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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T08:11:48Z
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album: Muzyka romantyczna w Katedrze Oliwskiej. Romantic music in the Oliwa Cathedral
  type: MusicAlbum
  date published: 2014-04-10
  track: Sechts Stucke Op. 150/1887 Fur Violin Und Orgel: Thema Mit Veranderungen
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    duration: PT6M45S
    duration ms: 405694
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    by artist: Josef Rheinberger
    by artist: Maria Perucka
    by artist: Roman Perucki
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      date published: 2014-04-10
  track: Sechts Stucke Op. 150/1887 Fur Violin Und Orgel: Abendlied
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    by artist: Maria Perucka
    by artist: Roman Perucki
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      date published: 2014-04-10
  track: Sechts Stucke Op. 150/1887 Fur Violin Und Orgel:Gigue
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      date published: 2014-04-10
  track: Sechts Stucke Op. 150/1887 Fur Violin Und Orgel:Pastorale
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      date published: 2014-04-10
  track: Sechts Stucke Op. 150/1887 Fur Violin Und Orgel:Elegie
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    by artist: Maria Perucka
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  track: Sechts Stucke Op. 150/1887 Fur Violin Und Orgel:Ouverture
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    by artist: Maria Perucka
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      type: MusicAlbum
      date published: 2014-04-10
  track: Adagio Religioso Op. 6
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    by artist: Roman Perucki
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      date published: 2014-04-10
  track: Adoration
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    by artist: Roman Perucki
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      date published: 2014-04-10
    isrc code: QMFME1468178
  track: Meditation
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    by artist: Maria Perucka
    by artist: Roman Perucki
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      date published: 2014-04-10
  track: Deuxieme Suite Op.27: Prelude Pastoral
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    by artist: Roman Perucki
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  track: Deuxieme Suite op.27: Allegretto Con Moto
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    by artist: Maria Perucka
    by artist: Roman Perucki
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  track: Deuxieme Suite Op.27: Andantino
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    by artist: Roman Perucki
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  track: Deuxieme Suite op.27: Final-Marche
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album: Romantyczne Utwory Na Trąbkę Skrzypce i Organy
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  track: Caccini: Ave Maria
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    by artist: Janusz Szadkowiak
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    by artist: Roman Perucki
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    subject of: OpenTimestamps Proof of Existence
  track: Corbett: Adagio - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
  track: Corbett: Largo - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
  track: Corbett: Pastorale - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
  track: Corbett: Allegro - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
  track: Purcell: Entree - Suite Pour Trompette Et Orgue
  track: Purcell: Marche - Suite Pour Trompette Et Orgue
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  track: Purcell: Allegro - Suite Pour Trompette Et Orgue
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  track: Bach: Preludium I Fuga E-Moll BWV 548
  track: Bach: Cantate De La Pentacone BWV 68
  track: Czajkowski: Andante Cantabile
  track: Morricone: Obój Gabryela z filmu "Misja"
  track: Arutiunian: Elegy For Flugelhorn & Organ
  track: Paciorkiewicz: Andante Na Skrzypce I Organy
  track: Pniewski: Musica Sacra Na Trąbkę,Skrzypce I Organy
  track: Rondeau: Allegro Moderato - Two Voluntaries On Baroque Trends
  track: Rondeau: Allegro - Two Voluntaries On Baroque Trends
album: Selected Works for violin, soprano and organ
album: The famous organs from Frombork Cathedral
track: Caccini: Ave Maria
track: Corbett: Adagio - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
track: Czajkowski: Andante Cantabile
track: Morricone: Obój Gabryela z filmu "Misja"
track: Corbett: Largo - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
track: Corbett: Pastorale - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
track: Corbett: Allegro - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
track: Purcell: Entree - Suite Pour Trompette Et Orgue
track: Purcell: Marche - Suite Pour Trompette Et Orgue
track: Purcell: Menuet Et Sicilienne - Suite Pour Trompette Et Orgue
track: Purcell: Prelude Et Ronde - Suite Pour Trompette Et Orgue
track: Purcell: Allegro - Suite Pour Trompette Et Orgue
track: Bach: Chorał"Wachet Auf, Ruft Uns Die Stimme"
track: Bach: Preludium I Fuga E-Moll BWV 548
track: Bach: Cantate De La Pentacone BWV 68
track: Arutiunian: Elegy For Flugelhorn & Organ
track: Paciorkiewicz: Andante Na Skrzypce I Organy
track: Pniewski: Musica Sacra Na Trąbkę,Skrzypce I Organy
track: Rondeau: Allegro Moderato - Two Voluntaries On Baroque Trends
track: Rondeau: Allegro - Two Voluntaries On Baroque Trends

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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc531d9f6674c9711ed395a3dc6f354a5b5f06bf4145a5d23da03fa46092240d1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLI363198490.
date published: 2026-07-02T03:30:09Z

Corbett: Adagio - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
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by artist: Janusz Szadkowiak
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  date published: 2013-08-09

Corbett: Largo - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
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Corbett: Pastorale - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
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by artist: Janusz Szadkowiak
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by artist: Roman Perucki
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  date published: 2013-08-09

