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description: Charles Neidich (born 1953 in New York City) is an American classical clarinetist, composer, and conductor. Early career A native New Yorker of Russian and Greek descent, Charles Neidich began his cl
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  track: Bassoon Concerto in B Flat Major, K. 191: I. Allegro - Cadenza: Frank Morelli
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  track: Clarinet Concerto in A Major, K. 622: I. Allegro - Cadenza: Charles Neidich
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album: Chausson: Poème, Piano Trio and Other Chamber Music
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album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
album: Riegger: Music for Piano & Winds
album: Schoenfield: Cafe Music
album: The Naumburg Foundation Recordings, 1980-2001: The Instrumentalists
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album: Mozart: Complete Wind Concertos
album: Stravinsky: Histoire Du Soldat Suite - Renard
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album: Meditation - Relaxing Classics
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album: Free Game
album: 50 Meisterwerke von Mozart
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album: Music of Elliott Carter, Vol. 8
album: Guten Morgen! - Klassik zum Frühstück
album: American Composers at Play: William Bolcom, Ricky Ian Gordon, Lori Laitman, John Musto
album: Composers in New York
album: Schoenberg: String Trio - 4 Pieces for Mixed Chorus - 3 Satires - Suite
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album: The Naumburg Recordings: 1985 First Prize, International Clarinet Competition - Charles Neidich
album: Mozart: Clarinet Concerto; Horn Concertos Nos.1 K.412 & 4 K.495
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Clarinet Concerto No. 1 in F Minor, Op. 73: III. Rondo: Allegretto
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Concertino for Clarinet and Orchestra in E-Flat, Op. 26: Allegro
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Clarinet Concerto No. 1 in F Minor, Op. 73: I. Allegro
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Oboe Concerto in C Major, K. 314: I. Allegro aperto - Cadenza: Randall Wolfgang
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Serenade in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro
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Divertimento No. 11 in D Major, K. 251 "Nannerl-Septett": I. Molto allegro
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Sinfonia concertante in E Flat Major for Oboe, Clarinet, Horn, Bassoon and Orch., K. 297b: II. Adagio
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Bassoon Concerto in B Flat Major, K. 191: II. Andante ma adagio - Cadenza: Frank Morelli
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Oboe Concerto in C Major, K. 314: II. Adagio non troppo - Cadenza: Randall Wolfgang
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Serenade in G Major, K. 525 "Eine kleine Nachtmusik": II. Romance (Andante)
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duration: PT5M43S
duration ms: 343640
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by artist: Wolfgang Amadeus Mozart
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
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popularity: 7
genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Serenade in G Major, K. 525 "Eine kleine Nachtmusik": II. Romance (Andante)
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Sinfonia concertante in E Flat Major for Oboe, Clarinet, Horn, Bassoon and Orch., K. 297b: III. Andantino con variazioni
type: MusicRecording
duration: PT8M37S
duration ms: 517240
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Stephen Taylor
by artist: David Singer
by artist: William Purvis
by artist: Steven Dibner
by artist: Orpheus Chamber Orchestra
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popularity: 13
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Sinfonia concertante in E Flat Major for Oboe, Clarinet, Horn, Bassoon and Orch., K. 297b: III. Andantino con variazioni
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Bassoon Concerto in B Flat Major, K. 191: III. Rondo. Tempo di Menuetto - Cadenza: Frank Morelli
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by artist: Wolfgang Amadeus Mozart
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by artist: Orpheus Chamber Orchestra
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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: 2026-07-02T05:09:12Z
audio: Bassoon Concerto in B Flat Major, K. 191: III. Rondo. Tempo di Menuetto - Cadenza: Frank Morelli
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Oboe Concerto in C Major, K. 314: III. Rondo (Allegretto) - Cadenza: Randall Wolfgang
