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 0x5966ca8f47267dfb5abb88de30ac28c5f6abd06f1eab761d2813c20c83f9ef76. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7477b1e4-9b91-495e-ad99-2072637a5498.json and https://artists.proofprofile.net/proofs/artist/7477b1e4-9b91-495e-ad99-2072637a5498.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mozart: Piano Concerto No. 23 in A Major, K. 488: I. Allegro
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
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Mozart: Piano Concerto No. 21 in C Major, K. 467: I. Allegro maestoso (Cadenza by Zacharias)
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The Menuhin Century - Unpublished Recordings and Rarities
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The Most Relaxing Vivaldi Album In The World... Ever!
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The Four Seasons, Violin Concerto No. 2 in G Minor, RV. 315, Op. 8 No. 2 'L'estate/ Summer': III. Presto
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Violin Concerto in E-Flat Major, RV. 253, Op. 8 No. 5: I. Presto
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Violin Concerto in E-Flat Major, RV. 253 'La tempesta di mare': II. Largo
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Violin Concerto in E-Flat Major, RV. 253 'La tempesta di mare' Op. 8 No. 5: III. Presto
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Violin Concerto in B-Flat Major, RV. 362 'La caccia': I. Allegro
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Violin Concerto in A Minor, RV 356: I. Allegro
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Mandolin Concerto in C Major, RV 425: I. Allegro
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Gloria, RV 589: I. Gloria in excelsis Deo
Academy of St Martin in the Fields Chorus
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The Four Seasons, Violin Concerto in G Minor, RV 315 'Summer': I. Allegro non molto
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Stabat Mater, P. 77: I. Stabat Mater dolorosa
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Mozart: Piano Concertos Nos. 8 "Lützow", 9 "Jeunehomme", 12 & 14
Beethoven: Violinkonzert ("Masterworks")
Beethoven: Violin Concerto in D Major, Op. 61: III. Rondo. Allegro (Cadenza by Kennedy)
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Mozart: Violin Concerto No. 4 in D Major, K. 218: III. Rondeau (Andante grazioso) [Cadenza by Kennedy]
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Chopin: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 (Orch. Dębski)
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Panufnik: Old Polish Suite / Concerto in Modo Antico / Jagiellonian Triptych / Hommage A Chopin
Prokofiev: Peter and the Wolf, Op. 67 - Saint-Saëns: The Carnival of the Animals, R. 125 (As Retold by the Owl)
David Pituch Plays New Compositions for the Eb Alto Saxophone
Wolfgang Amadeus Mozart: 4 Hornkonzerte K. 495, K. 447, K. 412, K. 417
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Mozart, Vivaldi, Bach, Bartók & Elgar: Orchestral Works (Live)
Lidholm: Nausikaa Alone / Greetings From an Old World / Kontakion
Bartók: Divertimento - Britten: Variations on a Theme of Frank Bridge
Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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Vivaldi: Guitar Concerto in D Major, RV 93: II. Largo
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Vivaldi: Guitar Concerto in D Major, RV 93: III. Allegro
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Vivaldi: Flute Concerto in D Major, Op. 10 No. 3, RV 428 "Il gardellino": II. Cantabile
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Vivaldi: Flute Concerto in D Major, Op. 10 No. 3, RV 428 "Il gardellino": III. Allegro
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Vivaldi: Mandolin Concerto in C Major, RV 425: I. Allegro
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Vivaldi: Mandolin Concerto in C Major, RV 425: II. Largo
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Vivaldi: Flute Concerto in G Minor, Op. 10 No. 2, RV 439 "La notte": V. Largo. Il Sonno
Rachel Brown/Hanover Band/Anthony Halstead
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Vivaldi: Concerto for Two Trumpets in C Major, RV 537: II. Largo
Jonathan Impett/Robert Farley/Hanover Band/Anthony Halstead
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Vivaldi: Piccolo Concerto in C Major, RV 443: I. Allegro
Orchestre de Chambre de Toulouse/Louis Auriacombe/Michel Sanvoisin
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Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air (Transcr. for Organ)
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Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
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Schubert: Ave Maria, Op. 52 No. 6, D. 839 (Orchestral Version)
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Vivaldi: The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": III. Allegro "La caccia"
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Vaughan Williams: The Lark Ascending (Excerpt)
