":"2026-06-07T03:49:14Z","spotify_id":"5eQ1o1kfwd5CrqnFZhnUSM","type":"track"}

C'est la vie - Wersja angielska
type: MusicRecording
duration: PT4M54S
duration ms: 294640
explicit: false
by artist: Andrzej Zaucha
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA248728820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T10:48:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12c3901c4a8d60deed78b8f97907fd933a7fe01e60b86d3d4e126a615bb97ab4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3Ku7sKqoBtVOUuKXusZHI8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ku7sKqoBtVOUuKXusZHI8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x12c3901c4a8d60deed78b8f97907fd933a7fe01e60b86d3d4e126a615bb97ab4","isrc":"PLA248728820","name":"C'est la vie - Wersja angielska","registered_at":"2026-06-21T10:48:19Z","spotify_id":"3Ku7sKqoBtVOUuKXusZHI8","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x12c3901c4a8d60deed78b8f97907fd933a7fe01e60b86d3d4e126a615bb97ab4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Ku7sKqoBtVOUuKXusZHI8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ku7sKqoBtVOUuKXusZHI8.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x12c3901c4a8d60deed78b8f97907fd933a7fe01e60b86d3d4e126a615bb97ab4","isrc":"PLA248728820","name":"C'est la vie - Wersja angielska","registered_at":"2026-06-21T10:48:19Z","spotify_id":"3Ku7sKqoBtVOUuKXusZHI8","type":"track"}

Gdzie się podziały tamte prywatki
type: MusicRecording
duration: PT3M18S
duration ms: 198853
explicit: false
by artist: Wojciech Gassowski
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA248931648
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:32:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4daabc907c2bbc4a6c2e4e2389df03202c0a8c58fdccac405c28ef333209ef5e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0GAayTixtFa1ntUEXfOA2c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GAayTixtFa1ntUEXfOA2c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4daabc907c2bbc4a6c2e4e2389df03202c0a8c58fdccac405c28ef333209ef5e","isrc":"PLA248931648","name":"Gdzie się podziały tamte prywatki","registered_at":"2026-06-04T13:32:47Z","spotify_id":"0GAayTixtFa1ntUEXfOA2c","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4daabc907c2bbc4a6c2e4e2389df03202c0a8c58fdccac405c28ef333209ef5e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0GAayTixtFa1ntUEXfOA2c.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GAayTixtFa1ntUEXfOA2c.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4daabc907c2bbc4a6c2e4e2389df03202c0a8c58fdccac405c28ef333209ef5e","isrc":"PLA248931648","name":"Gdzie się podziały tamte prywatki","registered_at":"2026-06-04T13:32:47Z","spotify_id":"0GAayTixtFa1ntUEXfOA2c","type":"track"}

Zielono mi
type: MusicRecording
duration: PT3M33S
duration ms: 213586
explicit: false
by artist: Andrzej Dabrowski
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247013619
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T21:32:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda0e6bdfc2acdbb933c83ee1c86c8ead8656addf1717308c62b16d0fb40600fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/46YQERUCMO1lxYQKx0cKyb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/46YQERUCMO1lxYQKx0cKyb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xda0e6bdfc2acdbb933c83ee1c86c8ead8656addf1717308c62b16d0fb40600fe","isrc":"PLA247013619","name":"Zielono mi","registered_at":"2026-06-24T21:32:40Z","spotify_id":"46YQERUCMO1lxYQKx0cKyb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xda0e6bdfc2acdbb933c83ee1c86c8ead8656addf1717308c62b16d0fb40600fe. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/46YQERUCMO1lxYQKx0cKyb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/46YQERUCMO1lxYQKx0cKyb.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xda0e6bdfc2acdbb933c83ee1c86c8ead8656addf1717308c62b16d0fb40600fe","isrc":"PLA247013619","name":"Zielono mi","registered_at":"2026-06-24T21:32:40Z","spotify_id":"46YQERUCMO1lxYQKx0cKyb","type":"track"}

Prześliczna wiolonczelistka
type: MusicRecording
duration: PT3M7S
duration ms: 187426
explicit: false
by artist: Skaldowie
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246912789
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T16:48:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8b19a70cbd25bdf95ca5a0b08da02e2110f7f22cf2cd58a7bf6ebe6c0c5f9ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954130
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7BTbWQOusKiYTCJIsZDjI6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BTbWQOusKiYTCJIsZDjI6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T20:38:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc8b19a70cbd25bdf95ca5a0b08da02e2110f7f22cf2cd58a7bf6ebe6c0c5f9ac","isrc":"PLA246912789","name":"Prześliczna wiolonczelistka","registered_at":"2026-06-04T16:48:34Z","spotify_id":"7BTbWQOusKiYTCJIsZDjI6","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc8b19a70cbd25bdf95ca5a0b08da02e2110f7f22cf2cd58a7bf6ebe6c0c5f9ac. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:38:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7BTbWQOusKiYTCJIsZDjI6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BTbWQOusKiYTCJIsZDjI6.
  date published: 2026-06-17T20:38:57Z
  text: {"copyright_id":"0xc8b19a70cbd25bdf95ca5a0b08da02e2110f7f22cf2cd58a7bf6ebe6c0c5f9ac","isrc":"PLA246912789","name":"Prześliczna wiolonczelistka","registered_at":"2026-06-04T16:48:34Z","spotify_id":"7BTbWQOusKiYTCJIsZDjI6","type":"track"}

Zanim nas w ramiona weźmie jesień
type: MusicRecording
duration: PT3M24S
duration ms: 204706
explicit: false
by artist: Zbigniew Wodecki
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247519002

Wszystko za nami
type: MusicRecording
duration: PT2M59S
duration ms: 179733
explicit: false
by artist: Jerzy Grunwald
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247316842

Oczy ci zasłonię
type: MusicRecording
duration: PT2M58S
duration ms: 178920
explicit: false
by artist: Maciej Kossowski
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246913285
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T00:49:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38c0b99e95931e44614be5aeef7ca47cd33e7adcd6023d0cb06069a754c2d336
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/18Ve8rFn1fVwGs2BoY1643.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/18Ve8rFn1fVwGs2BoY1643
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x38c0b99e95931e44614be5aeef7ca47cd33e7adcd6023d0cb06069a754c2d336","isrc":"PLA246913285","name":"Oczy ci zasłonię","registered_at":"2026-06-26T00:49:59Z","spotify_id":"18Ve8rFn1fVwGs2BoY1643","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x38c0b99e95931e44614be5aeef7ca47cd33e7adcd6023d0cb06069a754c2d336. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/18Ve8rFn1fVwGs2BoY1643.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/18Ve8rFn1fVwGs2BoY1643.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x38c0b99e95931e44614be5aeef7ca47cd33e7adcd6023d0cb06069a754c2d336","isrc":"PLA246913285","name":"Oczy ci zasłonię","registered_at":"2026-06-26T00:49:59Z","spotify_id":"18Ve8rFn1fVwGs2BoY1643","type":"track"}

Kochać
type: MusicRecording
duration: PT3M41S
duration ms: 221440
explicit: false
by artist: Piotr Szczepanik
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246610356
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T16:47:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x661e17866e4cc189899706caf26e6615cfb32ae53e99aa4e6488dee787fbf667
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1VQX70stj8QfUIEQnqXmdf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1VQX70stj8QfUIEQnqXmdf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x661e17866e4cc189899706caf26e6615cfb32ae53e99aa4e6488dee787fbf667","isrc":"PLA246610356","name":"Kochać","registered_at":"2026-06-23T16:47:34Z","spotify_id":"1VQX70stj8QfUIEQnqXmdf","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x661e17866e4cc189899706caf26e6615cfb32ae53e99aa4e6488dee787fbf667. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1VQX70stj8QfUIEQnqXmdf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1VQX70stj8QfUIEQnqXmdf.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x661e17866e4cc189899706caf26e6615cfb32ae53e99aa4e6488dee787fbf667","isrc":"PLA246610356","name":"Kochać","registered_at":"2026-06-23T16:47:34Z","spotify_id":"1VQX70stj8QfUIEQnqXmdf","type":"track"}

Kiedy byłem małym chłopcem
type: MusicRecording
duration: PT3M10S
duration ms: 190706
explicit: false
by artist: Breakout
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247114653
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T15:43:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeaaf21ea3199f625999f9adaa01795ada6226222e2b276ed3966f17513769f21
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/77Q56Fz8eMu3p8pztTJTc2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/77Q56Fz8eMu3p8pztTJTc2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeaaf21ea3199f625999f9adaa01795ada6226222e2b276ed3966f17513769f21","isrc":"PLA247114653","name":"Kiedy byłem małym chłopcem","registered_at":"2026-06-07T15:43:38Z","spotify_id":"77Q56Fz8eMu3p8pztTJTc2","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xeaaf21ea3199f625999f9adaa01795ada6226222e2b276ed3966f17513769f21. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/77Q56Fz8eMu3p8pztTJTc2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/77Q56Fz8eMu3p8pztTJTc2.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xeaaf21ea3199f625999f9adaa01795ada6226222e2b276ed3966f17513769f21","isrc":"PLA247114653","name":"Kiedy byłem małym chłopcem","registered_at":"2026-06-07T15:43:38Z","spotify_id":"77Q56Fz8eMu3p8pztTJTc2","type":"track"}

Dwudziestolatki
type: MusicRecording
duration: PT2M21S
duration ms: 141813
explicit: false
by artist: Maciej Kossowski
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246409150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T11:15:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6165c7a0ee82c59be5465644f5921ce74ab34463eb91c032e42dae933d8bbb7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/62pClCnEpMls85YyZYsLiz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62pClCnEpMls85YyZYsLiz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb6165c7a0ee82c59be5465644f5921ce74ab34463eb91c032e42dae933d8bbb7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62pClCnEpMls85YyZYsLiz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62pClCnEpMls85YyZYsLiz.
  date published: 2026-06-13T13:32:09Z

No bo ty się boisz myszy
type: MusicRecording
duration: PT2M2S
duration ms: 122800
explicit: false
by artist: Czerwone Gitary
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246526798
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T17:24:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6636ab53ca425a8a180413295eb37cf8e5fad1b9ca00b3c655f88cd9352b4e1f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4PrMAwhJxlgovbOFYTc11O.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PrMAwhJxlgovbOFYTc11O
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6636ab53ca425a8a180413295eb37cf8e5fad1b9ca00b3c655f88cd9352b4e1f","isrc":"PLA246526798","name":"No bo ty się boisz myszy","registered_at":"2026-06-27T17:24:27Z","spotify_id":"4PrMAwhJxlgovbOFYTc11O","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6636ab53ca425a8a180413295eb37cf8e5fad1b9ca00b3c655f88cd9352b4e1f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4PrMAwhJxlgovbOFYTc11O.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PrMAwhJxlgovbOFYTc11O.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6636ab53ca425a8a180413295eb37cf8e5fad1b9ca00b3c655f88cd9352b4e1f","isrc":"PLA246526798","name":"No bo ty się boisz myszy","registered_at":"2026-06-27T17:24:27Z","spotify_id":"4PrMAwhJxlgovbOFYTc11O","type":"track"}

Trzynastego
type: MusicRecording
duration: PT2M59S
duration ms: 179040
explicit: false
by artist: Katarzyna Sobczyk
by artist: Czerwono Czarni
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246711072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T14:54:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde6085ae1f30ce1b8cd53980e5d2c136df2dd65ed81873f565252b6295d320b9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0F9aON4oXHQhEwOP0C0sb4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0F9aON4oXHQhEwOP0C0sb4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xde6085ae1f30ce1b8cd53980e5d2c136df2dd65ed81873f565252b6295d320b9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0F9aON4oXHQhEwOP0C0sb4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0F9aON4oXHQhEwOP0C0sb4.
  date published: 2026-07-02T03:55:08Z

Historia jednej znajomości
type: MusicRecording
duration: PT2M59S
duration ms: 179500
explicit: false
by artist: Czerwone Gitary
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246610253
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:27:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe53530070f87dc9bfcc4adc8101cf310f801c631df704e871af0af1188d834de
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6EmejRAk5RLK9Jb7Iokwp9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6EmejRAk5RLK9Jb7Iokwp9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe53530070f87dc9bfcc4adc8101cf310f801c631df704e871af0af1188d834de","isrc":"PLA246610253","name":"Historia jednej znajomości","registered_at":"2026-06-04T15:27:26Z","spotify_id":"6EmejRAk5RLK9Jb7Iokwp9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe53530070f87dc9bfcc4adc8101cf310f801c631df704e871af0af1188d834de. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6EmejRAk5RLK9Jb7Iokwp9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6EmejRAk5RLK9Jb7Iokwp9.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xe53530070f87dc9bfcc4adc8101cf310f801c631df704e871af0af1188d834de","isrc":"PLA246610253","name":"Historia jednej znajomości","registered_at":"2026-06-04T15:27:26Z","spotify_id":"6EmejRAk5RLK9Jb7Iokwp9","type":"track"}

Chłopiec z gitarą
type: MusicRecording
duration: PT2M44S
duration ms: 164826
explicit: false
by artist: Karin Stanek
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246308668
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T22:27:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9dcba7f85e3a22e1a780d2e70fbe6f847c35039c14fe983d04c24ada49159bd6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6p5WJ6FpWc84svzWHCQA6R.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p5WJ6FpWc84svzWHCQA6R
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9dcba7f85e3a22e1a780d2e70fbe6f847c35039c14fe983d04c24ada49159bd6","isrc":"PLA246308668","name":"Chłopiec z gitarą","registered_at":"2026-06-07T22:27:14Z","spotify_id":"6p5WJ6FpWc84svzWHCQA6R","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9dcba7f85e3a22e1a780d2e70fbe6f847c35039c14fe983d04c24ada49159bd6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6p5WJ6FpWc84svzWHCQA6R.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p5WJ6FpWc84svzWHCQA6R.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x9dcba7f85e3a22e1a780d2e70fbe6f847c35039c14fe983d04c24ada49159bd6","isrc":"PLA246308668","name":"Chłopiec z gitarą","registered_at":"2026-06-07T22:27:14Z","spotify_id":"6p5WJ6FpWc84svzWHCQA6R","type":"track"}

Nie bądź taki szybki Bill
type: MusicRecording
duration: PT2M11S
duration ms: 131946
explicit: false
by artist: Katarzyna Sobczyk
by artist: Czerwono Czarni
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246510115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T21:59:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xced3e0b1153add2bf0910fcf6bb659c0725c59a52f4e9b0fad634ec918a2451f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6aNNcJStmRq3ifwA6dCH4L.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6aNNcJStmRq3ifwA6dCH4L
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xced3e0b1153add2bf0910fcf6bb659c0725c59a52f4e9b0fad634ec918a2451f","isrc":"PLA246510115","name":"Nie bądź taki szybki Bill","registered_at":"2026-06-18T21:59:40Z","spotify_id":"6aNNcJStmRq3ifwA6dCH4L","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xced3e0b1153add2bf0910fcf6bb659c0725c59a52f4e9b0fad634ec918a2451f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6aNNcJStmRq3ifwA6dCH4L.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6aNNcJStmRq3ifwA6dCH4L.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xced3e0b1153add2bf0910fcf6bb659c0725c59a52f4e9b0fad634ec918a2451f","isrc":"PLA246510115","name":"Nie bądź taki szybki Bill","registered_at":"2026-06-18T21:59:40Z","spotify_id":"6aNNcJStmRq3ifwA6dCH4L","type":"track"}

