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 0x7a9c6e4f5d764f39eccacb2a33209ba92b470e21bb2594d25651f772dc95145f. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99405a67-1eef-44f8-a828-d75ef9f3dafc.json and https://artists.proofprofile.net/proofs/artist/99405a67-1eef-44f8-a828-d75ef9f3dafc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Korngold: Suite, Op. 23 & Piano Quintet, Op. 15
Suite, Op. 23: I. Präludium und Fuge. Kräftig und bestimmt
Suite, Op. 23: II. Walzer. Nicht schnell, anmutig
Suite, Op. 23: III. Groteske. Möglichst rasch
Suite, Op. 23: IV. Lied. Schlicht und innig, nicht zu langsam
Piano Quintet in E Major, Op. 15: I. Mäßiges Zeitmaß, mit schwungvoll blühendem Ausdruck
Piano Quintet in E Major, Op. 15: II. Adagio. Mit größter Ruhe, stets äußerst gebunden und ausdrucksvoll
Piano Quintet in E Major, Op. 15: III. Finale. Gemessen beinahe pathetisch
Piano Quintet in D Major, Op. 51: I. Allegro moderato (Live)
Piano Quintet in D Major, Op. 51: II. Theme & Variations. Andante (Live)
Piano Quintet in D Major, Op. 51: III. Scherzo. Allegro vivace (Live)
Piano Quintet in D Major, Op. 51: IV. Finale. Allegro moderato (Live)
String Quartet No. 2 in A Minor, Op. 35: I. Moderato (Live)
String Quartet No. 2 in A Minor, Op. 35: II. Theme & Varations. Moderato (Live)
String Quartet No. 2 in A Minor, Op. 35: III. Finale. Andante sostenuto (Live)
Piano Trio No. 1 in D Minor, Op. 32: I. Allegro moderato (Live)
Piano Trio No. 1 in D Minor, Op. 32: II. Scherzo. Allegro molto (Live)
Piano Trio No. 1 in D Minor, Op. 32: III. Elegia. Adagio (Live)
Piano Trio No. 1 in D Minor, Op. 32: IV. Finale. Allegro non troppo (Live)
Piano Trio in D Major, Op. 1: I. Allegro non troppo, con espressione
Korngold: Piano Trio, Op. 1 & String Sextet, Op. 10