type: MusicRecording
duration: PT5M38S
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by artist: Wolfgang Amadeus Mozart
by artist: Randall Wolfgang
by artist: Orpheus Chamber Orchestra
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genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Oboe Concerto in C Major, K. 314: III. Rondo (Allegretto) - Cadenza: Randall Wolfgang
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Serenade in G Major, K. 525 "Eine kleine Nachtmusik": III. Menuetto (Allegretto)
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duration: PT2M12S
duration ms: 132293
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by artist: Wolfgang Amadeus Mozart
by artist: Orpheus Chamber Orchestra
in album: Mozart, W.A.: The Wind Concertos / Serenades / Divertimenti
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popularity: 6
genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Serenade in G Major, K. 525 "Eine kleine Nachtmusik": III. Menuetto (Allegretto)
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Divertimento No. 11 in D Major, K. 251 "Nannerl-Septett": III. Andantino
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duration: PT4M31S
duration ms: 271000
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by artist: Orpheus Chamber Orchestra
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popularity: 25
genre: classical
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Divertimento No. 11 in D Major, K. 251 "Nannerl-Septett": III. Andantino
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Clarinet Concerto in A Major, K. 622: I. Allegro - Cadenza: Charles Neidich
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by artist: Orpheus Chamber Orchestra
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popularity: 13
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: 2026-07-02T03:30:09Z
audio: Clarinet Concerto in A Major, K. 622: I. Allegro - Cadenza: Charles Neidich
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Horn Concerto No. 2 in E Flat Major, K. 417: I. Allegro maestoso
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Flute Concerto No. 1 in G Major, K. 313: I. Allegro maestoso - Cadenza and Lead-in: Susan Palma
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  date published: 2026-07-02T03:55:08Z
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Serenade in G Major, K. 525 "Eine kleine Nachtmusik": IV. Rondo (Allegro)
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Divertimento No. 11 in D Major, K. 251 "Nannerl-Septett": IV. Menuetto (Tema con Variazioni I-III)
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audio: Divertimento No. 11 in D Major, K. 251 "Nannerl-Septett": IV. Menuetto (Tema con Variazioni I-III)
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Clarinet Concerto in A Major, K. 622: II. Adagio - Cadenza: Charles Neidich
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Horn Concerto No. 2 in E Flat Major, K. 417: II. Adagio
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Flute Concerto No. 1 in G Major, K. 313: II. Adagio ma non troppo - Cadenza and Lead-in: Susan Palma
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Serenata notturna in D Major, K. 239: I. Marcia (Maestoso)
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Divertimento No. 11 in D Major, K. 251 "Nannerl-Septett": V. Rondeau. Allegro assai
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Clarinet Concerto in A Major, K. 622: III. Rondo (Allegro)
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Horn Concerto No. 2 in E Flat Major, K. 417: III. Rondo. Allegro - Cadenza: William Purvis
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Flute Concerto No. 1 in G Major, K. 313: III. Rondo. Tempo di Menuetto - Cadenza and Lead-in: Susan Palma
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Divertimento No. 11 in D Major, K. 251 "Nannerl-Septett": VI. Marcia alla francese
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Andante for Flute and Orchestra in C Major, K. 315 - Cadenza: Susan Palma
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subject of: OpenTimestamps Proof of Existence
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audio: Andante for Flute and Orchestra in C Major, K. 315 - Cadenza: Susan Palma
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Horn Concerto No. 1 in D Major, K. 412: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Horn Concerto No. 1 in D Major, K. 412: I. Allegro
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Concerto for Flute, Harp, and Orchestra in C Major, K. 299: I. Allegro - Cadenza: Susan Palma and Bernard Rose
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: I. Allegro - Cadenza: Susan Palma and Bernard Rose
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Serenata notturna in D Major, K. 239: III. Rondeau
