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
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Mozart: Serenade No. 7, K. 250 "Haffner"
Konzert für 4 Cembarli in A Minor, BWV 1065: I. Ohne Bezeichnung
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Cembalokonzert in F Minor, BWV 1056: II. Largo
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Konzert für 2 Cembali in C Minor, BWV 1060: III. Allegro
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Haydn: Symphonie No. 88, No. 49 und No. 94
Red Edition - Bach: Harpsichord Concertos Nos. 4, 6 & Concerto for 2 Harpsichords
Red Edition - Bach: Harpsichord Concertos Nos. 2, 3 & Concerto for 2 Harpsichords
Schubert: Streichquintett, D. 667 - Menuette
Brandenburgische Konzerte No. 5 und 6, Orchestersuite No. 4
Bach: Brandenburgische Konzerte No. 1 - 4
J. C. Bach & J. G. Graun: Bassoon Concertos
Mozart: Violinkonzerte No. 2, K. 211 und No. 3, K. 216
Mendelssohn: Violinkonzert - Konzert für Violine und Klavier
Bach: Hochzeitskantate No. 202, Bauernkantate No. 212
Klarinettenkonzert No. 1 in F Minor, Op. 73: III. Rondo. Allegro
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Klarinettenkonzert No. 1 in F Minor, Op. 73: I. Allegro
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Klarinettenkonzert No. 1 in F Minor, Op. 73: II. Adagio ma non troppo
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Fagottkonzert in F Major, Op. 75: I. Allegro ma non troppo
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Fagottkonzert in F Major, Op. 75: II. Adagio
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Fagottkonzert in F Major, Op. 75: III. Rondo. Allegro
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Los Grandes de la Musica Clasica - Felix Mendelssohn Vol. 1
Symphony No. 4 in A Major, Op. 90: III. Con moto moderato
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Symphony No. 4 in A Major, Op. 90: I. Allegro vivace
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Trumpet Concerto in E-Flat Major: II. Andante
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Trumpet Concerto in E-Flat Major: III. Finale. Allegro
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Concertino for Trumpet and Orchestra in C Major: I. Adagio
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Trumpet Concerto in E-Flat Major: I. Allegro
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Danzi, Pleyel & Salieri: Sinfonia Concertante
Danzi, Stamitz & Rossini: Music for Flute, Clarinet & Orchestra
Bach: Oboe d'amore Concerto in A Major, BWV 1055R - Concerto in C Minor for Violin & Oboe, BWV 1060R - Oboe Concerto in G Minor, BWV 1056R
Stölzel, L. Mozart & Telemann: Concertos avec trompette (Stereo Version)
Stölzel: Concerto grosso pour 6 trompettes, 4 timbales et 2 clavecins - Telemann: Sonate de concert pour trompette et orchestre (Stereo Version)
Stölzel: Concerto grosso pour 6 trompettes, 4 timbales et 2 clavecins - Telemann: Sonate de concert pour trompette et orchestre (Mono Version)
Cantata No. 147: Herz und Mund und Tat und Leben, BWV 147: Jesu, Joy of Man's Desiring
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Lute Suite No. 1 in E Minor, BWV 996: III. Courante
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Concerto for Flute, Violin and Harpsicord: Adagio
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air (On the G-String)
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Los Grandes de la Musica Clasica - Felix Mendelssohn Vol. 3
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Festliche Musik zur Advents-u.Weihnachtszeit
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Christmas Classics (Klassische Weihnacht)
Bach: Motette "Jesu, meine Freude", BWV 227 - Messe, BWV 234
Jesu, meine Freude, BWV 227: No. 6, Ihr aber seid nicht
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Albinoni: Trattenimenti armonici, Op. 6: Trumpet Concerto No. 11 in B-Flat Major "San Marco": I. Grave
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Albinoni: Trattenimenti armonici, Op. 6: Trumpet Concerto No. 11 in B-Flat Major "San Marco": III. Andante
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Albinoni: Trattenimenti armonici, Op. 6: Trumpet Concerto No. 11 in B-Flat Major "San Marco": II. Allegro
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Albinoni: Trattenimenti armonici, Op. 6: Trumpet Concerto No. 11 in B-Flat Major "San Marco": IV. Allegro
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