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description: Eduard Müller may refer to: Eduard Müller (philologist) (1804–1875), German gymnasium director Eduard Müller (German politician) (1818–1895), German priest, member of the German Reichstag, co-founde
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album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: Boogie Woogie Etude
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String Quartet No. 14 in C Sharp Minor, Op. 131: II. Allegro molto vivace
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duration: PT3M7S
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by artist: Ludwig van Beethoven
by artist: Amadeus Quartet
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genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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: String Quartet No. 14 in C Sharp Minor, Op. 131: II. Allegro molto vivace
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Piano Concerto No. 21 in C Major, K. 467: II. Andante "Elvira Madigan"
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duration: PT7M13S
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by artist: Géza Anda
by artist: Camerata Salzburg
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genre: classical-era
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genre: opera
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Piano Concerto No. 21 in C Major, K. 467: II. Andante "Elvira Madigan"
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Evening Bells
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duration: PT2M47S
duration ms: 167346
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by artist: Anonymous
by artist: Andre Bielecki
by artist: Don Kosaken Chor
by artist: Serge Jaroff
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:46:00Z
audio: Evening Bells
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Winterreise, D.911: 24. Der Leiermann
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duration: PT3M34S
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by artist: Hans Hotter
by artist: Michael Raucheisen
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Winterreise, D.911: 24. Der Leiermann
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24 Préludes, Op. 28: No. 24 in D Minor: Allegro appassionato
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by artist: Martha Argerich
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genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:58:00Z
audio: 24 Préludes, Op. 28: No. 24 in D Minor: Allegro appassionato
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Estancia / Danzas del Ballet: II. Danza del trigo - Live At Centro de Acción Social por la Música, Sala Simón Bolivar, Caracas / 2008
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by artist: Simón Bolívar Youth Orchestra of Venezuela
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Estancia / Danzas del Ballet: II. Danza del trigo - Live At Centro de Acción Social por la Música, Sala Simón Bolivar, Caracas / 2008
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Pavane pour une infante défunte, M. 19 (Version for Orchestra)
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by artist: Orchestre de Paris
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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: Pavane pour une infante défunte, M. 19 (Version for Orchestra)
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Peer Gynt, Op. 23, Act IV: No. 13, Prelude. Morning Mood
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by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
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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: Peer Gynt, Op. 23, Act IV: No. 13, Prelude. Morning Mood
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Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
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by artist: Wolfgang Amadeus Mozart
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by artist: Wiener Philharmoniker
by artist: Claudio Abbado
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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: Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
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Winterreise, D. 911: No. 5, Der Lindenbaum
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by artist: Franz Schubert
by artist: Dietrich Fischer-Dieskau
by artist: Gerald Moore
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genre: classical
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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: Winterreise, D. 911: No. 5, Der Lindenbaum
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Carmina Burana: I. O fortuna
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duration: PT2M37S
duration ms: 157466
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by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
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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: Carmina Burana: I. O fortuna
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24 Preludes, Op. 28: No. 3 in G Major. Vivace
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by artist: Frédéric Chopin
by artist: Rafal Blechacz
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 24 Preludes, Op. 28: No. 3 in G Major. Vivace
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Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
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duration: PT2M48S
duration ms: 168253
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by artist: Johann Sebastian Bach
by artist: Pierre Fournier
in album: 111 Years of Deutsche Grammophon
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genre: early-music
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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: Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
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Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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duration: PT1M27S
duration ms: 87520
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by artist: Johann Sebastian Bach
by artist: Jean Soldan
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
in album: 111 Years of Deutsche Grammophon
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genre: classical
genre: classical-piano
genre: early-music
genre: baroque
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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: Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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Messa da Requiem: IV. Sanctus
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duration: PT2M27S
duration ms: 147840
explicit: false
by artist: Giuseppe Verdi
by artist: RIAS-Symphonie-Orchester
by artist: Ferenc Fricsay
by artist: RIAS Kammerchor
by artist: Chor der St. Hedwigs-Kathedrale Berlin
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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: Messa da Requiem: IV. Sanctus
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6 Bagatelles, Op. 126: No. 4 in B Minor. Presto
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duration: PT3M10S
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by artist: Ludwig van Beethoven
by artist: Wilhelm Kempff
in album: 111 Years of Deutsche Grammophon
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genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 6 Bagatelles, Op. 126: No. 4 in B Minor. Presto
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Requiem, Op. 48: 4. Pie Jesu
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duration: PT4M4S
duration ms: 244893
explicit: false
by artist: Gabriel Fauré
by artist: Kathleen Battle
by artist: Timothy Farrell
by artist: Philharmonia Orchestra
by artist: Carlo Maria Giulini
in album: 111 Years of Deutsche Grammophon
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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: Requiem, Op. 48: 4. Pie Jesu
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Symphony No. 88 in G Major, Hob. I:88 "The Letter V": IV. Finale. Allegro con spirito
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duration: PT3M37S
duration ms: 217693
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by artist: Berliner Philharmoniker
by artist: Wilhelm Furtwängler
in album: 111 Years of Deutsche Grammophon
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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: Symphony No. 88 in G Major, Hob. I:88 "The Letter V": IV. Finale. Allegro con spirito
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Préludes / Book 1, L. 117: VII. Ce qu'a vu le vent d'ouest
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by artist: Arturo Benedetti Michelangeli
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genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Préludes / Book 1, L. 117: VII. Ce qu'a vu le vent d'ouest
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Lucrezia Borgia / Act II: "Il segreto per esser felici"
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duration: PT2M40S
duration ms: 160013
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by artist: Gaetano Donizetti
by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
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by artist: Coro del Teatro Comunale di Bologna
by artist: Paolo Vero
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genre: opera
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
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Carmen, WD 31, Act I: Habanera. L'amour est un oiseau rebelle
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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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Candide Overture - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T04:14:58Z
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Requiem, K. 626: IIIf. Lacrimosa
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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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Pictures at an Exhibition (Orch. Ravel): II. The Old Castle
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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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6 Lieder, Op. 17: No. 2, Ständchen
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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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The Well-Tempered Clavier, Book I, BWV 846-869: Prelude and Fugue No. 1 in C Major, BWV 846
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Well-Tempered Clavier, Book I, BWV 846-869: Prelude and Fugue No. 1 in C Major, BWV 846
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The Rite of Spring, K15, Pt. 2: XIV. Sacrificial Dance
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:58:00Z
audio: The Rite of Spring, K15, Pt. 2: XIV. Sacrificial Dance
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Canon and Gigue in D Major: I. Canon
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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: Canon and Gigue in D Major: I. Canon
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El Amor Brujo: Canción del amor dolido
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:42:11Z
audio: El Amor Brujo: Canción del amor dolido
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Concerto For Violin, Strings And Harpsichord In G Minor, R. 325: 2. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: Concerto For Violin, Strings And Harpsichord In G Minor, R. 325: 2. Largo
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Violin Concerto No. 2 in E Major, BWV 1042: III. Allegro assai
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Violin Concerto No. 2 in E Major, BWV 1042: III. Allegro assai
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Tosca, Act III: E lucevan le stelle
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Tosca, Act III: E lucevan le stelle
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Cappella Coloniensis / Gustav Scheck / August Wenzinger spielen; Georg Friedrich Händel: Concerto grosso Nr. 1 / Nr. 2, Op. 3, HWV 312
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Werke von George Frideric Handel: Serie A. Orchesterkonzerte (Mono Version)
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J.S. Bach: Concerti for 1 to 4 Harpsichords & String Orchestra
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Milan: Musica de vihuela de mano / Ortiz: Musica de Violones
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Handel: Organ Concertos
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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: 2026-07-06T06:56:49Z
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    date published: 2026-07-06T06:56:49Z
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track: Organ Concerto No. 13 in F -"Cuckoo and the Nightingale" HWV 295: Allegro
track: Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 1. Andante
track: Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 2. Fuga. Allegro
track: Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 3. Andante
track: Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 4. Largo e piano
track: Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 5. Bourrée (Allegro)
track: Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: Ouverture
track: Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: A tempo ordinario
track: Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: Prelude fis-moll. Moderato assai (Organsolo)
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track: Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: Andante
track: Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: "Nun ruhen alle Wälder" (Organsolo)
track: Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: 3. Spiritoso
track: Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: 4. Menuet
track: Organ Concerto No. 10 in D minor, Op. 7 No. 4 HWV 309: 1. Adagio
track: Organ Concerto No. 10 in D minor, Op. 7 No. 4 HWV 309: 2. Allegro
track: Organ Concerto No. 10 in D minor, Op. 7 No. 4 HWV 309: 3. Aria (Organsolo)
track: Organ Concerto No. 10 in D minor, Op. 7 No. 4 HWV 309: 4. Allegro