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-13T07:53:33Z
audio: Serenata notturna in D Major, K. 239: III. Rondeau
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Horn Concerto No. 1 in D Major, K. 412: II. Rondo. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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Ein musikalischer Spass, K. 522: I. Allegro
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Divertimento No. 2 in D Major, K. 131: II. Adagio
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Divertimento No. 2 in D Major, K. 131: II. Adagio
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Horn Concerto No. 3 in E Flat Major, K. 447: I. Allegro - Cadenza: William Purvis
type: MusicRecording
duration: PT7M38S
duration ms: 458573
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by artist: Wolfgang Amadeus Mozart
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by artist: Orpheus Chamber Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Horn Concerto No. 3 in E Flat Major, K. 447: I. Allegro - Cadenza: William Purvis
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Concerto for Flute, Harp, and Orchestra in C Major, K. 299: III. Rondeau. Allegro - Cadenza: Susan Palma and Bernard Rose
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duration: PT8M52S
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by artist: Wolfgang Amadeus Mozart
by artist: Susan Palma-Nidel
by artist: Bernard Rose
by artist: Nancy Allen
by artist: Orpheus Chamber Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: III. Rondeau. Allegro - Cadenza: Susan Palma and Bernard Rose
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Ein musikalischer Spass, K. 522: II. Menuetto (Maestoso) - Trio
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T01:25:57Z
audio: Ein musikalischer Spass, K. 522: II. Menuetto (Maestoso) - Trio
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Horn Concerto No. 3 in E Flat Major, K. 447: II. Romance (Larghetto)
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by artist: Orpheus Chamber Orchestra
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Horn Concerto No. 3 in E Flat Major, K. 447: II. Romance (Larghetto)
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Horn Concerto No. 3 in E Flat Major, K. 447: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Horn Concerto No. 3 in E Flat Major, K. 447: III. Allegro
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Ein musikalischer Spass, K. 522: IV. Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Horn Concerto No. 4 in E Flat Major, K. 495: I. Allegro maestoso - Cadenza: David Jolley after Dennis Brain
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Horn Concerto No. 4 in E Flat Major, K. 495: II. Romanza (Andante)
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  audio: 3 Songs, Op. 18: Erlosung (from Des Knaben Wunderhorn)
track: 3 Songs, Op. 18: Ave Regina coelorum
track: String Trio, Op. 20: I. Sehr langsam
track: String Trio, Op. 20: II. Sehr getragen und ausdrucksvoll
track: Quartet, Op. 22: II. Sehr schwungvoll
track: Variations for Piano, Op. 27: III. Ruhig fliessend
track: 6 Pieces, Op. 6 (revised version): I. Langsam
track: 6 Pieces, Op. 6 (revised version): VI. Langsam
track: 4 Pieces, Op. 7: I. Sehr langsam
track: 4 Pieces, Op. 7: II. Rasch
track: 4 Pieces, Op. 7: IV. Bewegt
track: 3 Little Pieces, Op. 11: I. Massige
track: Concerto for 9 Instruments, Op. 24: II. Sehr rasch
track: 6 German Dances, D. 820 (arr. A. Webern): I. --

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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x074176d257eccfa6dead9ee54a67d59ea8b07636fcafc4f0eec952275000bfc7. 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/HKI190453613.
  date published: 2026-07-08T03:20:19Z
audio: 3 Songs, Op. 18: Ave Regina coelorum
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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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    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.528
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

String Trio, Op. 20: I. Sehr langsam
type: MusicRecording
duration: PT3M50S
duration ms: 230866
explicit: false
by artist: Anton Webern
by artist: Ani Kavafian
by artist: Richard O'Neill
by artist: Fred Sherry
in album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
  type: MusicAlbum
  date published: 2005-01-02
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: HKI190453614
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/0x552e23151f0b5ca2010a4ada5dae1623dc56a8ab8da92eb4fffe207b2ef4b947
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190453614
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552e23151f0b5ca2010a4ada5dae1623dc56a8ab8da92eb4fffe207b2ef4b947. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190453614.
