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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26771f714c3b28d057822311e6487a7868b08fb856a745fef51f97e6f6885067. Chain 2 (Bitcoin): anchored in block 954062 (2026-06-17T07:39:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/45c51374-1bbc-4e6d-b1b0-070ffed519a2.json and https://artists.proofprofile.net/proofs/artist/45c51374-1bbc-4e6d-b1b0-070ffed519a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Margie Cates: The Classical Sessions - Vol I.
Violin Sonata No. 3, Op. 108: II. Adagio
2 Arabesques, CD 74; L. 66: I. Andantino con moto
Margie Cates: The Classical Sessions, Vol. II
Suite Bergamasque, CD 82: III. Clair de lune
Suite for Violin and Orchestra: III. Elegie
Gypsy Songs, Op. 55: IV. Songs My Mother Taught Me
Violin Sonata in G Minor, RISM A/I E 203 (11): III. Adagio
Violin Sonata in G Minor, RISM A/I E 203 (11): I. Grave
Chanson de nuit and chanson de matin, Op. 15: I. Chanson de Nuit
Margie Cates: The Classical Sessions, Vol. III
2 Pieces for Cello and Orchestra, Op. 20: II. Serenade espagnole
Orfeo ed Euridice, Wq. 30, Act II: Melodie (Arr. for violin and piano by Fritz Kreisler)
Violin Sonata in A Major, HWV 361; Op.1 No. 3: III. Adagio
Scheherazade, Op. 35: III. The Young Prince and The Young Princess (Chanson Arabe)
Sadko, Scene IV: Song of India (Arr. for Violin and Piano by Fritz Kreisler)
Chanson de nuit and chanson de matin, Op. 15: II. Chanson de Matin
Margie Cates: The Classical Sessions, Vol. IV
Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII. Andante cantabile
6 Soirées à Saint-Petersbourg, Op. 44: I. Romance
Samson et Dalila, Op. 47, Act II: Softly Awakens My Heart (Delilah)
The Carnival of the Animals, R. 125: No. 13, The Swan
Schwanengesang, D. 957: No. 4, Ständchen
Margie Cates: The Classical Sessions, Vol. V
Violin Concerto in D Major, Opus 35, TH, 59: II. Canzonetta
12 Pieces, Op. 40, TH 138: II. Chanson triste
Violin Concerto No. 2, Op. 22: II. Romance. Andante non troppo
Remembrances - From the Film "Schindler's List"
Schindler's List Theme - From the Film "Schindler's List"
Margie Cates: The Classical Sessions, Vol. VI
Violin Sonata No. 1 in D Major, Op. 12 No. 1: I. Allegro con brio
Violin Sonata No. 1 in D Major, Op. 12 No. 1: II. Tema con variazoni
Violin Sonata No. 1 in D Major, Op. 12 No. 1: III. 3 Rondo. Allegro
Violin Sonata No. 5, Op. 24: II. Adagio molto expressivo
Violin Sonata No. 5, Op. 24: III. Scherzo. Allegro molto
Violin Sonata No. 5, Op. 24: IV. Rondo. Allegro me non troppo
Violin Sonata No. 8, Op. 30 No. 3: I. Allegro Assai
Violin Sonata No. 8, Op. 30 No. 3: II. Tempo de menuetto
Violin Sonata No. 8, Op. 30 No. 3: Allegro vivace
Albumblätter: No. 3, Sarabande in G Minor
Violin Sonata in G Major No. 1, Op. 78: I. Vivace ma non troppo
Violin Sonata in G Major No. 1, Op. 78: II. Adagio
Violin Sonata in G Major No. 1, Op. 78: III. Allegro molto moderato
Violin Sonata No. 3, Op. 108: I. Allegro
Violin Sonata No. 3, Op. 108: III. Un poco presto e con sentimento
Violin Sonata No. 3, Op. 108: IV. Presto agitato
Margie Cates: The Classical Sessions, Vol. VII
Préludes, Premier Livre, CD 125; L.117: No. 8, La Fille aux cheveux de lin
Four Romantic Pieces, Op.75; B.150: I. Allegro moderato
Four Romantic Pieces, Op.75; B.150: II. Allegro maestoso
Four Romantic Pieces, Op.75; B.150: III. Allegro appassionato
Four Romantic Pieces, Op.75; B.150: IV. Larghetto
Violin Sonata in G Minor, RISM A/I E 203 (11): II. Courante
Violin Sonata in G Minor, RISM A/I E 203 (11): IV. Vivace
Violin Sonata in E Minor, Op. 82: I. Allegro. Risoluto
Violin Sonata in E Minor, Op. 82: II. Romance. Andante
Violin Sonata in E Minor, Op. 82: III. Allegro non troppo
Violin Sonata in A Major, CFF 123; FWV 8: I. Allegreto ben moderato
Violin Sonata in A Major, CFF 123; FWV 8: II. Allegro
Violin Sonata in A Major, CFF 123; FWV 8: III. Recitativo - Fantasia. Ben moderato.