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date published: 2026-07-29T19:35:34Z

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  date published: 2026-07-29T19:35:34Z
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Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 1. Andante
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  date published: 2026-07-29T19:35:34Z
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Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 2. Fuga. Allegro
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  date published: 1966-01-01
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T06:39:12Z
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Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 3. Andante
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by artist: Schola Cantorum Basiliensis
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
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Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 4. Largo e piano
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by artist: Schola Cantorum Basiliensis
by artist: August Wenzinger
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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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Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 5. Bourrée (Allegro)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
audio: Organ Concerto No. 7 in B flat, Op. 7 No. 1 HWV 306: 5. Bourrée (Allegro)
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Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: Ouverture
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by artist: Schola Cantorum Basiliensis
by artist: August Wenzinger
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genre: classical
genre: opera
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genre: english-baroque
genre: german-baroque
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T05:15:54Z
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Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: A tempo ordinario
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genre: classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
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Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: Prelude fis-moll. Moderato assai (Organsolo)
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duration: PT2M9S
duration ms: 129133
explicit: false
by artist: George Frideric Handel
by artist: Eduard Müller
by artist: Schola Cantorum Basiliensis
by artist: August Wenzinger
in album: Händel: Orgelkonzerte
  type: MusicAlbum
  date published: 1966-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: Prelude fis-moll. Moderato assai (Organsolo)
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Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: Allegro
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duration: PT5M41S
duration ms: 341266
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by artist: George Frideric Handel
by artist: Eduard Müller
by artist: Schola Cantorum Basiliensis
by artist: August Wenzinger
in album: Händel: Orgelkonzerte
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  date published: 1966-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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: Organ Concerto No. 8 in A, Op. 7 No. 2 HWV 307: Allegro
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Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: Andante
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duration: PT5M19S
duration ms: 319600
explicit: false
by artist: George Frideric Handel
by artist: Eduard Müller
by artist: Schola Cantorum Basiliensis
by artist: August Wenzinger
in album: Händel: Orgelkonzerte
  type: MusicAlbum
  date published: 1966-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
audio: Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: Andante
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Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: "Nun ruhen alle Wälder" (Organsolo)
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duration: PT2M45S
duration ms: 165066
explicit: false
by artist: George Frideric Handel
by artist: Eduard Müller
in album: Händel: Orgelkonzerte
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genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:13:32Z
audio: Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: "Nun ruhen alle Wälder" (Organsolo)
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Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: 3. Spiritoso
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duration: PT4M26S
duration ms: 266040
explicit: false
by artist: George Frideric Handel
by artist: Eduard Müller
by artist: Schola Cantorum Basiliensis
by artist: August Wenzinger
in album: Händel: Orgelkonzerte
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  date published: 1966-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: 3. Spiritoso
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Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: 4. Menuet
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duration: PT1M27S
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by artist: Schola Cantorum Basiliensis
by artist: August Wenzinger
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Organ Concerto No. 9 in B flat, Op. 7 No. 3 HWV 308: 4. Menuet
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Organ Concerto No. 10 in D minor, Op. 7 No. 4 HWV 309: 1. Adagio
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by artist: Schola Cantorum Basiliensis
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genre: classical
genre: opera
genre: early-music
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genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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Organ Concerto No. 10 in D minor, Op. 7 No. 4 HWV 309: 2. Allegro
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Organ Concerto No. 10 in D minor, Op. 7 No. 4 HWV 309: 3. Aria (Organsolo)
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Organ Concerto No. 10 in D minor, Op. 7 No. 4 HWV 309: 4. Allegro
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Die deutsche Vorklassik: Serie D. Orchester- und Kammermusik des Übergangs (Stereo Version)
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Hochrenaissance: Serie L. Die spanischen Meister (Mono Version)
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Handel: Organ Concertos Nos. 1 - 4 (Mono Version)
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Das italienische Seicento: Serie C. Die Toccata (An der altitalienischen Orgel in der Silbernen Kapelle in Innsbruck) (Mono Version)
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Eduard Müller / August Wenzinger play: Johann Sebastian Bach: Konzert Nr. 3 - für 3 Violinen, 3 Violen, 3 Violoncelli und Basso continuo, BWV 1048
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Joseph Bopp / Rodolfo Felicani / August Wenzinger play: Johann Sebastian Bach: Konzert Nr. 5 - für Flöte, Violine, Cembalo, Streicher und Basso continuo, BWV 1050
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U. Grehling / D. Vorholz / H. Münch-Holland / E. Müller / Capella Coloniensis spielen: Georg Friedrich Händel: Concerto grosso (aus dem Alexanderfest), HW 318
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Händel: Concertos
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track: Oboe Concerto No. 3 in G Minor, HWV 287: IV. Allegro
track: Concerto a due cori No. 2, HWV 333: I. Pomposo
track: Concerto a due cori No. 2, HWV 333: II. Allegro
track: Concerto a due cori No. 2, HWV 333: III. A tempo giusto
track: Concerto a due cori No. 2, HWV 333: IV. Largo
track: Concerto a due cori No. 2, HWV 333: V. Allegro ma non troppo - Adagio
track: Concerto a due cori No. 2, HWV 333: VI. A tempo ordinario
track: Organ Concerto No. 6 in B-Flat Major, Op. 4, HWV 294 - Arr. for Harp: 1. Andante Allegro
track: Organ Concerto No. 6 in B-Flat Major, Op. 4, HWV 294 - Arr. for Harp: 2. Larghetto
track: Organ Concerto No. 6 in B-Flat Major, Op. 4, HWV 294 - Arr. for Harp: 3. Allegro moderato
track: Oboe Concerto No. 2 in B flat, HWV 302a
track: Organ Concerto No. 13 in F Major, HWV 295 "Cuckoo and the Nightingale": II. Allegro
track: Organ Concerto No. 13 in F Major, HWV 295 "Cuckoo and the Nightingale": III. Larghetto
track: Concerto a due cori No. 3, HWV 334: IIa. Allegro
track: Concerto a due cori No. 3, HWV 334: IIb. Allegro ma non troppo