  date published: 2026-07-08T03:53:27Z
audio: String Trio, Op. 20: I. Sehr langsam
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  additional property: Danceability
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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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String Trio, Op. 20: II. Sehr getragen und ausdrucksvoll
type: MusicRecording
duration: PT5M57S
duration ms: 357640
explicit: false
by artist: Anton Webern
by artist: Ani Kavafian
by artist: Richard O'Neill
by artist: Fred Sherry
in album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
  type: MusicAlbum
  date published: 2005-01-02
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: HKI190453615
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/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190453615
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee4d05b8beb3e4d62031c5d26dcaedd3331efcc0b9384e380e2cb21c0601bec9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190453615.
  date published: 2026-07-08T08:56:20Z
audio: String Trio, Op. 20: II. Sehr getragen und ausdrucksvoll
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  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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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
    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: Mode Name
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Quartet, Op. 22: II. Sehr schwungvoll
type: MusicRecording
duration: PT2M34S
duration ms: 154773
explicit: false
by artist: Anton Webern
by artist: Jennifer Frautschi
by artist: Christopher Oldfather
by artist: Daniel Goble
by artist: Michael Lowenstern
in album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
  type: MusicAlbum
  date published: 2005-01-02
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: HKI190453617
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:49:16+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5501158b52647ac0c29ef8fc91bed6e355e6b83c8e4927b2f152d38368ec191b
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190453617
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5501158b52647ac0c29ef8fc91bed6e355e6b83c8e4927b2f152d38368ec191b. 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/HKI190453617.
  date published: 2026-07-08T03:22:41Z
audio: Quartet, Op. 22: II. Sehr schwungvoll
  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
    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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  additional property: Mode Name
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Variations for Piano, Op. 27: III. Ruhig fliessend
type: MusicRecording
duration: PT3M28S
duration ms: 208333
explicit: false
by artist: Anton Webern
by artist: Christopher Oldfather
in album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
  type: MusicAlbum
  date published: 2005-01-02
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: HKI190453620
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190453620
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8fd0cb2653910afdd064eedb82545e0cf09f186166ceddf034c26749b11090. 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/HKI190453620.
  date published: 2026-07-08T03:20:19Z
audio: Variations for Piano, Op. 27: III. Ruhig fliessend
  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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    type: PropertyValue
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  additional property: Danceability
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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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  additional property: Key Name
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  additional property: Mode Name
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6 Pieces, Op. 6 (revised version): I. Langsam
type: MusicRecording
duration: PT1M18S
duration ms: 78666
explicit: false
by artist: Anton Webern
by artist: Philharmonia Orchestra
by artist: Robert Craft
in album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
  type: MusicAlbum
  date published: 2005-01-02
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: HKI190453621
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190453621
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b19a13fd4856fec45be1484d520695f6905c984a7758f5905a53c914ee1007. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190453621.
  date published: 2026-07-02T03:30:09Z
audio: 6 Pieces, Op. 6 (revised version): I. Langsam
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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6 Pieces, Op. 6 (revised version): VI. Langsam
type: MusicRecording
duration: PT1M52S
duration ms: 112200
explicit: false
by artist: Anton Webern
by artist: Philharmonia Orchestra
by artist: Robert Craft
in album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
  type: MusicAlbum
  date published: 2005-01-02
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: HKI190453626
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: 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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  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe43d63b68a0ab9d8bdf73e4f6bb72ba5c3f840e12757cb627fccc3a01b76ce04. 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/HKI190453626.