Corbett: Allegro - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
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by artist: Janusz Szadkowiak
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  date published: 2013-08-09

Purcell: Entree - Suite Pour Trompette Et Orgue
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by artist: Maria Perucka
by artist: Roman Perucki
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  date published: 2013-08-09

Purcell: Marche - Suite Pour Trompette Et Orgue
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Purcell: Menuet Et Sicilienne - Suite Pour Trompette Et Orgue
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Purcell: Prelude Et Ronde - Suite Pour Trompette Et Orgue
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Purcell: Allegro - Suite Pour Trompette Et Orgue
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Bach: Chorał"Wachet Auf, Ruft Uns Die Stimme"
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z

Bach: Preludium I Fuga E-Moll BWV 548
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by artist: Maria Perucka
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Bach: Cantate De La Pentacone BWV 68
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Czajkowski: Andante Cantabile
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Morricone: Obój Gabryela z filmu "Misja"
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Arutiunian: Elegy For Flugelhorn & Organ
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by artist: Roman Perucki
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Paciorkiewicz: Andante Na Skrzypce I Organy
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  date published: 2013-08-09

Pniewski: Musica Sacra Na Trąbkę,Skrzypce I Organy
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  type: MusicAlbum
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Rondeau: Allegro Moderato - Two Voluntaries On Baroque Trends
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Rondeau: Allegro - Two Voluntaries On Baroque Trends
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  date published: 2013-08-09

Selected Works for violin, soprano and organ
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  by artist: Maria Perucka
  by artist: Danuta Dulska
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track: Auch mit gedampften, schwachen Stimmen
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The famous organs from Frombork Cathedral
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track: Elegy for flugelhorn & organ
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Elegy for flugelhorn & organ
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Andante na skrzypce i organy
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Musica Sacra na trąbkę, skrzypce i organy
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Two Voluntaries on Boroque Trends
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Two Voluntaries on Boroque Trends
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Caccini: Ave Maria
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Corbett: Adagio - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
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Czajkowski: Andante Cantabile
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Morricone: Obój Gabryela z filmu "Misja"
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Corbett: Largo - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
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Corbett: Pastorale - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
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Corbett: Allegro - Sonata In C Opus I, nr 12 For Tumpet, Violin & Organ
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Purcell: Entree - Suite Pour Trompette Et Orgue
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Purcell: Marche - Suite Pour Trompette Et Orgue
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Purcell: Menuet Et Sicilienne - Suite Pour Trompette Et Orgue
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Purcell: Prelude Et Ronde - Suite Pour Trompette Et Orgue
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Purcell: Allegro - Suite Pour Trompette Et Orgue
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Bach: Chorał"Wachet Auf, Ruft Uns Die Stimme"
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Bach: Preludium I Fuga E-Moll BWV 548
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Bach: Cantate De La Pentacone BWV 68
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  date published: 2013-08-09

Arutiunian: Elegy For Flugelhorn & Organ
type: MusicRecording
duration: PT4M25S
duration ms: 265173
explicit: false
by artist: Alexander Arutiunian
by artist: Janusz Szadkowiak
by artist: Maria Perucka
by artist: Roman Perucki
in album: Romantyczne Utwory Na Trąbkę Skrzypce i Organy
  type: MusicAlbum
  date published: 2013-08-09

Paciorkiewicz: Andante Na Skrzypce I Organy
type: MusicRecording
duration: PT5M15S
duration ms: 315640
explicit: false
by artist: Tadeusz Paciorkiewicz
by artist: Janusz Szadkowiak
by artist: Maria Perucka
by artist: Roman Perucki
in album: Romantyczne Utwory Na Trąbkę Skrzypce i Organy
  type: MusicAlbum
  date published: 2013-08-09

Pniewski: Musica Sacra Na Trąbkę,Skrzypce I Organy
type: MusicRecording
duration: PT7M24S
duration ms: 444720
explicit: false
by artist: Zbigniew Pniewski
by artist: Janusz Szadkowiak
by artist: Maria Perucka
by artist: Roman Perucki
in album: Romantyczne Utwory Na Trąbkę Skrzypce i Organy
  type: MusicAlbum
  date published: 2013-08-09

Rondeau: Allegro Moderato - Two Voluntaries On Baroque Trends
type: MusicRecording
duration: PT2M33S
duration ms: 153186
explicit: false
by artist: Michael Rondeau
by artist: Janusz Szadkowiak
by artist: Maria Perucka
by artist: Roman Perucki
in album: Romantyczne Utwory Na Trąbkę Skrzypce i Organy
  type: MusicAlbum
  date published: 2013-08-09

Rondeau: Allegro - Two Voluntaries On Baroque Trends
type: MusicRecording
duration: PT1M40S
duration ms: 100746
explicit: false
by artist: Michael Rondeau
by artist: Janusz Szadkowiak
by artist: Maria Perucka
by artist: Roman Perucki
in album: Romantyczne Utwory Na Trąbkę Skrzypce i Organy
  type: MusicAlbum
  date published: 2013-08-09