Malowana piosenka
type: MusicRecording
duration: PT2M57S
duration ms: 177920
explicit: false
by artist: Karin Stanek
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246208263
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T17:11:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbf276d49267b4293bd9afff4dbf3f8962e6729c2207c9c7bf397c2a0e8c6c55
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3pFDBeeJNglE2tZGimxgUH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3pFDBeeJNglE2tZGimxgUH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbbf276d49267b4293bd9afff4dbf3f8962e6729c2207c9c7bf397c2a0e8c6c55","isrc":"PLA246208263","name":"Malowana piosenka","registered_at":"2026-06-27T17:11:19Z","spotify_id":"3pFDBeeJNglE2tZGimxgUH","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbbf276d49267b4293bd9afff4dbf3f8962e6729c2207c9c7bf397c2a0e8c6c55. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3pFDBeeJNglE2tZGimxgUH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3pFDBeeJNglE2tZGimxgUH.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xbbf276d49267b4293bd9afff4dbf3f8962e6729c2207c9c7bf397c2a0e8c6c55","isrc":"PLA246208263","name":"Malowana piosenka","registered_at":"2026-06-27T17:11:19Z","spotify_id":"3pFDBeeJNglE2tZGimxgUH","type":"track"}

Jedziemy autostopem
type: MusicRecording
duration: PT2M32S
duration ms: 152853
explicit: false
by artist: Karin Stanek
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246308985
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T05:07:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xadb2918933d93dfc87546447da69ba09b8532de3a56611d1e0518bce6f798e88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0t2v8FsIYWdCdUB62wpPd3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0t2v8FsIYWdCdUB62wpPd3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xadb2918933d93dfc87546447da69ba09b8532de3a56611d1e0518bce6f798e88","isrc":"PLA246308985","name":"Jedziemy autostopem","registered_at":"2026-06-18T05:07:33Z","spotify_id":"0t2v8FsIYWdCdUB62wpPd3","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xadb2918933d93dfc87546447da69ba09b8532de3a56611d1e0518bce6f798e88. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0t2v8FsIYWdCdUB62wpPd3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0t2v8FsIYWdCdUB62wpPd3.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xadb2918933d93dfc87546447da69ba09b8532de3a56611d1e0518bce6f798e88","isrc":"PLA246308985","name":"Jedziemy autostopem","registered_at":"2026-06-18T05:07:33Z","spotify_id":"0t2v8FsIYWdCdUB62wpPd3","type":"track"}

Rudy rydz
type: MusicRecording
duration: PT3M18S
duration ms: 198573
explicit: false
by artist: Helena Majdaniec
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246308945
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:53:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d336aa6d8b8539bffb5d24f78e36dbf5cd57b352ddc3f0bac93d02b7dd5ec49
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7IzZAc5NijuncU8HcEQEMz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7IzZAc5NijuncU8HcEQEMz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1d336aa6d8b8539bffb5d24f78e36dbf5cd57b352ddc3f0bac93d02b7dd5ec49","isrc":"PLA246308945","name":"Rudy rydz","registered_at":"2026-06-08T14:53:56Z","spotify_id":"7IzZAc5NijuncU8HcEQEMz","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1d336aa6d8b8539bffb5d24f78e36dbf5cd57b352ddc3f0bac93d02b7dd5ec49. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7IzZAc5NijuncU8HcEQEMz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7IzZAc5NijuncU8HcEQEMz.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x1d336aa6d8b8539bffb5d24f78e36dbf5cd57b352ddc3f0bac93d02b7dd5ec49","isrc":"PLA246308945","name":"Rudy rydz","registered_at":"2026-06-08T14:53:56Z","spotify_id":"7IzZAc5NijuncU8HcEQEMz","type":"track"}

Cóż wiemy o miłości
type: MusicRecording
duration: PT3M8S
duration ms: 188133
explicit: false
by artist: Trubadurzy
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246913064

Kwiaty we włosach
type: MusicRecording
duration: PT2M15S
duration ms: 135666
explicit: false
by artist: Czerwone Gitary
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA240300104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:31:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa336be5548c2d7136f766dc0ce33ff6891fa355c6e1c4d291b464ec59b0d0dc4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5hpSAdwylEGfOfrnI9JyUw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5hpSAdwylEGfOfrnI9JyUw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa336be5548c2d7136f766dc0ce33ff6891fa355c6e1c4d291b464ec59b0d0dc4","isrc":"PLA240300104","name":"Kwiaty we włosach","registered_at":"2026-06-04T11:31:05Z","spotify_id":"5hpSAdwylEGfOfrnI9JyUw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa336be5548c2d7136f766dc0ce33ff6891fa355c6e1c4d291b464ec59b0d0dc4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5hpSAdwylEGfOfrnI9JyUw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5hpSAdwylEGfOfrnI9JyUw.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xa336be5548c2d7136f766dc0ce33ff6891fa355c6e1c4d291b464ec59b0d0dc4","isrc":"PLA240300104","name":"Kwiaty we włosach","registered_at":"2026-06-04T11:31:05Z","spotify_id":"5hpSAdwylEGfOfrnI9JyUw","type":"track"}

Przyjdź w taką noc
type: MusicRecording
duration: PT2M27S
duration ms: 147160
explicit: false
by artist: Helena Majdaniec
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246510102
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T16:48:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa09c6588bf6f6466b1ab8636a27c8b234ed9877300e634dd01c8fc0f4d233c9b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5PeREEPXCD6Mwx1QKmztvV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5PeREEPXCD6Mwx1QKmztvV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa09c6588bf6f6466b1ab8636a27c8b234ed9877300e634dd01c8fc0f4d233c9b","isrc":"PLA246510102","name":"Przyjdź w taką noc","registered_at":"2026-06-23T16:48:49Z","spotify_id":"5PeREEPXCD6Mwx1QKmztvV","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa09c6588bf6f6466b1ab8636a27c8b234ed9877300e634dd01c8fc0f4d233c9b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5PeREEPXCD6Mwx1QKmztvV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5PeREEPXCD6Mwx1QKmztvV.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xa09c6588bf6f6466b1ab8636a27c8b234ed9877300e634dd01c8fc0f4d233c9b","isrc":"PLA246510102","name":"Przyjdź w taką noc","registered_at":"2026-06-23T16:48:49Z","spotify_id":"5PeREEPXCD6Mwx1QKmztvV","type":"track"}

Medytacje wiejskiego listonosza
type: MusicRecording
duration: PT2M53S
duration ms: 173133
explicit: false
by artist: Skaldowie
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246912783
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T14:17:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x104830713014f77b07a4aa24aa7f23c72b91a152ab52f38e8652841e23939fad
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0vGxz6nqfufnD2MsXO6NlP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vGxz6nqfufnD2MsXO6NlP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x104830713014f77b07a4aa24aa7f23c72b91a152ab52f38e8652841e23939fad","isrc":"PLA246912783","name":"Medytacje wiejskiego listonosza","registered_at":"2026-06-21T14:17:56Z","spotify_id":"0vGxz6nqfufnD2MsXO6NlP","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x104830713014f77b07a4aa24aa7f23c72b91a152ab52f38e8652841e23939fad. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0vGxz6nqfufnD2MsXO6NlP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vGxz6nqfufnD2MsXO6NlP.
  date published: 2026-07-06T07:53:57Z
  text: {"copyright_id":"0x104830713014f77b07a4aa24aa7f23c72b91a152ab52f38e8652841e23939fad","isrc":"PLA246912783","name":"Medytacje wiejskiego listonosza","registered_at":"2026-06-21T14:17:56Z","spotify_id":"0vGxz6nqfufnD2MsXO6NlP","type":"track"}

Hej, wracajcie chłopcy na wieś
type: MusicRecording
duration: PT2M22S
duration ms: 142280
explicit: false
by artist: Wojciech Korda
by artist: Niebiesko-Czarni
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246711345
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T18:34:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73d4c896c1c6ea224bdc41b70d17a664b3ad67ad0a4d0c634c01a74e388a8f08
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/67RaV3LTHxBTej8ljlTePF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67RaV3LTHxBTej8ljlTePF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x73d4c896c1c6ea224bdc41b70d17a664b3ad67ad0a4d0c634c01a74e388a8f08","isrc":"PLA246711345","name":"Hej, wracajcie chłopcy na wieś","registered_at":"2026-06-19T18:34:14Z","spotify_id":"67RaV3LTHxBTej8ljlTePF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x73d4c896c1c6ea224bdc41b70d17a664b3ad67ad0a4d0c634c01a74e388a8f08. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/67RaV3LTHxBTej8ljlTePF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67RaV3LTHxBTej8ljlTePF.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x73d4c896c1c6ea224bdc41b70d17a664b3ad67ad0a4d0c634c01a74e388a8f08","isrc":"PLA246711345","name":"Hej, wracajcie chłopcy na wieś","registered_at":"2026-06-19T18:34:14Z","spotify_id":"67RaV3LTHxBTej8ljlTePF","type":"track"}

Za mną nie oglądaj się (feat. Halina Frąckowiak)
type: MusicRecording
duration: PT2M48S
duration ms: 168560
explicit: false
by artist: ABC
by artist: Halina Frackowiak
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247013641

Jesteś wszystkim co mam
type: MusicRecording
duration: PT2M54S
duration ms: 174586
explicit: false
by artist: Jerzy Grunwald
by artist: En Face
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247216050

Gdybyś kochał, hej!
type: MusicRecording
duration: PT3M8S
duration ms: 188760
explicit: false
by artist: Breakout
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246912856

Co się jutro zdarzyć ma
type: MusicRecording
duration: PT2M4S
duration ms: 124693
explicit: false
by artist: Piotr Szczepanik
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246610357

Nie widzę ciebie w swych marzeniach (feat. Stanisław Wenglorz)
type: MusicRecording
duration: PT5M15S
duration ms: 315360
explicit: false
by artist: Skaldowie
by artist: Stanislaw Wenglorz
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247922949
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T21:46:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cd1beddfade3f185ceadc28477f8d2fbc29df2ac9b97fd3a2fdb11631a6ed2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0yREtIz6TD2PSHuVHKj6Hz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yREtIz6TD2PSHuVHKj6Hz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1cd1beddfade3f185ceadc28477f8d2fbc29df2ac9b97fd3a2fdb11631a6ed2f","isrc":"PLA247922949","name":"Nie widzę ciebie w swych marzeniach (feat. Stanisław Wenglorz)","registered_at":"2026-06-10T21:46:20Z","spotify_id":"0yREtIz6TD2PSHuVHKj6Hz","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1cd1beddfade3f185ceadc28477f8d2fbc29df2ac9b97fd3a2fdb11631a6ed2f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0yREtIz6TD2PSHuVHKj6Hz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yREtIz6TD2PSHuVHKj6Hz.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x1cd1beddfade3f185ceadc28477f8d2fbc29df2ac9b97fd3a2fdb11631a6ed2f","isrc":"PLA247922949","name":"Nie widzę ciebie w swych marzeniach (feat. Stanisław Wenglorz)","registered_at":"2026-06-10T21:46:20Z","spotify_id":"0yREtIz6TD2PSHuVHKj6Hz","type":"track"}

Powróćmy jak za dawnych lat
type: MusicRecording
duration: PT3M19S
duration ms: 199308
explicit: false
by artist: Sława Przybylska
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247317219

Piotruś
type: MusicRecording
duration: PT1M57S
duration ms: 117320
explicit: false
by artist: Natasza Zylska
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA245604882

Serduszko puka w rytmie cza-cza
type: MusicRecording
duration: PT3M16S
duration ms: 196493
explicit: false
by artist: Maria Koterbska
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA245806391
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:55:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e1cebb44e665207a23355d002ca8a862c0d663660805381f21fe71150dc1737
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4tIztZVa1opNNx2WXONdkT.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tIztZVa1opNNx2WXONdkT
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0e1cebb44e665207a23355d002ca8a862c0d663660805381f21fe71150dc1737","isrc":"PLA245806391","name":"Serduszko puka w rytmie cza-cza","registered_at":"2026-06-08T14:55:18Z","spotify_id":"4tIztZVa1opNNx2WXONdkT","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0e1cebb44e665207a23355d002ca8a862c0d663660805381f21fe71150dc1737. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tIztZVa1opNNx2WXONdkT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tIztZVa1opNNx2WXONdkT.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x0e1cebb44e665207a23355d002ca8a862c0d663660805381f21fe71150dc1737","isrc":"PLA245806391","name":"Serduszko puka w rytmie cza-cza","registered_at":"2026-06-08T14:55:18Z","spotify_id":"4tIztZVa1opNNx2WXONdkT","type":"track"}

Twój mały zegarek
type: MusicRecording
duration: PT3M22S
duration ms: 202440
explicit: false
by artist: Marta Mirska
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA245715693

Ja mam szczęście do wszystkiego
type: MusicRecording
duration: PT2M4S
duration ms: 124786
explicit: false
by artist: Hanna Rek
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246308888
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T12:16:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d6119c61f42a5832b24b5e14367565150c25e6595a0fcf76ef51ac0316fcdd7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7HWSa7XltDx7H06dYu8fdt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7HWSa7XltDx7H06dYu8fdt
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9d6119c61f42a5832b24b5e14367565150c25e6595a0fcf76ef51ac0316fcdd7","isrc":"PLA246308888","name":"Ja mam szczęście do wszystkiego","registered_at":"2026-06-20T12:16:19Z","spotify_id":"7HWSa7XltDx7H06dYu8fdt","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9d6119c61f42a5832b24b5e14367565150c25e6595a0fcf76ef51ac0316fcdd7. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7HWSa7XltDx7H06dYu8fdt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7HWSa7XltDx7H06dYu8fdt.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x9d6119c61f42a5832b24b5e14367565150c25e6595a0fcf76ef51ac0316fcdd7","isrc":"PLA246308888","name":"Ja mam szczęście do wszystkiego","registered_at":"2026-06-20T12:16:19Z","spotify_id":"7HWSa7XltDx7H06dYu8fdt","type":"track"}

Złoty pierścionek
type: MusicRecording
duration: PT3M40S
duration ms: 220013
explicit: false
by artist: Rena Rolska
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246510013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T20:12:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7331e8bdab56d701d9658ff4f4cdb44c29ad34010d88b88c5bbb0ec86faf079f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1Rbdo4THugUCpkslQjwpSE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Rbdo4THugUCpkslQjwpSE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7331e8bdab56d701d9658ff4f4cdb44c29ad34010d88b88c5bbb0ec86faf079f","isrc":"PLA246510013","name":"Złoty pierścionek","registered_at":"2026-06-20T20:12:06Z","spotify_id":"1Rbdo4THugUCpkslQjwpSE","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7331e8bdab56d701d9658ff4f4cdb44c29ad34010d88b88c5bbb0ec86faf079f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Rbdo4THugUCpkslQjwpSE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Rbdo4THugUCpkslQjwpSE.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x7331e8bdab56d701d9658ff4f4cdb44c29ad34010d88b88c5bbb0ec86faf079f","isrc":"PLA246510013","name":"Złoty pierścionek","registered_at":"2026-06-20T20:12:06Z","spotify_id":"1Rbdo4THugUCpkslQjwpSE","type":"track"}

Augustowskie noce
type: MusicRecording
duration: PT3M11S
duration ms: 191453
explicit: false
by artist: Maria Koterbska
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246615702

