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 0x610caf05322b5f77e5d0b6204e45e8dd09f020db6b66fcada1c2f23d38a65910. 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/6070de5a-25dc-4bf1-b765-6e9f2f682358.json and https://artists.proofprofile.net/proofs/artist/6070de5a-25dc-4bf1-b765-6e9f2f682358.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Classic for You: Giuliani: Konzert für Gitarre und Streichorchester - Rodrigo: Concierto de Aranjuez
Concierto de Aranjuez für Gitarre und Orchester: II. Adagio
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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Mendelssohn: Sinfonie No. 4 "Italienische Sinfonie"
Sinfonie No. 4 für Orchester in A Major, Op. 90: I. Allegro vivace
Orchestra dell' Accademia Nazionale di Santa Cecil
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Sinfonie No. 4 für Orchester in A Major, Op. 90: II. Andante con moto
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Sinfonie No. 4 für Orchester in A Major, Op. 90: III. Con moto moderato
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Sinfonie No. 4 für Orchester in A Major, Op. 90: IV. Saltarello, presto
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Konzert für Klavier und Orchester in E Minor, Op. 64: I. Allegro molto appassionato
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Michael Haydn: Symphonies 18 and 25 - Divertimento, P. 8
Classic for You: Werke von Britten - Elgar - Bartok - Respighi
Classic for You: Dvorák - Suk: Serenaden für Streichinstrumente
Serenade für Streichinstrumente in E Major, Op.22: I. Moderato
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Romantic Classical Music - Evocative Melodies for Special Moments
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Richter: 2 Flute Concertos & Oboe Concerto
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100 Most Relaxing Classical Music In The Universe
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The Four Seasons, Concerto No. 4 In F Minor (L'inverno / Winter) RV. 297 (Op. 8, No. 4): II. Largo
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Piano Concerto In A Minor, Op. 16: II. Adagio
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Prelude To The Afternoon Of A Faun (Prelude A I'apres-Midi D'un Faune)
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Piano Sonata No. 14 In C-Sharp Minor Op 27, No. 2 "Moonlight": I. Adagio Sostenuto
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Songs Without Words, Op. 62: No. 6 in A Major: Molto allegro vivace "Fruhlinglied" (Spring Melody)
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Piano Concerto No. 21 In C K. 467: II. Andante
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Water Music Suite No. 1 In F Major, HV 348: V. Air
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Well Tempered Klavier, Book I, No. 22 BWV 867
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The Four Seasons: Concerto No. 1 In E Major, Op. 8, RV 269, "Spring": I. Allegro (Danza Pastorale)
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Symphony No. 5 In C Minor, Op. 67 "Fate": II. Andante Con Moto
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Piano Concerto No. 2 In F Minor Op 21: II. Larghetto
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More of the Most Romantic Classical Music in the Universe
Mendelssohn Incidental Music from Midsummer Nights Dream
The Most Relaxing Classical Music For Work In The Universe
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Double Violin Concerto In D Minor BWV 1043: II. Largo Ma Non Tanto
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Nocturne No. 2 In E-Flat Major, Op. 9, No. 2
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The Most Relaxing Classical Music in the Universe: A Denon Classics Sampler
Serenade, Schwanengesang, D 957: IV. Standchen
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Die 100 Beliebtesten Melodien Der Klassik Fur Kinder
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Schola Cantorum S. Andrea Di Sommacampagna
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The Most Romantic Classical Music in the Universe
Hungarian National Philharmonic Orchestra
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Rachmaninoff: Piano Concerto No. 2 in C Minor, Op. 18: I. Adagio
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Saint-Saëns: The Swan From Carnival Of The Animals
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Janáček: Concerto for Flute, Harp and Orchestra in C K299/K297c: II. Andantino
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Debussy: The Girl with the Flaxen Hair (La fille aux cheveux de lin)
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Tchaikovsky: Swan Lake Suite, Op. 20: Danse Espagnole / Spanischer Tanz
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Prokofiev: Romeo & Juliet Ballet Suite: Overture
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Liszt: Liebestraume No. 3 in A Major, Op. 62
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Schumann: Kinderszenen Op. 15, No. 7: Traumerei
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Serenade No. 13 in G, 'Eine Kleine Nachtmusik' K. 525: II. Romanze (Andante)
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Trois Gymnopédies: I. Lent Et Douloureux
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Water Music Suite No. 1 in F Major, HV 348: V. Air
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Symphony No. 5 in C-Sharp Minor: IV. Adagietto
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Clarke: Trumpet Voluntary & Other Baroque Trumpet Favorites
The Most Soothing Lullabies in the Universe
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Classic for You: W. Mozart: Serenade für Bläser - L. Mozart: Sinfonia da Caccia
Haydn: Concertos for 2 Lire organizzate, Hob.VIIh:1-5
Concert for Violin and Orchestra in E Minor, Op. 64: II. Andante
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Songs Without Words: Frühlingslied, Op. 62 in A Major: Allegro grazioso
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Concerto for Piano and Orchestra, No. 2 Op. 40 in D minor: II. Adagio sostenuto
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A Midsummer Night's Dream, Op. 61: VII. Notturno
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Andante Spianato and Grande Polonaise in E-Flat Major, Op. 22: I. Andante Spianato
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Slavonic Dances for Orchestra, B. 145/2 (Op. 72): No. 2 in E Minor
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Humoresque No. 7 for Piano in G-Flat Major, B. 187/7 (Op. 101/7)
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Haydn: Cello Concerto Nos. 1 & 2 - Violin Concerto No. 1 - Concerto for Violin, Piano & Orchestra
Concerto for Violin & Orchestra No. 1: I. Allegro moderato
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Valses Pour Toujors - Le Grandes Valses Du Monde
Albrechtsberger: Guitar & Flute Concerto - Vivaldi: Guitar Concertos