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 0x5e62a61101daa0bb9a6bfe8de41fe2df76755c3c2b5f00b1d704a538863d8c0b. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e4250225-1c69-46b2-a260-974a1a730879.json and https://artists.proofprofile.net/proofs/artist/e4250225-1c69-46b2-a260-974a1a730879.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Concerto pour violon No. 1 in D Major, Op. 6: I. Allegro maestoso
Concerto pour violon No. 1 in D Major, Op. 6: II. Adagio espressivo
Concerto pour violon No. 1 in D Major, Op. 6: III. Rondo. Allegretto spiritoso
Concerto pour violon No. 2 in D Minor, Op. 44: I. Adagio, ma non troppo
Concerto pour violon No. 2 in D Minor, Op. 44: II. Recitativo. Allegro moderato
Concerto pour violon No. 2 in D Minor, Op. 44: III. Finale. Allegro molto
Chamouard: Symphonie Le vagabond des nuages
Symphonie No. 4 "Le vagabond des nuages": I. Le monde de poussière. Andante / Presto
Symphonie No. 4 "Le vagabond des nuages": II. La porte étroite. Allegro / Misterioso / Inquieto
Symphonie No. 4 "Le vagabond des nuages": III. Le regard intérieur. Andante - Profundo
Symphonie No. 4 "Le vagabond des nuages": IV. Le vagabond des nuages. Adagio - Tranquilo
Madrigal d'été pour violoncelle et orchestre
The Rite of Spring, Part I "Adoration of the Earth": Introduction
The Rite of Spring, Part I "Adoration of the Earth": Augurs of Spring (Dance of the Girls)
The Rite of Spring, Part I "Adoration of the Earth": Ritual of Abduction
The Rite of Spring, Part I "Adoration of the Earth": Spring Rounds
The Rite of Spring, Part I "Adoration of the Earth": Ritual of the Rival Tribes
The Rite of Spring, Part I "Adoration of the Earth": Procession of the Sage - The Sage
The Rite of Spring, Part I "Adoration of the Earth": Adoration of the Earth
The Rite of Spring, Part I "Adoration of the Earth": Dance of the Earth
The Rite of Spring, Part II "The Sacrifice": Introduction
The Rite of Spring, Part II "The Sacrifice": Mystic Circles of the Young Girls
The Rite of Spring, Part II "The Sacrifice": Glorification of the Chosen One
The Rite of Spring, Part II "The Sacrifice": Evocation of the Ancestors
The Rite of Spring, Part II "The Sacrifice": Ritual of the Ancestors
The Rite of Spring, Part II "The Sacrifice": Sacrificial Dance (The Chosen Victim)
Petrouchka, Tableau I: The Shrovetide Fair
Petrouchka, Tableau II: Petrushka's Room
Petrouchka, Tableau III: The Moor's Room
Petrouchka, Tableau IV: The Shrovetide Fair (Toward Evening)
Petrouchka, Tableau IV: The Wet-Nurses' Dance
Petrouchka, Tableau IV: Peasant with Bear
Petrouchka, Tableau IV: Gypsies and a Rake Vendor
Petrouchka, Tableau IV: Dance of the Coachmen and the Grooms
Petrouchka, Tableau IV: Death of Petrouchka
Petrouchka, Tableau IV: Police and the Juggler
Petrouchka, Tableau IV: Apparition of Petrouchka's Ghost
Dmitri Shostakovich: Symphony No. 6 in B Minor, Op. 54 - Festival Overture, Op. 96
Symphony No. 6 in B Minor, Op. 54: I. Largo
Symphony No. 6 in B Minor, Op. 54: II. Allegro
Symphony No. 6 in B Minor, Op. 54: III.Presto
Igor Stravinsky: Petrushka, Burlesque in Four Scenes for Orchestra