Gdy mi ciebie zabraknie
type: MusicRecording
duration: PT3M8S
duration ms: 188146
explicit: false
by artist: Ludmila Jakubczak
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246107878
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T00:45:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x030f6b5a47e65715599268695e8f4a8c77cfd3c9a513d200d5a5b241c07aa981
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6Kdidqn7FIe6YPDnBHk7ea.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Kdidqn7FIe6YPDnBHk7ea
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x030f6b5a47e65715599268695e8f4a8c77cfd3c9a513d200d5a5b241c07aa981","isrc":"PLA246107878","name":"Gdy mi ciebie zabraknie","registered_at":"2026-06-26T00:45:10Z","spotify_id":"6Kdidqn7FIe6YPDnBHk7ea","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x030f6b5a47e65715599268695e8f4a8c77cfd3c9a513d200d5a5b241c07aa981. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Kdidqn7FIe6YPDnBHk7ea.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Kdidqn7FIe6YPDnBHk7ea.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x030f6b5a47e65715599268695e8f4a8c77cfd3c9a513d200d5a5b241c07aa981","isrc":"PLA246107878","name":"Gdy mi ciebie zabraknie","registered_at":"2026-06-26T00:45:10Z","spotify_id":"6Kdidqn7FIe6YPDnBHk7ea","type":"track"}

Kasztany
type: MusicRecording
duration: PT3M49S
duration ms: 229008
explicit: false
by artist: Natasza Zylska
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA245705919

Serce
type: MusicRecording
duration: PT3M28S
duration ms: 208680
explicit: false
by artist: Irena Santor
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246610726

Mój pierwszy bal
type: MusicRecording
duration: PT3M12S
duration ms: 192548
explicit: false
by artist: Kalina Jedrusik
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246007630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T10:47:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x838e4dd1a5350cc9aca62f23fe8356de7c3de38e6313eee50cb8e7b904f98c72
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5mAwSQ3Ri4TVgNw8JUwViJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5mAwSQ3Ri4TVgNw8JUwViJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x838e4dd1a5350cc9aca62f23fe8356de7c3de38e6313eee50cb8e7b904f98c72","isrc":"PLA246007630","name":"Mój pierwszy bal","registered_at":"2026-06-22T10:47:10Z","spotify_id":"5mAwSQ3Ri4TVgNw8JUwViJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x838e4dd1a5350cc9aca62f23fe8356de7c3de38e6313eee50cb8e7b904f98c72. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5mAwSQ3Ri4TVgNw8JUwViJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5mAwSQ3Ri4TVgNw8JUwViJ.
  date published: 2026-07-06T07:53:57Z
  text: {"copyright_id":"0x838e4dd1a5350cc9aca62f23fe8356de7c3de38e6313eee50cb8e7b904f98c72","isrc":"PLA246007630","name":"Mój pierwszy bal","registered_at":"2026-06-22T10:47:10Z","spotify_id":"5mAwSQ3Ri4TVgNw8JUwViJ","type":"track"}

Tych lat nie odda nikt
type: MusicRecording
duration: PT1M53S
duration ms: 113066
explicit: false
by artist: Irena Santor
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA246800001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T16:46:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x016b1d9f8d8c09f4982c613a67ca1a1d6bfaaf5dde53af4082f3138fccfc4ea9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/14NaESMVj1vN7IXnRlQfa3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/14NaESMVj1vN7IXnRlQfa3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x016b1d9f8d8c09f4982c613a67ca1a1d6bfaaf5dde53af4082f3138fccfc4ea9","isrc":"PLA246800001","name":"Tych lat nie odda nikt","registered_at":"2026-06-23T16:46:45Z","spotify_id":"14NaESMVj1vN7IXnRlQfa3","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x016b1d9f8d8c09f4982c613a67ca1a1d6bfaaf5dde53af4082f3138fccfc4ea9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/14NaESMVj1vN7IXnRlQfa3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/14NaESMVj1vN7IXnRlQfa3.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x016b1d9f8d8c09f4982c613a67ca1a1d6bfaaf5dde53af4082f3138fccfc4ea9","isrc":"PLA246800001","name":"Tych lat nie odda nikt","registered_at":"2026-06-23T16:46:45Z","spotify_id":"14NaESMVj1vN7IXnRlQfa3","type":"track"}

Staruszek świat
type: MusicRecording
duration: PT3M30S
duration ms: 210213
explicit: false
by artist: Anna Jantar
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA247620021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T06:51:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9903df175ca9372246c030d1d536e70f2ce9ffd29e96f6cfe204f6c62ffa086a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5XuOGk68OPiEPcoLS7I3QN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XuOGk68OPiEPcoLS7I3QN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9903df175ca9372246c030d1d536e70f2ce9ffd29e96f6cfe204f6c62ffa086a","isrc":"PLA247620021","name":"Staruszek świat","registered_at":"2026-06-05T06:51:09Z","spotify_id":"5XuOGk68OPiEPcoLS7I3QN","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9903df175ca9372246c030d1d536e70f2ce9ffd29e96f6cfe204f6c62ffa086a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5XuOGk68OPiEPcoLS7I3QN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XuOGk68OPiEPcoLS7I3QN.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x9903df175ca9372246c030d1d536e70f2ce9ffd29e96f6cfe204f6c62ffa086a","isrc":"PLA247620021","name":"Staruszek świat","registered_at":"2026-06-05T06:51:09Z","spotify_id":"5XuOGk68OPiEPcoLS7I3QN","type":"track"}

Miłość jak wino
type: MusicRecording
duration: PT3M9S
duration ms: 189826
explicit: false
by artist: Eleni
in album: 60 lat Polskich Nagrań
  type: MusicAlbum
  date published: 2016-10-03
isrc code: PLA248728304

65 Lat Polskiej Piosenki 2
type: MusicAlbum
date published: 2014-01-14
track: Hej Chłopcy, Morze Ma Barwę Zieloną
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212013
  explicit: false
  by artist: Marta Mirska
  in album: 65 Lat Polskiej Piosenki 2
    type: MusicAlbum
    date published: 2014-01-14
  isrc code: PLA391588401
track: Piosenka O Okularnikach
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172613
  explicit: false
  by artist: Zofia Kucówna
  in album: 65 Lat Polskiej Piosenki 2
    type: MusicAlbum
    date published: 2014-01-14
  isrc code: PLA391488501
track: Jeszcze Tam Się Żagiel Bieli
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287453
  explicit: false
  by artist: Alicja Majewska
  in album: 65 Lat Polskiej Piosenki 2
    type: MusicAlbum
    date published: 2014-01-14
  isrc code: PLA391488601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T10:07:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcad2d2468eb7a934c3331eb14f655640238a0963986a36e25c5df3dfc5050e1d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3NkLyix5vOfIlcHphnXZn1.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3NkLyix5vOfIlcHphnXZn1
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcad2d2468eb7a934c3331eb14f655640238a0963986a36e25c5df3dfc5050e1d","isrc":"PLA391488601","name":"Jeszcze Tam Się Żagiel Bieli","registered_at":"2026-06-23T10:07:48Z","spotify_id":"3NkLyix5vOfIlcHphnXZn1","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcad2d2468eb7a934c3331eb14f655640238a0963986a36e25c5df3dfc5050e1d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3NkLyix5vOfIlcHphnXZn1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3NkLyix5vOfIlcHphnXZn1.
    date published: 2026-07-02T16:51:38Z
    text: {"copyright_id":"0xcad2d2468eb7a934c3331eb14f655640238a0963986a36e25c5df3dfc5050e1d","isrc":"PLA391488601","name":"Jeszcze Tam Się Żagiel Bieli","registered_at":"2026-06-23T10:07:48Z","spotify_id":"3NkLyix5vOfIlcHphnXZn1","type":"track"}
track: Mój Jest Ten Kawałek Podłogi
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243653
  explicit: false
  by artist: Mr. Zoob
  in album: 65 Lat Polskiej Piosenki 2
    type: MusicAlbum
    date published: 2014-01-14
  isrc code: PLA391488701
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T05:18:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x243d7ee2f214d96c7bb3008b2ca8bb04d0960cd52edaf35b1fced7ab365d99f9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4DfZp4o5FkCeCpZ5sSPMwc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DfZp4o5FkCeCpZ5sSPMwc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x243d7ee2f214d96c7bb3008b2ca8bb04d0960cd52edaf35b1fced7ab365d99f9","isrc":"PLA391488701","name":"Mój Jest Ten Kawałek Podłogi","registered_at":"2026-06-28T05:18:12Z","spotify_id":"4DfZp4o5FkCeCpZ5sSPMwc","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x243d7ee2f214d96c7bb3008b2ca8bb04d0960cd52edaf35b1fced7ab365d99f9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DfZp4o5FkCeCpZ5sSPMwc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DfZp4o5FkCeCpZ5sSPMwc.
    date published: 2026-07-02T16:51:38Z
    text: {"copyright_id":"0x243d7ee2f214d96c7bb3008b2ca8bb04d0960cd52edaf35b1fced7ab365d99f9","isrc":"PLA391488701","name":"Mój Jest Ten Kawałek Podłogi","registered_at":"2026-06-28T05:18:12Z","spotify_id":"4DfZp4o5FkCeCpZ5sSPMwc","type":"track"}
track: Nasza Miłość Jest Powieścią
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134773
  explicit: false
  by artist: Henryk Rostworowski
  in album: 65 Lat Polskiej Piosenki 2
    type: MusicAlbum
    date published: 2014-01-14
  isrc code: PLA391588402
track: Świętojańska Noc
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188586
  explicit: false
  by artist: Anna German
  in album: 65 Lat Polskiej Piosenki 2
    type: MusicAlbum
    date published: 2014-01-14
track: Iść W Stronę Słońca
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261426
  explicit: false
  by artist: Dwa plus Jeden
  in album: 65 Lat Polskiej Piosenki 2
    type: MusicAlbum
    date published: 2014-01-14
  isrc code: PLA391488602
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T01:44:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x52fa9b58bd918cff0cdf27fe28e5508e26f28a091c84dcd70b8ba8a47e145fbc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5s4tHLfeYl9giL0gnLlBTH.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5s4tHLfeYl9giL0gnLlBTH
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x52fa9b58bd918cff0cdf27fe28e5508e26f28a091c84dcd70b8ba8a47e145fbc","isrc":"PLA391488602","name":"Iść W Stronę Słońca","registered_at":"2026-06-07T01:44:42Z","spotify_id":"5s4tHLfeYl9giL0gnLlBTH","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x52fa9b58bd918cff0cdf27fe28e5508e26f28a091c84dcd70b8ba8a47e145fbc. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5s4tHLfeYl9giL0gnLlBTH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5s4tHLfeYl9giL0gnLlBTH.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x52fa9b58bd918cff0cdf27fe28e5508e26f28a091c84dcd70b8ba8a47e145fbc","isrc":"PLA391488602","name":"Iść W Stronę Słońca","registered_at":"2026-06-07T01:44:42Z","spotify_id":"5s4tHLfeYl9giL0gnLlBTH","type":"track"}
track: Jenny
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281000
  explicit: false
  by artist: Edyta Bartosiewicz
  in album: 65 Lat Polskiej Piosenki 2
    type: MusicAlbum
    date published: 2014-01-14
  isrc code: PLA391488702
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T18:33:28+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Jak Młode Stare Miasto
track: Sen O Warszawie
track: Obława
track: Latarnie Warszawskie
track: Kochać
track: King Bruce Lee Karate Mistrz
track: Trzej Przyjaciele Z Boiska
track: Odmieniec
track: Jaka Róża Taki Cierń
track: Mój Chłopiec Piłkę Kopie
track: W Dzikie Wino Zaplątani
track: Diamentowy Kolczyk
track: Mdm
track: Tych Lat Nie Odda Nikt
track: Paryż - Moskwa 17.15
track: Jadę Do Ciebie Tramwajem
track: Smak I Zapach Pomarańczy
track: Pójdę Do Nieba
track: Kasztany
track: Chodź, Pomaluj Mój Świat
track: Taki Cud Miód
track: Pierwszy Siwy Włos
track: Dwa Razy Dwa
track: Tak Bym Chciała Kochać Już
track: Na Krzywym Kole
track: Tyle Słońca W Całym Mieście
track: Labirynty
track: W Niedzielę Nad Wisłą
track: Czterdziestolatek
track: W Domach Z Betonu
track: Gdy Mi Ciebie Zabraknie
track: Świat Ordonki
track: Jestem Z Miasta
track: Kalinowe Serce
track: Dopóki Jesteś
track: Moja I Twoja Nadzieje
track: Złoty Pierścionek
track: Rajski Deser
track: Blues Mieszka W Polsce
track: Jak Przygoda To Tylko W Warszawie
track: Żyj Kolorowo
track: Jestem Kobietą

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x00edd5cf5b45387114e8baa7d676a65c0c18146167434130235d2f2b7b6ec930

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3KtEI5anO9ZVSG5uv5q8lX.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KtEI5anO9ZVSG5uv5q8lX

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00edd5cf5b45387114e8baa7d676a65c0c18146167434130235d2f2b7b6ec930. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KtEI5anO9ZVSG5uv5q8lX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KtEI5anO9ZVSG5uv5q8lX.
date published: 2026-06-13T15:41:10Z

Jak Młode Stare Miasto
type: MusicRecording
duration: PT3M37S
duration ms: 217386
explicit: false
by artist: Chór Czejanda
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14

Sen O Warszawie
type: MusicRecording
duration: PT2M37S
duration ms: 157880
explicit: false
by artist: Niemen
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488503
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T03:47:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f788ced82eb70ee84a87b661c0a92a125fc98eb25532440dbb6514e7427f5ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7kFuZra48Pv9wHAR8S3iyA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kFuZra48Pv9wHAR8S3iyA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9f788ced82eb70ee84a87b661c0a92a125fc98eb25532440dbb6514e7427f5ac","isrc":"PLA391488503","name":"Sen O Warszawie","registered_at":"2026-06-09T03:47:27Z","spotify_id":"7kFuZra48Pv9wHAR8S3iyA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9f788ced82eb70ee84a87b661c0a92a125fc98eb25532440dbb6514e7427f5ac. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7kFuZra48Pv9wHAR8S3iyA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kFuZra48Pv9wHAR8S3iyA.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x9f788ced82eb70ee84a87b661c0a92a125fc98eb25532440dbb6514e7427f5ac","isrc":"PLA391488503","name":"Sen O Warszawie","registered_at":"2026-06-09T03:47:27Z","spotify_id":"7kFuZra48Pv9wHAR8S3iyA","type":"track"}

Obława
type: MusicRecording
duration: PT2M44S
duration ms: 164786
explicit: false
by artist: Jacek Kaczmarski
by artist: Przemysław Gintrowski
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488603

Latarnie Warszawskie
type: MusicRecording
duration: PT2M59S
duration ms: 179533
explicit: false
by artist: Janina Godlewska
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588404

Kochać
type: MusicRecording
duration: PT3M27S
duration ms: 207626
explicit: false
by artist: Piotr Szczepanik
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T14:58:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x885cb2884186b21596e8846b1022e2f001f90727875467b947616d7ef2bdede7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6XVVAtGoR0amEEfiEo8VEB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6XVVAtGoR0amEEfiEo8VEB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x885cb2884186b21596e8846b1022e2f001f90727875467b947616d7ef2bdede7","isrc":"PLA391488504","name":"Kochać","registered_at":"2026-06-26T14:58:57Z","spotify_id":"6XVVAtGoR0amEEfiEo8VEB","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x885cb2884186b21596e8846b1022e2f001f90727875467b947616d7ef2bdede7. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6XVVAtGoR0amEEfiEo8VEB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6XVVAtGoR0amEEfiEo8VEB.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x885cb2884186b21596e8846b1022e2f001f90727875467b947616d7ef2bdede7","isrc":"PLA391488504","name":"Kochać","registered_at":"2026-06-26T14:58:57Z","spotify_id":"6XVVAtGoR0amEEfiEo8VEB","type":"track"}

