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 0x3950d93b04b6169d8dff54c543e1f809d161ed3e565ff3c01da0796d85df8920. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b2e9f9e2-31f9-47b7-a721-7a787e2f9a64.json and https://artists.proofprofile.net/proofs/artist/b2e9f9e2-31f9-47b7-a721-7a787e2f9a64.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lyric Pieces, Op. 54: No. 1, Shepherd's Boy
Lyric Pieces, Op. 65: No. 1, From Early Years
Lyric Pieces, Op. 54: No. 2, Norwegian March
Lyric Pieces, Op. 65: No. 2, Peasant's Song
Lyric Pieces, Op. 12: No. 3, Watchman's Song
Lyric Pieces, Op. 54: No. 3, March of The Dwarfs
Lyric Pieces, Op. 12: No. 4, Fairy Dance
Lyric Pieces, Op. 12: No. 5, Popular Melody
Lyric Pieces, Op. 12: No. 6, Norwegian Melody
Lyric Pieces, Op. 54: No. 6, Bell Ringing
Lyric Pieces, Op. 57: No. 1, Vanished Days
Lyric Pieces, Op. 12: No. 8, National Song
Lyric Pieces, Op. 38: No. 2, Popular Melody
Lyric Pieces, Op. 38: No. 4, Norwegian Dance (Halling)
Lyric Pieces, Op. 57: No. 6, Home Sickness
Lyric Pieces, Op. 38: No. 5, Norwgian Dance (Springdans)
Lyric Pieces, Op. 62: No. 3, French Serenade
Lyric Pieces, Op. 43: No. 2, Solitary Traveller
Lyric Pieces, Op. 43: No. 3, In My Homeland
Lyric Pieces, Op. 43: No. 4, Little Bird
Lyric Pieces, Op. 47: No. 1, Valse - Impronptu
Lyric Pieces, Op. 47: No. 4, Norwegian Dance (Halling)
Lyric Pieces, Op. 47: No. 6, Norwegian Dance (Springdans)
Le carnaval des animaux, R. 125: XIII. Le Cygne (The Swan)
Liebestraum No. 3 in A-Flat Major, S. 541, No. 3
2 Nocturnes, Op. 5: No. 1 in F-Sharp Minor
18 Nocturnes, No. 5 in B-Flat Major, H37
Nocturne No. 11 in F-Sharp Minor, Op. 104, No. 1
8 Nocturnes, FP 56: No. 4 in C Minor "Bel fantome"
8 Nocturnes, FP 56: No. 7 in F-Flat Major
Nocturne No. 1 in B-Flat Minor, Op. 9, No. 1
Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
Nocturne No. 6 in G Minor, Op. 15, No. 3
Nocturne No. 9 in B Major, Op. 32, No. 1
Nocturne No. 11 in G Minor, Op. 37, No. 1
Nocturne No. 13 in C Minor, Op. 48, No. 1
Nocturne No. 14 in F-Sharp Minor, Op. 48, No. 2
Nocturne No. 15 in F Minor, Op. 55, No. 1
Nocturne No. 19 in E Minor, Op. 72, No. 1
Nocturne No. 20 in C-Sharp Minor, Op. Posth
Burgmüller: 25 Études faciles et progressives, Op.100 & 18 Études de genre, Op. 109
25 Études faciles et progressives, Op. 100: No. 1 in C Major, La candeur
18 Études de genre, Op. 109: No. 1 in C Major, Confidence
25 Études faciles et progressives, Op. 100: No. 2 in A Minor, L'arabesque
18 Études de genre, Op. 109: No. 2 in C Major, Les perles
25 Études faciles et progressives, Op. 100: No. 3 in G Major, La pastorale
18 Études de genre, Op. 109: No. 3 in G Major, Le retour du pâtre
25 Études faciles et progressives, Op. 100: No. 4 in C Major, La petite reunion
18 Études de genre, Op. 109: No. 4 in C Minor, Les bohémiens
25 Études faciles et progressives, Op. 100: No. 5 in F Major, Innocence
18 Études de genre, Op. 109: No. 5 in G Major, La source
25 Études faciles et progressives, Op. 100: No. 6 in C Major, Progès
18 Études de genre, Op. 109: No. 6 in C Major, L'enjouée
25 Études faciles et progressives, Op. 100: No. 7 in G Major, Le courant limpide
18 Études de genre, Op. 109: No. 7 in F Major, Berceuse
25 Études faciles et progressives, Op. 100: No. 8 in F Major, La gracieuse
18 Études de genre, Op. 109: No. 8 in E Minor, Agitato
25 Études faciles et progressives, Op. 100: No. 9 in C Major, La chasse
18 Études de genre, Op. 109: No. 9 in A-Flat Major, La cloche des matines
25 Études faciles et progressives, Op. 100: No. 10 in D Major, Tendre fleur
18 Études de genre, Op. 109: No. 10 in C Major, La vélocité
25 Études faciles et progressives, Op. 100: No. 11 in C Major, La bergeronnette
18 Études de genre, Op. 109: No. 11 in A Minor, La sérénade
25 Études faciles et progressives, Op. 100: No. 12 in A Major, L'adieu
18 Études de genre, Op. 109: No. 12 in F Major, Le réveil dans les bois
25 Études faciles et progressives, Op. 100: No. 13 in C Major, Consolation