Violin Sonata in A Major, CFF 123; FWV 8: IV. Allegretto poco mosso
Margie Cates: The Classical Sessions, Vol. VIII
Violin Sonata No. 1 in F Major, Op. 8: I. Allegro con brio
Violin Sonata No. 1 in F Major, Op. 8: II. Allegretto quasi Andantino
Violin Sonata No. 1 in F Major, Op. 8: III. Allegro Molto Vivace
Violin Sonata No. 2 in G Major, Op.13: I. Lento doloroso – Allegro vivace
Violin Sonata No. 2 in G Major, Op.13: II. Allegretto tranquillo
Violin Sonata No. 2 in G Major, Op.13: III. Allegro animato
Violin Sonata No. 3 in C Minor, Op. 45: I. Allegro molto ed appassionato
Violin Sonata No. 3 in C Minor, Op. 45: II. Allegretto espressivo alla Romanza
Violin Sonata No. 3 in C Minor, Op. 45: Allegro molto - Tempo I
Violin Sonata in A Major, Op. 1 No. 3, HWV 361: I. Andante
Violin Sonata in A Major, Op. 1 No. 3, HWV 361: II. Allegro
Violin Sonata in A Major, Op. 1 No. 3, HWV 361: III. Adagio
Violin Sonata in A Major, Op. 1 No. 3, HWV 361: IV. Allegro
Violin Sonata in D Major, D. 384: I. Allegro molto
Violin Sonata in D Major, D. 384: II. Andante
Violin Sonata in D Major, D. 384: III. Allegro Vivace
Violin Sonata in A Minor, Op. 137 No. 2, D. 385: I. Allegretto
Violin Sonata in A Minor, Op. 137 No. 2, D. 385: II. Andante
Violin Sonata in A Minor, Op. 137 No. 2, D. 385: III. Menuetto. Allegro
Violin Sonata in A Minor, Op. 137 No. 2, D. 385: IV. Allegro
Margie Cates: The Classical Sessions, Vol. IX
3 Romances Op. 94: I. Nicht schnell. Moderato
3 Romances Op. 94: II. Einfach, innig. Semplice affetuoso
3 Romances Op. 94: III. Nicht schnell. Moderato
Violin Sonata No. 1 in A Minor, Op. 105: I. Mit Tiedenschaftlichen Ausdruck
Violin Sonata No. 1 in A Minor, Op. 105: II. Allegretto
Violin Sonata No. 1 in A Minor, Op. 105: III. Lebhaft
Violin Sonata No. 2 in D Minor, Op.121: I. Ziemlich Langsam - Lebhaft
Violin Sonata No. 2 in D Minor, Op.121: II. Sehr Lebhaft
Violin Sonata No. 2 in D Minor, Op.121: III. Leise, einfach
Violin Sonata No. 2 in D Minor, Op.121: IV. Bewegt
Souvenir d'un lieu cher, Op. 42: I. Meditation
Souvenir d'un lieu cher, Op. 42: II. Scherzo
Souvenir d'un lieu cher, Op. 42: III. Melodie
Theme - From the Film "Schindler's List"
Margie Cates: The Classical Sessions, Vol. X
Violin Sonata No.2 in A Major, Op.100: I. Allegro amabile
Violin Sonata No.2 in A Major, Op.100: II. Andante tranquillo
Violin Sonata No.2 in A Major, Op.100: III. Allegretto grazioso
Scottish Fantasy, Op.46: I. Introduction. Grave. Adagio cantabile
Scottish Fantasy, Op.46: II. Scherzo: Allegro / III. Andante sostenuto
Love Theme - From the Film "The Mission"
Gabriel’s Oboe - From the Film "The Mission"
Gianni Schicchi, SC 88: O mio babbino caro
All By Myself - Instrumental Violin Version
Always on My Mind - Instrumental Violin Version
Always Remember Us This Way - Instrumental Violin Version
Don't Cry out Loud - Instrumental Violin Version
Hallelujah - Instrumental Violin Version
My Heart Will Go On - Instrumental Violin Version
It Is Nice Here - Instrumental Violin Version
Margie Cates Plays Her Favorite Songs, Vol. II
Margie Cates Plays Her Favorite Songs, Vol. IV
Margie Cates Plays Her Favorite Songs, Vol. V
Starry Starry Night - With Guitar Accompaniment
Starry Starry Night - With Piano Accompaniment