Teresa Stratas
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genre: opera
description: Teresa Stratas (born Anastasia Stratakis on May 26, 1938) is a retired Canadian operatic soprano and actress of Greek descent. She is especially well known for her award-winning recording of Alban Be
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album: Verdi: Il trovatore [Recorded 1960]
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album: Lehár: Die Lustige Witwe - Highlights
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    by artist: Herbert von Karajan
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  track: Die lustige Witwe, Act I: No. 3, Bitte meine Herr'n – Hab' in Paris mich noch nicht ganz so akklimasiert
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album: Mascagni: Cavalleria rusticana - Leoncavallo: Pagliacci (Bayerische Staatsoper Live)
album: 101 Domingo
album: Leoncavallo: Pagliacci / Mascagni: Cavalleria Rusticana
album: Verdi: La traviata (Bayerische Staatsoper Live)
album: Wagner: Parsifal, WWV 111
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album: Meine Lippen sie küssen so heiss - Operetta's Greatest Hits
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album: Verdi: La traviata
album: Rusalka
album: Boulez A-Z: Berg - Birtwistle
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album: Verdi: Il Trovatore (Metropolitan Opera)
album: Massenet: Manon (1959)
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album: Mozart - Cosí fan tutte
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album: Grandes Clásicos de la Opera, Volumen 5
album: MOZART: COSÌ FAN TUTTE
album: Musikstadt Wien 2

Mozart: Le Nozze di Figaro: Non piu andrai, farfallone amoroso - Act One
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by artist: Sesto Bruscantini
by artist: Teresa Berganza
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by artist: Sena Jurinac
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by artist: Alfredo Mariotti
by artist: Angelo Degli Innocenti
by artist: Licia Scarpelli
by artist: Rosetta Arena
by artist: Rai Orchestra & Chorus
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  date published: 2026-07-02T05:09:12Z
audio: Mozart: Le Nozze di Figaro: Non piu andrai, farfallone amoroso - Act One
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Youkali: Tango Habanera
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  date published: 2026-07-02T05:09:12Z
audio: Youkali: Tango Habanera
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Mascagni: Cavalleria rusticana - Leoncavallo: Pagliacci (Bayerische Staatsoper Live)
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101 Domingo
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track: Das Land des Lächelns / Act 2: "Dein ist mein ganzes Herz" (Orch. Klickmann) - Live
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Wagner: Parsifal, WWV 111
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R. Strauss: Elektra, Op. 58, TrV 223 (Highlights)
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track: Die lustige Witwe, Act II: No. 10b, Valse moderato
track: Die lustige Witwe, Act II: Dialogue. Ah, die Baronin und Herr Rosillon
track: Die lustige Witwe, Act II: No. 12, Finale. e. Es waren zwei Königskinder

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audio: Lyric Suite, 3 Pieces for String Orchestra: I. Andante amoroso
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Lyric Suite, 3 Pieces for String Orchestra: III. Adagio appassionato
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Violin Concerto "To the Memory of an Angel": I. Andante - Allegro
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Four Pieces For Clarinet And Piano, Op. 5: 3. Sehr rasch
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Violin Concerto "To the Memory of an Angel": II. Allegro - Adagio
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Four Pieces For Clarinet And Piano, Op. 5: 4. Langsam
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Chamber Concerto for Piano and Violin with 13 Wind Instruments: 2. Adagio
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Sieben frühe Lieder: III. Die Nachtigall
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Sieben frühe Lieder: III. Die Nachtigall
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Sieben frühe Lieder: IV. Traumgekrönt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Sieben frühe Lieder: IV. Traumgekrönt
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Berg: Lulu
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track: Lulu, Prologue: Hereinspaziert in die Menagerie
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T13:52:39Z
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track: Lulu, Act III (Compl. Cerha): Meine Herrn und Damen! – Der Staatsanwalt bezahlt demjenigen
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Lulu, Act II: Die Matinée wird, wie ich mir denke
track: Lulu, Act I: Den hab' ich mir auch ganz anders vorgestellt
track: Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre
track: Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen
track: Lulu, Act I: Seit ich für die Bühne arbeite Noch etwas, bitte
track: Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart

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OTSVerificationAPI
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Lulu, Act II: Gott sei dank, dass wir endlich – Hast oben abgeschlossen?
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Lulu, Act II: Die Matinée wird, wie ich mir denke
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subject of: OpenTimestamps Proof of Existence
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Lulu, Act I: Den hab' ich mir auch ganz anders vorgestellt
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subject of: OpenTimestamps Proof of Existence
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Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre
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Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen
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subject of: OpenTimestamps Proof of Existence
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Lulu, Act I: Seit ich für die Bühne arbeite Noch etwas, bitte
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Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart
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Lehár: Die lustige Witwe
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track: Die lustige Witwe, Act I: No. 1, Introduction – Verehrteste Damen und Herren
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track: Die lustige Witwe, Act III: Entracte. Vilja-Lied
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track: Die lustige Witwe, Act III: No. 14, Chanson "Grisetten-Lied". Ja, wir sind es die Grisetten
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track: Die lustige Witwe, Act I: Accompanied Dialogue. Ah, gnädige Frau, ich bin glücklich
track: Die lustige Witwe, Act III: No. 14a, Reminiszenz: Tra la la la la...
track: Die lustige Witwe, Act III: Dialogue. Gospodina!
track: Die lustige Witwe, Act I: No. 6, Finale: a. Damenwahl!
track: Die lustige Witwe, Act III: No. 16, Schlussgesang. Ja, das Studium der Weiber ist schwer
track: Die lustige Witwe, Act II: No. 7b, Nun lasst uns aber wie daheim – Vilja-Lied. Es lebt ein Vilja
track: Light Cavalry: Overture
track: Die lustige Witwe, Act II: Dialogue. Gospodina, dieses vaterländische Fest
track: Die schöne Galathee: Overture
track: Die lustige Witwe, Act II: No. 8, Duet. Heia, Mädel, aufgeschaut – Dummer, dummer Reitersmann
track: Die lustige Witwe, Act II: No. 10b, Valse moderato
track: Die lustige Witwe, Act II: No. 11a, Duet. Mein Freund, Vernunft!
track: Die lustige Witwe, Act II: Dialogue. Ah, die Baronin und Herr Rosillon
track: Die lustige Witwe, Act II: No. 12, Finale: a. Ha! Ha! Wir fragen
track: Die lustige Witwe, Act II: No. 12, Finale: d. Die Ehe ist für mich privat
track: Die lustige Witwe, Act II: No. 12, Finale. e. Es waren zwei Königskinder

