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 0x24696a6089c4e00cca97bcbf7543c1c9209bcb82d853fc0dd63eda8dd8953d59. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/97e554cb-c428-49d4-ab04-df74ccfe4a50.json and https://artists.proofprofile.net/proofs/artist/97e554cb-c428-49d4-ab04-df74ccfe4a50.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano Quartet in A-Flat Major: I. Allegro moderato
Piano Quartet in A-Flat Major: II. Larghetto
Piano Quartet in A-Flat Major: III. Tempo di minuetto
Piano Trio in D Minor, Op. 11: I. Allegro molto vivace
Piano Trio in D Minor, Op. 11: II. Andante espressivo
Piano Trio in D Minor, Op. 11: III. Lied: Allegretto
Piano Trio in D Minor, Op. 11: IV. Finale: Allegro moderato
Milhaud: Early String Quartets & Vocal Works, Vol. 1
String Quartet No. 1, Op. 5: I. Rhythmique
String Quartet No. 1, Op. 5: II. Intime, contenu
String Quartet No. 1, Op. 5: III. Grave, soutenu
String Quartet No. 1, Op. 5: IV. Vif, tres rythme
String Quartet No. 2, Op. 16: I. Modérément anime
String Quartet No. 2, Op. 16: II. Tres lent
String Quartet No. 2, Op. 16: III. Tres vif
String Quartet No. 2, Op. 16: IV. Souple et sans hate
String Quartet No. 2, Op. 16: V. Tres rythme
4 Poemes de Leo Latil, Op. 20: No. 1, L'Abandon (Abandonment)
4 Poemes de Leo Latil, Op. 20: No. 2, Ma douleur et sa compagne (My Grief and its Companion)
4 Poemes de Leo Latil, Op. 20: No. 3, Le Rossignol (the Nightingale)
4 Poemes de Leo Latil, Op. 20: No. 4, La Tourterelle (the Turtledove)
3 Poemes de Jean Cocteau, Op. 59: No. 1, Fumee (Smoke)
3 Poemes de Jean Cocteau, Op. 59: No. 2, Fete de Bordeaux (the Bordeaux Fair)
3 Poemes de Jean Cocteau, Op. 59: No. 3, Fete de Montmartre (the Montmartre Fair)
Bacewicz: Streichquartette, Nr. 4, Nr. 6, Nr. 7
String Quartet No. 4: I. Andante - Allegro
String Quartet No. 4: III. Allegro giocoso
String Quartet No. 6: I. Andante - Allegro - Andante
Piano Quartet in D Minor, Op. 113: I. Allegro moderato
Piano Quartet in D Minor, Op. 113: II. Vivace - Adagio - Vivace
Piano Quartet in D Minor, Op. 113: III. Larghetto
Piano Quartet in D Minor, Op. 113: IV. Allegro energico
Piano Quartet in A Minor, Op. 133: I. Allegro con passione
Piano Quartet in A Minor, Op. 133: II. Vivace
Piano Quartet in A Minor, Op. 133: III. Largo con gran espressione
Piano Quartet in A Minor, Op. 133: IV. Allegro con spirito
Milhaud: Early String Quartets & Vocal Works, Vol. 3
4 poemes, Op. 26: No. 1, Chanson d'Automne
Les soirees de Petrograd, Op. 55: L'ancien regime: I. L'Orgueilleuse
Les soirees de Petrograd, Op. 55: L'ancien regime: II. La Revoltee
Les soirees de Petrograd, Op. 55: L'ancien regime: III. La Martiale
Les soirees de Petrograd, Op. 55: L'ancien regime: IV. L'Infidele
Les soirees de Petrograd, Op. 55: L'ancien regime: V. La Perverse
Les soirees de Petrograd, Op. 55: L'ancien regime: VI. L'Irresolue
Les soirees de Petrograd, Op. 55: La revolution: I. La grand mere de la revolution
Les soirees de Petrograd, Op. 55: La revolution: II. Les journees d'aout
Les soirees de Petrograd, Op. 55: La revolution: III. Monsieur Protopopoff
Les soirees de Petrograd, Op. 55: La revolution: IV. Le convive
Les soirees de Petrograd, Op. 55: La revolution: V. La limousine
Les soirees de Petrograd, Op. 55: La revolution: VI. Le colonel Romanoff
Poeme du journal intime de Leo Latil, Op. 73
String Quartet No. 6, Op. 77: I. Souple et anime
String Quartet No. 6, Op. 77: II. Tres lent
String Quartet No. 6, Op. 77: III. Tres vif et rythme
String Quartet No. 7, Op. 87: I. Modérément anime
String Quartet No. 7, Op. 87: II. Doux et sans hate
String Quartet No. 7, Op. 87: IV. Vif et gai
String Quartet No. 8, Op. 121: I. Vif et souple