King Bruce Lee Karate Mistrz
type: MusicRecording
duration: PT3M45S
duration ms: 225600
explicit: false
by artist: Franek Kimono
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488604

Trzej Przyjaciele Z Boiska
type: MusicRecording
duration: PT3M19S
duration ms: 199666
explicit: false
by artist: Chór Czejanda
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588405

Odmieniec
type: MusicRecording
duration: PT2M18S
duration ms: 138986
explicit: false
by artist: Kazimierz Grzeskowiak
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14

Jaka Róża Taki Cierń
type: MusicRecording
duration: PT5M28S
duration ms: 328626
explicit: false
by artist: Edyta Geppert
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488605
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T18:23:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cb7a55230a7958defe64d96a56fa84677b3a72eb3c3cad87fe65da80bb41ae9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3GoIuIis5yJmESYL2uiqlC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GoIuIis5yJmESYL2uiqlC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1cb7a55230a7958defe64d96a56fa84677b3a72eb3c3cad87fe65da80bb41ae9","isrc":"PLA391488605","name":"Jaka Róża Taki Cierń","registered_at":"2026-06-06T18:23:23Z","spotify_id":"3GoIuIis5yJmESYL2uiqlC","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1cb7a55230a7958defe64d96a56fa84677b3a72eb3c3cad87fe65da80bb41ae9. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GoIuIis5yJmESYL2uiqlC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GoIuIis5yJmESYL2uiqlC.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x1cb7a55230a7958defe64d96a56fa84677b3a72eb3c3cad87fe65da80bb41ae9","isrc":"PLA391488605","name":"Jaka Róża Taki Cierń","registered_at":"2026-06-06T18:23:23Z","spotify_id":"3GoIuIis5yJmESYL2uiqlC","type":"track"}

Mój Chłopiec Piłkę Kopie
type: MusicRecording
duration: PT3M11S
duration ms: 191200
explicit: false
by artist: Maria Koterbska
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588406

W Dzikie Wino Zaplątani
type: MusicRecording
duration: PT2M58S
duration ms: 178333
explicit: false
by artist: Marek Grechuta
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488506

Diamentowy Kolczyk
type: MusicRecording
duration: PT4M26S
duration ms: 266440
explicit: false
by artist: Anna Jurksztowicz
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488606

Mdm
type: MusicRecording
duration: PT2M34S
duration ms: 154266
explicit: false
by artist: Chór Czejanda
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588407

Tych Lat Nie Odda Nikt
type: MusicRecording
duration: PT2M4S
duration ms: 124560
explicit: false
by artist: Irena Santor
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488507
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T00:49:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29f91d6d3d9ef0464b67dcc6e10ffba8eebd7623e110f2f7b7758e31769d7c81
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5lxvsOGV5p9KiFeR7IzrAj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lxvsOGV5p9KiFeR7IzrAj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x29f91d6d3d9ef0464b67dcc6e10ffba8eebd7623e110f2f7b7758e31769d7c81","isrc":"PLA391488507","name":"Tych Lat Nie Odda Nikt","registered_at":"2026-06-08T00:49:21Z","spotify_id":"5lxvsOGV5p9KiFeR7IzrAj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x29f91d6d3d9ef0464b67dcc6e10ffba8eebd7623e110f2f7b7758e31769d7c81. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5lxvsOGV5p9KiFeR7IzrAj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lxvsOGV5p9KiFeR7IzrAj.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x29f91d6d3d9ef0464b67dcc6e10ffba8eebd7623e110f2f7b7758e31769d7c81","isrc":"PLA391488507","name":"Tych Lat Nie Odda Nikt","registered_at":"2026-06-08T00:49:21Z","spotify_id":"5lxvsOGV5p9KiFeR7IzrAj","type":"track"}

Paryż - Moskwa 17.15
type: MusicRecording
duration: PT5M13S
duration ms: 313400
explicit: false
by artist: Obywatel G.C.
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T08:01:20+00:00

Jadę Do Ciebie Tramwajem
type: MusicRecording
duration: PT3M19S
duration ms: 199680
explicit: false
by artist: Zbigniew Kurtycz
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588408

Smak I Zapach Pomarańczy
type: MusicRecording
duration: PT3M14S
duration ms: 194426
explicit: false
by artist: Tadeusz Wozniak
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488508

Pójdę Do Nieba
type: MusicRecording
duration: PT3M4S
duration ms: 184426
explicit: false
by artist: Grażyna Łobaszewska
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488608

Kasztany
type: MusicRecording
duration: PT3M49S
duration ms: 229400
explicit: false
by artist: Natasza Zylska
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T11:13:37+00:00

Chodź, Pomaluj Mój Świat
type: MusicRecording
duration: PT3M2S
duration ms: 182906
explicit: false
by artist: Dwa plus Jeden
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488509
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:15:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0de84d4b9bc30c29649a6c48a14fa048d93974d38bcc580836a4d6b19d8189f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2LgxBTppsa4BBS81UrK2Uk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2LgxBTppsa4BBS81UrK2Uk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0de84d4b9bc30c29649a6c48a14fa048d93974d38bcc580836a4d6b19d8189f1","isrc":"PLA391488509","name":"Chodź, Pomaluj Mój Świat","registered_at":"2026-06-05T13:15:38Z","spotify_id":"2LgxBTppsa4BBS81UrK2Uk","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0de84d4b9bc30c29649a6c48a14fa048d93974d38bcc580836a4d6b19d8189f1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2LgxBTppsa4BBS81UrK2Uk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2LgxBTppsa4BBS81UrK2Uk.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x0de84d4b9bc30c29649a6c48a14fa048d93974d38bcc580836a4d6b19d8189f1","isrc":"PLA391488509","name":"Chodź, Pomaluj Mój Świat","registered_at":"2026-06-05T13:15:38Z","spotify_id":"2LgxBTppsa4BBS81UrK2Uk","type":"track"}

Taki Cud Miód
type: MusicRecording
duration: PT4M0S
duration ms: 240320
explicit: false
by artist: Danuta Błażejczyk
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488609

Pierwszy Siwy Włos
type: MusicRecording
duration: PT3M36S
duration ms: 216586
explicit: false
by artist: Mieczysław Fogg
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588410

Dwa Razy Dwa
type: MusicRecording
duration: PT4M4S
duration ms: 244893
explicit: false
by artist: Partita
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488510

Tak Bym Chciała Kochać Już
type: MusicRecording
duration: PT3M50S
duration ms: 230466
explicit: false
by artist: Hanna Banaszak
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T08:40:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5abc38b43054f0caf3e25b96c23380558d27e593899e4486936224119e64a76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956375
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/461VbuiRmlLhHatx4D9jR8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/461VbuiRmlLhHatx4D9jR8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb5abc38b43054f0caf3e25b96c23380558d27e593899e4486936224119e64a76","isrc":"PLA391488610","name":"Tak Bym Chciała Kochać Już","registered_at":"2026-06-27T08:40:10Z","spotify_id":"461VbuiRmlLhHatx4D9jR8","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb5abc38b43054f0caf3e25b96c23380558d27e593899e4486936224119e64a76. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/461VbuiRmlLhHatx4D9jR8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/461VbuiRmlLhHatx4D9jR8.
  date published: 2026-07-02T16:51:38Z
  text: {"copyright_id":"0xb5abc38b43054f0caf3e25b96c23380558d27e593899e4486936224119e64a76","isrc":"PLA391488610","name":"Tak Bym Chciała Kochać Już","registered_at":"2026-06-27T08:40:10Z","spotify_id":"461VbuiRmlLhHatx4D9jR8","type":"track"}

Na Krzywym Kole
type: MusicRecording
duration: PT2M50S
duration ms: 170720
explicit: false
by artist: Rena Rolska
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588411

Tyle Słońca W Całym Mieście
type: MusicRecording
duration: PT3M0S
duration ms: 180826
explicit: false
by artist: Anna Jantar
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488511

Labirynty
type: MusicRecording
duration: PT4M34S
duration ms: 274840
explicit: false
by artist: Lech Janerka
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14

W Niedzielę Nad Wisłą
type: MusicRecording
duration: PT1M55S
duration ms: 115160
explicit: false
by artist: Barbara Rylska
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588412

Czterdziestolatek
type: MusicRecording
duration: PT2M1S
duration ms: 121493
explicit: false
by artist: Andrzej Rosiewicz
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T08:41:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c91dc54fdc84d9627d5cbd7c623ab899ad4cf8449b5e357bcb8a4b7dc8317fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956889
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3lPLQsO2bYQNYm4Sv5mCJj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3lPLQsO2bYQNYm4Sv5mCJj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7c91dc54fdc84d9627d5cbd7c623ab899ad4cf8449b5e357bcb8a4b7dc8317fa. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3lPLQsO2bYQNYm4Sv5mCJj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3lPLQsO2bYQNYm4Sv5mCJj.
  date published: 2026-07-06T06:56:49Z

W Domach Z Betonu
type: MusicRecording
duration: PT4M26S
duration ms: 266373
explicit: false
by artist: Martyna Jakubowicz
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T14:31:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x702bd1b48c9e2c2bae88c80b5a6938c50ddf86bb07e8e951631dfa669ec94836
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/397PPNsfMm1SVJ2e1fR9VJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/397PPNsfMm1SVJ2e1fR9VJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x702bd1b48c9e2c2bae88c80b5a6938c50ddf86bb07e8e951631dfa669ec94836","isrc":"PLA391488612","name":"W Domach Z Betonu","registered_at":"2026-06-07T14:31:45Z","spotify_id":"397PPNsfMm1SVJ2e1fR9VJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x702bd1b48c9e2c2bae88c80b5a6938c50ddf86bb07e8e951631dfa669ec94836. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/397PPNsfMm1SVJ2e1fR9VJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/397PPNsfMm1SVJ2e1fR9VJ.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x702bd1b48c9e2c2bae88c80b5a6938c50ddf86bb07e8e951631dfa669ec94836","isrc":"PLA391488612","name":"W Domach Z Betonu","registered_at":"2026-06-07T14:31:45Z","spotify_id":"397PPNsfMm1SVJ2e1fR9VJ","type":"track"}

Gdy Mi Ciebie Zabraknie
type: MusicRecording
duration: PT3M16S
duration ms: 196226
explicit: false
by artist: Ludmiła Jakubczak
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588413

Świat Ordonki
type: MusicRecording
duration: PT4M26S
duration ms: 266293
explicit: false
by artist: Ewa Bem
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488513

Jestem Z Miasta
type: MusicRecording
duration: PT2M55S
duration ms: 175266
explicit: false
by artist: Elektryczne Gitary
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T00:29:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca8d895e9a50bb91182461326e274fb770aca321d88571c5a4909a11f9a7ac31
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/26b7cM985R4RaiIBbFubTu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26b7cM985R4RaiIBbFubTu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca8d895e9a50bb91182461326e274fb770aca321d88571c5a4909a11f9a7ac31","isrc":"PLA391488613","name":"Jestem Z Miasta","registered_at":"2026-06-20T00:29:57Z","spotify_id":"26b7cM985R4RaiIBbFubTu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xca8d895e9a50bb91182461326e274fb770aca321d88571c5a4909a11f9a7ac31. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/26b7cM985R4RaiIBbFubTu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26b7cM985R4RaiIBbFubTu.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xca8d895e9a50bb91182461326e274fb770aca321d88571c5a4909a11f9a7ac31","isrc":"PLA391488613","name":"Jestem Z Miasta","registered_at":"2026-06-20T00:29:57Z","spotify_id":"26b7cM985R4RaiIBbFubTu","type":"track"}

Kalinowe Serce
type: MusicRecording
duration: PT2M54S
duration ms: 174360
explicit: false
by artist: Kalina Jedrusik
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588414

Dopóki Jesteś
type: MusicRecording
duration: PT3M40S
duration ms: 220106
explicit: false
by artist: Skaldowie
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488514

Moja I Twoja Nadzieje
type: MusicRecording
duration: PT4M30S
duration ms: 270040
explicit: false
by artist: Hey
by artist: Edyta Bartosiewicz
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T06:16:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x013ec4ed82e60e4b645a808938bc8c4d58f6376d3ebfde2d930c5c4f4890b109
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2SQjjvW9AdOoamNIOYAsb6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SQjjvW9AdOoamNIOYAsb6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x013ec4ed82e60e4b645a808938bc8c4d58f6376d3ebfde2d930c5c4f4890b109","isrc":"PLA391488614","name":"Moja I Twoja Nadzieje","registered_at":"2026-06-25T06:16:02Z","spotify_id":"2SQjjvW9AdOoamNIOYAsb6","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x013ec4ed82e60e4b645a808938bc8c4d58f6376d3ebfde2d930c5c4f4890b109. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SQjjvW9AdOoamNIOYAsb6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SQjjvW9AdOoamNIOYAsb6.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x013ec4ed82e60e4b645a808938bc8c4d58f6376d3ebfde2d930c5c4f4890b109","isrc":"PLA391488614","name":"Moja I Twoja Nadzieje","registered_at":"2026-06-25T06:16:02Z","spotify_id":"2SQjjvW9AdOoamNIOYAsb6","type":"track"}

Złoty Pierścionek
type: MusicRecording
duration: PT3M25S
duration ms: 205280
explicit: false
by artist: Rena Rolska
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588415

Rajski Deser
type: MusicRecording
duration: PT2M14S
duration ms: 134280
explicit: false
by artist: Maryla Rodowicz
by artist: Marek Grechuta
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T03:22:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda325f48d88f4f8490213f999194e713e3b2e42dda3db730d6a49a535be218bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4zUp8x6D1bCxqMfNYKaDuX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4zUp8x6D1bCxqMfNYKaDuX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xda325f48d88f4f8490213f999194e713e3b2e42dda3db730d6a49a535be218bf","isrc":"PLA391488515","name":"Rajski Deser","registered_at":"2026-06-18T03:22:10Z","spotify_id":"4zUp8x6D1bCxqMfNYKaDuX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xda325f48d88f4f8490213f999194e713e3b2e42dda3db730d6a49a535be218bf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4zUp8x6D1bCxqMfNYKaDuX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4zUp8x6D1bCxqMfNYKaDuX.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xda325f48d88f4f8490213f999194e713e3b2e42dda3db730d6a49a535be218bf","isrc":"PLA391488515","name":"Rajski Deser","registered_at":"2026-06-18T03:22:10Z","spotify_id":"4zUp8x6D1bCxqMfNYKaDuX","type":"track"}

Blues Mieszka W Polsce
type: MusicRecording
duration: PT3M52S
duration ms: 232346
explicit: false
by artist: Nocna Zmiana Bluesa
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14

Jak Przygoda To Tylko W Warszawie
type: MusicRecording
duration: PT2M48S
duration ms: 168986
explicit: false
by artist: Irena Santor
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391588416

Żyj Kolorowo
type: MusicRecording
duration: PT2M39S
duration ms: 159266
explicit: false
by artist: Ewa Bem
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14

Jestem Kobietą
type: MusicRecording
duration: PT4M10S
duration ms: 250986
explicit: false
by artist: Edyta Górniak
in album: 65 Lat Polskiej Piosenki 2
  type: MusicAlbum
  date published: 2014-01-14
isrc code: PLA391488616