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Die lustige Witwe, Act I: No. 3, Bitte meine Herr'n – Hab' in Paris mich noch nicht ganz so akklimasiert
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Die lustige Witwe, Act I: Accompanied Dialogue. Ah, gnädige Frau, ich bin glücklich
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Die lustige Witwe, Act III: No. 14a, Reminiszenz: Tra la la la la...
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Die lustige Witwe, Act III: Dialogue. Gospodina!
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Die lustige Witwe, Act I: No. 6, Finale: a. Damenwahl!
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Die lustige Witwe, Act III: No. 16, Schlussgesang. Ja, das Studium der Weiber ist schwer
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die lustige Witwe, Act III: No. 16, Schlussgesang. Ja, das Studium der Weiber ist schwer
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Die lustige Witwe, Act II: No. 7b, Nun lasst uns aber wie daheim – Vilja-Lied. Es lebt ein Vilja
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Die lustige Witwe, Act II: No. 7b, Nun lasst uns aber wie daheim – Vilja-Lied. Es lebt ein Vilja
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Light Cavalry: Overture
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Light Cavalry: Overture
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Die lustige Witwe, Act II: Dialogue. Gospodina, dieses vaterländische Fest
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by artist: Karl Renar
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die lustige Witwe, Act II: Dialogue. Gospodina, dieses vaterländische Fest
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Die schöne Galathee: Overture
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Die schöne Galathee: Overture
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Die lustige Witwe, Act II: No. 8, Duet. Heia, Mädel, aufgeschaut – Dummer, dummer Reitersmann
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die lustige Witwe, Act II: No. 8, Duet. Heia, Mädel, aufgeschaut – Dummer, dummer Reitersmann
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Die lustige Witwe, Act II: No. 10b, Valse moderato
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  date published: 2026-07-02T03:30:09Z
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Die lustige Witwe, Act II: No. 11a, Duet. Mein Freund, Vernunft!
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die lustige Witwe, Act II: No. 11a, Duet. Mein Freund, Vernunft!
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Die lustige Witwe, Act II: Dialogue. Ah, die Baronin und Herr Rosillon
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by artist: Zoltan Kelemen
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Die lustige Witwe, Act II: No. 12, Finale: a. Ha! Ha! Wir fragen
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Die lustige Witwe, Act II: No. 12, Finale: d. Die Ehe ist für mich privat
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Die lustige Witwe, Act II: No. 12, Finale: d. Die Ehe ist für mich privat
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Die lustige Witwe, Act II: No. 12, Finale. e. Es waren zwei Königskinder
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Meine Lippen sie küssen so heiss - Operetta's Greatest Hits
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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    date published: 2026-07-08T03:22:41Z
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Das Grosse Operetten Festival
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Zeller: Der Vogelhändler (QS) - Fall: Die Dollarprinzessin (QS)
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The Artist's Album - Pierre Boulez
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  by artist: Bayreuth Festival Orchestra
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track: Images for Orchestra, CD 118: II. Ibéria: c. Le matin d’un jour de fête
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Répons: Introduction
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Répons: Introduction
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Cavalleria rusticana / Pagliacci (QS)
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Le Nozze di Figaro
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track: Mozart: Le Nozze di Figaro: Non piu andrai, farfallone amoroso - Act One

Verdi: La traviata
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Rusalka
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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Boulez A-Z: Berg - Birtwistle
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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Verdi: La traviata (Live)
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The Unknown Kurt Weill
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track: Youkali: Tango Habanera
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Es Regnet
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201560
  explicit: false
  by artist: Kurt Weill
  by artist: Teresa Stratas
  in album: The Unknown Kurt Weill
    type: MusicAlbum
    date published: 2005-12-06
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  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Es Regnet
track: Je Ne T'Aime Pas

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO18101910

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x7f4df2e29cab874094e1ba741f61d77a7814de5bf5cdb933652a0177d59f21f6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USNO18101910.
date published: 2026-07-08T03:20:19Z

Es Regnet
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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  value: 0.352
additional property: Energy
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additional property: Speechiness
  type: PropertyValue
  value: 0.041
additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
  type: PropertyValue
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additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.065
additional property: Loudness (dB)
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  value: -27.901
additional property: Key Name
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additional property: Mode Name
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Je Ne T'Aime Pas
type: MusicRecording
duration: PT4M46S
duration ms: 286973
explicit: false
by artist: Kurt Weill
by artist: Teresa Stratas
in album: The Unknown Kurt Weill
  type: MusicAlbum
  date published: 2005-12-06
isrc code: USNO18101913
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x9d7aa0474cc15499b77c38a83d4365af8f345e73fa0092f04cd4fac1189b9b4c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO18101913
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d7aa0474cc15499b77c38a83d4365af8f345e73fa0092f04cd4fac1189b9b4c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USNO18101913.
  date published: 2026-07-08T03:22:41Z
audio: Je Ne T'Aime Pas
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.337
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.385
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Stratas Sings Weill
type: MusicAlbum
date published: 2005-12-06

