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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bdc73ea1f6771e2849d181ef4178f52d9eb983b7b68259a5ec9487107b90897. Chain 2 (Bitcoin): anchored in block 953867 (2026-06-16T01:09:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0609d4ea-883a-44b3-96ea-2791d7a92a3d.json and https://artists.proofprofile.net/proofs/artist/0609d4ea-883a-44b3-96ea-2791d7a92a3d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Franz Schubert, Trío en Mi Bemol D. 929, Op Póstumo 100: Allegro
Franz Schubert, Trío en Mi Bemol D. 929, Op Póstumo 100: Andante con Moto
Franz Schubert, Trío en Mi Bemol D. 929, Op Póstumo 100: Scherzo, Allegro Moderato
Franz Schubert, Trío en Mi Bemol D. 929, Op Póstumo 100: Allegro Moderato
Gabriel Fauré, Trío en Re Menor, Op 120: Allegro Ma Non Troppo
Gabriel Fauré, Trío en Re Menor, Op 120: Andantino
Gabriel Fauré, Trío en Re Menor, Op 120: Allegro Vivo
Las Cuatro Estaciones Porteñas: I. Primavera Porteña
Las Cuatro Estaciones Porteñas: II. Verano Porteño
Las Cuatro Estaciones Porteñas: III. Otoño Porteño
Las Cuatro Estaciones Porteñas: IV. Invierno Porteño
Piano Trío No. 4 in E Minor, Op. 90, B. 166, "Dumky": I. Lento maestoso - Allegro vivace, quasi doppio movimiento tempo I - Allegro molto
Piano Trío No. 4 in E Minor, Op. 90, B. 166, "Dumky": II. Poco adagio - Vivace non troppo
Piano Trío No. 4 in E Minor, Op. 90, B. 166, "Dumky": III. Andante - Vivace non troppo - Andante - Allegretto
Piano Trío No. 4 in E Minor, Op. 90, B. 166, "Dumky": IV. Andante moderato (Quasi tempo di marcia) - Allegretto scherzando - Meno mosso - Allegro - Moderato
Piano Trío No. 4 in E Minor, Op. 90, B. 166, "Dumky": V. Allegro
Piano Trío No. 4 in E Minor, Op. 90, B. 166, "Dumky": VI. Lento maestoso - Vivace, quasi doppio movimiento - Lento - Vivace
Peerless 80 Aniversario - 24 Tangos Inolvidables
Yo No Se Que Me Han Hecho Tus Ojos - Original Mix
No Hay Tierra Como La Mia - Original Mix