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 0xa95c9ea253693d0294f01b42baeec9a1e1fb245f8aa7097950e7b3dee019a635. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/136e0c4e-bfa0-47d5-b511-3b6b49ebac6c.json and https://artists.proofprofile.net/proofs/artist/136e0c4e-bfa0-47d5-b511-3b6b49ebac6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gismondo, re di Polonia / Act 1: "Nave altera"
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 0x7d6f32b3f4aef22220059b42307528741bdbd7b1c2efcef5786213dc405fe340. 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/DEN961903080.
L‘Ernelinda / Act 1: "Nube di denso orrore"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee6491ae9f4f43efba6aeb629a0514e3c5d78ca4680b164c992e6d350f8e7e62. 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/DEN961903020.
Oreste, HWV A11 - Act 1: "Agitato da fiere tempeste"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f39e856e7111112335fd263ed27805d161052dc4ea825e58f6038cb77359ddf. 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/DEN961730301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9175b0f7e835f00ea3ee3ea39b59b3849586d3c9f7a9e94ae0e5d8ce2f7d3050. 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/DEN961730302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5faa1a85e31509b5beb40acb5c63180e320f98091ce79c26d9ce0fe444f135b6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961730303.
Serse, HWV 40 / Act 3: "Crude furie degli orridi abissi"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1e5e31337067d14646049d49e24bf67650d76638e962a95d562d6408448a094. 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/DEN961730304.
Rinaldo, HWV 7a / Act 1: "Cara sposa, amante cara"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b064d4c1a3bc006dd38b946a99a767b33ae705a19d571e3169fc13ac44f4ee3. 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/DEN961730305.
Rinaldo, HWV 7a / Act 1: "Venti, turbini, prestate"
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Imeneo, HWV 41 - Act 1: "Se potessero i sospir’ miei"
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Il pastor fido, HWV 8a - Act 2: "Sento brillar nel sen"
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Rodelinda, HWV 19 - Act 1: "Dove sei amato bene"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f378be8de2b7c26d21e3c1886aed8ed3593fc639d1ce353eaa937d45fb8883c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961730310.
Giulio Cesare in Egitto, HWV 17 / Act 2: "Se in fiorito ameno prato"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7ed2418a8c23fcd0f11e31c656acee3972d3b517cd0a5bc6e8bc5b00265e54. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961730311.
Ariodante, HWV 33 / Act 2: "Scherza infida, in grembo al drudo"
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Vinci: L‘Ernelinda: "Sorge talora fosca l'aurora"
Vinci: Il trionfo di Camilla: "Sembro quell'usignuolo"
Vinci: L'Ernelinda: "Sull'ali del suo amor"
Handel: Serse, HWV 40 / Act 1, "Ombra mai fu"
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Benda, Graun, Saint-Georges, Sirmen: Violin Concertos
Bach, JS: Violin Concerto No. 1 in A Minor, BWV 1041: I. Allegro moderato
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Bach, JS: Violin Concerto No. 2 in E Major, BWV 1042: II. Adagio
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Bach, JS: Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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Bach, JS: Concerto for 2 Violins in D Minor, BWV 1043: III. Allegro
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Bach, JS / Arr Forkel: Violin Concerto No. 5 in G Minor, BWV 1056R: III. Presto (Arr. Forkel)
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Saint-Georges: Violin Concerto in D Major
Joseph Boulogne Chevalier de Saint-Georges
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Violin Concerto in D Major: III. Rondeau
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Weihnachtsklassik zum Frühstück im Advent
La Gioconda, Op. 9, Act III: Dance of the Hours (Excerpt)
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The Four Seasons, Violin Concerto in F Minor, RV 297 "Winter": II. Largo
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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String Quintet in E Major, Op. 11 No. 5: III. Minuet
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Consolations, S. 172: III. Lento placido
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Les Contes d'Hoffmann, Act IV: Barcarolle (Orchestral Version)
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Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante (Cadenzas: Christian Zacharias)
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Flute and Harp Concerto in C Major, K. 299: III. Rondeau. Allegro
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Prelude and Fugue in C Major, BWV 846: I. Prelude
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Piano Sonata No. 16 in C Major, K. 545: I. Allegro
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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String Quintet No. 3 in C Major, K. 515: IV. Allegro
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Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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Gedichte aus Liebesfrühling, Op. 37: No. 11, Warum willst du andre fragen (Arr. Lenaerts & Grammenos)
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Mandolin Concerto in C Major, RV 425: I. Allegro
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Orfeo ed Euridice, Wq 30, Act II: Dance of the Blessed Spirits
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The Nutcracker, Op. 71: Miniature Overture
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Water Music Suite No. 2 in D Major, HWV 349: II. Alla Hornpipe
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Ich habe genug, Cantata BWV 82: 1. Aria: "Ich habe genug, ich habe den Heiland"
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Stabat Mater, RV 621: VII. Eia Mater, fons amoris
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King Arthur, or The British Worthy, Z.628: What Power art thou… (Cold song)
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How Sweet The Moonlight [The Merchant of Venice]
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Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
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Romeo and Juliet, Op. 64, Act I: The Knights' Dance
Orchestre Philharmonique de Radio France
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Requiem in D Minor, K. 626: III. Sequenz No. 6, Lacrimosa dies illa
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Ich ruf zu dir, Herr Jesu Christ, BWV 639 (Arr. for Piano by Busoni)
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Flute Sonata No. 2 in E-Flat Major, BWV 1031: II. Siciliano (Arr. for Piano by Kempff)
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Wachet auf, ruft uns die Stimme, BWV 140: I. Chorale, Wachet auf, ruft uns die Stimme (Arr. for Guitar)
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Cello Suite No. 1 in G Major, BWV 1007: VI. Gigue
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Concerto for 4 Pianos in A Minor, BWV 1065: I. Allegro
Orchestre National Du Capitole De Toulouse
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Keyboard Concerto in D Minor, BWV 974: II. Adagio
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Herz und Mund und Tat und Leben, BWV 147, Pt. 1: Chorale. Wohl mir, dass ich Jesum habe (choir)
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Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Trio Sonata in C Major, BWV 529: I. Allegro (Arr. Balsom)
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Harpsichord Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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Girl (Themes & Variations / Original Motion Picture Soundtrack)
Girl Theme - From “Girl” Original Motion Picture Soundtrack
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Summer - From “Girl” Original Motion Picture Soundtrack
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Flying - From “Girl” Original Motion Picture Soundtrack
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Mathias - From “Girl” Original Motion Picture Soundtrack
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Handel: Serse, HWV 40 / Act 1: "Ombra mai fu"
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