  date published: 2026-07-08T03:20:19Z
audio: 6 Pieces, Op. 6 (revised version): VI. Langsam
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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4 Pieces, Op. 7: I. Sehr langsam
type: MusicRecording
duration: PT1M12S
duration ms: 72533
explicit: false
by artist: Anton Webern
by artist: Jesse Mills
by artist: Christopher Oldfather
in album: Webern, A.: Symphony / 6 Pieces, Op. 6 / Concerto
  type: MusicAlbum
  date published: 2005-01-02
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: HKI190453627
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: 4 Pieces, Op. 7: I. Sehr langsam
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4 Pieces, Op. 7: II. Rasch
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by artist: Jesse Mills
by artist: Christopher Oldfather
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: 4 Pieces, Op. 7: II. Rasch
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4 Pieces, Op. 7: IV. Bewegt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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3 Little Pieces, Op. 11: I. Massige
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: 3 Little Pieces, Op. 11: I. Massige
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Concerto for 9 Instruments, Op. 24: II. Sehr rasch
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by artist: David Fedele
by artist: Stephen Taylor
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by artist: Christopher Gekker
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by artist: Sunghae Anna Lim
by artist: Richard O'Neill
by artist: Stephen Gosling
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for 9 Instruments, Op. 24: II. Sehr rasch
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6 German Dances, D. 820 (arr. A. Webern): I. --
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by artist: Philharmonia Orchestra
by artist: Robert Craft
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 6 German Dances, D. 820 (arr. A. Webern): I. --
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Riegger: Music for Piano & Winds
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date published: 1996-12-01

Schoenfield: Cafe Music
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track: Café Music: II. Rubato, andante moderato
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    date published: 2026-07-08T08:56:20Z
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The Naumburg Foundation Recordings, 1980-2001: The Instrumentalists
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Mozart 111 Vol. 1
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Mozart: Complete Wind Concertos
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track: Histoire du soldat Suite (The Soldier's Tale Suite): VIII. Petit / Grand Chorale
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track: Pour Picasso
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190620910
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2dec43a30520ef555c6372d2645064f0df76d103d277d5baa0046159d24687. 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/HKI190620910.
  date published: 2026-07-08T03:22:41Z
audio: Histoire du soldat Suite (The Soldier's Tale Suite): IX. Triumphal March of the Devil
  type: AudioObject
  additional property: Tempo (BPM)
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  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: 0.681
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.852
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.73
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.5
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Pour Picasso
type: MusicRecording
duration: PT0M32S
duration ms: 32119
explicit: false
by artist: Igor Stravinsky
by artist: Charles Neidich
in album: Stravinsky: Histoire Du Soldat Suite - Renard
  type: MusicAlbum
  date published: 2007-01-30
isrc code: HKI190620914
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:40:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22c591e300bff6d125aad642bf03e1dc4e7b45605a50e81180abe3144c856cf6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190620914
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22c591e300bff6d125aad642bf03e1dc4e7b45605a50e81180abe3144c856cf6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190620914.
  date published: 2026-07-08T08:56:20Z
audio: Pour Picasso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.167
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.001
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.276
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.409
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.832
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pribaoutki: No. 4. Starets i zayats (The Old Man and the Hare)
type: MusicRecording
duration: PT1M49S
duration ms: 109280
explicit: false
by artist: Igor Stravinsky
by artist: Katherine Ciesinski
by artist: Orchestra of St. Luke's
by artist: Robert Craft
in album: Stravinsky: Histoire Du Soldat Suite - Renard
  type: MusicAlbum
  date published: 2007-01-30
isrc code: HKI190620918
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:18:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b26f96d5cd08ff519b9797e4e570ada6928e3042a31dd87c44201e6393efb0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190620918
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b26f96d5cd08ff519b9797e4e570ada6928e3042a31dd87c44201e6393efb0f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190620918.
  date published: 2026-07-08T03:53:27Z
audio: Pribaoutki: No. 4. Starets i zayats (The Old Man and the Hare)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.2
  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: 0.262
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.407
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Berceuses du chat (Cat's Cradle Songs): No. 2. Kot na pechi (The Tom-Cat on the Stove)
type: MusicRecording
duration: PT0M59S
duration ms: 59506
explicit: false
by artist: Igor Stravinsky
by artist: Katherine Ciesinski
by artist: Orchestra of St. Luke's
by artist: Robert Craft
in album: Stravinsky: Histoire Du Soldat Suite - Renard
  type: MusicAlbum
  date published: 2007-01-30
isrc code: HKI190620920
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:25:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d5ca89f8e13f3ac948fb70c270a4bef2e5539fec8a78d43e45906a25830beef
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/HKI190620920
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d5ca89f8e13f3ac948fb70c270a4bef2e5539fec8a78d43e45906a25830beef. 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/HKI190620920.