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Brahms: 21 Hungarian Dances, WoO 1: No. 5 in G Minor (Orch. Kennedy, Lenehan, Messiter)
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Kroll: Banjo and Fiddle (Orch. Kennedy, Lenehan, Messiter)
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The Four Seasons, Violin Concerto No. 2 in G minor, RV 315 "L'estate": I. Allegro non molto
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Turandot, Act I: Non piangere, Liù! (Calaf)
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Nabucco, Act III: Va pensiero, sull'ali dorata
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Violin Concerto No. 2 in B Minor, Op. 7: III. Rondo - "La Campanella"
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Concerto for 2 Violins in A Minor, RV 522: I. Allegro
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The Barber of Seville, Act I: Largo al factotum
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La Traviata, Act I: Libiamo ne' lieti calici
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Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": II. Adagio
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Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": III. Presto
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Vivaldi: L'estro armonico, Concerto for Two Violins in A Minor, Op. 3 No. 8, RV 522 "Per eco in lontano": II. Larghetto e spiritoso
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Bach, JS: Violin Concerto No. 1 in A Minor, BWV 1041: II. Andante
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Bach, JS: Concerto for Two Violins in D Minor, BWV 1043: III. Allegro
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Bruch: Violin Concerto No. 1 in G Minor, Op. 26: I. Prelude. Allegro moderato
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Bruch: Violin Concerto No. 1 in G Minor, Op. 26: III. Finale. Allegro energico
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Elgar: Violin Concerto in B Minor, Op. 61: I. Allegro
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Beethoven: Violin Concerto in D Major, Op. 61: II. Larghetto (Live)
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Beethoven: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": III. Finale. Presto
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Vivaldi: The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": II. Adagio molto
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Vivaldi: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
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Violin Concerto in A Minor, RV 356 (Op.3 No. 6): I. Allegro
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Violin Concerto in A Minor, RV 356 (Op.3 No. 6): III. Presto
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Violin Sonata in D Minor, Op. 5 No. 12 'La Folia'
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Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': II. Allegro
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Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': III. Adagio - Allegro - Adagio
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Violin Sonata in E Minor, Op. 5 No. 8: II. Allemanda:Allegro
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Preludes, Op. 28: No. 13, Lento in F-Sharp Major
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Nocturnes, Op. 32: I. Andante sostenuto in B Major
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Waltzes, Op. 69: No. 1, Lento in A-Flat Major "Farewell Waltz"
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Waltzes, Op. 69: No. 2, Moderato in B Minor
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Tchaikovsky: The Nutcracker, Op. 71: Miniature Overture
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Handel: Messiah, HWV 56, Pt. 1, Scene 3: Chorus. "For Unto Us a Child Is Born"
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Tchaikovsky: The Nutcracker, Op. 71, Act II: No. 14c, Pas de deux. Variation II "Dance of the Sugar Plum Fairy" & No. 14d, Pas de deux. Coda
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Tchaikovsky: The Nutcracker, Op. 71, Act II: No. 13, Waltz of the Flowers
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Delius: 3 Small Tone Poems: No. 2, Sleigh Ride
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Flower duet from Lakme - Remasterisé en 1987
Orchestre Du Théatre National De L'Opéra Comique - Alain Lombard - Mady Mesple - Danielle Millet
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Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Concerto in A minor RV356 (Op. 3 No. 6): I. Allegro
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Concerto in A minor RV356 (Op. 3 No. 6): III. Presto
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Herz und Mund und Tat und Leben, BWV 147: X. Jesus bleibet meine Freude (Chorus)
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Tchaikovsky: 1812 Overture in E-Flat Major, Op. 49
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