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 0x39eaaeddb112d8af91b3b9d1d3b1219be6942ad17e73b8739d811108cfca03ff. 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/008c14b3-edda-4b13-bf13-28ee3509c2eb.json and https://artists.proofprofile.net/proofs/artist/008c14b3-edda-4b13-bf13-28ee3509c2eb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Serse: "Grove So Beautiful and Stately - Shadows So Sweet"
Japtha: "Deeper and Deeper Still - Waft Her Angels"
Don Giovanni, Act I: "Mine be her burden"
Don Giovanni, Act II: "Speak for Me to My Lady"
Elijah: "Ye People Rend Your Hearts - If With All Your Hearts"
Aida, Act I: "What If 'Tis I Am Chosen - Heavenly Aida"
Faust, Act III: "All Hail thou Dwelling Pure and Lowly"
La Boheme, Act I: "Your Tiny Hand Is Frozen"
The Gondoliers: "Take a Pair of Sparkling Eyes"
Hiawatha's Wedding Feast: "Onaway! Awake Beloved"
The Essentials: Greatest Classics, Vol. 1
Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": I. Allegro
Variations on a Theme by Haydn, Op. 56a, "St. Anthony Variations": Thema, "Chorale St. Antoni": Andante
Piano Concerto No. 21 in C Major, K. 467, "Elvira Madigan": II. Andante
Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
Symphony No. 4 in A Major, Op. 90, "Italian": I. Allegro vivace
Piano Sonata No. 11 in A Major, K. 331: III. Alla turca: Allegretto (arr. for orchestra)
21 Hungarian Dances, WoO 1: Hungarian Dance No. 5 in G Minor (orch. Schmeling)
Piano Concerto in A Minor, Op. 16: I. Allegro molto moderato
The Nutcracker, Op. 71, Act II: Waltz of the Flowers
Carmina Burana: Fortuna Imperatrix Mundi: O Fortuna
Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
Herz und Mund und Tat und Leben, BWV 147: Chorale: Jesus bleibet meine Freude
The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): I. Allegro
Also sprach Zarathustra, Op. 30, TrV 176: I. Also sprach Zarathustra
Peer Gynt Suite No. 1, Op. 46: IV. I Dovregubbens hall (In the Hall of the Mountain King)
Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo
Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
Liebestraume, S541/R211: No. 3. Nocturne in A-Flat Major
Messiah, HWV 56, Part II: Chorus: Hallelujah (1751 Version)
Coro del Orchestra del Teatro Carlo Felice
The Tale of Tsar Saltan: Tale of Tsar Saltan, Op. 57: Flight of the Bumblebee
Die Walküre, Act III: Ride of the Valkyries (arr. L. Stokowski)
Symphony No. 9 in D Minor, Op. 125, "Choral": IV. Finale: Presto - Allegro assai
Solomon, HWV 67: Sinfonia, "Arrival of the Queen of Sheba"
Symphony No. 3 in F Major, Op. 90: III. Poco Allegretto
Thaïs: Thais, Act II: Meditation (version for violin and piano)
Fantasia on Greensleeves (arr. R. Greaves for orchestra)
Suite for Jazz Orchestra No. 2: Jazz Suite No. 2: VI. Waltz No. 2
Suite for Trumpet & Strings in D Major: Suite in D Major: VII. Round-O: The Prince of Denmark's March, "Trumpet Voluntary"
The Planets, Op. 32: I. Mars, the Bringer of War
Symphony No. 3 in C Minor, Op. 78, "Organ": II. Maestoso - Allegro - Più allegro - Molto allegro - Pesante
Romeo & Juliet Suite No. 2, Op. 64ter: Romeo and Juliet Suite No. 2, Op. 64ter: I. Montagues and Capulets
Variations on an Original Theme, Op. 36, "Enigma": Variation 9: Nimrod (A. J. Jaeger) -