  date published: 2026-07-08T03:20:19Z
audio: Berceuses du chat (Cat's Cradle Songs): No. 2. Kot na pechi (The Tom-Cat on the Stove)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.571
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.272
  additional property: Energy
    type: PropertyValue
    value: 0.015
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.057
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.313
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.939
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Berceuses du chat (Cat's Cradle Songs): No. 4. U kota, kota (O Tom-Cat, Tom-Cat)
type: MusicRecording
duration: PT0M50S
duration ms: 50880
explicit: false
by artist: Igor Stravinsky
by artist: Katherine Ciesinski
by artist: Orchestra of St. Luke's
by artist: Robert Craft
in album: Stravinsky: Histoire Du Soldat Suite - Renard
  type: MusicAlbum
  date published: 2007-01-30
isrc code: HKI190620922
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:27:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2d848223cff8be2b4ea87856561059a7f650f78379fca1d87fc291ef86d4e00
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190620922
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2d848223cff8be2b4ea87856561059a7f650f78379fca1d87fc291ef86d4e00. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190620922.
  date published: 2026-07-08T08:56:20Z
audio: Berceuses du chat (Cat's Cradle Songs): No. 4. U kota, kota (O Tom-Cat, Tom-Cat)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.331
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.513
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.275
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.37
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.23
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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Renard
type: MusicRecording
duration: PT17M31S
duration ms: 1051746
explicit: false
by artist: Igor Stravinsky
by artist: John Aler
by artist: Steven Paul Spears
by artist: David Evitts
by artist: Wilbur Pauley
by artist: Tara Helen O'Connor
by artist: Stephen Taylor
by artist: Alan R. Kay
by artist: Frank Morelli
by artist: Louis Hanzlik
by artist: William Purvis
by artist: Daniel Grabois
by artist: Chris Deane
by artist: Gordon Gottlieb
by artist: Daniel Druckman
by artist: Tom Kolor
by artist: Jennifer Frautschi
by artist: David Bowlin
by artist: Richard O'Neill
by artist: Fred Sherry
by artist: Kurt Muroki
by artist: Robert Craft
in album: Stravinsky: Histoire Du Soldat Suite - Renard
  type: MusicAlbum
  date published: 2007-01-30
isrc code: HKI190620923
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:03:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc29502d5e70cb20edcce8ba3c6340bdb2602296e55364891019b4ebc7b250e3
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/HKI190620923
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc29502d5e70cb20edcce8ba3c6340bdb2602296e55364891019b4ebc7b250e3. 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/HKI190620923.
  date published: 2026-07-08T03:20:19Z
audio: Renard
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.111
  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: 0.514
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.485
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Scherzo a la russe (original Jazz band version, 1944)
type: MusicRecording
duration: PT3M37S
duration ms: 217720
explicit: false
by artist: Igor Stravinsky
by artist: Orchestra of St. Luke's
by artist: Robert Craft
in album: Stravinsky: Histoire Du Soldat Suite - Renard
  type: MusicAlbum
  date published: 2007-01-30
isrc code: HKI190620929
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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/HKI190620929
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1701fa4aff90c6475a338177f67994a2a90a63f684b7a5c3610bd6d5206347e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI190620929.