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Oboe Concerto No. 3 in G Minor, HWV 287: III. Sarabande (Largo)
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Oboe Concerto No. 3 in G Minor, HWV 287: IV. Allegro
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Concerto a due cori No. 2, HWV 333: I. Pomposo
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Concerto a due cori No. 2, HWV 333: II. Allegro
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Concerto a due cori No. 2, HWV 333: III. A tempo giusto
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Concerto a due cori No. 2, HWV 333: IV. Largo
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Concerto a due cori No. 2, HWV 333: V. Allegro ma non troppo - Adagio
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Concerto a due cori No. 2, HWV 333: VI. A tempo ordinario
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Organ Concerto No. 6 in B-Flat Major, Op. 4, HWV 294 - Arr. for Harp: 1. Andante Allegro
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Organ Concerto No. 6 in B-Flat Major, Op. 4, HWV 294 - Arr. for Harp: 2. Larghetto
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Organ Concerto No. 6 in B-Flat Major, Op. 4, HWV 294 - Arr. for Harp: 3. Allegro moderato
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Oboe Concerto No. 2 in B flat, HWV 302a
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Organ Concerto No. 13 in F Major, HWV 295 "Cuckoo and the Nightingale": II. Allegro
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Organ Concerto No. 13 in F Major, HWV 295 "Cuckoo and the Nightingale": III. Larghetto
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Concerto a due cori No. 3, HWV 334: IIa. Allegro
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date published: 2026-07-08T03:20:19Z