Koncert Życzeń
type: MusicAlbum
date published: 2014-11-17
track: Odpływają kawiarenki
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255000
  explicit: false
  by artist: Irena Jarocka
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB170800422
track: Byłaś serca biciem
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272733
  explicit: false
  by artist: Andrzej Zaucha
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB170701459
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T15:45:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3612d84bbfd27fa71a713093d4e5cd92e9e64422197b54cb604739802e09466f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0TNXwSpSTFthOQ8Cf0POI9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TNXwSpSTFthOQ8Cf0POI9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3612d84bbfd27fa71a713093d4e5cd92e9e64422197b54cb604739802e09466f","isrc":"PLB170701459","name":"Byłaś serca biciem","registered_at":"2026-06-04T15:45:50Z","spotify_id":"0TNXwSpSTFthOQ8Cf0POI9","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3612d84bbfd27fa71a713093d4e5cd92e9e64422197b54cb604739802e09466f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0TNXwSpSTFthOQ8Cf0POI9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TNXwSpSTFthOQ8Cf0POI9.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x3612d84bbfd27fa71a713093d4e5cd92e9e64422197b54cb604739802e09466f","isrc":"PLB170701459","name":"Byłaś serca biciem","registered_at":"2026-06-04T15:45:50Z","spotify_id":"0TNXwSpSTFthOQ8Cf0POI9","type":"track"}
track: Biały latawiec
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176320
  explicit: false
  by artist: Jan Wojdak
  by artist: Wawele
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB170702841
track: Zawsze gdzieś czeka ktoś
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182400
  explicit: false
  by artist: Anna Jantar
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB171001309
track: Cicha woda
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146146
  explicit: false
  by artist: Zbigniew Kurtycz
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB171500020
track: Jak się masz, kochanie
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222786
  explicit: false
  by artist: Happy End
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB177700001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T18:18:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x71ed69a0f54eb329c20fde095e7d81c9c91a9121d6cdb76d9efd1857c4f34bd5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6Jz11MtE71WpKK8zgaSrAt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Jz11MtE71WpKK8zgaSrAt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x71ed69a0f54eb329c20fde095e7d81c9c91a9121d6cdb76d9efd1857c4f34bd5","isrc":"PLB177700001","name":"Jak się masz, kochanie","registered_at":"2026-06-11T18:18:07Z","spotify_id":"6Jz11MtE71WpKK8zgaSrAt","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x71ed69a0f54eb329c20fde095e7d81c9c91a9121d6cdb76d9efd1857c4f34bd5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Jz11MtE71WpKK8zgaSrAt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Jz11MtE71WpKK8zgaSrAt.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x71ed69a0f54eb329c20fde095e7d81c9c91a9121d6cdb76d9efd1857c4f34bd5","isrc":"PLB177700001","name":"Jak się masz, kochanie","registered_at":"2026-06-11T18:18:07Z","spotify_id":"6Jz11MtE71WpKK8zgaSrAt","type":"track"}
track: Baby, ach te baby
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224320
  explicit: false
  by artist: Orkiestra Z Chmielnej
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB171300223
track: Zawsze tam gdzie ty
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258640
  explicit: false
  by artist: Lady Pank
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB171100135
track: Pocieszanka
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199946
  explicit: false
  by artist: Andrzej Rybinski
  by artist: Andrzej Rybiński
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB171400304
track: Błękitny mały kwiat
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235333
  explicit: false
  by artist: Janusz Gniatkowski
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
track: Twoja Lorelei
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239053
  explicit: false
  by artist: Kapitan Nemo
  in album: Koncert Życzeń
    type: MusicAlbum
    date published: 2014-11-17
  isrc code: PLB171101456
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T19:17:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x551606f0ed05ebd34c38239f90c13403305a0093671d948dfd8bade3992e7b1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Karuzela
track: Prześliczna wiolonczelistka
track: Inny nie będę
track: Nie przynoś mi kwiatów dziewczyno
track: Gdzie się podziały tamte prywatki
track: Daj mi tę noc
track: Jej portret
track: Gdy mi Ciebie zabraknie
track: Rysunek na szkle
track: Moja miła, moja cicha
track: Nie szkoda róż
track: Mały książę
track: Jedziemy autostopem
track: Wio, koniku
track: Anna
track: Wszystko mi mówi, że mnie ktoś pokochał
track: A ja wolę moją mamę
track: Bajo bongo
track: Pamelo, żegnaj
track: Złoty krążek
track: M jak miłość
track: Port piratów
track: Do zakochania jeden krok
track: Piosenka kubańska
track: Bardzo smutna piosenka retro
track: Na pozór
track: Bossa nova do poduszki
track: Zostań z nami melodio
track: Jedyne co mam
track: Tango milonga
track: Znamy się tylko z widzenia
track: Szczęśliwej drogi już czas
track: Biały miś
track: Magiczne słowa
track: Izolda

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/5yZpdPt0lNVvN1rB6GXn1E.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5yZpdPt0lNVvN1rB6GXn1E

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x551606f0ed05ebd34c38239f90c13403305a0093671d948dfd8bade3992e7b1c","isrc":"PLB171101456","name":"Twoja Lorelei","registered_at":"2026-06-06T19:17:31Z","spotify_id":"5yZpdPt0lNVvN1rB6GXn1E","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x551606f0ed05ebd34c38239f90c13403305a0093671d948dfd8bade3992e7b1c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5yZpdPt0lNVvN1rB6GXn1E.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5yZpdPt0lNVvN1rB6GXn1E.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x551606f0ed05ebd34c38239f90c13403305a0093671d948dfd8bade3992e7b1c","isrc":"PLB171101456","name":"Twoja Lorelei","registered_at":"2026-06-06T19:17:31Z","spotify_id":"5yZpdPt0lNVvN1rB6GXn1E","type":"track"}

Karuzela
type: MusicRecording
duration: PT3M34S
duration ms: 214946
explicit: false
by artist: Maria Koterbska
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171500025

Prześliczna wiolonczelistka
type: MusicRecording
duration: PT3M21S
duration ms: 201493
explicit: false
by artist: Skaldowie
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB170800569
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T20:22:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1b434a14a4e63521e86efab1adc9757450ea6979e1bfc5280b2d9d4aaa44ecf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957122
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4XUiosHpp7iqlWyTmZtyNc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4XUiosHpp7iqlWyTmZtyNc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb1b434a14a4e63521e86efab1adc9757450ea6979e1bfc5280b2d9d4aaa44ecf","isrc":"PLB170800569","name":"Prześliczna wiolonczelistka","registered_at":"2026-06-06T20:22:43Z","spotify_id":"4XUiosHpp7iqlWyTmZtyNc","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb1b434a14a4e63521e86efab1adc9757450ea6979e1bfc5280b2d9d4aaa44ecf. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4XUiosHpp7iqlWyTmZtyNc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4XUiosHpp7iqlWyTmZtyNc.
  date published: 2026-07-08T03:39:04Z
  text: {"copyright_id":"0xb1b434a14a4e63521e86efab1adc9757450ea6979e1bfc5280b2d9d4aaa44ecf","isrc":"PLB170800569","name":"Prześliczna wiolonczelistka","registered_at":"2026-06-06T20:22:43Z","spotify_id":"4XUiosHpp7iqlWyTmZtyNc","type":"track"}

Inny nie będę
type: MusicRecording
duration: PT4M19S
duration ms: 259586
explicit: false
by artist: Ryszard Rynkowski
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Nie przynoś mi kwiatów dziewczyno
type: MusicRecording
duration: PT2M37S
duration ms: 157493
explicit: false
by artist: Trubadurzy
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Gdzie się podziały tamte prywatki
type: MusicRecording
duration: PT3M30S
duration ms: 210306
explicit: false
by artist: Wojciech Gassowski
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171500026
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T23:02:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdebf26e7787598adac2dd39d8d3595dfe357a29df9a6589cabc7a3798e91bb05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5hv4VxDQmiRDE47C0VJoVK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5hv4VxDQmiRDE47C0VJoVK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdebf26e7787598adac2dd39d8d3595dfe357a29df9a6589cabc7a3798e91bb05","isrc":"PLB171500026","name":"Gdzie się podziały tamte prywatki","registered_at":"2026-06-08T23:02:19Z","spotify_id":"5hv4VxDQmiRDE47C0VJoVK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xdebf26e7787598adac2dd39d8d3595dfe357a29df9a6589cabc7a3798e91bb05. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5hv4VxDQmiRDE47C0VJoVK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5hv4VxDQmiRDE47C0VJoVK.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xdebf26e7787598adac2dd39d8d3595dfe357a29df9a6589cabc7a3798e91bb05","isrc":"PLB171500026","name":"Gdzie się podziały tamte prywatki","registered_at":"2026-06-08T23:02:19Z","spotify_id":"5hv4VxDQmiRDE47C0VJoVK","type":"track"}

Daj mi tę noc
type: MusicRecording
duration: PT3M1S
duration ms: 181493
explicit: false
by artist: Starling
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB170700367

Jej portret
type: MusicRecording
duration: PT3M26S
duration ms: 206506
explicit: false
by artist: Bogusław Mec
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171001258

Gdy mi Ciebie zabraknie
type: MusicRecording
duration: PT3M8S
duration ms: 188306
explicit: false
by artist: Ludmiła Jakubczak
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171500021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T21:32:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6fafa30336b0caf592782bf04ace6a026427840699e6aab3db9e62807194d3db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6b3dvveJGHrRNcGgwZsNoS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6b3dvveJGHrRNcGgwZsNoS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6fafa30336b0caf592782bf04ace6a026427840699e6aab3db9e62807194d3db","isrc":"PLB171500021","name":"Gdy mi Ciebie zabraknie","registered_at":"2026-06-24T21:32:02Z","spotify_id":"6b3dvveJGHrRNcGgwZsNoS","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6fafa30336b0caf592782bf04ace6a026427840699e6aab3db9e62807194d3db. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6b3dvveJGHrRNcGgwZsNoS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6b3dvveJGHrRNcGgwZsNoS.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6fafa30336b0caf592782bf04ace6a026427840699e6aab3db9e62807194d3db","isrc":"PLB171500021","name":"Gdy mi Ciebie zabraknie","registered_at":"2026-06-24T21:32:02Z","spotify_id":"6b3dvveJGHrRNcGgwZsNoS","type":"track"}

Rysunek na szkle
type: MusicRecording
duration: PT5M11S
duration ms: 311160
explicit: false
by artist: Krzysztof Krawczyk
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB170702128
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:39:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x942db8a37aca8314c4f904a3353f3ca9f75d6256b3258672f6f9f50e329432ab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957122
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7wv3djzxaQ5GlNjtEb1Kn2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wv3djzxaQ5GlNjtEb1Kn2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x942db8a37aca8314c4f904a3353f3ca9f75d6256b3258672f6f9f50e329432ab","isrc":"PLB170702128","name":"Rysunek na szkle","registered_at":"2026-06-08T14:39:00Z","spotify_id":"7wv3djzxaQ5GlNjtEb1Kn2","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x942db8a37aca8314c4f904a3353f3ca9f75d6256b3258672f6f9f50e329432ab. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7wv3djzxaQ5GlNjtEb1Kn2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wv3djzxaQ5GlNjtEb1Kn2.
  date published: 2026-07-08T03:39:04Z
  text: {"copyright_id":"0x942db8a37aca8314c4f904a3353f3ca9f75d6256b3258672f6f9f50e329432ab","isrc":"PLB170702128","name":"Rysunek na szkle","registered_at":"2026-06-08T14:39:00Z","spotify_id":"7wv3djzxaQ5GlNjtEb1Kn2","type":"track"}

Moja miła, moja cicha
type: MusicRecording
duration: PT3M13S
duration ms: 193040
explicit: false
by artist: Jerzy Połomski
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Nie szkoda róż
type: MusicRecording
duration: PT3M7S
duration ms: 187626
explicit: false
by artist: Jan Wojdak
by artist: Wawele
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Mały książę
type: MusicRecording
duration: PT3M52S
duration ms: 232866
explicit: false
by artist: Katarzyna Sobczyk
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171500027

Jedziemy autostopem
type: MusicRecording
duration: PT3M49S
duration ms: 229893
explicit: false
by artist: Karin Stanek
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171100778

Wio, koniku
type: MusicRecording
duration: PT3M41S
duration ms: 221253
explicit: false
by artist: Julian Sztatler
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171500022

Anna
type: MusicRecording
duration: PT3M34S
duration ms: 214506
explicit: false
by artist: Stan Borys
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171302040

Wszystko mi mówi, że mnie ktoś pokochał
type: MusicRecording
duration: PT2M25S
duration ms: 145400
explicit: false
by artist: Skaldowie
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

A ja wolę moją mamę
type: MusicRecording
duration: PT2M49S
duration ms: 169693
explicit: false
by artist: Majka Jeżowska
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB170701252

Bajo bongo
type: MusicRecording
duration: PT2M21S
duration ms: 141693
explicit: false
by artist: Natasza Zylska
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Pamelo, żegnaj
type: MusicRecording
duration: PT3M41S
duration ms: 221933
explicit: false
by artist: Tercet Egzotyczny
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB179800016

Złoty krążek
type: MusicRecording
duration: PT5M49S
duration ms: 349773
explicit: false
by artist: Top One
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

M jak miłość
type: MusicRecording
duration: PT2M56S
duration ms: 176066
explicit: false
by artist: Wojciech Gassowski
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171401455
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T17:32:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x460a2381bda45d59b8b92b3da2a1509d169025201c6fc185679a409cae93c1c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0SKQdQ6Oi9qjwmcxHbF4oO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0SKQdQ6Oi9qjwmcxHbF4oO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x460a2381bda45d59b8b92b3da2a1509d169025201c6fc185679a409cae93c1c2","isrc":"PLB171401455","name":"M jak miłość","registered_at":"2026-06-11T17:32:40Z","spotify_id":"0SKQdQ6Oi9qjwmcxHbF4oO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x460a2381bda45d59b8b92b3da2a1509d169025201c6fc185679a409cae93c1c2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0SKQdQ6Oi9qjwmcxHbF4oO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0SKQdQ6Oi9qjwmcxHbF4oO.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x460a2381bda45d59b8b92b3da2a1509d169025201c6fc185679a409cae93c1c2","isrc":"PLB171401455","name":"M jak miłość","registered_at":"2026-06-11T17:32:40Z","spotify_id":"0SKQdQ6Oi9qjwmcxHbF4oO","type":"track"}

Port piratów
type: MusicRecording
duration: PT2M55S
duration ms: 175640
explicit: false
by artist: Alibabki
by artist: Czerwone Gitary
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB170800421

Do zakochania jeden krok
type: MusicRecording
duration: PT3M46S
duration ms: 226920
explicit: false
by artist: Andrzej Dabrowski
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Piosenka kubańska
type: MusicRecording
duration: PT2M19S
duration ms: 139146
explicit: false
by artist: Janusz Gniatkowski
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Bardzo smutna piosenka retro
type: MusicRecording
duration: PT2M48S
duration ms: 168880
explicit: false
by artist: Andrzej Sikorowski
by artist: Pod Budą
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171101435

Na pozór
type: MusicRecording
duration: PT3M56S
duration ms: 236960
explicit: false
by artist: Bogusław Mec
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171001254

Bossa nova do poduszki
type: MusicRecording
duration: PT4M49S
duration ms: 289920
explicit: false
by artist: Maryla Rodowicz
by artist: Alibabki
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171100920

Zostań z nami melodio
type: MusicRecording
duration: PT4M1S
duration ms: 241493
explicit: false
by artist: Jan Wojdak
by artist: Wawele
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Jedyne co mam
type: MusicRecording
duration: PT2M40S
duration ms: 160640
explicit: false
by artist: Czerwony Tulipan
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171200972