  date published: 2026-06-13T17:25:41Z
audio: Scherzo a la russe (original Jazz band version, 1944)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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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
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.085
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Baby-Klassik - Mozart für kleine Genies
type: MusicAlbum
date published: 2014-10-03
track: Eine kleine Nachtmusik, K. 525: III. Menuetto. Allegretto
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133826
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Orpheus Chamber Orchestra
  in album: Baby-Klassik - Mozart für kleine Genies
    type: MusicAlbum
    date published: 2014-10-03
  genre: classical
  genre: classical-era
  isrc code: DEF058501824
  additional property: CopyrightID
  additional property: CopyrightStatus
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Piano Concerto No. 27 in B-Flat Major, K. 595: III. Allegro - Excerpt
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Les petits riens, Ballet, K. 299b: No. 1, Larghetto
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Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romance. Larghetto
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Violin Sonata in F Major, K. 547 "Für Anfänger": I. Andantino cantabile
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Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": III. Rondo (Allegretto) - Live
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Mozart: Clarinet Concerto; Oboe Concerto; Bassoon Concerto
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track: Requiem, K. 626: IIIf. Lacrimosa
track: Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
track: Clarinet Concerto in A Major, K. 622: II. Adagio (Cadenza: Neidich)
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track: Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
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audio: Requiem, K. 626: IIIf. Lacrimosa
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Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
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Clarinet Concerto in A Major, K. 622: II. Adagio (Cadenza: Neidich)
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Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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Vesperae solennes de Confessore, K. 339: V. Laudate Dominum
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Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
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Violin Concerto No. 3 in G Major, K. 216: II. Adagio (Cadenza: Levin)
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Exsultate, jubilate, K. 165: IV. Alleluja. Allegro
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track: Die Zauberflöte, K. 620: March of the Priests
track: Symphony No. 41 in C Major, K. 551, "Jupiter": I. Allegro vivace
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Symphony No. 41 in C Major, K. 551, "Jupiter": I. Allegro vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
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Die Zauberflöte: Dies Bildnis ist bezaubernd schön
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subject of: OpenTimestamps Proof of Existence
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Symphony No. 41 in C Major, K. 551, "Jupiter": II. Andante cantabile
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Symphony No. 41 in C Major, K. 551, "Jupiter": II. Andante cantabile
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Symphony No. 41 in C Major, K. 551, "Jupiter": III. Menuetto: Allegretto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Symphony No. 41 in C Major, K. 551, "Jupiter": III. Menuetto: Allegretto
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Serenade No. 9 in D Major, K. 320 "Posthorn": III. Concertante - Andante grazioso
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Piano Concerto No. 21 in C Major, K. 467, "Elvira Madigan": II. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Piano Concerto No. 21 in C Major, K. 467, "Elvira Madigan": II. Andante
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Concerto in C Major for Flute, Harp and Orchestra, K. 299: II. Andantino
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subject of: OpenTimestamps Proof of Existence
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Piano Sonata in A Major, K. 331: III. Alla turca. Allegretto
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Concerto No. 5 in A Major for Violin and Orchestra, K. 219 "Turkish": I. Allegro aperto
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Meditation - Relaxing Classics
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track: Clarinet Concerto in A Major, K. 622: II. Adagio (Cadenza: Neidich)
track: Peer Gynt Suite No. 2, Op. 55: 4. Solveig's Song
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OpenTimestamps Proof of Existence
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Clarinet Concerto in A Major, K. 622: II. Adagio (Cadenza: Neidich)
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Peer Gynt Suite No. 2, Op. 55: 4. Solveig's Song
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Les noces de Jeanette: Air du rossignol (Arr. Pierre for Flute & Orchestra)
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Cello Concerto in B flat major, G 482: 2. Adagio non troppo
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track: Fantasia on Greensleeves
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date published: 2026-07-08T03:53:27Z

Fantasía para un gentilhombre For Guitar And Small Orchestra: 2. Españoleta
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Mozart: Clarinet Quintet in A Major, K. 581
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Free Game
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50 Meisterwerke von Mozart
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Weber: Clarinet Concertos / Rossini: Introduction, Theme and Variations