Symphony No. 2 in C Minor, "Resurrection": I. Allegro maestoso
Serenade for Strings in E Major, Op. 22: II. Tempo di Valse
Violin Concerto in D Major, Op. 35, TH 59: I. Allegro moderato
Violin Concerto in D Major, Op. 35, TH 59: II. Canzonetta. Andante
Violin Concerto in D Major, Op. 35, TH 59: III. Finale. Allegro vivacissimo
Duo for Violin & Viola in B-Flat Major, K. 424: I. Adagio - Allegro
Violin Concerto in D Minor, MWV O3: I. Allegro
Violin Sonata No. 1 in G Major, Op. 78: I. Vivace ma non troppo
Violin Concerto in D Minor, MWV O3: II. Andante
Violin Sonata No. 1 in F Minor, Op. 80: III. Andante
Violin Concerto in D Minor, MWV O3: III. Allegro
Violin Partita No. 2 in D Minor, BWV 1004: V. Ciaccona
Violin Concerto in E Minor, Op. 64: II. Andante
Violin Sonata in G Major, Op. 134: I. Andante
Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo
Spiegel im Spiegel (Version for Violin & Piano)
Violin Concerto, Op. 15: I. Moderato con moto
Sonata pastorale in A Major, Op. 1 No. 13, B.A16: III. Largo
Symphonie espagnole in D Minor, Op. 21: V. Rondo. Allegro
Polish National Radio Symphony Orchestra
Violin Sonata No. 1 in G Minor, BWV 1001: I. Adagio
Violin Sonata in A Minor, Op. 27 No. 2: III. Sarabande. Lento "Danse des ombres"
Violin Sonata No. 1 in G Minor, BWV 1001: II. Fuga. Allegro
Scherzo fantastique, Op. 25 "La ronde des lutins"
Violin Sonata No. 1 in G Minor, BWV 1001: IV. Presto
5 Pieces for Violin & Piano, Op. 81: No. 1, Mazurka
Violin Concerto No. 1 in G Minor, Op. 26: II. Adagio
Violin Concerto No. 2 in B Minor, Op. 7, MS 48: III. Rondo a la clochette "La campanella"
The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": I. Allegro non moto
24 Caprices, Op. 1: No. 1 in E Major. Andante
Carmen Concert Fantasy, Op. 25 (After G. Bizet): IV. Allegro moderato
24 Caprices, Op. 1: No. 2 in B Minor. Moderato
Violin Concerto in D Major, Op. 77: I. Allegro non troppo
24 Caprices, Op. 1: No. 24 in A Minor. Tema quasi presto
Mystery (Rosary) Sonata No. 1 "Annunciation"
The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
Violin Concerto in B Minor, Op. 61: I. Allegro
Tzigane, M. 76 (Version for Violin & Orchestra)
Violin Concerto in B Minor, Op. 61: II. Andante
Violin Concerto No. 2 in G Minor, Op. 63: II. Andante assai
Violin Concerto in B Minor, Op. 61: III. Allegro molto
Violin Concerto in D Minor, Op. 47: III. Allegro, ma non tanto
The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": III. Presto
String Symphony No. 4 in C Minor, MWV N 4: II. Andante
The Wand of Youth, Suite No. 2, Op. 1b: No. 3, Moths and Butterflies
Symphony No. 24 in D Major, Hob.I:24: II. Adagio
String Quartet No. 1 in D Major, Op. 11: II. Andante cantabile
Suite from Henry V: No. 4, Touch Her Soft Lips And Part
Études-Tableaux, Op. 39: No. 2, The Sea And Seagulls
String Symphony No.2 in D Major, MWV N 2: II. Andante
Symphony In E-Flat Major for Double Orchestra, Op. 18, No. 1: II. Andante
Romeo & Juliet Ballet Suite, Op. 64: Romeo & Juliet
Ancient Airs And Dances, Suite No. 3: No. 1, Italiana
Symphony No. 13 in D Major, Hob.I:13: II. Adagio Cantabile
Serenade for String Orchestra in E Minor, Op.20: II. Larghetto
Violin Concerto No. 1, Sz.36: I. Andante sostenuto
Metcalf: Mapping Wales, Plain Chants & Cello Symphony