Tango milonga
type: MusicRecording
duration: PT1M58S
duration ms: 118866
explicit: false
by artist: Mieczysław Fogg
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171500024
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T05:50:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9c04e160ef8e816f63f6ce2da145fae35ae66a12565643739913c1e095cdd34e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7Dr1EOVDS9nNtKJm4akR3e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Dr1EOVDS9nNtKJm4akR3e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9c04e160ef8e816f63f6ce2da145fae35ae66a12565643739913c1e095cdd34e","isrc":"PLB171500024","name":"Tango milonga","registered_at":"2026-06-08T05:50:36Z","spotify_id":"7Dr1EOVDS9nNtKJm4akR3e","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9c04e160ef8e816f63f6ce2da145fae35ae66a12565643739913c1e095cdd34e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Dr1EOVDS9nNtKJm4akR3e.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Dr1EOVDS9nNtKJm4akR3e.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x9c04e160ef8e816f63f6ce2da145fae35ae66a12565643739913c1e095cdd34e","isrc":"PLB171500024","name":"Tango milonga","registered_at":"2026-06-08T05:50:36Z","spotify_id":"7Dr1EOVDS9nNtKJm4akR3e","type":"track"}

Znamy się tylko z widzenia
type: MusicRecording
duration: PT2M25S
duration ms: 145346
explicit: false
by artist: Trubadurzy
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB170600741

Szczęśliwej drogi już czas
type: MusicRecording
duration: PT5M52S
duration ms: 352800
explicit: false
by artist: Ryszard Rynkowski
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Biały miś
type: MusicRecording
duration: PT5M3S
duration ms: 303440
explicit: false
by artist: Top One
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171200934

Magiczne słowa
type: MusicRecording
duration: PT3M38S
duration ms: 218880
explicit: false
by artist: Ziyo
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17
isrc code: PLB171001050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T17:27:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x627c5516d96098b77086faffce459a35971d01796c851cdd3b5536244bf925d3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0r8WATHgWGprXtLEf4MaHW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0r8WATHgWGprXtLEf4MaHW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x627c5516d96098b77086faffce459a35971d01796c851cdd3b5536244bf925d3","isrc":"PLB171001050","name":"Magiczne słowa","registered_at":"2026-06-19T17:27:05Z","spotify_id":"0r8WATHgWGprXtLEf4MaHW","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x627c5516d96098b77086faffce459a35971d01796c851cdd3b5536244bf925d3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0r8WATHgWGprXtLEf4MaHW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0r8WATHgWGprXtLEf4MaHW.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x627c5516d96098b77086faffce459a35971d01796c851cdd3b5536244bf925d3","isrc":"PLB171001050","name":"Magiczne słowa","registered_at":"2026-06-19T17:27:05Z","spotify_id":"0r8WATHgWGprXtLEf4MaHW","type":"track"}

Izolda
type: MusicRecording
duration: PT3M9S
duration ms: 189560
explicit: false
by artist: Zbigniew Wodecki
in album: Koncert Życzeń
  type: MusicAlbum
  date published: 2014-11-17

Zakazane piosenki
type: MusicAlbum
date published: 2009-06-23
track: Gdy w noc wrześniową
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138333
  explicit: false
  by artist: Orkiestra uliczna z Chmielnej
  in album: Zakazane piosenki
    type: MusicAlbum
    date published: 2009-06-23
  isrc code: PLA247013914
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T18:53:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x09a407ce4f8d6f02ff03a1f0febcc84e92a9d2fc757ad0d99597c885c35e3d18
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/35eUM0iJ2mihh1hhRp8DhD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/35eUM0iJ2mihh1hhRp8DhD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x09a407ce4f8d6f02ff03a1f0febcc84e92a9d2fc757ad0d99597c885c35e3d18","isrc":"PLA247013914","name":"Gdy w noc wrześniową","registered_at":"2026-06-21T18:53:49Z","spotify_id":"35eUM0iJ2mihh1hhRp8DhD","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x09a407ce4f8d6f02ff03a1f0febcc84e92a9d2fc757ad0d99597c885c35e3d18. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/35eUM0iJ2mihh1hhRp8DhD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/35eUM0iJ2mihh1hhRp8DhD.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x09a407ce4f8d6f02ff03a1f0febcc84e92a9d2fc757ad0d99597c885c35e3d18","isrc":"PLA247013914","name":"Gdy w noc wrześniową","registered_at":"2026-06-21T18:53:49Z","spotify_id":"35eUM0iJ2mihh1hhRp8DhD","type":"track"}
track: Dnia pierwszego września
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115346
  explicit: false
  by artist: Stanisław Grzesiuk
  in album: Zakazane piosenki
    type: MusicAlbum
    date published: 2009-06-23
  isrc code: PLA246210533
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T17:52:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde3200adee904ba52f81e366bca8f3b3968aea6ee6e927873c6e3fa3000d1330
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0yzPwPD4WHQmNG4eCsmXgY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yzPwPD4WHQmNG4eCsmXgY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xde3200adee904ba52f81e366bca8f3b3968aea6ee6e927873c6e3fa3000d1330","isrc":"PLA246210533","name":"Dnia pierwszego września","registered_at":"2026-06-19T17:52:16Z","spotify_id":"0yzPwPD4WHQmNG4eCsmXgY","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xde3200adee904ba52f81e366bca8f3b3968aea6ee6e927873c6e3fa3000d1330. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0yzPwPD4WHQmNG4eCsmXgY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yzPwPD4WHQmNG4eCsmXgY.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xde3200adee904ba52f81e366bca8f3b3968aea6ee6e927873c6e3fa3000d1330","isrc":"PLA246210533","name":"Dnia pierwszego września","registered_at":"2026-06-19T17:52:16Z","spotify_id":"0yzPwPD4WHQmNG4eCsmXgY","type":"track"}
track: Wróg napadł na Polskę
  type: MusicRecording
  duration: PT1M35S
  duration ms: 95786
  explicit: false
  by artist: Orkiestra uliczna z Chmielnej
  in album: Zakazane piosenki
    type: MusicAlbum
    date published: 2009-06-23
  isrc code: PLA247013905
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T21:54:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e70c5de60ad49ac401ce57bc1fc22da57780dcdc29cf2186beffaf36d7825db
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7uJN2ltIboYXjZUJ43zteD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7uJN2ltIboYXjZUJ43zteD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9e70c5de60ad49ac401ce57bc1fc22da57780dcdc29cf2186beffaf36d7825db","isrc":"PLA247013905","name":"Wróg napadł na Polskę","registered_at":"2026-06-18T21:54:05Z","spotify_id":"7uJN2ltIboYXjZUJ43zteD","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9e70c5de60ad49ac401ce57bc1fc22da57780dcdc29cf2186beffaf36d7825db. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7uJN2ltIboYXjZUJ43zteD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7uJN2ltIboYXjZUJ43zteD.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x9e70c5de60ad49ac401ce57bc1fc22da57780dcdc29cf2186beffaf36d7825db","isrc":"PLA247013905","name":"Wróg napadł na Polskę","registered_at":"2026-06-18T21:54:05Z","spotify_id":"7uJN2ltIboYXjZUJ43zteD","type":"track"}
track: Siekiera, motyka
  type: MusicRecording
  duration: PT1M11S
  duration ms: 71546
  explicit: false
  by artist: Stanisław Grzesiuk
  in album: Zakazane piosenki
    type: MusicAlbum
    date published: 2009-06-23
  isrc code: PLA246210534
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T16:39:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x56f6118b12a7a089f401a000bc221b9506c16831b410a48456fbbc396d5c694d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/20VDnUgiCIAQZGpjQSiP5t.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20VDnUgiCIAQZGpjQSiP5t
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x56f6118b12a7a089f401a000bc221b9506c16831b410a48456fbbc396d5c694d","isrc":"PLA246210534","name":"Siekiera, motyka","registered_at":"2026-06-23T16:39:15Z","spotify_id":"20VDnUgiCIAQZGpjQSiP5t","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x56f6118b12a7a089f401a000bc221b9506c16831b410a48456fbbc396d5c694d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/20VDnUgiCIAQZGpjQSiP5t.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20VDnUgiCIAQZGpjQSiP5t.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x56f6118b12a7a089f401a000bc221b9506c16831b410a48456fbbc396d5c694d","isrc":"PLA246210534","name":"Siekiera, motyka","registered_at":"2026-06-23T16:39:15Z","spotify_id":"20VDnUgiCIAQZGpjQSiP5t","type":"track"}
track: Kto handluje, ten żyje
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195386
  explicit: false
  by artist: Orkiestra uliczna z Chmielnej
  in album: Zakazane piosenki
    type: MusicAlbum
    date published: 2009-06-23
  isrc code: PLA247013907
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Stąd do niepodległości
track: Serce w plecaku
track: Rozszumiały się wierzby płaczące
track: Biały krzyż
track: Hej chłopcy, bagnet na broń
track: Warszawskie dzieci
track: Zoska
track: Sanitariuszka Malgorzatka
track: Mala dziewczynka Z AK
track: Pałacyk Michla
track: Marsz Mokotowa
track: Deszcz jesienny
track: Zapłonęły wszystkie maki
track: Czerwone maki na Monte Cassino
track: My pierwsza brygada
track: Warszawianka
track: Piosenka o mojej Warszawie

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-19T17:54:07+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x564462cfdcda2133606509faed9c87c3533be87db35fdb100005e40a08cd90f5

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/6dsrvT7JaDbpYltJ4SsuSS.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dsrvT7JaDbpYltJ4SsuSS

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x564462cfdcda2133606509faed9c87c3533be87db35fdb100005e40a08cd90f5","isrc":"PLA247013907","name":"Kto handluje, ten żyje","registered_at":"2026-06-19T17:54:07Z","spotify_id":"6dsrvT7JaDbpYltJ4SsuSS","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x564462cfdcda2133606509faed9c87c3533be87db35fdb100005e40a08cd90f5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6dsrvT7JaDbpYltJ4SsuSS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dsrvT7JaDbpYltJ4SsuSS.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0x564462cfdcda2133606509faed9c87c3533be87db35fdb100005e40a08cd90f5","isrc":"PLA247013907","name":"Kto handluje, ten żyje","registered_at":"2026-06-19T17:54:07Z","spotify_id":"6dsrvT7JaDbpYltJ4SsuSS","type":"track"}

Stąd do niepodległości
type: MusicRecording
duration: PT3M55S
duration ms: 235573
explicit: false
by artist: Jerema Stępowski
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA247014468

Serce w plecaku
type: MusicRecording
duration: PT2M34S
duration ms: 154266
explicit: false
by artist: Chór Czejanda
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA245806548
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T10:44:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x33d2221a86c2a84d06ce9888e4001ae51f9f0d9d2dcf17527b0a2337c52b6d46
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4FBkqhqAqh6tEtoPC68PVQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FBkqhqAqh6tEtoPC68PVQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x33d2221a86c2a84d06ce9888e4001ae51f9f0d9d2dcf17527b0a2337c52b6d46","isrc":"PLA245806548","name":"Serce w plecaku","registered_at":"2026-06-21T10:44:59Z","spotify_id":"4FBkqhqAqh6tEtoPC68PVQ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x33d2221a86c2a84d06ce9888e4001ae51f9f0d9d2dcf17527b0a2337c52b6d46. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FBkqhqAqh6tEtoPC68PVQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FBkqhqAqh6tEtoPC68PVQ.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x33d2221a86c2a84d06ce9888e4001ae51f9f0d9d2dcf17527b0a2337c52b6d46","isrc":"PLA245806548","name":"Serce w plecaku","registered_at":"2026-06-21T10:44:59Z","spotify_id":"4FBkqhqAqh6tEtoPC68PVQ","type":"track"}

Rozszumiały się wierzby płaczące
type: MusicRecording
duration: PT3M15S
duration ms: 195466
explicit: false
by artist: Chor Polskiego Radia
by artist: Orkiestra Polskiego Radia
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA246308979
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T19:28:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6cddf13690e95878a337150d7729781221f65ccc5abf6becdd50232fd8bfdb9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3EWymiaAQadDoCXVEqu7OY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3EWymiaAQadDoCXVEqu7OY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe6cddf13690e95878a337150d7729781221f65ccc5abf6becdd50232fd8bfdb9","isrc":"PLA246308979","name":"Rozszumiały się wierzby płaczące","registered_at":"2026-06-27T19:28:07Z","spotify_id":"3EWymiaAQadDoCXVEqu7OY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe6cddf13690e95878a337150d7729781221f65ccc5abf6becdd50232fd8bfdb9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3EWymiaAQadDoCXVEqu7OY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3EWymiaAQadDoCXVEqu7OY.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xe6cddf13690e95878a337150d7729781221f65ccc5abf6becdd50232fd8bfdb9","isrc":"PLA246308979","name":"Rozszumiały się wierzby płaczące","registered_at":"2026-06-27T19:28:07Z","spotify_id":"3EWymiaAQadDoCXVEqu7OY","type":"track"}

Biały krzyż
type: MusicRecording
duration: PT3M15S
duration ms: 195333
explicit: false
by artist: Czerwone Gitary
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA246812365
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T10:27:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4ca2960f51aa86ef68ce5d5f0cc2404d9a1e533fd0bc91d8295e37f8a9ffe40
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4Hm5kjAS0fFqGbpFWedjEi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Hm5kjAS0fFqGbpFWedjEi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc4ca2960f51aa86ef68ce5d5f0cc2404d9a1e533fd0bc91d8295e37f8a9ffe40","isrc":"PLA246812365","name":"Biały krzyż","registered_at":"2026-06-05T10:27:38Z","spotify_id":"4Hm5kjAS0fFqGbpFWedjEi","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc4ca2960f51aa86ef68ce5d5f0cc2404d9a1e533fd0bc91d8295e37f8a9ffe40. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Hm5kjAS0fFqGbpFWedjEi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Hm5kjAS0fFqGbpFWedjEi.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xc4ca2960f51aa86ef68ce5d5f0cc2404d9a1e533fd0bc91d8295e37f8a9ffe40","isrc":"PLA246812365","name":"Biały krzyż","registered_at":"2026-06-05T10:27:38Z","spotify_id":"4Hm5kjAS0fFqGbpFWedjEi","type":"track"}

Hej chłopcy, bagnet na broń
type: MusicRecording
duration: PT2M6S
duration ms: 126813
explicit: false
by artist: Chor Polskiego Radia
by artist: Orkiestra Polskiego Radia
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA246711905
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T10:46:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd845ffe3a267e4d6ffbc14271e1459cd3a5ef0dba8101df0bb7d971145cc22cb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5sCD7tBY60LysyZ04AMhkx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sCD7tBY60LysyZ04AMhkx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd845ffe3a267e4d6ffbc14271e1459cd3a5ef0dba8101df0bb7d971145cc22cb","isrc":"PLA246711905","name":"Hej chłopcy, bagnet na broń","registered_at":"2026-06-21T10:46:55Z","spotify_id":"5sCD7tBY60LysyZ04AMhkx","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd845ffe3a267e4d6ffbc14271e1459cd3a5ef0dba8101df0bb7d971145cc22cb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5sCD7tBY60LysyZ04AMhkx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sCD7tBY60LysyZ04AMhkx.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xd845ffe3a267e4d6ffbc14271e1459cd3a5ef0dba8101df0bb7d971145cc22cb","isrc":"PLA246711905","name":"Hej chłopcy, bagnet na broń","registered_at":"2026-06-21T10:46:55Z","spotify_id":"5sCD7tBY60LysyZ04AMhkx","type":"track"}