Premier Livre de pieces de clavecin / Suite in D Minor-major 1724: 14. La joyeuse
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Oboe Sonata in f major, HWV 363a: 5. Menuetto
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Harpsichord Suite Set I No. 3 in D minor HWV 428: 1. Prelude
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12 Concertos, Op. 3 - "L'estro armonico" / Concerto No. 4 in E minor for 4 Violins, RV 550: 4. Allegro
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Concerto for Strings and Continuo in B flat, R.163 "Conca": 1. (Allegro molto moderato) - Allegro molto
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1er livre suite en la: Courante
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Violin Sonata in A Major, Op. 1/3, HWV 361: III. Adagio
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Recorder Sonata in G minor, RV 58 (Il pastor fido, Op. 13/6): 1. Vivace - Adagio
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Recorder Sonata in G minor, RV 58 (Il pastor fido, Op. 13/6): 1. Vivace - Adagio
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Water Music, Suites 2 & 3 in D/G, HWV 348: IX. Country Dance (I/II)
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duration: PT1M28S
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by artist: The English Concert
by artist: Trevor Pinnock
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genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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: Water Music, Suites 2 & 3 in D/G, HWV 348: IX. Country Dance (I/II)
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Castor et Pollux - Ballet Suite: Air Gai
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duration: PT2M5S
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by artist: Jean-Philippe Rameau
by artist: London Symphony Orchestra
by artist: Sir Charles Mackerras
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Castor et Pollux - Ballet Suite: Air Gai
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Organ Concerto No. 1 in G Minor, Op. 4 No. 1, HWV 289: III. Adagio
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duration: PT1M16S
duration ms: 76306
explicit: false
by artist: George Frideric Handel
by artist: Simon Preston
by artist: The English Concert
by artist: Trevor Pinnock
in album: Baroque Summer
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genre: classical
genre: opera
genre: early-music
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genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Organ Concerto No. 1 in G Minor, Op. 4 No. 1, HWV 289: III. Adagio
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Suite Les Paladins, RCT 51: 14. Contredanse (en rondeau)
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duration: PT1M12S
duration ms: 72133
explicit: false
by artist: Jean-Philippe Rameau
by artist: Orchestra of the Age of Enlightenment
by artist: Gustav Leonhardt
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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: Suite Les Paladins, RCT 51: 14. Contredanse (en rondeau)
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Flute Concerto in G Minor, RV. 439 "La notte": III. Largo
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duration: PT1M9S
duration ms: 69480
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by artist: Antonio Vivaldi
by artist: Lisa Beznosiuk
by artist: The English Concert
by artist: Trevor Pinnock
in album: Baroque Summer
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  date published: 2024-07-01
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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: Flute Concerto in G Minor, RV. 439 "La notte": III. Largo
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 10 in B Minor for 4 Violins and Cello (Arr. P. Romero for 4 Guitars): IIb. Larghetto
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duration: PT1M7S
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by artist: Pepe Romero
by artist: San Antonio Symphony Orchestra
by artist: Victor Alessandro
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 10 in B Minor for 4 Violins and Cello (Arr. P. Romero for 4 Guitars): IIb. Larghetto
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Castor et Pollux - Ballet Suite: Air pour les Athlètes
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by artist: London Symphony Orchestra
by artist: Sir Charles Mackerras
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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: Castor et Pollux - Ballet Suite: Air pour les Athlètes
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Concerto grosso in F Major, Op. 3, No. 4, HWV 315: III. Allegro
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by artist: The English Concert
by artist: Trevor Pinnock
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso in F Major, Op. 3, No. 4, HWV 315: III. Allegro
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Concerto grosso in F Major, Op. 6, No. 9 HWV 327: I. Largo
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by artist: Anthony Pleeth
by artist: Robert Woolley
by artist: Trevor Pinnock
by artist: The English Concert
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto grosso in F Major, Op. 6, No. 9 HWV 327: I. Largo
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Concerto grosso in B flat, Op. 3, No. 1: 3. Allegro
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duration: PT1M34S
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by artist: English Chamber Orchestra
by artist: Raymond Leppard
by artist: Leslie Pearson
by artist: John Constable
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto grosso in B flat, Op. 3, No. 1: 3. Allegro
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Recorder Sonata in F Major, Op. 1/11, HWV 369: III. Alla Siciliana
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Recorder Sonata in F Major, Op. 1/11, HWV 369: III. Alla Siciliana
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Pièces de clavecin avec une méthode sur la mécanique des doigts: La joyeuse
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Pièces de clavecin avec une méthode sur la mécanique des doigts: La joyeuse
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Concerto Grosso in E Minor, Op. 6, No. 3, HWV 321: I. Larghetto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto Grosso in E Minor, Op. 6, No. 3, HWV 321: I. Larghetto
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Flute Sonata in B Minor, Op. 1/9b, HWV 367b: V. Adagio
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duration ms: 65199
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by artist: Paul Nicholson
by artist: Richard Tunnicliffe
by artist: Lisa Beznosiuk
in album: Baroque Summer
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genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Concerto for Guitar and Strings in G minor, Op. 10, No. 2, R.439 - Arr. from Flute Concerto in G minor, Op. 10 No. 2, R.439: 4. Presto
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by artist: Pepe Romero
by artist: I Musici
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto for Guitar and Strings in G minor, Op. 10, No. 2, R.439 - Arr. from Flute Concerto in G minor, Op. 10 No. 2, R.439: 4. Presto
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Concerto for Strings and Continuo in B flat, R.166: 3. (Allegro)
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duration: PT1M27S
duration ms: 87840
explicit: false
by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto for Strings and Continuo in B flat, R.166: 3. (Allegro)
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Arminio, HWV 36 / Act 2: Sinfonia
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by artist: Armonia Atenea
by artist: George Petrou
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Arminio, HWV 36 / Act 2: Sinfonia
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Hippolyte et Aricie / Act 3: Deuxième Air des Matelots
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by artist: Ensemble Vocal Sagittarius
by artist: Les Musiciens du Louvre
by artist: Marc Minkowski
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Hippolyte et Aricie / Act 3: Deuxième Air des Matelots
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Water Music Suite / Water Music Suite in D Major, BWV 349: Minuet
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by artist: Stuttgart Chamber Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Water Music Suite / Water Music Suite in D Major, BWV 349: Minuet
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Flute Sonata in G Major, Op. 1/5, HWV 363b: I. Adagio
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Saul, HWV 53 / Act 1: 20. Symphony
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subject of: OpenTimestamps Proof of Existence
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Water Music Suite No. 1 in F, HWV 348: 15. Air
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subject of: OpenTimestamps Proof of Existence
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 8 in D Minor, RV 249: 2. Adagio
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subject of: OpenTimestamps Proof of Existence
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12 Violin Concertos, Op. 4 - "La stravaganza" - Concerto No. 11 in D Major, RV 204: 2. Largo
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Music for the Royal Fireworks: Suite HWV 351: 3. Bourrée
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Trio Sonata for Flute, Violin and Continuo in E minor, Op. 5, No. 3, HWV 398: 4. Allemande (Andante allegro)
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x144e30e0bb1d8c8b15fb32c73d626baf62e33f0f28b790c852575d4032cf6fb9. 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/NLA507805744.
  date published: 2026-07-08T03:22:41Z
audio: Trio Sonata for Flute, Violin and Continuo in E minor, Op. 5, No. 3, HWV 398: 4. Allemande (Andante allegro)
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  additional property: Speechiness
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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: Mode Name
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Water Music Suite No. 3 in G Major, HWV 350: 21. without indication - 22. without indication
type: MusicRecording
duration: PT1M10S
duration ms: 70866
explicit: false
by artist: George Frideric Handel
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Baroque Summer
  type: MusicAlbum
  date published: 2024-07-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA509105016
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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/NLA509105016
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f5a5f6e133da8f2b2bb0ac372998a7b7401c29a40dad106132366fcbc00d3ae. 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/NLA509105016.
  date published: 2026-07-08T03:22:41Z
audio: Water Music Suite No. 3 in G Major, HWV 350: 21. without indication - 22. without indication
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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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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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Music For The Royal Fireworks, HWV 351 (1749): Minuet II
type: MusicRecording
duration: PT1M16S
duration ms: 76000
explicit: false
by artist: George Frideric Handel
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Rafael Kubelík
in album: Baroque Summer
  type: MusicAlbum
  date published: 2024-07-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056301106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056301106
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843338cc09aa0c575af69d861a1cdddfa7d420c732a458217d006432853d848a. 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/DEF056301106.
  date published: 2026-07-08T03:22:41Z
audio: Music For The Royal Fireworks, HWV 351 (1749): Minuet II
  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
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  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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Suite in E Minor for Harpsichord, RCT2 - Trans. for Guitar: 8. Tambourin (Transcr. Fernández)
type: MusicRecording
duration: PT1M16S
duration ms: 76826
explicit: false
by artist: Jean-Philippe Rameau
by artist: Eduardo Fernández
in album: Baroque Summer
  type: MusicAlbum
  date published: 2024-07-01
isrc code: GBF079143512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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/GBF079143512
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f20dcfa7a91e5d8cd0681e0ec531e3f7c1abbb015a19475769b009ab9cf0826. 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/GBF079143512.
  date published: 2026-07-08T03:22:41Z
audio: Suite in E Minor for Harpsichord, RCT2 - Trans. for Guitar: 8. Tambourin (Transcr. Fernández)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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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
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  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
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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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20th Century Recordings: Orchestral Music
type: MusicAlbum
date published: 2024-07-17
track: Abdelazer: Rondeau
  type: MusicRecording
  duration: PT1M37S
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  by artist: Henry Purcell
  by artist: Academy of St. Martin in the Fields
  by artist: Sir Neville Marriner
  in album: 20th Century Recordings: Orchestral Music
    type: MusicAlbum
    date published: 2024-07-17
  genre: classical
  genre: choral
  isrc code: NLA507100156
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  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/NLA507100156
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b34e75ffcc182f49c61b590ea40ab9234cc560dfadf30da89e1fc86b31a529b. 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/NLA507100156.
    date published: 2026-07-02T03:55:08Z
  audio: Abdelazer: Rondeau
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
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      value: 0.312
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.819
    additional property: Key Name
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    additional property: Mode Name
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Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
type: MusicAlbum
date published: 1982-01-01
track: 1. Einleitung
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107360
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Will Quadflieg
  by artist: The Cambridge Buskers
  by artist: Michael Copley
  by artist: Dag Ingram
  by artist: London Symphony Orchestra
  by artist: Claudio Abbado
  in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
    type: MusicAlbum
    date published: 1982-01-01
  popularity: 9
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: DEF058231601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 959137
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959137
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231601
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T14:03:35Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1efa676e6778a2dff830beeb7f29573b09d8b6616705d8b145c650d2e87318a. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/DEF058231601.
    date published: 2026-07-22T14:03:35Z
  audio: 1. Einleitung
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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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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track: 2. Der Popstar
  type: MusicRecording
  duration: PT2M54S
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  by artist: Will Quadflieg
  by artist: Dietrich Fischer-Dieskau
  by artist: Berliner Philharmoniker
  by artist: Karl Böhm
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    type: MusicAlbum
    date published: 1982-01-01
  popularity: 6
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231602
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:42:12Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5fee98c080099e1ef3b890053d9210f4dfd0faab62073afe43c865bc41d902. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/DEF058231602.
    date published: 2026-07-06T01:42:12Z
  audio: 2. Der Popstar
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    additional property: Musical Key
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    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: 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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track: 3. Geburt und Kindheit
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  duration: PT6M38S
  duration ms: 398573
  explicit: false
  by artist: Leopold Mozart
  by artist: Wolfgang Amadeus Mozart
  by artist: Will Quadflieg
  by artist: Bach-Orchester Berlin
  by artist: Carl Gorvin
  by artist: Karl Steins
  by artist: Karl Leister
  by artist: Gerd Seifert
  by artist: Günter Piesk
  by artist: Berliner Philharmoniker
  by artist: Karl Böhm
  in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  popularity: 6
  genre: classical
  isrc code: DEF058231603
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  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: 3. Geburt und Kindheit
track: 4. Musikalische Früherziehung
track: 5. Erste Kompositionen
track: 6. Übung macht den Meister
track: 7. Der junge Tänzer
track: 8. Der Weg zum Star
track: 9. Reisen, Reisen, Reisen
track: 10. Erste Erfolge
track: 11. Endlich in Wien
track: 12. Direkt beim Kaiser
track: 13. Ruhm hat seinen Preis
track: 14. Rückkehr nach Salzburg