18 Études de genre, Op. 109: No. 13 in D Minor, L'orage
25 Études faciles et progressives, Op. 100: No. 14 in G Major, La styrienne
18 Études de genre, Op. 109: No. 14 in A Major, Refrain du gondolier
25 Études faciles et progressives, Op. 100: No. 15 in C Minor, Ballade
18 Études de genre, Op. 109: No. 15 in G Minor, Les sylphes
25 Études faciles et progressives, Op. 100: No. 16 in G Minor, Douce plainte
18 Études de genre, Op. 109: No. 16 in in E-Flat Major, La séparation
25 Études faciles et progressives, Op. 100: No. 17 in F Major, La babillarde
18 Études de genre, Op. 109: No. 17 in F Major, La marche
25 Études faciles et progressives, Op. 100: No. 18 in E Minor, Inquiétude
18 Études de genre, Op. 109: No. 18 in D Major, La fileuse
25 Études faciles et progressives, Op. 100: No. 19 in A Major, Ave Maria
25 Études faciles et progressives, Op. 100: No. 20 in D Minor, La tarentelle
25 Études faciles et progressives, Op. 100: No. 21 in G Major, L'harmonie des anges
25 Études faciles et progressives, Op. 100: No. 22 in A-Flat Major, Barcarolle
25 Études faciles et progressives, Op. 100: No. 23 in E-Flat Major, Le retour
25 Études faciles et progressives, Op. 100: No. 24 in G Major, L'hirondelle
25 Études faciles et progressives, Op. 100: No. 25 in C Major, La chevaleresque
Vivaldi/Duo Vivid: The Four Seasons (Transcription for Piano Four Hands)
The Four Seasons, Violin Concerto in E Major, RV 269, "La primavera" (Spring): I. Allegro
The Four Seasons, Violin Concerto in E Major, RV 269, "La primavera" (Spring): II. Largo
The Four Seasons, Violin Concerto in E Major, RV 269, "La primavera" (Spring): III. Allegro, Danza pastrale
The Four Seasons, Violin Concerto in G Minor, RV 315, "L'estate" (Summer): I. Allegro
The Four Seasons, Violin Concerto in G Minor, RV 315, "L'estate" (Summer): II. Adagio
The Four Seasons, Violin Concerto in G Minor, RV 315, "L'estate" (Summer): III. Presto
The Four Seasons, Violin Concerto in F Major, RV 293, "L'autunno" (Autumn): I. Allegro
The Four Seasons, Violin Concerto in F Major, RV 293, "L'autunno" (Autumn): II. Adagio molto
The Four Seasons, Violin Concerto in F Major, RV 293, "L'autunno" (Autumn): III. Allegro
The Four Seasons, Violin Concerto in F Minor, RV 297, "L'inverno" (Winter): I. Allegro non molto
The Four Seasons, Violin Concerto in F Minor, RV 297, "L'inverno" (Winter): II. Largo
The Four Seasons, Violin Concerto in F Minor, RV 297, "L'inverno" (Winter): III. Allegro
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2672fe4fb64c8ab1d71eaa1033454b665e006955fbcd6a88099407d5cbc4f77e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB871710001.
Schwanengesang, D.957: IV. Serenade (Standchen)
6 Songs, Op.34: II. Auf Flugeln Des Gesanges
Rachmaninoff: Elegia & Etudes-Tableaux, Op. 39 - Prokofiev: Piano Sonata No. 3, Op. 28 - Scriabin: Fantasy, Op.28
Elégie Op.3-1 (From Morceaux de fantasie)
Etudes-Tableaux, Op. 39: I. Allegro Agitato
Etudes-Tableaux, Op. 39: II. Lento Assai
Etudes-Tableaux, Op. 39: VIII. Allegro Moderato
Etudes-Tableaux, Op. 39: IX. Allegro - Moderato tempo di marcia
6 Variations Paisiello's "Nel cor più nonmi sento", WoO. 70
Liebestraum No. 3 in A-Flat Major, S.541/3
Dolly Suite, Op. 56: III. Jardin de Dolly
Suite Bergamasque, L. 75: III. Clair de lune
Piano Sonata No. 14 In C Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
Piano Sonata No. 14 In C Sharp Minor, Op. 27 No. 2 "Moonlight": II. Allegretto
Piano Sonata No. 14 In C Sharp Minor, Op. 27 No. 2 "Moonlight": III. Presto agitato
Deux mélodies, Op. 46: II. Clair de lune
Kreisler: Violin Pieces "In the Style Of…"
Praeludium and Allegro (In the Style of Pugnani)
Chanson Louis XIII and Pavane (In the Style of Couperin)
Sicilienne and Rigaudon (In the Style of Francoeur)
Schumann: Arabeske, Op. 18 – Debussy: Deux Arabesques – Medtner: 3 Arabesques, Op. 7
Deux Arabesques in E Major, L. 66: Première Arabesque, Andantino con moto
Deux Arabesques in G Major, L. 66: Deuxième Arabesque, Allegretto scherzando