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 0xd24787b35066fb67d08488d7e2b63dd42d67b30e9e3f75b68b9227c7e9ada91f. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65e78f05-656b-401f-ab87-7a02d848772c.json and https://artists.proofprofile.net/proofs/artist/65e78f05-656b-401f-ab87-7a02d848772c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Eine kleine Nachtmusik in G Major, K. 525: II. Romanza. Andante
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a81698ccb677d22e558846bffdb574e148ae8f3344969be8f24e2a4424968f5. 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/ITD541400330.
Flute Concerto No. 1 in G Major, K. 313: III. Rondo. Tempo di menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32c31c37919ee35d6f830fd549988911c158c0bfc3a43de41369b178f7353dc5. 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/ITD541400348.
Flute and Harp Concerto in C Major, K. 299: II. Andantino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ffac364f37b6497bb5486f9bb7c6c5c220143f1710cddc0a8d3fde6cfa7d041. 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/ITD541400351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa458cae766e2b4e4fe5226e3b1b761d40a9a5a8ac38b6ad91f4ce81c30cdb97a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD541400338.
Symphony No. 40 in G Minor, K. 550: IV. Finale. Allegro assai
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Divertimento in D Major, K. 251: II. Minuetto
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Divertimento in D Major, K. 251: III. Andatino - Allegretto
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Divertimento in D Major, K. 251: IV. Minuetto con variazione
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Divertimento in D Major, K. 251: V. Allegro assai
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Eine kleine Nachtmusik in G Major, K. 525: IV. Rondò. Allegro
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Flute and Harp Concerto in C Major, K. 299: III. Rondò. Allegro
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Flute Concerto No. 1 in G Major, K. 313: III. Rondò - Minuetto
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Piano Concerto No. 19 in F Major, K. 459: I. Allegro
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Piano Concerto No. 19 in F Major, K. 459: II. Allegretto
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Flute Concerto No. 1 in G Major, K. 313: I. Allegro maestoso
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Flute Concerto No. 1 in G Major, K. 313: II. Adagio - Allegro ma non troppo
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Flute and Harp Concerto in C Major, K. 299: I. Allegro
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ffac364f37b6497bb5486f9bb7c6c5c220143f1710cddc0a8d3fde6cfa7d041. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITD541400351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bd76a080f69081631d661246b278b0939856eed5fcfaa64bf1c47cf0bf97547. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITD541400352.
Collana Musica sinfonica e strumentale: Concerti per flauto, arpa e orchestra
Collana Musica sinfonica e strumentale: Sei sonate per clavicembalo, flauto e violoncello
Chaminade: 6 Romances sans paroles, Op. 76: No. 6, Meditation
Fauré: 3 Songs, Op. 7: No. 1, Après un rêve
5 Lieder, Op. 49: No. 4, Wiegenlied - Brahms's Lullaby
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Trois gymnopédies: No. 1, Lent et douloureux - Arr. for String Orchestra by Matt Naughtin
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Trois gymnopédies: No. 2, Lent et triste - Arr. for String Orchestra by Matt Naughtin
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Trois gymnopédies: No. 3, Lent et grave - Arr. for String Orchestra by Matt Naughtin
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Schwanengesang, D. 957: Ständchen - Arr. for String Orchestra by Matt Naughtin
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The Snow Maiden, Op. 12 "Snégourotchka": X. Melodrama
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Serenade for Strings in E Major, Op. 22: IV. Larghetto
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Tosca: "Vissi d'arte" - Instrumental Version
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14 Romances, Op. 34: No. 14, Vocalise - For Cello and String Orchestra
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Gianni Schicchi, SC 88: "O Mio Babbino Caro" - Arr. for String Orchestra
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Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII. Andante cantabile
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Suite from the Gadfly, Op. 97a: VIII. Romance
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air on the G String
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Thaïs, DO 24, Act II: "Méditation" - Arr. for Cello and Orchestra - Live
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The Carnival of the Animals: XIII, The Swan
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The Carnival of the Animals: XIII. The Swan - Arr. for Piano
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Concierto de Aranjuez: II. Adagio - Arr. for Piano
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight Sonata": I. Adagio sostenuto - Arr. for Piano
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Suite for Variety Orchestra: VII. Waltz No. 2 - Arr. for Piano
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Piano Concerto No. 1, Op. 23: I. Andante non troppo e molto maestoso - Allegro con spirito - Arr. for Piano Solo
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Nocturne No. 6: Le lac de Côme, Op. 24 - Arr. for Piano
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4 Ballades, Op. 38: No. 2 in F Major - Arr. for Piano
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Fantaisie-Impromptu in C-Sharp Minor, Op. 66
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Liebesträume, S. 541: No. 3 in A-Flat Major
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Études, Op. 10: No. 3 in C Major, Tristesse
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Suite bergamasque, L. 75: III. Clair de lune
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Nocturnes, Op. 9: No. 2 in E-Flat Major, Andante
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Salut d'amour in E Major, Op. 12 - Arr. for Piano
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Gianni Schicchi: "O Mio Babbino Caro" - Arr. for Piano
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Pomp and Circumstance Marches, Op. 39: No. 1 in D Major - Arr. for Piano
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Canon and Gigue in D Major: Canon - Arr. for Piano
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air on the G String - Arr. for Piano
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Peer Gynt Suite No. 1, Op. 46: Morning Mood - Arr. for Piano
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude - Arr. for Piano
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Piano Sonata No. 11 in A Major, K. 331: I. Andante grazioso
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Concerti grossi, Op. 6, No. 9 in F Major: I. Preludio
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Concerti grossi, Op. 6, No. 9 in F Major: II. Allemanda
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Concerti grossi, Op. 6, No. 9 in F Major: III. Corrente
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Lucio Silla, K. 135, Overture: II. Andante
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Piano Sonata in B-Flat Major, K. 333: II. Andante cantabile
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Piano Sonata in B-Flat Major, K. 333: III. Allegretto grazioso
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Andante for Flute and Orchestra in C Major, K. 315
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Piano Sonata No. 17 in B-Flat Major, K. 570: II. Adagio
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Piano Concerto No. 19 in F Major, K. 459: III. Allegro assai
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Flute Concerto No. 2 in D Major, K. 314: II. Andante ma non troppo
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Symphony No. 41 in C Major, K. 551 "Jupiter": II. Andante cantabile
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Divertimento No. 1 in E-Flat Major, K. 113: II. Andante - Live Recording
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W. A. Mozart : Requiem Kv. 626 / Eine Kleine Nachtmusik divertimenti / Concertos for Flute, Harp and Orchestra / Concertos for Violin and Orchestra 3-5
Concerto for Flute and Orchestra In G Major, Kv. 313. Allegro maestoso
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Divertimento in D Major, K. 136 "Salzburg Symphony No. 1": I. Allegro - Live Recording
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The Essential Classical Masterpieces: Mozart Greatest Compositions
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