Leopold Mozart
type: MusicGroup

Wolfgang Amadeus Mozart
type: MusicGroup

Will Quadflieg
type: MusicGroup

Bach-Orchester Berlin
type: MusicGroup

Carl Gorvin
type: MusicGroup

Karl Steins
type: MusicGroup

Karl Leister
type: MusicGroup

Gerd Seifert
type: MusicGroup

Günter Piesk
type: MusicGroup

Berliner Philharmoniker
type: MusicGroup

Karl Böhm
type: MusicGroup

Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
type: MusicAlbum
date published: 1982-01-01

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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value: 2026-07-22T11:09:47+00:00

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xa799a0d0459888729ff6d759decf4a41f52153ad9ebe0c5a05bc5ca00cf528e5

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 959123

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/959123

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231603

OTSTimestamp
type: PropertyValue
value: 2026-07-22T11:35:32Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa799a0d0459888729ff6d759decf4a41f52153ad9ebe0c5a05bc5ca00cf528e5. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/DEF058231603.
date published: 2026-07-22T11:35:32Z

3. Geburt und Kindheit
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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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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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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4. Musikalische Früherziehung
type: MusicRecording
duration: PT4M57S
duration ms: 297933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Wolfgang Rogge
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T20:54:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c6d3a11196c9ba5cb977bec1b454bd3427cdf837e28474ca665b2918940f16f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231604
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c6d3a11196c9ba5cb977bec1b454bd3427cdf837e28474ca665b2918940f16f. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/DEF058231604.
  date published: 2026-07-29T21:09:47Z
audio: 4. Musikalische Früherziehung
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 125.257
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.692
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.763
  additional property: Acousticness
    type: PropertyValue
    value: 0.692
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
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    value: 0.222
  additional property: Loudness (dB)
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  additional property: Key Name
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    value: C
  additional property: Mode Name
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5. Erste Kompositionen
type: MusicRecording
duration: PT4M48S
duration ms: 288680
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Norddeutscher Singkreis
by artist: Gottfried Wolters
by artist: Wolfgang Rogge
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231605
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T17:59:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2bcae36ed5bbbb6bfb9326f2a4585ac4d4efcea265e482e8dfd921b981a5c6a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231605
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bcae36ed5bbbb6bfb9326f2a4585ac4d4efcea265e482e8dfd921b981a5c6a5. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEF058231605.
  date published: 2026-07-29T19:35:34Z
audio: 5. Erste Kompositionen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  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
    type: PropertyValue
    value: 0
  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
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

6. Übung macht den Meister
type: MusicRecording
duration: PT2M34S
duration ms: 154240
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Berliner Philharmoniker
by artist: Wolfgang Schneiderhan
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T12:28:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23b35777984230c8fd925fa4cab05567ca352829919b98d0609e6a3874cfb667
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960106
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960106
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231606
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:41:21Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23b35777984230c8fd925fa4cab05567ca352829919b98d0609e6a3874cfb667. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/DEF058231606.
  date published: 2026-07-29T12:41:21Z
audio: 6. Übung macht den Meister
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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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
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.74
  additional property: Loudness (dB)
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  additional property: Mode Name
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7. Der junge Tänzer
type: MusicRecording
duration: PT1M43S
duration ms: 103560
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Dietrich Fischer-Dieskau
by artist: Hermann Prey
by artist: Orchester der Deutschen Oper Berlin
by artist: Karl Böhm
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:42:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1a8faca976ef049c34eb021b427171bcf92d7bc779d148773e5ac9630db831c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231607
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1a8faca976ef049c34eb021b427171bcf92d7bc779d148773e5ac9630db831c. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/DEF058231607.
  date published: 2026-07-07T14:04:01Z
audio: 7. Der junge Tänzer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  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
    type: PropertyValue
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8. Der Weg zum Star
type: MusicRecording
duration: PT2M42S
duration ms: 162693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Staatskapelle Dresden
by artist: Karl Böhm
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231608
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:51:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1730c765f49f91c0fd04882313da0ba89dfc8fbdd2302cdf03a25361a9afc85
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231608
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1730c765f49f91c0fd04882313da0ba89dfc8fbdd2302cdf03a25361a9afc85. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEF058231608.
  date published: 2026-07-06T07:53:57Z
audio: 8. Der Weg zum Star
  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: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.844
  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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  additional property: Mode Name
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9. Reisen, Reisen, Reisen
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duration: PT3M44S
duration ms: 224506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Domenico Scarlatti
by artist: Will Quadflieg
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
by artist: Ralph Kirkpatrick
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231609
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-06T05:13:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f8db74192aeb55554bb22fe1c2285784b1f3fb3e61efacf23b8b248f94e0360
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additional property: OTSBitcoinBlock
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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/DEF058231609
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8db74192aeb55554bb22fe1c2285784b1f3fb3e61efacf23b8b248f94e0360. 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/DEF058231609.
  date published: 2026-07-06T06:56:49Z
audio: 9. Reisen, Reisen, Reisen
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10. Erste Erfolge
type: MusicRecording
duration: PT1M23S
duration ms: 83653
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Eduard Müller
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 5
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058231610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T19:24:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x278c0756851893b67507c530f4676aa43bad0d9cf285e344fc0a72f6bb5c7081
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231610
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-29T19:35:34Z
audio: 10. Erste Erfolge
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11. Endlich in Wien
type: MusicRecording
duration: PT2M50S
duration ms: 170386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Wolfgang Schneiderhan
by artist: NDR Elbphilharmonie Orchester
by artist: Hans Schmidt-Isserstedt
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T10:40:26+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xa24b94823b406c23faee6e52e515c476a804f87a3081daf28aeb3fdf86baa636
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231611
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T11:07:37Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-29T11:07:37Z
audio: 11. Endlich in Wien
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    value: 5
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12. Direkt beim Kaiser
type: MusicRecording
duration: PT4M15S
duration ms: 255320
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Wolfgang Rogge
by artist: Krystian Zimerman
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 4
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T12:47:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e31c5beb22c51b608dce716684d49d2f51eacc6a3ac1d3fb9f3a75b4df1f668
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960108
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960108
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231612
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e31c5beb22c51b608dce716684d49d2f51eacc6a3ac1d3fb9f3a75b4df1f668. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/DEF058231612.
  date published: 2026-07-29T13:09:35Z
audio: 12. Direkt beim Kaiser
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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13. Ruhm hat seinen Preis
type: MusicRecording
duration: PT2M44S
duration ms: 164026
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Bläservereinigung der Wiener Philharmoniker
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 4
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-06T23:53:48+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x21407500236b56ef968618ff9a029352ebe531949871476ee63b28ce02a7ac69
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/DEF058231613
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21407500236b56ef968618ff9a029352ebe531949871476ee63b28ce02a7ac69. 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/DEF058231613.
  date published: 2026-07-08T03:20:19Z
audio: 13. Ruhm hat seinen Preis
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    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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14. Rückkehr nach Salzburg
type: MusicRecording
duration: PT4M16S
duration ms: 256533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Will Quadflieg
by artist: Friedrich Gulda
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
  type: MusicAlbum
  date published: 1982-01-01
popularity: 4
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058231614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/DEF058231614
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a947048f57604bcf77a5b72459632490eb14a4eff25b38060deb090435aeba. 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/DEF058231614.
  date published: 2026-07-08T03:20:19Z
audio: 14. Rückkehr nach Salzburg
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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Nicolai Gedda: Lyric Poet of the Tenor Voice
type: MusicAlbum
date published: 2010-02-19

Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
type: MusicAlbum
date published: 1983-01-01
track: 1. Schwere Kindheit für den Musiker
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  duration: PT4M7S
  duration ms: 247866
  explicit: false
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  by artist: Johann Jakob Froberger
  by artist: Will Quadflieg
  by artist: English Chamber Orchestra
  by artist: Karl Richter
  by artist: Kenneth Gilbert
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    type: MusicAlbum
    date published: 1983-01-01
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f3f56d3cbd1db0d77a0c72908330ac9ceaba79362dc39a39fa6f931242eaff. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEF058331101.
    date published: 2026-07-29T19:35:34Z
  audio: 1. Schwere Kindheit für den Musiker
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.99
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.702
    additional property: Energy
      type: PropertyValue
      value: 0.19
    additional property: Speechiness
      type: PropertyValue
      value: 0.941
    additional property: Acousticness
      type: PropertyValue
      value: 0.756
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.099
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.509
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.55
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 2. Erste Erfolge
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168440
  explicit: false
  by artist: Dietrich Buxtehude
  by artist: Will Quadflieg
  by artist: Helmut Walcha
  in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
    type: MusicAlbum
    date published: 1983-01-01
  genre: choral
  isrc code: DEF058331102
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T10:20:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7cb7c7ed89937e9703394a87781e171c8467f9683b868d5aee3f55b4ece461dd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960247
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960247
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331102
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T10:42:33Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb7c7ed89937e9703394a87781e171c8467f9683b868d5aee3f55b4ece461dd. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/DEF058331102.
    date published: 2026-07-30T10:42:33Z
  audio: 2. Erste Erfolge
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.976
    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: 0.622
    additional property: Energy
      type: PropertyValue
      value: 0.153
    additional property: Speechiness
      type: PropertyValue
      value: 0.932
    additional property: Acousticness
      type: PropertyValue
      value: 0.764
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.609
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.592
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.211
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 3. Auf nach Italien
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168133
  explicit: false
  by artist: Giovanni Pierluigi da Palestrina
  by artist: Alessandro Scarlatti
  by artist: Will Quadflieg
  by artist: Pro Cantione Antiqua
  by artist: Catherine Gayer
  by artist: Munich Chamber Orchestra
  by artist: Hans Stadlmair
  in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
    type: MusicAlbum
    date published: 1983-01-01
  genre: classical
  genre: early-music
  genre: renaissance
  genre: choral
  genre: gregorian-chant
  genre: medieval
  genre: catholic-music
  isrc code: DEF058331103
  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: 3. Auf nach Italien
track: 4. Der Wettkampf
track: 5. Schwierigkeiten in England
track: 6. In der Oberschicht
track: 7. Wassermusik
track: 8. Krankheit
track: 9. Kur und Rückkehr nach London
track: 10. Der Messias in Dublin
track: 11. Konzert für den guten Zweck
track: 12. Der Maestro wirkt Wunder
track: 13. Ein königlicher Auftrag
track: 14. Das Feuerwerk

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-30T02:19:34+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8cfb3a48e89a5ecd46f5b4d707bf0734131d47adecdd4b112f314b4d51e26e1d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960199

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960199

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331103

OTSTimestamp
type: PropertyValue
value: 2026-07-30T02:30:29Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cfb3a48e89a5ecd46f5b4d707bf0734131d47adecdd4b112f314b4d51e26e1d. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/DEF058331103.
date published: 2026-07-30T02:30:29Z

3. Auf nach Italien
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 101.259
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 6
additional property: Danceability
  type: PropertyValue
  value: 0.476
additional property: Energy
  type: PropertyValue
  value: 0.132
additional property: Speechiness
  type: PropertyValue
  value: 0.422
additional property: Acousticness
  type: PropertyValue
  value: 0.918
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.587
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.334
additional property: Loudness (dB)
  type: PropertyValue
  value: -26.006
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

4. Der Wettkampf
type: MusicRecording
duration: PT3M59S
duration ms: 239040
explicit: false
by artist: Domenico Scarlatti
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Ralph Kirkpatrick
by artist: Colin Tilney
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: DEF058331104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T06:55:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38192ebc7d4e0d9aedcbf392914ba0905d21c3f07683db641b7cc60460a634e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960220
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960220
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331104
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38192ebc7d4e0d9aedcbf392914ba0905d21c3f07683db641b7cc60460a634e2. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/DEF058331104.
  date published: 2026-07-30T07:28:30Z
audio: 4. Der Wettkampf
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.995
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.512
  additional property: Energy
    type: PropertyValue
    value: 0.358
  additional property: Speechiness
    type: PropertyValue
    value: 0.508
  additional property: Acousticness
    type: PropertyValue
    value: 0.744
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.382
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.564
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.704
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

5. Schwierigkeiten in England
type: MusicRecording
duration: PT5M2S
duration ms: 302053
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Tatiana Troyanos
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:37:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb2b125df711e04a5aa9a369ca61730c2afde8be7459117b962755630b518d74
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/DEF058331105
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2b125df711e04a5aa9a369ca61730c2afde8be7459117b962755630b518d74. 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/DEF058331105.
  date published: 2026-07-08T03:20:19Z
audio: 5. Schwierigkeiten in England
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.331
  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: 0.575
  additional property: Energy
    type: PropertyValue
    value: 0.248
  additional property: Speechiness
    type: PropertyValue
    value: 0.94
  additional property: Acousticness
    type: PropertyValue
    value: 0.789
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.402
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.437
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.233
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

6. In der Oberschicht
type: MusicRecording
duration: PT1M7S
duration ms: 67293
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Tatiana Troyanos
by artist: Karl Richter
by artist: Johannes Koch
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T15:16:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe860d0e4f3e24cff7da38b45f4f8a7719ca31ea07076dc68a2772e2d9fef10be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe860d0e4f3e24cff7da38b45f4f8a7719ca31ea07076dc68a2772e2d9fef10be. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/DEF058331106.
  date published: 2026-07-30T15:42:38Z
audio: 6. In der Oberschicht
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.399
  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: 0.565
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.551
  additional property: Acousticness
    type: PropertyValue
    value: 0.826
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.599
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.89
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.263
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