Warszawskie dzieci
type: MusicRecording
duration: PT2M30S
duration ms: 150826
explicit: false
by artist: Chor RZAWP
by artist: Orkiestra RZAWP
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA248930944
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T23:21:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87d9e1653a4ce4a4a6b5aeb96ed4d50c18363d92a2f7dbcb180bc01edde3d1ee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0GqFOy7iObavrh0pW97eNZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GqFOy7iObavrh0pW97eNZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x87d9e1653a4ce4a4a6b5aeb96ed4d50c18363d92a2f7dbcb180bc01edde3d1ee","isrc":"PLA248930944","name":"Warszawskie dzieci","registered_at":"2026-06-08T23:21:09Z","spotify_id":"0GqFOy7iObavrh0pW97eNZ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x87d9e1653a4ce4a4a6b5aeb96ed4d50c18363d92a2f7dbcb180bc01edde3d1ee. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0GqFOy7iObavrh0pW97eNZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GqFOy7iObavrh0pW97eNZ.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x87d9e1653a4ce4a4a6b5aeb96ed4d50c18363d92a2f7dbcb180bc01edde3d1ee","isrc":"PLA248930944","name":"Warszawskie dzieci","registered_at":"2026-06-08T23:21:09Z","spotify_id":"0GqFOy7iObavrh0pW97eNZ","type":"track"}

Zoska
type: MusicRecording
duration: PT2M41S
duration ms: 161800
explicit: false
by artist: Tadeusz Wozniakowski
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA246711908
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T14:58:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39d532f0d3d5a26f4ee7050e1266f05fe3777f74b56aeeb825526ac9ef66d6ab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4dj3UoiPLFgXs0cLsO6hMS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4dj3UoiPLFgXs0cLsO6hMS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x39d532f0d3d5a26f4ee7050e1266f05fe3777f74b56aeeb825526ac9ef66d6ab. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4dj3UoiPLFgXs0cLsO6hMS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4dj3UoiPLFgXs0cLsO6hMS.
  date published: 2026-07-02T11:38:34Z

Sanitariuszka Malgorzatka
type: MusicRecording
duration: PT2M42S
duration ms: 162106
explicit: false
by artist: Jozef Wojtan
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA248930947

Mala dziewczynka Z AK
type: MusicRecording
duration: PT4M49S
duration ms: 289986
explicit: false
by artist: Kazimierz Pustelak
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA246812610

Pałacyk Michla
type: MusicRecording
duration: PT3M5S
duration ms: 185146
explicit: false
by artist: Chor Polskiego Radia
by artist: Orkiestra Polskiego Radia
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA246711907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T14:58:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71d96a37ac331122b879dfb80bf1661aa09bce525587c9fa599548d1b439705c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1uAiCBdh1YxaPb8yTDd62Q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1uAiCBdh1YxaPb8yTDd62Q
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x71d96a37ac331122b879dfb80bf1661aa09bce525587c9fa599548d1b439705c","isrc":"PLA246711907","name":"Pałacyk Michla","registered_at":"2026-06-25T14:58:50Z","spotify_id":"1uAiCBdh1YxaPb8yTDd62Q","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x71d96a37ac331122b879dfb80bf1661aa09bce525587c9fa599548d1b439705c. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1uAiCBdh1YxaPb8yTDd62Q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1uAiCBdh1YxaPb8yTDd62Q.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x71d96a37ac331122b879dfb80bf1661aa09bce525587c9fa599548d1b439705c","isrc":"PLA246711907","name":"Pałacyk Michla","registered_at":"2026-06-25T14:58:50Z","spotify_id":"1uAiCBdh1YxaPb8yTDd62Q","type":"track"}

Marsz Mokotowa
type: MusicRecording
duration: PT2M44S
duration ms: 164426
explicit: false
by artist: Jozef Wojtan
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA246308980
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:49:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5cca76ac3df2ce825a12912b58b90167bf8912575925f8a566fd89f4b2d280f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6USQUED2YqYZdQzVbs9wPP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6USQUED2YqYZdQzVbs9wPP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb5cca76ac3df2ce825a12912b58b90167bf8912575925f8a566fd89f4b2d280f","isrc":"PLA246308980","name":"Marsz Mokotowa","registered_at":"2026-06-24T15:49:46Z","spotify_id":"6USQUED2YqYZdQzVbs9wPP","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb5cca76ac3df2ce825a12912b58b90167bf8912575925f8a566fd89f4b2d280f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6USQUED2YqYZdQzVbs9wPP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6USQUED2YqYZdQzVbs9wPP.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xb5cca76ac3df2ce825a12912b58b90167bf8912575925f8a566fd89f4b2d280f","isrc":"PLA246308980","name":"Marsz Mokotowa","registered_at":"2026-06-24T15:49:46Z","spotify_id":"6USQUED2YqYZdQzVbs9wPP","type":"track"}

Deszcz jesienny
type: MusicRecording
duration: PT3M21S
duration ms: 201066
explicit: false
by artist: Czerwone Gitary
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA246812366
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T14:17:42+00:00

Zapłonęły wszystkie maki
type: MusicRecording
duration: PT2M55S
duration ms: 175560
explicit: false
by artist: Trubadurzy
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA247114956

Czerwone maki na Monte Cassino
type: MusicRecording
duration: PT2M50S
duration ms: 170626
explicit: false
by artist: Chór Czejanda
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA245806549
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T21:46:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeda6ab321ca31be78874a9ba3d3b7c552735f8383c74e96bb11aa0f3f16102c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4sA8rzMZg5kk19EuBEOeyh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4sA8rzMZg5kk19EuBEOeyh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeda6ab321ca31be78874a9ba3d3b7c552735f8383c74e96bb11aa0f3f16102c3","isrc":"PLA245806549","name":"Czerwone maki na Monte Cassino","registered_at":"2026-06-10T21:46:30Z","spotify_id":"4sA8rzMZg5kk19EuBEOeyh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xeda6ab321ca31be78874a9ba3d3b7c552735f8383c74e96bb11aa0f3f16102c3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4sA8rzMZg5kk19EuBEOeyh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4sA8rzMZg5kk19EuBEOeyh.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xeda6ab321ca31be78874a9ba3d3b7c552735f8383c74e96bb11aa0f3f16102c3","isrc":"PLA245806549","name":"Czerwone maki na Monte Cassino","registered_at":"2026-06-10T21:46:30Z","spotify_id":"4sA8rzMZg5kk19EuBEOeyh","type":"track"}

My pierwsza brygada
type: MusicRecording
duration: PT2M58S
duration ms: 178746
explicit: false
by artist: Chór Dana
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLB960807505
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T17:51:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0ce9c7dd08920c1e6bd7e33d05d73443cc033b1bc3ed0091a0891001ff950d19
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/67J3ooJ1u97oTaI9pDLahE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67J3ooJ1u97oTaI9pDLahE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0ce9c7dd08920c1e6bd7e33d05d73443cc033b1bc3ed0091a0891001ff950d19","isrc":"PLB960807505","name":"My pierwsza brygada","registered_at":"2026-06-19T17:51:34Z","spotify_id":"67J3ooJ1u97oTaI9pDLahE","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0ce9c7dd08920c1e6bd7e33d05d73443cc033b1bc3ed0091a0891001ff950d19. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/67J3ooJ1u97oTaI9pDLahE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67J3ooJ1u97oTaI9pDLahE.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x0ce9c7dd08920c1e6bd7e33d05d73443cc033b1bc3ed0091a0891001ff950d19","isrc":"PLB960807505","name":"My pierwsza brygada","registered_at":"2026-06-19T17:51:34Z","spotify_id":"67J3ooJ1u97oTaI9pDLahE","type":"track"}

Warszawianka
type: MusicRecording
duration: PT3M1S
duration ms: 181226
explicit: false
by artist: Eugeniusz Mossakowski
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA241400290
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T22:34:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75dd9ed8f952962b4361edf9535d7b585d6c2f8f6d1dad5aeaf24cbeed1d370c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4JEFn13HsHQZNGmqS1FYwH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4JEFn13HsHQZNGmqS1FYwH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x75dd9ed8f952962b4361edf9535d7b585d6c2f8f6d1dad5aeaf24cbeed1d370c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4JEFn13HsHQZNGmqS1FYwH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4JEFn13HsHQZNGmqS1FYwH.
  date published: 2026-07-02T03:55:08Z

Piosenka o mojej Warszawie
type: MusicRecording
duration: PT2M19S
duration ms: 139933
explicit: false
by artist: Mieczysław Fogg
in album: Zakazane piosenki
  type: MusicAlbum
  date published: 2009-06-23
isrc code: PLA247421395
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T23:25:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6hLrEmC6P0A1WMLPPXIpeV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6hLrEmC6P0A1WMLPPXIpeV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619","isrc":"PLA247421395","name":"Piosenka o mojej Warszawie","registered_at":"2026-06-08T23:25:46Z","spotify_id":"6hLrEmC6P0A1WMLPPXIpeV","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6hLrEmC6P0A1WMLPPXIpeV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6hLrEmC6P0A1WMLPPXIpeV.
  date published: 2026-07-06T07:53:57Z
  text: {"copyright_id":"0xca59077a5b7fdfa0c204875a89ae7fc9b79a1d65f65aba0f21947c3b568e5619","isrc":"PLA247421395","name":"Piosenka o mojej Warszawie","registered_at":"2026-06-08T23:25:46Z","spotify_id":"6hLrEmC6P0A1WMLPPXIpeV","type":"track"}

Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
type: MusicAlbum
date published: 2004-11-27
track: Co nam zostało z tych lat
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196493
  explicit: false
  by artist: Chór Dana
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400237
track: Zapomnisz mnie
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149466
  explicit: false
  by artist: Tadeusz Faliszewski
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400238
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:56:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbcc3ca7fc95a07478d99a4f5da84b583c8b904b16277b4d1616f932aa61dae25
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2u3uL3l0zjPrY5rIm0WLd9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2u3uL3l0zjPrY5rIm0WLd9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbcc3ca7fc95a07478d99a4f5da84b583c8b904b16277b4d1616f932aa61dae25","isrc":"PLA551400238","name":"Zapomnisz mnie","registered_at":"2026-06-25T23:56:40Z","spotify_id":"2u3uL3l0zjPrY5rIm0WLd9","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbcc3ca7fc95a07478d99a4f5da84b583c8b904b16277b4d1616f932aa61dae25. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2u3uL3l0zjPrY5rIm0WLd9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2u3uL3l0zjPrY5rIm0WLd9.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xbcc3ca7fc95a07478d99a4f5da84b583c8b904b16277b4d1616f932aa61dae25","isrc":"PLA551400238","name":"Zapomnisz mnie","registered_at":"2026-06-25T23:56:40Z","spotify_id":"2u3uL3l0zjPrY5rIm0WLd9","type":"track"}
track: Mały gigolo
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188226
  explicit: false
  by artist: Zula Pogorzelska
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400239
track: Ach, jak przyjemnie
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190213
  explicit: false
  by artist: Adam Aston
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400240
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T18:47:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfbc4fefad1fdd9d55af67eb601011dae5dd30bc76e23fce4deac40cab66e93ac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/336Q2wOLKSeKfPePjtPfBA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/336Q2wOLKSeKfPePjtPfBA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfbc4fefad1fdd9d55af67eb601011dae5dd30bc76e23fce4deac40cab66e93ac","isrc":"PLA551400240","name":"Ach, jak przyjemnie","registered_at":"2026-06-10T18:47:52Z","spotify_id":"336Q2wOLKSeKfPePjtPfBA","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfbc4fefad1fdd9d55af67eb601011dae5dd30bc76e23fce4deac40cab66e93ac. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/336Q2wOLKSeKfPePjtPfBA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/336Q2wOLKSeKfPePjtPfBA.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xfbc4fefad1fdd9d55af67eb601011dae5dd30bc76e23fce4deac40cab66e93ac","isrc":"PLA551400240","name":"Ach, jak przyjemnie","registered_at":"2026-06-10T18:47:52Z","spotify_id":"336Q2wOLKSeKfPePjtPfBA","type":"track"}
track: Czy pamiętasz tę noc w Zakopanem
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202093
  explicit: false
  by artist: Marian Demar-Mikuszewski
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400241
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:56:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x87265aaacef4a859d72ecae6e8064d97a668d413fcf7041aeeb8cd1e6a51d00d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/77gJJ8ivkitzaSTLGXy1Ws.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/77gJJ8ivkitzaSTLGXy1Ws
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x87265aaacef4a859d72ecae6e8064d97a668d413fcf7041aeeb8cd1e6a51d00d","isrc":"PLA551400241","name":"Czy pamiętasz tę noc w Zakopanem","registered_at":"2026-06-25T23:56:42Z","spotify_id":"77gJJ8ivkitzaSTLGXy1Ws","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x87265aaacef4a859d72ecae6e8064d97a668d413fcf7041aeeb8cd1e6a51d00d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/77gJJ8ivkitzaSTLGXy1Ws.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/77gJJ8ivkitzaSTLGXy1Ws.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x87265aaacef4a859d72ecae6e8064d97a668d413fcf7041aeeb8cd1e6a51d00d","isrc":"PLA551400241","name":"Czy pamiętasz tę noc w Zakopanem","registered_at":"2026-06-25T23:56:42Z","spotify_id":"77gJJ8ivkitzaSTLGXy1Ws","type":"track"}
track: Na pierwszy znak
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  duration: PT3M27S
  duration ms: 207213
  explicit: false
  by artist: Hanka Ordonówna
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400242
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T07:29:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x930f6f1675ef4c6a456b3a45b5d820b6c54109ac83fba601bf57deb43fe48dbd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0ycqTHseRUuqk552ujmC0d.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ycqTHseRUuqk552ujmC0d
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: To ostatnia niedziela
track: Złociste chryzantemy
track: Rebeka
track: Tyle miłości
track: Ada, to nie wypada
track: W niedzielę
track: Dobranoc, oczka zmruż
track: Takie coś
track: Baby
track: Francois
track: Śpiewaj
track: Świat się zaczął dziś
track: Chciałabym, a boję się
track: Tylko we Lwowie
track: Carmencita
track: Piosenka o zagubionym sercu
track: Trzy świnki
track: Taka noc i walc i ty

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x930f6f1675ef4c6a456b3a45b5d820b6c54109ac83fba601bf57deb43fe48dbd","isrc":"PLA551400242","name":"Na pierwszy znak","registered_at":"2026-06-27T07:29:04Z","spotify_id":"0ycqTHseRUuqk552ujmC0d","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x930f6f1675ef4c6a456b3a45b5d820b6c54109ac83fba601bf57deb43fe48dbd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ycqTHseRUuqk552ujmC0d.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ycqTHseRUuqk552ujmC0d.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x930f6f1675ef4c6a456b3a45b5d820b6c54109ac83fba601bf57deb43fe48dbd","isrc":"PLA551400242","name":"Na pierwszy znak","registered_at":"2026-06-27T07:29:04Z","spotify_id":"0ycqTHseRUuqk552ujmC0d","type":"track"}

To ostatnia niedziela
type: MusicRecording
duration: PT3M21S
duration ms: 201360
explicit: false
by artist: Mieczysław Fogg
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400243

