1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6ef699c38d03801686e756dc66b9a8d6a9c087533d55bb3292615dc65baab1f. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fba5ae9f-00db-4b71-9a39-3560a47b4fc8.json and https://artists.proofprofile.net/proofs/artist/fba5ae9f-00db-4b71-9a39-3560a47b4fc8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vivaldi: Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
Maurice André/Bernard Soustrot/Academy of St Martin-in-the-Fields/Sir Neville Marriner
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Vivaldi: Concerto for 2 Trumpets in C Major, RV 537: II. Largo
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Vivaldi: Concerto for 2 Trumpets in C Major, RV 537: III. Allegro
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Handel: Suite in D Major for Trumpet and Strings: I. Overture
Württembergisches Kammerorchester Heilbronn
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Handel: Suite in D Major for Trumpet and Strings: II. Gigue (Allegro)
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Clarke: Prince of Denmark's March, "Trumpet Voluntary" (Arr. for Trumpet)
Crispian Steele-Perkins/City of London Baroque Sinfonia/Richard Hickox
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Torelli: Trumpet Concerto in D Major: I. Allegro
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Torelli: Trumpet Concerto in D Major: III. Allegro
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Mozart, L.: Trumpet Concerto in D Major: II. Allegro moderato
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Goedicke: Etude concertante in G Minor for Trumpet and Piano, Op. 49
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Baroque Trumpet (The Art Of The), Vol. 5
Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
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Concerto for 2 Trumpets in C Major, RV 537: II. Largo
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Concerto for 2 Trumpets in C Major, RV 537: III. Allegro
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Sonata a 4 in D Major, WoO 4: III. Grave
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Sonata a 4 in D Major, WoO 4: V. Allegro
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Trumpet Concerto in D Major, G. 28: I. Allegro
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Trumpet Concerto in D Major, G. 28: IV. Adagio
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Trumpet Concerto in D Major, G. 28: V. Allegro
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Sinfonia avanti il Barcheggio for Trumpet, 2 Violins and Continuo: III. Allegro
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Sinfonia avanti il Barcheggio for Trumpet, 2 Violins and Continuo: IV. Allegro
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Sonata a 7 for 2 Trumpets in D Major: I. Grave
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Sonata a 7 for 2 Trumpets in D Major: II. Allegro
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Sonata a 7 for 2 Trumpets in D Major: III. Adagio
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The 4 Seasons: Violin Concerto in G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): III. Presto
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Art & Music: Canaletto - Music of His Time
The Nutcracker, Op. 71, Act II Tableau III: Pas de deux: The Prince and the Sugar-Plum Fairy
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Christmas Festive Concert - Bach, J.S. / Handel, G.F. / Praetorius, M. / Manfredini, F.O. / Mendelssohn, Felix / Gabrieli, G.
The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): The Four Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "Spring": I. Allegro
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The 4 Seasons: Violin Concerto in F Major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): I. Allegro
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Concerto for Strings in G Major, RV 151, "Alla Rustica"
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Flute Concerto in F Major, Op. 10, No. 1, RV 433, "La tempesta di mare"
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Mandolin Concerto in C Major, RV 425: I. Allegro
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The 4 Seasons - Violin Concerto in G Minor, RV 315, "L'estate" (Summer): III. Presto
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Chamber (Lute) Concerto in D Major, RV 93: I. Allegro
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The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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Concerto in C Major, RV 444: Sopranino Recorder Concerto in C Major, RV 444
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Chamber Music (Baroque Italian) - Gabrieli, G. / Lappi, P. / Guami, G. / Gussago, C. / Massaino, T. / Frescobaldi, G. (Canzonas)
Sacrae symphoniae (1597): Sonata pian e forte
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Torelli: The Complete Works for 1, 2, 4 Trumpets & Orchestra
Trumpet Recital: Friedrich, Reinhold - Stradella, A. / Corelli, A. / Marcello, A. / Torelli, G. / Albinoni, T.G.
Bach, J.S.: Brandenburg Concertos, Bwv 1046-1051
Trombone and Trumpet Arrangements - Hingeston, J. / Stanley, J. / Vivaldi, A. / Corelli, A. / Frescobaldi, G.A.
Brahms, Rossini & Schubert: Choral Works