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    date published: 2026-07-08T03:22:41Z
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track: Clarinet Concerto No. 2 in E-Flat Major, Op. 74, J. 118: II. Romanza: Andante
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Var. IV: Largo minore - Più mosso - A tempo
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Music of Elliott Carter, Vol. 8
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Guten Morgen! - Klassik zum Frühstück
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The Tale of Tsar Saltan: Flight of the Bumblebee (Arr. Feygin for String Orchestra)
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Concerto A 5 in D Major, Op. 7, No. 6 for Oboe, Strings and Continuo: 1. Allegro
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String Quintet in E Major, G. 275: III. Menuetto
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Symphony No. 8 in F Major, Op. 93: II. Allegretto scherzando - Recorded 1984
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Clarinet Concerto in A Major, K. 622: III. Rondo (Allegro)
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Sylvia, Suite: 3. Pizzicati
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American Composers at Play: William Bolcom, Ricky Ian Gordon, Lori Laitman, John Musto
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Clarinet Concerto in A Major, K. 622: III. Rondo (Allegro)
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Horn Concerto No. 1 in D Major, K. 412: I. Allegro
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Horn Concerto No. 1 in D Major, K. 412: II. Rondo. Allegro
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Horn Concerto No. 4 in E Flat Major, K. 495: I. Allegro maestoso - Cadenza: David Jolley after Dennis Brain
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by artist: Wolfgang Amadeus Mozart
by artist: Orpheus Chamber Orchestra
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Horn Concerto No. 4 in E Flat Major, K. 495: I. Allegro maestoso - Cadenza: David Jolley after Dennis Brain
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Horn Concerto No. 4 in E Flat Major, K. 495: II. Romanza (Andante)
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by artist: Wolfgang Amadeus Mozart
by artist: David Jolley
by artist: Orpheus Chamber Orchestra
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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: 2026-07-06T01:26:17Z
audio: Horn Concerto No. 4 in E Flat Major, K. 495: II. Romanza (Andante)
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Horn Concerto No. 4 in E Flat Major, K. 495: III. Rondo (Allegro vivace)
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by artist: Orpheus Chamber Orchestra
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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: 2026-06-13T15:41:10Z
audio: Horn Concerto No. 4 in E Flat Major, K. 495: III. Rondo (Allegro vivace)
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Rossini: Overtures; Introduction, Theme and Variations for Clarinet and Orchestra
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T08:56:20Z
  audio: Tancredi: Overture
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track: Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Introduzione: Andante (sostenuto)
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  genre: classical
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Introduzione: Andante (sostenuto)
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track: Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Var. I: Più mosso
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    type: MusicAlbum
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  genre: classical
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  subject of: OpenTimestamps Proof of Existence
  audio: Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Var. I: Più mosso
track: Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Var. IV: Largo minore - Più mosso - A tempo

OTSHash
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cdacfc3f867ecf0bd01aedc2307e4cdf27abde00ea30c1157b0c73d73617b05. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103853.
date published: 2026-07-08T03:53:27Z

Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Var. I: Più mosso
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Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Var. IV: Largo minore - Più mosso - A tempo
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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: 2026-07-08T03:53:27Z
audio: Introduction, Theme and Variations for Clarinet and Orchestra in E-Flat Major - Cadenza: Charles Neidich: Var. IV: Largo minore - Più mosso - A tempo
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Mozart Makes You Smarter
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    date published: 2026-07-02T03:55:08Z
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track: Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
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    date published: 2026-07-02T05:09:12Z
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track: Piano Sonata No. 11 in A Major, K. 331: I. Tema con variazione. Andante grazioso
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track: Symphony No. 41 in C Major, K. 551 "Jupiter": III. Menuetto. Allegretto
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T05:09:12Z

Piano Sonata No. 11 in A Major, K. 331: I. Tema con variazione. Andante grazioso
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Serenade No. 10 in B-Flat Major, K. 361 "Gran partita": III. Adagio
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subject of: OpenTimestamps Proof of Existence
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Symphony No. 41 in C Major, K. 551 "Jupiter": III. Menuetto. Allegretto
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  date published: 2026-07-02T11:38:34Z
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