7. Wassermusik
type: MusicRecording
duration: PT5M39S
duration ms: 339626
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Schola Cantorum Basiliensis
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:29:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78f70c6a4bb8d15d9105154d848f489d8bc9ce5cf75f2c865d8a01dc4856e633
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960231
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960231
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331107
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:33:28Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78f70c6a4bb8d15d9105154d848f489d8bc9ce5cf75f2c865d8a01dc4856e633. Chain 2 (Bitcoin): anchored in block 960231 (2026-07-30T08:33:28Z), 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/DEF058331107.
  date published: 2026-07-30T08:33:28Z
audio: 7. Wassermusik
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.833
  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: 0.545
  additional property: Energy
    type: PropertyValue
    value: 0.18
  additional property: Speechiness
    type: PropertyValue
    value: 0.91
  additional property: Acousticness
    type: PropertyValue
    value: 0.837
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.412
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.157
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

8. Krankheit
type: MusicRecording
duration: PT2M33S
duration ms: 153760
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Eduard Müller
by artist: English Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Leeds Festival Chorus
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:37:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7dee1d6deff7826fb67c7445856752ef1f607febcb839f26f50bdcf1792585b4
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/DEF058331108
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dee1d6deff7826fb67c7445856752ef1f607febcb839f26f50bdcf1792585b4. 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/DEF058331108.
  date published: 2026-07-08T03:20:19Z
audio: 8. Krankheit
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.426
  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: 0.495
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.464
  additional property: Acousticness
    type: PropertyValue
    value: 0.829
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.194
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.474
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.217
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

9. Kur und Rückkehr nach London
type: MusicRecording
duration: PT4M5S
duration ms: 245626
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T23:46:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce321acc6448dc1e8fac863fa86949fbeead6a2ae2e5d2efd7a4ce2b56ba6e35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960170
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331109
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:52:38Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce321acc6448dc1e8fac863fa86949fbeead6a2ae2e5d2efd7a4ce2b56ba6e35. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/DEF058331109.
  date published: 2026-07-29T23:52:38Z
audio: 9. Kur und Rückkehr nach London
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.422
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.598
  additional property: Energy
    type: PropertyValue
    value: 0.19
  additional property: Speechiness
    type: PropertyValue
    value: 0.847
  additional property: Acousticness
    type: PropertyValue
    value: 0.777
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.2
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.261
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.737
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

10. Der Messias in Dublin
type: MusicRecording
duration: PT3M26S
duration ms: 206373
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T13:46:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd54053ec1748f526f96c4f8190ebebd88eae2321c32176d77b39e89e3ea996e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd54053ec1748f526f96c4f8190ebebd88eae2321c32176d77b39e89e3ea996e2. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/DEF058331110.
  date published: 2026-07-30T14:36:16Z
audio: 10. Der Messias in Dublin
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.308
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.699
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.921
  additional property: Acousticness
    type: PropertyValue
    value: 0.533
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.363
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.532
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.834
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

11. Konzert für den guten Zweck
type: MusicRecording
duration: PT4M52S
duration ms: 292320
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:20:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60ab74332959664d010227bf69a29d6a496bbc3575a0df7240ddd174b9cae24c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60ab74332959664d010227bf69a29d6a496bbc3575a0df7240ddd174b9cae24c. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/DEF058331111.
  date published: 2026-07-30T09:57:33Z
audio: 11. Konzert für den guten Zweck
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.895
  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: 0.483
  additional property: Energy
    type: PropertyValue
    value: 0.111
  additional property: Speechiness
    type: PropertyValue
    value: 0.166
  additional property: Acousticness
    type: PropertyValue
    value: 0.772
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.458
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.359
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.594
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

12. Der Maestro wirkt Wunder
type: MusicRecording
duration: PT1M48S
duration ms: 108706
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:28:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6523109338a762da25d7ba0fd7249e0a308a3456a1fc249adc28e66de34ef33
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331112
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6523109338a762da25d7ba0fd7249e0a308a3456a1fc249adc28e66de34ef33. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEF058331112.
  date published: 2026-07-31T02:19:15Z
audio: 12. Der Maestro wirkt Wunder
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.607
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.517
  additional property: Energy
    type: PropertyValue
    value: 0.228
  additional property: Speechiness
    type: PropertyValue
    value: 0.802
  additional property: Acousticness
    type: PropertyValue
    value: 0.771
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.38
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.32
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

13. Ein königlicher Auftrag
type: MusicRecording
duration: PT5M1S
duration ms: 301213
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: English Chamber Orchestra
by artist: Karl Richter
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T12:03:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9389029f3b323c20b85b96547e081a0007bba9566c9e7dcd2eab900e4c4f6d04
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960258
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960258
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331113
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:45:34Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9389029f3b323c20b85b96547e081a0007bba9566c9e7dcd2eab900e4c4f6d04. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/DEF058331113.
  date published: 2026-07-30T12:45:34Z
audio: 13. Ein königlicher Auftrag
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.549
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.656
  additional property: Energy
    type: PropertyValue
    value: 0.249
  additional property: Speechiness
    type: PropertyValue
    value: 0.903
  additional property: Acousticness
    type: PropertyValue
    value: 0.606
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.464
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.135
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

14. Das Feuerwerk
type: MusicRecording
duration: PT4M40S
duration ms: 280680
explicit: false
by artist: George Frideric Handel
by artist: Will Quadflieg
by artist: Schola Cantorum Basiliensis
in album: Wir entdecken Komponisten: Georg Friedrich Händel – Kein Feuerwerk für den König
  type: MusicAlbum
  date published: 1983-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF058331114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:35:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x376a481a4f0b42bd5f622d199299628bda3fa8018e39429e093dcaa2adc392d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960268
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960268
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331114
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:53:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376a481a4f0b42bd5f622d199299628bda3fa8018e39429e093dcaa2adc392d4. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/DEF058331114.
  date published: 2026-07-30T14:53:07Z
audio: 14. Das Feuerwerk
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  additional property: Tempo (BPM)
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    value: 129.455
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.67
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
    value: 0.811
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.155
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.693
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.505
  additional property: Key Name
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    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
type: MusicAlbum
date published: 2022-01-28
track: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1060: I. Allegro
  type: MusicRecording
  duration: PT5M10S
  duration ms: 310933
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Gustav Leonhardt
  by artist: Leonhardt-Consort
  by artist: Eduard Müller
  in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
    type: MusicAlbum
    date published: 2022-01-28
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEA806201001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T10:31:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x432a867711749919d9bebf8a7cd78413eecf01932dfd6f2556f76ea765d906b8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806201001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T12:24:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432a867711749919d9bebf8a7cd78413eecf01932dfd6f2556f76ea765d906b8. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEA806201001.
    date published: 2026-07-31T12:24:41Z
  audio: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1060: I. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 110.675
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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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
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.136
    additional property: Valence (Positivity)
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      value: 0.741
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.303
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
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track: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1060: II. Adagio
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309200
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Gustav Leonhardt
  by artist: Leonhardt-Consort
  by artist: Eduard Müller
  in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
    type: MusicAlbum
    date published: 2022-01-28
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEA806201002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:17:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa9ebb1a6ebd6c76f85de79f0c07dc46825c3c1d82a29eb5344294094f133822c
  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/DEA806201002
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ebb1a6ebd6c76f85de79f0c07dc46825c3c1d82a29eb5344294094f133822c. 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/DEA806201002.
    date published: 2026-07-08T03:20:19Z
  audio: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1060: II. Adagio
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 168.675
    additional property: Musical Key
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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
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    additional property: Energy
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      value: 0.374
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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      value: 0.91
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.021
    additional property: Liveness
      type: PropertyValue
      value: 0.243
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.77
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.657
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1060: III. Allegro
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233106
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Gustav Leonhardt
  by artist: Leonhardt-Consort
  by artist: Eduard Müller
  in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
    type: MusicAlbum
    date published: 2022-01-28
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEA806201003
  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: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1060: III. Allegro
track: Bach, JS: Concerto for Two Harpsichords in C Major, BWV 1061: I. —
track: Bach, JS: Concerto for Two Harpsichords in C Major, BWV 1061: II. Adagio ovvero largo
track: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1062: I. —
track: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1062: III. Allegro assai
track: Bach, JS: Concerto for Three Harpsichords in D Minor, BWV 1063: I. —
track: Bach, JS: Concerto for Three Harpsichords in D Minor, BWV 1063: III. Allegro
track: Bach, JS: Concerto for Four Harpsichords in A Minor, BWV 1065: I. —