Leoncavallo: I Pagliacci
type: MusicAlbum
date published: 1984-01-01
track: Pagliacci / Prologue: "Si può? Signore! Signori!"
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284866
  explicit: false
  by artist: Ruggero Leoncavallo
  by artist: Juan Pons
  by artist: Orchestra Del Teatro Alla Scala, Milano
  by artist: Georges Prêtre
  in album: Leoncavallo: I Pagliacci
    type: MusicAlbum
    date published: 1984-01-01
  genre: italian-opera
  genre: italian-romanticism
  genre: opera
  isrc code: NLA508321402
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4620d97af584acd2876f1e1674a4f65703c28fae5abe1c86c29f9d56d6c31ce8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321402
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4620d97af584acd2876f1e1674a4f65703c28fae5abe1c86c29f9d56d6c31ce8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLA508321402.
    date published: 2026-07-08T03:22:41Z
  audio: Pagliacci / Prologue: "Si può? Signore! Signori!"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.263
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.268
    additional property: Energy
      type: PropertyValue
      value: 0.093
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.952
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    additional property: Liveness
      type: PropertyValue
      value: 0.515
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.099
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.347
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
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track: Pagliacci / Act 1: "Un tal gioco, credetemi"
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161000
  explicit: false
  by artist: Ruggero Leoncavallo
  by artist: Plácido Domingo
  by artist: Teresa Stratas
  by artist: Coro Del Teatro Alla Scala Di Milano
  by artist: Orchestra Del Teatro Alla Scala, Milano
  by artist: Georges Prêtre
  in album: Leoncavallo: I Pagliacci
    type: MusicAlbum
    date published: 1984-01-01
  genre: italian-opera
  genre: italian-romanticism
  genre: opera
  isrc code: NLA508321405
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T05:16:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xefa3b6ceecd312755ffa252757fc41bc5a9c8b9603b33a67a4a02bb54d1645ea
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321405
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefa3b6ceecd312755ffa252757fc41bc5a9c8b9603b33a67a4a02bb54d1645ea. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLA508321405.
    date published: 2026-07-08T03:22:41Z
  audio: Pagliacci / Act 1: "Un tal gioco, credetemi"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 165.257
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.276
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.338
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.1
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
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track: Pagliacci / Act 1: "I zampognari!"
  type: MusicRecording
  duration: PT1M14S
  duration ms: 74266
  explicit: false
  by artist: Ruggero Leoncavallo
  by artist: Plácido Domingo
  by artist: Coro Del Teatro Alla Scala Di Milano
  by artist: Orchestra Del Teatro Alla Scala, Milano
  by artist: Georges Prêtre
  in album: Leoncavallo: I Pagliacci
    type: MusicAlbum
    date published: 1984-01-01
  genre: italian-opera
  genre: italian-romanticism
  genre: opera
  isrc code: NLA508321406
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Pagliacci / Act 1: "I zampognari!"
track: Pagliacci / Act 1: "Don, din, don - suona vespero"
track: Pagliacci / Act 1: "Stridono lassù"
track: Pagliacci / Act 1: "Nedda! Silvio, a quest'ora"
track: Pagliacci / Act 1: "Cammina adagio" - "Derisione e scherno!" - "Padron! che fate!"
track: Pagliacci / Act 1: "Recitar!"
track: Pagliacci / Act 1: "Vesti la giubba"
track: Pagliacci / Act 1: Intermezzo
track: Pagliacci / Act 2: "Presto, affrettiamoci"
track: Pagliacci / Act 2: "Pagliaccio, mio marito"
track: Pagliacci / Act 2: "Arlecchin! Colombina!" - "Prendi questo narcotico"
track: Pagliacci / Act 2: "Coraggio"
track: Pagliacci / Act 2: "No, Pagliaccio non son"

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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value: 2026-07-07T01:55:08+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xf441568ffc22a673a90bd288070a3e7dd4e19af82f5efb68b4dfa12629a3fe0c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321406

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xf441568ffc22a673a90bd288070a3e7dd4e19af82f5efb68b4dfa12629a3fe0c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLA508321406.
date published: 2026-07-08T03:20:19Z

