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 0x542c05bf5e3fdf8159a02546094a5387a9a2d8fae327a8f9d4510d8baeab2474. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/21e77f40-0fac-4810-8452-bf8113912f9a.json and https://artists.proofprofile.net/proofs/artist/21e77f40-0fac-4810-8452-bf8113912f9a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Images: Suite No. 3, Op. 35: Les Anesses grises sur la route d'El Azib
Images: Suite No. 3, Op. 35: Danseuse a la fontaine
Images: Suite No. 3, Op. 35: Soir de fete a Sedjenane
Confidence for Cello and Harp in A-Flat Major, Op. 24
Small River Flowing (Transcr. Y. Kondonassis)
Vers la source dans le bois (By the Brook in the Woods)
Petite suite, L. 65: I. En bateau (On the Boat) [Transcr. Y. Kondonassis]
Haru No Umi (Ocean in Springtime) [Transcr. Y. Kondonassis]
Préludes, Book 1, L. 117: No. 10, La cathédrale engloutie (The Sunken Cathedral) [Transcr. Y. Kondonassis]
Ukiyo-E (Pictures of the Floating World)
6 Pièces pour harpe à pédales: No. 5, Reflets dans l'eau (Reflections in the Water)
Caprices & Fantasies: Romantic Harp Music of the 19th Century, Vol. 3
Impromptu No. 6 in D-Flat Major, Op. 86bis
Grande fantaisie et variations de bravoure sur des motifs italiens
Nocturne in E-Flat Major (Performed on Harp)
Suite bergamasque, CD 82: III. Clair de lune (Performed on Harp)
Bugeilioír Gwenith Gwyn (Watching The Wheat)
Arabesque: Romantic Harp Music of the 19th Century, Vol. 2
2 Arabesques, CD 74: No. 1, Andantino con moto (Performed on Harp)
Ar hyd y nos "All Through the Night" (Arr. Drake for Harp)
Ave Maria, D. 839 (Arr. Thomas for Harp)
Préludes, Book 1, CD 125: VIII. La fille aux cheveux de lin (Performed on Harp)
Romance "Jeux interdits" (Arr. Drake for Harp)
Le carnaval des animaux, R. 125: XIII. Le cygne (Arr. Hasselmans for Harp)
Echoes of a Waterfall: Romantic Harp Music of the 19th Century, Vol. 1
Variations on a Theme of Mozart (Die Zauberflöte)
Watching the Wheat "Bugeilio'r gwenith gwyn"
Chanson de mai. Romance sans paroles, Op. 40
Etude de concert in E-Flat Minor, Op. 193
Variations on "Je suis encore dans mon printemps", Op. 36
Feuilles d'automne, Op. 45: No. 1, Sérénade mélancolique