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 0x6626fcdec697e20d8ea902a1bfa315bbe03255be4660b618b7511d5428775d7b. Chain 2 (Bitcoin): anchored in block 953695 (2026-06-14T21:42:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6c9be5c3-f0f1-4e62-a007-f0c738346d75.json and https://artists.proofprofile.net/proofs/artist/6c9be5c3-f0f1-4e62-a007-f0c738346d75.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
6 Romanze senza parole: No. 1, Con molto movimento
6 Romanze senza parole: No. 2, Andantino alla Barcarola
6 Romanze senza parole: No. 3, Piuttosto lento e soavemente
6 Romanze senza parole: No. 4, Molto agitato e presto
6 Romanze senza parole: No. 5, Allegro giusto
6 Romanze senza parole: No. 6. Lentamente a modo di Canzone
Piano Sonata No. 6 in C Major: I. Con movimento, ma quasi solenne
Piano Sonata No. 6 in C Major: II. Scherzo. Presto
Piano Sonata No. 6 in C Major: III. Andante quasi romanza. Cantabile sostenuto
Piano Sonata No. 6 in C Major: IV. Finale. Allegro marciale
Piano Suite, Op. 60 "Ritmi di danze antiche": I. Gavotta
Piano Suite, Op. 60 "Ritmi di danze antiche": II. Sarabanda
Piano Suite, Op. 60 "Ritmi di danze antiche": III. Pavana
Piano Suite, Op. 60 "Ritmi di danze antiche": IV. Siciliana
Piano Suite, Op. 60 "Ritmi di danze antiche": V. Rigodone
6 Fogli d'Album, Op. 13: No. 1, Trattenimento
6 Fogli d'Album, Op. 13: No. 2, Ruscelletto
6 Fogli d'Album, Op. 13: No. 4, Novelletta
6 Fogli d'Album, Op. 13: No. 5, Allegramente
6 Fogli d'Album, Op. 13: No. 6, Meditazione