Pagliacci / Act 1: "I zampognari!"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 106.611
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Pagliacci / Act 1: "Don, din, don - suona vespero"
type: MusicRecording
duration: PT2M30S
duration ms: 150733
explicit: false
by artist: Ruggero Leoncavallo
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:15:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x042ea684edf5e0c0bf130f07ff5cd9f9070ee95ad2f4bb4202e6b7d91e8eb121
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321407
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x042ea684edf5e0c0bf130f07ff5cd9f9070ee95ad2f4bb4202e6b7d91e8eb121. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/NLA508321407.
  date published: 2026-07-06T06:56:49Z
audio: Pagliacci / Act 1: "Don, din, don - suona vespero"
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 83.756
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.173
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.262
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 1: "Stridono lassù"
type: MusicRecording
duration: PT2M35S
duration ms: 155000
explicit: false
by artist: Ruggero Leoncavallo
by artist: Teresa Stratas
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:39:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x238f3c883029df19bd81e762bfa08cfc0275c2b8077066cf1ff63ca873918616
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321409
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x238f3c883029df19bd81e762bfa08cfc0275c2b8077066cf1ff63ca873918616. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLA508321409.
  date published: 2026-07-08T03:53:27Z
audio: Pagliacci / Act 1: "Stridono lassù"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.169
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.341
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.111
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.613
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.109
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 1: "Nedda! Silvio, a quest'ora"
type: MusicRecording
duration: PT1M55S
duration ms: 115226
explicit: false
by artist: Ruggero Leoncavallo
by artist: Teresa Stratas
by artist: Alberto Rinaldi
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:37:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02fd88a17e8fe8e5705123e541cb70a052dcbcf98e97fcc838e66b4b38446f3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321411
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02fd88a17e8fe8e5705123e541cb70a052dcbcf98e97fcc838e66b4b38446f3d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLA508321411.
  date published: 2026-07-08T03:20:19Z
audio: Pagliacci / Act 1: "Nedda! Silvio, a quest'ora"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.855
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.299
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.274
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.09
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.844
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pagliacci / Act 1: "Cammina adagio" - "Derisione e scherno!" - "Padron! che fate!"
type: MusicRecording
duration: PT4M40S
duration ms: 280626
explicit: false
by artist: Ruggero Leoncavallo
by artist: Juan Pons
by artist: Florindo Andreolli
by artist: Alberto Rinaldi
by artist: Teresa Stratas
by artist: Plácido Domingo
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321414
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:14:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c49b3677b32b9aee34bbb32859145a85a146cfc504063aed3f8a4af99b0f018
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321414
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c49b3677b32b9aee34bbb32859145a85a146cfc504063aed3f8a4af99b0f018. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLA508321414.
  date published: 2026-07-08T03:53:27Z
audio: Pagliacci / Act 1: "Cammina adagio" - "Derisione e scherno!" - "Padron! che fate!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.291
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.143
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.01
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 1: "Recitar!"
type: MusicRecording
duration: PT0M46S
duration ms: 46440
explicit: false
by artist: Ruggero Leoncavallo
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321415
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:26:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdaec0052dd73d39db4aab99173a24892fdb0e6c623e7e29e26172ce3449958cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957061
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321415
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaec0052dd73d39db4aab99173a24892fdb0e6c623e7e29e26172ce3449958cf. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/NLA508321415.
  date published: 2026-07-07T16:07:00Z
audio: Pagliacci / Act 1: "Recitar!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.034
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.161
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.266
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 1: "Vesti la giubba"
type: MusicRecording
duration: PT2M42S
duration ms: 162000
explicit: false
by artist: Ruggero Leoncavallo
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321416
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:25:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e2be9e12e448339f097109614ec1ab1ffb2c208d65ca716f243f673c477211b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321416
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e2be9e12e448339f097109614ec1ab1ffb2c208d65ca716f243f673c477211b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLA508321416.
  date published: 2026-06-13T13:32:09Z
audio: Pagliacci / Act 1: "Vesti la giubba"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.206
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.256
  additional property: Energy
    type: PropertyValue
    value: 0.262
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.199
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.094
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.785
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 1: Intermezzo
type: MusicRecording
duration: PT3M21S
duration ms: 201826
explicit: false
by artist: Ruggero Leoncavallo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321417
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:44:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c6864db22cf406e93bd5709f87f37530218bfcd76c058f6c89da77f114e4364
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321417
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6864db22cf406e93bd5709f87f37530218bfcd76c058f6c89da77f114e4364. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLA508321417.
  date published: 2026-07-08T03:20:19Z
audio: Pagliacci / Act 1: Intermezzo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.407
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.019
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.836
  additional property: Liveness
    type: PropertyValue
    value: 0.204
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.516
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 2: "Presto, affrettiamoci"
type: MusicRecording
duration: PT2M58S
duration ms: 178573
explicit: false
by artist: Ruggero Leoncavallo
by artist: Teresa Stratas
by artist: Juan Pons
by artist: Florindo Andreolli
by artist: Alberto Rinaldi
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321418
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:53:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d7fa138eae25da8b888c39e85c5f90d5b464e60b0865c9e87c7cbacedf9c6b9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7fa138eae25da8b888c39e85c5f90d5b464e60b0865c9e87c7cbacedf9c6b9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLA508321418.
  date published: 2026-07-08T03:20:19Z
audio: Pagliacci / Act 2: "Presto, affrettiamoci"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.225
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.444
  additional property: Energy
    type: PropertyValue
    value: 0.204
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.637
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.204
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.486
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 2: "Pagliaccio, mio marito"
type: MusicRecording
duration: PT1M36S
duration ms: 96173
explicit: false
by artist: Ruggero Leoncavallo
by artist: Teresa Stratas
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321419
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:28:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb997dba0abf241b762c0967819028add17bb6383642d3c0bd9b418e6785b54d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321419
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb997dba0abf241b762c0967819028add17bb6383642d3c0bd9b418e6785b54d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/NLA508321419.
  date published: 2026-07-08T08:56:20Z
audio: Pagliacci / Act 2: "Pagliaccio, mio marito"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 174.524
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.896
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.617
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.501
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.406
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 2: "Arlecchin! Colombina!" - "Prendi questo narcotico"
type: MusicRecording
duration: PT2M39S
duration ms: 159266
explicit: false
by artist: Ruggero Leoncavallo
by artist: Florindo Andreolli
by artist: Teresa Stratas
by artist: Juan Pons
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321422
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:31:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99be0af72953df5e9194940760a4f7ebd8a2febda6aa431ff17d07724d22bb7a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321422
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99be0af72953df5e9194940760a4f7ebd8a2febda6aa431ff17d07724d22bb7a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLA508321422.
  date published: 2026-07-08T03:22:41Z
audio: Pagliacci / Act 2: "Arlecchin! Colombina!" - "Prendi questo narcotico"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.106
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.349
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.121
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.981
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 2: "Coraggio"
type: MusicRecording
duration: PT2M4S
duration ms: 124133
explicit: false
by artist: Ruggero Leoncavallo
by artist: Juan Pons
by artist: Teresa Stratas
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321423
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:08:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa801e90b693f8a94cce8b785e808160155a87e48d234ce846dafdfa93a7c52e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321423
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa801e90b693f8a94cce8b785e808160155a87e48d234ce846dafdfa93a7c52e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLA508321423.
  date published: 2026-07-08T03:53:27Z
audio: Pagliacci / Act 2: "Coraggio"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.155
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.373
  additional property: Energy
    type: PropertyValue
    value: 0.196
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.013
  additional property: Liveness
    type: PropertyValue
    value: 0.788
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.333
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.206
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pagliacci / Act 2: "No, Pagliaccio non son"
type: MusicRecording
duration: PT3M14S
duration ms: 194600
explicit: false
by artist: Ruggero Leoncavallo
by artist: Alberto Rinaldi
by artist: Plácido Domingo
by artist: Teresa Stratas
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1984-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA508321424
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:11:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8651909dc99185acb0d6231cc846142698853c574c15dff7a27e664012b5c579
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321424
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8651909dc99185acb0d6231cc846142698853c574c15dff7a27e664012b5c579. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLA508321424.
  date published: 2026-07-08T03:22:41Z
audio: Pagliacci / Act 2: "No, Pagliaccio non son"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.065
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.355
  additional property: Energy
    type: PropertyValue
    value: 0.337
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.482
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.236
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.355
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

