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 0x1b8782bebddf9cbb19ec80b9ed517f44d540b3c2b2b02ab6c9b25a0e2876fdd9. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b563c68a-df3a-4a22-8155-f00bc65c5b1d.json and https://artists.proofprofile.net/proofs/artist/b563c68a-df3a-4a22-8155-f00bc65c5b1d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sonata II in C Major: III. Aria (Larghetto)
Sonata III in F Major: I. Non tanto allegro
Sonata III in F Major: II. Sarabanda (Adagio)
Sonata III in F Major: III. Minuetto - Trio
Sonata III in F Major: IV. Giga (Allegro assai)
Sonata V in C Minor: I. Larghetto e staccato
Sonata V in C Minor: II. Non tanto allegro
Sonata XII in C Major: I. Non tanto allegro
Moon River (from Breakfast at Tiffany's) - Piano Solo
Over the Rainbow (from The Wizard of Oz)
The Heart Asks Pleasure First (from The Piano)
La vita è bella (Buongiorno principessa & Main Theme)
Sonata op. 14 n. 3 - II. Largo e sostenuto
Capriccio (in forma di Sonata) - I. Adagio
Capriccio (in forma di Sonata) - II. Allegro agitato
Capriccio (in forma di Sonata) - III. Adagio sostenuto
Capriccio (in forma di Sonata) - IV. Allegro vivace
Petites Pièces Faciles, Op. 3: V. Marcia
Petites Pièces Faciles, Op. 3: VI. Rondò
Sonata in D Major, Op.6: I. Allegro molto
Turkish March from Sonata in A Major K 331
For Children, Vol. I: 10. Children's Dance
For Children, Vol. I: 38. Winter Solstice Song
For Children, Vol. I: 21. Allegretto Robusto
Ma Mère l'Oye: III. Laideronnette, imperatrice des pagodes
For Children, Vol. II: 31. The Highway Robber
For Children, Vol. I: 6. Study for the Left Hand
Gershwiniana: 6. I'll Build a Stairway to Paradise
Piano Classics for Valentine's Day and Beyond
Jeux d'enfants: V. Petit Mari, Petite Femme
Ma Mère l'Oye: IV. Les entretiens de la Belle et la Bête
Consolations S. 172: No. 3 in D Flat Major
Vedrai, vedrai - Mi sono innamorato di te
Sonata VI in A Major: II. Toccata (Allegro)
Cinque Filastrocche: 4. Io son contadinella
Norwegian Dances, Op. 35: II. Allegretto tranquillo e grazioso
Fonti di poesia, op. 2: IV. Adagio tristemente
Cinque Filastrocche: II. Io voglio bene a nonna
Sonata Op. 27 No. 2: I. Adagio sostenuto
Azzurro come il cielo, op. 1: IV. Siciliana
Fonti di poesia, op. 2: I. Adagio sognante
Ma Mère l'Oye: I. Pavane de la Belle au Bois Dormant
Romantic Masterpieces for Piano Four Hands
Norwegian Dances, Op. 35: I. Allegretto marcato
Norwegian Dances, Op. 35: III. Allegretto moderato alla marcia
Norwegian Dances, Op. 35: IV. Allegro molto
The Golden Age Italian Songs Played by Ilio Barontini
Tu si' na cosa grande - Resta cu'mme - Meraviglioso - Vecchio frack - Nel blu dipinto di blu
French Masterpieces for Piano Four Hands, Vol. 2
Jeux d'enfants, Op. 22: Les chevaux de bois
Jeux d'enfants, Op. 22: Petit Mari, Petite Femme
Sonata for Piano Four Hands: II. Rustique
French Masterpieces for Piano Four Hands, Vol. 1
Ma mère l'Oye: I. Pavane de la Belle au bois dormant
Ma mère l'Oye: III. Laideronnette, impératrice des pagodes
Ma mère l'Oye: IV. Les entretiens de la Belle et la Bête
Trois morceaux en forme de poire: 1. Manière de commencement
Trois morceaux en forme de poire: 2. Prolongation du même
Trois morceaux en forme de poire: 3. Morceaux 1
Trois morceaux en forme de poire: 4. Morceaux 2
Trois morceaux en forme de poire: 5. Morceaux 3
Trois Morceaux en forme de poire: 6. En Plus
Trois morceaux en forme de poire: 7. Redite
Classical Masterpieces for Piano Four Hands
Sonata in D Major Op. 33: I. Allegro moderato
Sonata in D Major Op. 33: II. Andante cantabile
Sonata in D Major Op. 33: III. Rondò. Allegretto
Petites Pièces Faciles Op. 3: I. Sonatina
Petites Pièces Faciles Op. 3: II. Romanza
Petites Pièces Faciles Op. 3: III. Minuetto
Petites Pièces Faciles Op. 3: IV. Andante con variazioni
Sonata in D Major Op. 6: I. Allegro molto
Sonata in D Major Op. 6: II. Rondò. Moderato
The Ruins of Athens, Op. 113: IV. Turkish March
Merry Christmas Mr. Lawrence - (Main Theme From The Motion Picture)
Forrest Gump - (Feather Theme From The Motion Picture)
The Heart Asks Pleasure First (From The Piano)
Love Is a Many Splendored Thing: Main Theme
The Piano Sings Pietro Mascagni - 7. Barcarola
The Piano Sings Pietro Mascagni - 6. Invocazione alla Madonna
The Piano Sings Pietro Mascagni - 5. Serenata
The Piano Sings Pietro Mascagni - 4. Ave Maria
The Piano Sings Pietro Mascagni - 3. Ballata
The Piano Sings Pietro Mascagni - 2. Pena d'amore