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 0xb6748bc62c9a16ea6669bc5048b226567a138447d79aec2f045d3b3bb4d8b0df. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7f1d3ee8-706b-4d87-b541-1c8ef78a3285.json and https://artists.proofprofile.net/proofs/artist/7f1d3ee8-706b-4d87-b541-1c8ef78a3285.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Prokofiev – Cassadó – Webern: Music for cello and piano
Cello Sonata in C Major, Op. 119: I. Andante grave
Cello Sonata in C Major, Op. 119: II. Moderato
Cello Sonata in C Major, Op. 119: III. Allegro ma non troppo
Sonata nello stile antico spagnuolo (Sonata in an Old Spanish Style): I. Introduzione e allegro
Sonata nello stile antico spagnuolo (Sonata in an Old Spanish Style): II. Grave
Sonata nello stile antico spagnuolo (Sonata in an Old Spanish Style): III. Danza con variazioni
Goyescas, Pt. I: Intermezzo (arr. G. Cassado)
3 Little Pieces, Op. 11: 1. Mäßige Achtel
3 Little Pieces, Op. 11: 3. Äußerst ruhig
Goyescas, Part I: Intermezzo (arr. G. Cassado)
3 Little Pieces, Op. 11: No. 1. Massige Achtel
3 Little Pieces, Op. 11: No. 2. Sehr bewegt
3 Little Pieces, Op. 11: No. 3. Ausserst ruhig
The Cello in Spain: Boccherini & Other 18th-Century Virtuosi
Cello Sonata No. 2 in C Major, G. 6: I. Allegro
Cello Sonata No. 2 in C Major, G. 6: II. Largo
Cello Sonata No. 2 in C Major, G. 6: III. Allegro moderato
6 Cello Sonatas, Op. 3 No. 1 in D Major: I. Allegro
6 Cello Sonatas, Op. 3 No. 1 in D Major: II. Adagio
6 Cello Sonatas, Op. 3 No. 1 in D Major: III. Allegro
Arte y Escuela de Violoncello: No. 28, Duet. Andante
Guitar Quintet No. 4 in D Major, G. 448 "Fandango": III. Grave assai - IV. Fandango
Adagio in E Minor [Barcelona Manuscript, 2nd half of the 18th century]
Arte y Escuela de violoncello: Duetto-Andante
Guitar Quintet No. 4 in D Major, G. 448: III. Fandango: Grave assai - IV. Fandango
Cello Suite No. 2 in D Minor, BWV 1008: I. Prélude
Trattenimento musicale sopra il violoncello: Sonata IX
Cello Suite No. 6 in D Major, BWV 1012: II. Allemande
Ricercari, canone e sonate per violoncello (Excerpts): No. 6, Ricercar sesto
Ricercari, canone e sonate per violoncello (Excerpts): No. 1, Ricercar primo
Cello Suite No. 1 in G Major, BWV 1007: III. Courante
Cello Suite No. 5 in C Minor, BWV 1011: IV. Sarabande
Principij da imparare à suonare il violoncello e con 12 Toccate à solo (Excerpts): Toccata V
Principij da imparare à suonare il violoncello e con 12 Toccate à solo (Excerpts): Toccata X
Cello Suite No. 4 in E-Flat Major, BWV 1010: V. Bourrées I & II
Partite sopra diverse sonate: No. 8, Capritio
Varie partire di Barabani, Ruggeri e Scordature a violino solo o con basso: Gigue
Cello Suite No. 3 in C Major, BWV 1009: VII. Gigue
La Vida Breve (Banda sonora original de la serie de TV)
Folias echa para mi Señora Doña Tarolilla de Carallenos (1)
E perché non seguite o pastorelle: No. 1, Sinfonia
Quella pace gradita: The Recorder & Violin Cantatas
E perché non seguite o pastorelle: No. 2, E perché non seguite o pastorelle
E perché non seguite o pastorelle: No. 3, Fiumicel, tu lento
E perché non seguite o pastorelle: No. 4, Ma di che mi querelo
E perché non seguite o pastorelle: No. 5, È dolce quella piaga
E perché non seguite o pastorelle: No. 6, Su le fiorite sponde
E perché non seguite o pastorelle: No. 7, Lacci, e piaghe
Filli, tu sai s'io t'amo (Sconsolato rusignolo)
Filen, mio caro bene: No. 2, Filen, mio caro bene
Filen, mio caro bene: No. 3, Chiedi pur ai monti
Filen, mio caro bene: No. 4, Ma se prova bastante
Filen, mio caro bene: No. 5, Che ti sembra, son fedele
Quella pace gradita: No. 2, Quella pace gradita
Quella pace gradita: No. 3, Crudel tiranno amore
Quella pace gradita: No. 4, O voi selve beate
Quella pace gradita: No. 5, Care selve soggiorni di quiete
Quella pace gradita: No. 6, Lungi, lungi da me tiranno amore