September Songs
type: MusicAlbum
date published: 1997-05-09
track: Mack The Knife from The Threepenny Opera
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293426
  explicit: false
  by artist: Kurt Weill
  by artist: Nick Cave
  by artist: Kenny Wollesen
  in album: September Songs
    type: MusicAlbum
    date published: 1997-05-09
  isrc code: USSM19400634
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T08:04:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x816dd8f2ff577cf48807b997f3f9974fe71572c2cd0a5cb7d7a514545cc79c61
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19400634
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x816dd8f2ff577cf48807b997f3f9974fe71572c2cd0a5cb7d7a514545cc79c61. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM19400634.
    date published: 2026-07-02T03:55:08Z
  audio: Mack The Knife from The Threepenny Opera
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.768
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.501
    additional property: Energy
      type: PropertyValue
      value: 0.338
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.773
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.138
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.361
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.468
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Pirate Jenny from The Threepenny Opera
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243866
  explicit: false
  by artist: Kurt Weill
  by artist: Lotte Lenya
  by artist: Roger Bean
  in album: September Songs
    type: MusicAlbum
    date published: 1997-05-09
  isrc code: USSM15500047
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T07:34:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd16c1a756e783fb445c701e57bc9833a0f1b3d7499e41f3bdefec85fb4f4c1d5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957073
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957073
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15500047
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T18:39:05Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16c1a756e783fb445c701e57bc9833a0f1b3d7499e41f3bdefec85fb4f4c1d5. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USSM15500047.
    date published: 2026-07-07T18:39:05Z
  audio: Pirate Jenny from The Threepenny Opera
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.465
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.671
    additional property: Energy
      type: PropertyValue
      value: 0.225
    additional property: Speechiness
      type: PropertyValue
      value: 0.417
    additional property: Acousticness
      type: PropertyValue
      value: 0.838
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.121
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.396
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.876
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Speak Low from One Touch of Venus
  type: MusicRecording
  duration: PT5M30S
  duration ms: 330306
  explicit: false
  by artist: Kurt Weill
  by artist: Fred Hersh
  by artist: Charlie Haden
  in album: September Songs
    type: MusicAlbum
    date published: 1997-05-09
  isrc code: USSM19400629
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T04:37:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xede70f9894eeb6b2f972a673d256f8586f5277317abb237980ae0bb671a66f1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Speak Low from One Touch of Venus
track: Surabaya Johnny from Happy End
track: September Song from Knickerbocker Holiday
track: What Keeps Mankind Alive? from The Threepenny Opera

