1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86f7428b31341d0c6cdf5c925ab5141433e490dcbc8e497af40bf4c8ccb5f542. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6c8293d8-e729-46df-aa89-4b05e3613b8e.json and https://artists.proofprofile.net/proofs/artist/6c8293d8-e729-46df-aa89-4b05e3613b8e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Symphony No. 4 in A Major, Op. 90, "Italian": III. Con moto moderato
Die Hochzeit des Figaro, K. 492, 3. Akt: Canzonetta sull aria… Che soave zeffiretto (Die Verurteilten): Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio
Symphony No. 40 in G Minor, K. 550: I. Molto allegro
Piano Sonata No. 11 in A Major, K. 331: III. Alla turca: Allegretto
Variations on O mamma, mamma cara from Il carnevale di Venezia, Op. 10, MS 59
Symphony No. 4 in A Major, Op. 90, "Italian": I. Allegro vivace
Suite espanola Op. 47: No. 5. Asturias (arr. for guitar)
Nocturne No. 19 in E Minor, Op. 72, No. 1
Peer Gynt Suite No. 1, Op. 46: I. Morgenstemning (Morning Mood)
Serenade in E Major, Op. 22: II. Tempo di Valse
Klarinettenkonzert A-Dur, K. 622: 2. Adagio (Jenseits von Afrika): Clarinet Concerto in A Major, K. 622: II. Adagio
Symphony No. 3 in D Major, D. 200: II. Allegretto
Swan Lake Suite, Op. 20a: III. Dance of the Swans, V
Variations on a Rococo Theme in A Major, Op. 33: Theme
Variations on a Rococo Theme in A Major, Op. 33: Variation 1
The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): I. Allegro
Serenade in C Major, Op. 48: III. Elegie
Serenade in C Major, Op. 48: II. Waltz: Moderato, Tempo di Valse
Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato
Violin Concerto in B-Flat Major, P. 53: II. Adagio
Turandot, Act III Scene 1: Nessun dorma!
Harmonies des bois, Op. 76: Les Larmes de Jacqueline
Variations and Fugue on a Theme of Mozart, Op. 132: Theme: Andante grazioso
Violin Concerto in A Minor, BWV 1041: II. Andante
North German Radio Philharmonic Orchestra
Overture (Suite) No. 3 in D Major, BWV 1068: II. Air, "Air on a G String"
La traviata, Act I: Brindisi: Libiamo, ne'lieti calici
Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
Red Edition - Bach: Brandenburg Concerto No. 1 & Toccata and Fugue, BWV 565
Brandenburg Concerto No. 1 in F Major, BWV 1046: I. —
Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto - Polonaise - Menuetto
Singet dem Herrn ein neues Lied, BWV 225
Der Geist hilft unsrer Schwachheit auf, BWV 226
Red Edition - Bach: Organ Works & Brandenburg Concerti Nos. 5, 6
Toccata and Fugue in D Minor, BWV 538 "Dorian"
Organ Sonata No. 4 in E Minor, BWV 528 "Trio Sonata": I. Adagio - Vivace
Organ Sonata No. 4 in E Minor, BWV 528 "Trio Sonata": II. Andante
Organ Sonata No. 4 in E Minor, BWV 528 "Trio Sonata": III. Un poco Allegro
Prelude and Fugue in E Minor, BWV 548 "Wedge"
Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
Brandenburg Concerto No. 6 in B Major, BWV 1051: I. —
Brandenburg Concerto No. 6 in B Major, BWV 1051: II. Adagio ma non tanto
Brandenburg Concerto No. 6 in B Major, BWV 1051: III. Allegro
The Most Relaxing Classical Music In The Universe
Symphonie Nr. 18 in F-Dur, KV 130: I. Allegro
映画の中のクラシック モーツァルトの映画館
La Gioconda: Act III - "Dance of the Hours"
The Most Famous Melodies in Classical Music
Serenade No. 13 in G Major, K. 525 "Eine Kleine Nachtmusik": II. Romance (Andante)
La Gioconda, Op. 9, Act III: "Dance of the Hours"
111 Classical Masterpieces from the Movies
66 Classical Masterpieces from the Movies
A Musica Mais Relaxante Classica No Universo
" Der Messias " , Oratorium für Solostimmen, Chor und Orchester, HWV 56: Hallelujah
Classic for You: Händel: Music for the Royal Fireworks HWV 351, Concerti grossi Op. 6
Symphonie No. 23 für Orchester in G Minor, K. 183: IV. Allegro (Musik zum Film: Amadeus)