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T02:29:41+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xbff1b99d72c3a7a1e2e98ccafdc62964fbe0d13f3a86370ff8f1217f9e87b3ed

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960337

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960337

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806201003

OTSTimestamp
type: PropertyValue
value: 2026-07-31T02:51:48Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbff1b99d72c3a7a1e2e98ccafdc62964fbe0d13f3a86370ff8f1217f9e87b3ed. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/DEA806201003.
date published: 2026-07-31T02:51:48Z

Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1060: III. Allegro
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
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additional property: Musical Key
  type: PropertyValue
  value: 11
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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  value: -17.615
additional property: Key Name
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additional property: Mode Name
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  value: Minor

Bach, JS: Concerto for Two Harpsichords in C Major, BWV 1061: I. —
type: MusicRecording
duration: PT7M26S
duration ms: 446160
explicit: false
by artist: Johann Sebastian Bach
by artist: Gustav Leonhardt
by artist: Leonhardt-Consort
by artist: Anneke Uittenbosch
in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
  type: MusicAlbum
  date published: 2022-01-28
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA806702201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:42:08+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x4fa53223fe1d6dc9db924fee5f05cba308a4a579617c253ad8c48a3569199dcc
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806702201
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fa53223fe1d6dc9db924fee5f05cba308a4a579617c253ad8c48a3569199dcc. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DEA806702201.
  date published: 2026-07-08T03:39:04Z
audio: Bach, JS: Concerto for Two Harpsichords in C Major, BWV 1061: I. —
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 112.471
  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
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  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
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Bach, JS: Concerto for Two Harpsichords in C Major, BWV 1061: II. Adagio ovvero largo
type: MusicRecording
duration: PT5M13S
duration ms: 313573
explicit: false
by artist: Johann Sebastian Bach
by artist: Gustav Leonhardt
by artist: Leonhardt-Consort
by artist: Anneke Uittenbosch
in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
  type: MusicAlbum
  date published: 2022-01-28
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA806702202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:19:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/DEA806702202
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdf8fed09c0a4b6a0c5c81b56ff8f49eb43be8fff42eca2fb8a40018a5706648. 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/DEA806702202.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Concerto for Two Harpsichords in C Major, BWV 1061: II. Adagio ovvero largo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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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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  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)
    type: PropertyValue
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  additional property: Key Name
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Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1062: I. —
type: MusicRecording
duration: PT3M54S
duration ms: 234173
explicit: false
by artist: Johann Sebastian Bach
by artist: Gustav Leonhardt
by artist: Leonhardt-Consort
by artist: Eduard Müller
in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
  type: MusicAlbum
  date published: 2022-01-28
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA806200901
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-31T13:29:25+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f46ef0b08febb9cebd9bde4c797e1bb05fb7e00d0a0ff8d540085e46d35eb9c. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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/DEA806200901.
  date published: 2026-07-31T15:20:33Z
audio: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1062: I. —
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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)
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Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1062: III. Allegro assai
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duration: PT4M50S
duration ms: 290666
explicit: false
by artist: Johann Sebastian Bach
by artist: Gustav Leonhardt
by artist: Leonhardt-Consort
by artist: Eduard Müller
in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
  type: MusicAlbum
  date published: 2022-01-28
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA806200903
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/0x7e84ccab2d036e90f550bd8062c03808a5e3f13d1da160a8000e5497ee1799f1
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/DEA806200903
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e84ccab2d036e90f550bd8062c03808a5e3f13d1da160a8000e5497ee1799f1. 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/DEA806200903.
  date published: 2026-07-08T03:22:41Z
audio: Bach, JS: Concerto for Two Harpsichords in C Minor, BWV 1062: III. Allegro assai
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    type: PropertyValue
    value: -17.415
  additional property: Key Name
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Bach, JS: Concerto for Three Harpsichords in D Minor, BWV 1063: I. —
type: MusicRecording
duration: PT5M6S
duration ms: 306266
explicit: false
by artist: Johann Sebastian Bach
by artist: Gustav Leonhardt
by artist: Leonhardt-Consort
by artist: Alan Curtis
by artist: Anneke Uittenbosch
in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
  type: MusicAlbum
  date published: 2022-01-28
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA806300501
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-07-31T10:23:23+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806300501
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d29359b3faeec4359d63bcd32c05a9e092e54862ec06d1f2702560202b818f7. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEA806300501.
  date published: 2026-07-31T12:24:41Z
audio: Bach, JS: Concerto for Three Harpsichords in D Minor, BWV 1063: I. —
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 110.905
  additional property: Musical Key
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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: 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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    type: PropertyValue
    value: -18.73
  additional property: Key Name
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Bach, JS: Concerto for Three Harpsichords in D Minor, BWV 1063: III. Allegro
type: MusicRecording
duration: PT5M3S
duration ms: 303666
explicit: false
by artist: Johann Sebastian Bach
by artist: Gustav Leonhardt
by artist: Leonhardt-Consort
by artist: Alan Curtis
by artist: Anneke Uittenbosch
in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
  type: MusicAlbum
  date published: 2022-01-28
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA806300503
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-07-30T17:57:09+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960291
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806300503
additional property: OTSTimestamp
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  value: 2026-07-30T18:23:33Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db3a56f277cec1097bf283fd7d7432a7e94b5c4a631659f28d024ecab73354a. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/DEA806300503.
  date published: 2026-07-30T18:23:33Z
audio: Bach, JS: Concerto for Three Harpsichords in D Minor, BWV 1063: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 111.464
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Bach, JS: Concerto for Four Harpsichords in A Minor, BWV 1065: I. —
type: MusicRecording
duration: PT4M38S
duration ms: 278506
explicit: false
by artist: Johann Sebastian Bach
by artist: Gustav Leonhardt
by artist: Leonhardt-Consort
by artist: Anneke Uittenbosch
by artist: Eduard Müller
by artist: Janny van Wering
in album: Bach: Concertos for 2, 3 & 4 Harpsichords, BWV 1060 - 1065
  type: MusicAlbum
  date published: 2022-01-28
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA806201101
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-07-07T16:45:30+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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