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956889

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19400629

OTSTimestamp
type: PropertyValue
value: 2026-07-06T06:56:49Z

OTSVerifyInstructions
type: PropertyValue
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xede70f9894eeb6b2f972a673d256f8586f5277317abb237980ae0bb671a66f1c. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USSM19400629.
date published: 2026-07-06T06:56:49Z

Speak Low from One Touch of Venus
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 104.031
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.465
additional property: Energy
  type: PropertyValue
  value: 0.009
additional property: Speechiness
  type: PropertyValue
  value: 0.049
additional property: Acousticness
  type: PropertyValue
  value: 0.954
additional property: Instrumentalness
  type: PropertyValue
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additional property: Liveness
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Surabaya Johnny from Happy End
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September Song from Knickerbocker Holiday
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What Keeps Mankind Alive? from The Threepenny Opera
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Best of Operette
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Verdi: Il Trovatore (Metropolitan Opera)
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Massenet: Manon (1959)
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Dvořák: Rusalka
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Opera Highlights (Live)
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Opera - Vol. 5
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Mozart: Le nozze di Figaro, K. 492 [Recorded 1960]
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Verdi: Il trovatore (1961)
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Richard Strauss: Elektra, Op. 58, TrV 223 (Highlights)
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Mozart - Cosí fan tutte
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Mascagni: Cavalleria rusticana - Leoncavallo: Pagliacci
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Grandes Clásicos de la Opera, Volumen 5
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MOZART: COSÌ FAN TUTTE
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Musikstadt Wien 2
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