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 0xc817ebac15a7972e9d61280302cf7e0273de225f211274889a212ff7c8adb09c. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2411f3ab-5c8b-4617-8160-28f6a01e65fa.json and https://artists.proofprofile.net/proofs/artist/2411f3ab-5c8b-4617-8160-28f6a01e65fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Symphony No. 13 in B-Flat Minor, Op. 113, "Babi Yar": II. Yumor (Humour): Allegretto
Symphony No. 1 in D Major, Op. 25, "Classical": IV. Finale: Molto vivace
Orquestra Sinfônica do Estado de São Paulo
Cello Concerto in E Minor, RV 409: I. Adagio - Allegro (arr. J. Lloyd Webber for 2 cellos and orchestra)
Concerti (Concertos): Concerto di flauti (Concerto of Flutes)
To Be Certain of the Dawn: Part II: Remembrance: Interlude: Veil of Tears
Symphony in F Major, Op. 4, No. 3 (Callen 21): III. Minuetto vilanesco
There is no rose of swych vertu [English, 15th Century]: There Is No Rose of Swych Vertu [English, 15th Century]
Keyboard Sonata in E Major, K.216/L.273/P.320
Piano Trio No. 2 in F Major, Op. 22: II. Andante con variazioni
Evangelion: Part II, "The Life": No. 13. Mary Magdalene
String Quartet No. 1: III. Tempo di Marcia quasi Passacaglia
Piano Sonata No. 2, Op. 35: Funeral March (arr. for orchestra)
Das verwunschene Schloss: "Walzer nach Motiven der Operette"
Im Reich der Operette, Vol. 9 (Favoriten - Raritäten - Entdeckungen)
Dioscuren, Op. 32: Dioscuren-Quadrille, Op. 32
Gedenkblätter, Op. 178: Gedenkblatter, Walzer, Op. 178
Die Emancipirte, Op. 282: Die Emancipirte, Polka mazur, Op. 282