String Quartet No. 8, Op. 121: II. Lent et grave
String Quartet No. 8, Op. 121: III. Tres anime
melomania – String Quartets by women composers
String Quartet in E-Flat Major: I. Adagio ma non troppo
String Quartet in E-Flat Major: II. Allegretto
String Quartet in E Minor: IV. Allegro energico
Milhaud: Early String Quartets & Vocal Works, Vol. 2
String Quartet No. 3, Op. 32: I. Tres lent
String Quartet No. 3, Op. 32: II. Tres lent
String Quartet No. 4, Op. 46: II. Funebre
String Quartet No. 4, Op. 46: III. Tres anime
Machines Agricoles, Op. 56: No. 1, La Moissonneuse Espigadora
Machines Agricoles, Op. 56: No. 2, La Faucheuse
Machines Agricoles, Op. 56: No. 3, La Lieuse
Machines Agricoles, Op. 56: No. 4, La Dechaumeuse-semeuse-enfouisseuse
Machines Agricoles, Op. 56: No. 5, La Fouilleuse-draineuse
Machines Agricoles, Op. 56: No. 6, La Faneuse
Catalogue des fleurs, Op. 60: No. 1, La Violette (the Violet)
Catalogue des fleurs, Op. 60: No. 2, Le Begonia (the Begonia)
Catalogue des fleurs, Op. 60: No. 3, Les Fritillaires (Fritillaires)
Catalogue des fleurs, Op. 60: No. 4, Les Jacinthes (Hyacinths)
Catalogue des fleurs, Op. 60: No. 5, Les Crocus (the Crocus)
Catalogue des fleurs, Op. 60: No. 6, Le Brachycome (the Brachycome)
Catalogue des fleurs, Op. 60: No. 7, L'Eremurus (the Eremurus)
String Quartet No. 5, Op. 64: I. Chantant
String Quartet No. 5, Op. 64: II. Vif et leger
String Quartet No. 5, Op. 64: IV. Tres anime
Violin Sonata in A Minor, Op. 7: I. Allegro moderato
Cello Sonata in A Minor, Op. 5: I. Allegro moderato
Violin Sonata in A Minor, Op. 7: II. Scherzo: Allegro grazioso
Cello Sonata in A Minor, Op. 5: II. Adagio non troppo
Violin Sonata in A Minor, Op. 7: III. Romanze: Andante grazioso
Cello Sonata in A Minor, Op. 5: III. Allegro vivace e grazioso
Violin Sonata in A Minor, Op. 7: IV. Finale: Allegro vivace
String Quartet in E Minor: I. Allegretto lirico
String Quintet in E Major, Op. 1: I. Allegro con brio
String Quartet in E Minor: II. Allegro molto leggiero
String Quintet in E Major, Op. 1: II. Andantino poco allegretto
String Quintet in E Major, Op. 1: III. Scherzo: Allegro vivace
String Quintet in E Major, Op. 1: IV. Adagio con moto
String Quintet in E Major, Op. 1: V. Allegro molto
Piano Quartet in A-Flat Major: II. Larghetto - Doppio movimento - Tempo primo
Piano Quartet in A-Flat Major: III. Tempo di minuetto - Presto
String Quartet in E-Flat Major: III. Romanze
String Quartet in E-Flat Major: IV. Allegro molto vivace
String Quartet No. 1 in B-Flat Major: I. Andante maestoso - Allegro con brio
String Quartet No. 1 in B-Flat Major: II. Allegretto grazioso
String Quartet No. 1 in B-Flat Major: III. Sostenuto
String Quartet No. 1 in B-Flat Major: IV. Vivace
String Quartet No. 2 in F Minor: I. Allegro con spirito
String Quartet No. 2 in F Minor: II. Sostenuto
String Quartet No. 2 in F Minor: III. Vivo e con brio
String Quartet No. 2 in F Minor: IV. Larghetto - Allegro
Piano Quintet in C Minor, Op. 64: I. Con moto agitato
Piano Quintet in C Minor, Op. 64: II. Vivace
Piano Quintet in C Minor, Op. 64: III. Lento addolorato en con gran affetto
Piano Quintet in C Minor, Op. 64: IV. Allegro risoluto
Piano Trio in E Minor, Op. 102: I. Allegro moderato, ma con passione
Piano Trio in E Minor, Op. 102: II. Allegretto - Andante con moto - Tempo prino
Piano Trio in E Minor, Op. 102: III. Largo
Piano Trio in E Minor, Op. 102: IV. Allegro con moto
Violin Sonata No. 1: I. Modere sans lenteur
Violin Sonata No. 1: IV. Final: Tres vite
Clarinet Sonata: II. Andantino espressivo
Violin Sonata No. 2: I. Allegro non troppo
Violin Sonata No. 2: III. Final: Allegro
String Quintet in E Major, Op. 1: III. Scherzo. Allegro vivace