Złociste chryzantemy
type: MusicRecording
duration: PT3M6S
duration ms: 186973
explicit: false
by artist: Janusz Popławski
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400244
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T03:03:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa20c4e8a5d843c48df74e8ddf0cc96422108640746e7d1b98528958170fe0126
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1vnUy5v5coIBQ9xETM5wRE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1vnUy5v5coIBQ9xETM5wRE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa20c4e8a5d843c48df74e8ddf0cc96422108640746e7d1b98528958170fe0126","isrc":"PLA551400244","name":"Złociste chryzantemy","registered_at":"2026-06-18T03:03:04Z","spotify_id":"1vnUy5v5coIBQ9xETM5wRE","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa20c4e8a5d843c48df74e8ddf0cc96422108640746e7d1b98528958170fe0126. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1vnUy5v5coIBQ9xETM5wRE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1vnUy5v5coIBQ9xETM5wRE.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xa20c4e8a5d843c48df74e8ddf0cc96422108640746e7d1b98528958170fe0126","isrc":"PLA551400244","name":"Złociste chryzantemy","registered_at":"2026-06-18T03:03:04Z","spotify_id":"1vnUy5v5coIBQ9xETM5wRE","type":"track"}

Rebeka
type: MusicRecording
duration: PT3M6S
duration ms: 186360
explicit: false
by artist: Zofia Terne
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400245

Tyle miłości
type: MusicRecording
duration: PT3M4S
duration ms: 184146
explicit: false
by artist: Eugeniusz Bodo
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400246

Ada, to nie wypada
type: MusicRecording
duration: PT2M53S
duration ms: 173280
explicit: false
by artist: Albert Harris
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400247

W niedzielę
type: MusicRecording
duration: PT3M8S
duration ms: 188200
explicit: false
by artist: Jadzia Andrzejewska
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400248

Dobranoc, oczka zmruż
type: MusicRecording
duration: PT1M54S
duration ms: 114813
explicit: false
by artist: Szczepko i Tonko
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400249

Takie coś
type: MusicRecording
duration: PT2M56S
duration ms: 176946
explicit: false
by artist: Tadeusz Olsza
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400250

Baby
type: MusicRecording
duration: PT2M48S
duration ms: 168173
explicit: false
by artist: Eugeniusz Bodo
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400251

Francois
type: MusicRecording
duration: PT2M58S
duration ms: 178826
explicit: false
by artist: Tola Mankiewiczówna
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400252

Śpiewaj
type: MusicRecording
duration: PT3M2S
duration ms: 182053
explicit: false
by artist: Aleksander Zabczynski
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400253

Świat się zaczął dziś
type: MusicRecording
duration: PT2M58S
duration ms: 178093
explicit: false
by artist: Janusz Popławski
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400254

Chciałabym, a boję się
type: MusicRecording
duration: PT2M58S
duration ms: 178960
explicit: false
by artist: Maria Modzelewska
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400255

Tylko we Lwowie
type: MusicRecording
duration: PT3M5S
duration ms: 185613
explicit: false
by artist: Albert Harris
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400256

Carmencita
type: MusicRecording
duration: PT3M2S
duration ms: 182306
explicit: false
by artist: Aleksander Zabczynski
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400257

Piosenka o zagubionym sercu
type: MusicRecording
duration: PT3M6S
duration ms: 186320
explicit: false
by artist: Hanka Ordonówna
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400258

Trzy świnki
type: MusicRecording
duration: PT2M44S
duration ms: 164680
explicit: false
by artist: Chór Dana
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400259

Taka noc i walc i ty
type: MusicRecording
duration: PT4M2S
duration ms: 242720
explicit: false
by artist: Tola Mankiewiczówna
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol.2)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400260

Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
type: MusicAlbum
date published: 2004-11-27
track: Jak drogie są wspomnienia
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181066
  explicit: false
  by artist: Janusz Popławski
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400213
track: Nie ma szczęścia bez miłości
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162680
  explicit: false
  by artist: Mieczysław Fogg
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400214
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T04:43:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x545446dcf4394e4c06ec3632e94be77f624f2918e6f0053d41c2dafbe8062b73
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956351
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/78lH0i1Vo6VlsWbrypcBEi.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/78lH0i1Vo6VlsWbrypcBEi
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x545446dcf4394e4c06ec3632e94be77f624f2918e6f0053d41c2dafbe8062b73","isrc":"PLA551400214","name":"Nie ma szczęścia bez miłości","registered_at":"2026-06-26T04:43:47Z","spotify_id":"78lH0i1Vo6VlsWbrypcBEi","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x545446dcf4394e4c06ec3632e94be77f624f2918e6f0053d41c2dafbe8062b73. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/78lH0i1Vo6VlsWbrypcBEi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/78lH0i1Vo6VlsWbrypcBEi.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x545446dcf4394e4c06ec3632e94be77f624f2918e6f0053d41c2dafbe8062b73","isrc":"PLA551400214","name":"Nie ma szczęścia bez miłości","registered_at":"2026-06-26T04:43:47Z","spotify_id":"78lH0i1Vo6VlsWbrypcBEi","type":"track"}
track: To mi wystarczy
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190146
  explicit: false
  by artist: Zula Pogorzelska
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400215
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T16:21:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaf5e1ac887498c81169c31b3d3f01d50df62fa97f95583819b4ab11375ae63c2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/248TRnWv8WhPNXkOQ8wnYu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/248TRnWv8WhPNXkOQ8wnYu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xaf5e1ac887498c81169c31b3d3f01d50df62fa97f95583819b4ab11375ae63c2","isrc":"PLA551400215","name":"To mi wystarczy","registered_at":"2026-06-24T16:21:51Z","spotify_id":"248TRnWv8WhPNXkOQ8wnYu","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xaf5e1ac887498c81169c31b3d3f01d50df62fa97f95583819b4ab11375ae63c2. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/248TRnWv8WhPNXkOQ8wnYu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/248TRnWv8WhPNXkOQ8wnYu.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xaf5e1ac887498c81169c31b3d3f01d50df62fa97f95583819b4ab11375ae63c2","isrc":"PLA551400215","name":"To mi wystarczy","registered_at":"2026-06-24T16:21:51Z","spotify_id":"248TRnWv8WhPNXkOQ8wnYu","type":"track"}
track: Francois
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168226
  explicit: false
  by artist: Adam Wysocki
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400216
track: Może tak, może nie
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196186
  explicit: false
  by artist: Zofia Terne
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400217
track: Tango milonga
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185040
  explicit: false
  by artist: Chór Dana
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400218
track: Rebeka
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210520
  explicit: false
  by artist: Tadeusz Faliszewski
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400219
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T04:31:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x87c03c415bc3965335f7a5053c790d2d5a4e7aed616d7c0720e5e6bc280d779c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5aZp7jvMVmhdGOYRttZ04y.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aZp7jvMVmhdGOYRttZ04y
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x87c03c415bc3965335f7a5053c790d2d5a4e7aed616d7c0720e5e6bc280d779c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5aZp7jvMVmhdGOYRttZ04y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aZp7jvMVmhdGOYRttZ04y.
    date published: 2026-07-02T05:09:12Z
track: Miłość ci wszystko wybaczy
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185466
  explicit: false
  by artist: Hanka Ordonówna
  in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
    type: MusicAlbum
    date published: 2004-11-27
  isrc code: PLA551400220
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T18:14:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8e6f018d3d1895d9d1456b8160c86c5ac1ca166cfbdc37df196392308ee8ff91
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Każdemu wolno kochać
track: Już taki jestem zimny drań
track: To mężczyzna jest stuprocentowy
track: Gdy szczęście podaje ci dłoń
track: Skrwawione serce
track: Najlepiej w glowie mieć szum
track: Cóż bez miłości wart jest świat
track: Hanko
track: Panna Mania gra na mandolinie
track: Odrobinę szczęścia w miłości
track: Znakiem tego
track: Pokoik na Hożej
track: Niezapominajki
track: Bo ja się boję być we dwoje
track: Tangolita
track: O Key!

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/71IINsLQC3kWk9JVqO3I6X.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71IINsLQC3kWk9JVqO3I6X

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x8e6f018d3d1895d9d1456b8160c86c5ac1ca166cfbdc37df196392308ee8ff91","isrc":"PLA551400220","name":"Miłość ci wszystko wybaczy","registered_at":"2026-06-09T18:14:33Z","spotify_id":"71IINsLQC3kWk9JVqO3I6X","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e6f018d3d1895d9d1456b8160c86c5ac1ca166cfbdc37df196392308ee8ff91. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71IINsLQC3kWk9JVqO3I6X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71IINsLQC3kWk9JVqO3I6X.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x8e6f018d3d1895d9d1456b8160c86c5ac1ca166cfbdc37df196392308ee8ff91","isrc":"PLA551400220","name":"Miłość ci wszystko wybaczy","registered_at":"2026-06-09T18:14:33Z","spotify_id":"71IINsLQC3kWk9JVqO3I6X","type":"track"}

Każdemu wolno kochać
type: MusicRecording
duration: PT2M59S
duration ms: 179773
explicit: false
by artist: Adam Aston
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400221
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:40:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39acef19a61af2f8156514b496ad543fee4b2102471c63d909aa42df47bebae0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4fPc3Tdli3RgIeGtIX0AsR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4fPc3Tdli3RgIeGtIX0AsR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39acef19a61af2f8156514b496ad543fee4b2102471c63d909aa42df47bebae0","isrc":"PLA551400221","name":"Każdemu wolno kochać","registered_at":"2026-06-22T04:40:55Z","spotify_id":"4fPc3Tdli3RgIeGtIX0AsR","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x39acef19a61af2f8156514b496ad543fee4b2102471c63d909aa42df47bebae0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fPc3Tdli3RgIeGtIX0AsR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4fPc3Tdli3RgIeGtIX0AsR.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x39acef19a61af2f8156514b496ad543fee4b2102471c63d909aa42df47bebae0","isrc":"PLA551400221","name":"Każdemu wolno kochać","registered_at":"2026-06-22T04:40:55Z","spotify_id":"4fPc3Tdli3RgIeGtIX0AsR","type":"track"}

Już taki jestem zimny drań
type: MusicRecording
duration: PT2M58S
duration ms: 178720
explicit: false
by artist: Eugeniusz Bodo
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400222
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:56:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5f6fa4a6e1689189dfd7ed5d53dbca0c39eb276e5ca1401e895f7e4a00e44af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4uAu7G2pLKKZk3AP3Bo5J9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uAu7G2pLKKZk3AP3Bo5J9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe5f6fa4a6e1689189dfd7ed5d53dbca0c39eb276e5ca1401e895f7e4a00e44af","isrc":"PLA551400222","name":"Już taki jestem zimny drań","registered_at":"2026-06-25T23:56:42Z","spotify_id":"4uAu7G2pLKKZk3AP3Bo5J9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe5f6fa4a6e1689189dfd7ed5d53dbca0c39eb276e5ca1401e895f7e4a00e44af. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4uAu7G2pLKKZk3AP3Bo5J9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uAu7G2pLKKZk3AP3Bo5J9.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe5f6fa4a6e1689189dfd7ed5d53dbca0c39eb276e5ca1401e895f7e4a00e44af","isrc":"PLA551400222","name":"Już taki jestem zimny drań","registered_at":"2026-06-25T23:56:42Z","spotify_id":"4uAu7G2pLKKZk3AP3Bo5J9","type":"track"}

To mężczyzna jest stuprocentowy
type: MusicRecording
duration: PT3M7S
duration ms: 187533
explicit: false
by artist: Tola Mankiewiczówna
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400223
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:23:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb858a7e02ec93dca572bb9654167fb73e036007a2c5c1c1bdacf325441036df
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2wfnlkj6tOnhZrX5jjlAOf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wfnlkj6tOnhZrX5jjlAOf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfb858a7e02ec93dca572bb9654167fb73e036007a2c5c1c1bdacf325441036df","isrc":"PLA551400223","name":"To mężczyzna jest stuprocentowy","registered_at":"2026-06-27T07:23:44Z","spotify_id":"2wfnlkj6tOnhZrX5jjlAOf","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfb858a7e02ec93dca572bb9654167fb73e036007a2c5c1c1bdacf325441036df. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wfnlkj6tOnhZrX5jjlAOf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wfnlkj6tOnhZrX5jjlAOf.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xfb858a7e02ec93dca572bb9654167fb73e036007a2c5c1c1bdacf325441036df","isrc":"PLA551400223","name":"To mężczyzna jest stuprocentowy","registered_at":"2026-06-27T07:23:44Z","spotify_id":"2wfnlkj6tOnhZrX5jjlAOf","type":"track"}

Gdy szczęście podaje ci dłoń
type: MusicRecording
duration: PT3M9S
duration ms: 189133
explicit: false
by artist: Aleksander Zabczynski
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400224

Skrwawione serce
type: MusicRecording
duration: PT2M44S
duration ms: 164866
explicit: false
by artist: Stanisława Nowicka
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400225

Najlepiej w glowie mieć szum
type: MusicRecording
duration: PT2M49S
duration ms: 169520
explicit: false
by artist: Chór Juranda
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400226
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:27:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65561576e64eec7865b9b4d2027d75bf811a40e8c22f42a7b9a1209344f07a31
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3kWewlD8WV3FlmumYw6MHW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3kWewlD8WV3FlmumYw6MHW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x65561576e64eec7865b9b4d2027d75bf811a40e8c22f42a7b9a1209344f07a31","isrc":"PLA551400226","name":"Najlepiej w glowie mieć szum","registered_at":"2026-06-27T07:27:44Z","spotify_id":"3kWewlD8WV3FlmumYw6MHW","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x65561576e64eec7865b9b4d2027d75bf811a40e8c22f42a7b9a1209344f07a31. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3kWewlD8WV3FlmumYw6MHW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3kWewlD8WV3FlmumYw6MHW.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x65561576e64eec7865b9b4d2027d75bf811a40e8c22f42a7b9a1209344f07a31","isrc":"PLA551400226","name":"Najlepiej w glowie mieć szum","registered_at":"2026-06-27T07:27:44Z","spotify_id":"3kWewlD8WV3FlmumYw6MHW","type":"track"}

Cóż bez miłości wart jest świat
type: MusicRecording
duration: PT3M25S
duration ms: 205373
explicit: false
by artist: Adolf Dymsza
in album: Zlota Kolekcja - Lata 20-Te, Lata 30-Te (Vol. 1)
  type: MusicAlbum
  date published: 2004-11-27
isrc code: PLA551400227
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T16:23:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdf0daaa1af405bd82c4a6691ec6acbf7193572d42136dcdf681f8beac1fed663
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/61lukyJTk0VMBxiRONOhXI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/61lukyJTk0VMBxiRONOhXI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdf0daaa1af405bd82c4a6691ec6acbf7193572d42136dcdf681f8beac1fed663","isrc":"PLA551400227","name":"Cóż bez miłości wart jest świat","registered_at":"2026-06-24T16:23:06Z","spotify_id":"61lukyJTk0VMBxiRONOhXI","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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Hanko
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Panna Mania gra na mandolinie
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Odrobinę szczęścia w miłości
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Znakiem tego
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Pokoik na Hożej
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Niezapominajki
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Bo ja się boję być we dwoje
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Tangolita
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O Key!
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Juz taki jestem zimny dran
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Jesienne róże
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Umowilem Sie Z Nia Na Dziewiata ( From : ''Piętro wyżej'')
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Tylko we Lwowie ( From : ''Włóczęgi'')
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Muchacha [From : ''Caliente - miasto miłości'' (In Caliente) ]
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Mam dwa bilety do kina
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Jak gdyby nigdy nic (Gdy wrocisz)
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Zazdrosc
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Zamglone oczy
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Najchetniej o milosci
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Tej nocy czekam na ciebie
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Znow tej nocy
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Wspomnienia
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Szkoda kazdej chwili
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Badz zdrow, badz zdrowa
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Moja pierwsza i ostatnia
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Ostatni calus
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Smutne Tango
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Ach Ludwiko (bajka muzyczna ''Rozkoszna dziewczyna'')
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by artist: Ralph Benatzky
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Upojny walc
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