The Shrovetide Fair, Part I: 1. Introduction - 2. The Crowds - 3. The Charlatan's Booth - 4. Russian Dance; Petrushka's Cell, Part II; The Moor's Room, Part III: 1. The Moor's Room - 2. Dance
The Shrovetide Fair, Part IV: 1. The Shrove (Tide Fair) - 2. Dance of The Wet Nurses - 3. Dance of The Peasant and The Bear - 4. Dance of The Gypsy Girls - 5. Dance of The Coachmen and Grooms
Symphony no. 1 in E Major, op. 17: Allegro
Symphony no. 5 "Sinfonia Svastica" in C Major, op, 57: Daily work - Allegro energico
Symphony no. 1 in E Major, op. 17: Andante sostenuto
Symphony no. 5 "Sinfonia Svastica" in C Major, op, 57: Rest - andante tranquillo
Symphony no. 1 in E Major, op. 17: Scherzo
Symphony no. 5 "Sinfonia Svastica" in C Major, op, 57: Shadows - presto
Symphony no. 1 in E Major, op. 17: Finale
Symphony no. 5 "Sinfonia Svastica" in C Major, op, 57: Dawn - adagio, ma non troppo
Symphony no. 4 in E minor, op. 43: Sostenuto - Allegro risoluto - Meno Allegro - Tempo I - Meno Allegro
Symphony no. 4 in E minor, op. 43: Molto vivace - Andante, poco con moto - Tempo I
Symphony no. 4 in E minor, op. 43: Adagio - Poco con moto- Poco animato - Poco con moto, ma molto maestoso
Symphony no. 4 in E minor, op. 43: Allegro appassionato - Poco sostenuto - Tempo I
Brahms: Ein Deutsches Requiem, Op. 45 (Brahms: German Requiem, Op. 45)
Ein Deutsches Requiem, Op. 45: Ziemlich Langsam Und Mit Ausdruck
Bulgarian National Choir Svetoslav Obretenov
Ein Deutsches Requiem, Op. 45: Langsam, marschmäßig
Ein Deutsches Requiem, Op. 45: Andante moderato
Ein Deutsches Requiem, Op. 45: Mäßig bewegt
Ein Deutsches Requiem, Op. 45: Feierlich
Aleko: Kak volnost, vesel nash nochleg (Gypsies)
Aleko: The Old Gypsy's Narrative: Volshebnoi siloi pesnopenia v tumannoi pamyati moei (the Old Gypsy, Gypsies)
Aleko: Ogni pogasheny. Odna luna siyaet s nebesnoi vyshiny (Gypsies)
Aleko: Duet. Eschcho odno, odno lobzanie! (Young Gypsy, Zemfira)
Aleko, Aria. Scene By the Cradle: Staryi muzh, groznyi muzh (Zemfira, Aleko)
Aleko: Cavatina. Vas tabor spit. Luna nad nim (Aleko)
Aleko: The Young Gypsy's Romance. Vzgliani: Pod otdalionnym svodom (Young Gypsy)
Aleko: Finale. Lento lugubre - Alla marzia funebre (Aleko)
Dvorak, A.: Symphony No. 5 / Hussite Overture
Symphony No. 5 in F Major, Op. 76, B. 54: I. Allegro, ma non troppo
Symphony No. 5 in F Major, Op. 76, B. 54: II. Andante con moto
Symphony No. 5 in F Major, Op. 76, B. 54: III. Andante con moto, quasi l'istesso tempo: Allegro Scherzando
Symphony No. 5 in F Major, Op. 76, B. 54: IV. Finale. Allegro molto
Violin Concerto in E Minor, Op. 64, MWV O14: I. Allegro molto appassionato
Violin Concerto in E Minor, Op. 64, MWV O14: II. Andante
Violin Concerto in E Minor, Op. 64, MWV O14: III. Allegretto non troppo - Allegro molto vivace
Violin Concerto No. 1 in G Minor, Op. 26: I. Allegro moderato
Violin Concerto No. 1 in G Minor, Op. 26: II. Adagio
Violin Concerto No. 1 in G Minor, Op. 26: III. Allegro energico
Nikolai Myaskovsky: Symphony N 5 in D Major, Op.18 – Dmitri Kabalevsky: Symphony N 2 in C minor, Op.19
Symphony N 5 in D Major, Op.18: 1. Allegretto amabile
Symphony N 5 in D Major, Op.18: 2. Lento
Symphony N 5 in D Major, Op.18: 3. Allegro burlando
Symphony N 5 in D Major, Op.18: 4. Allegro risoluto e con brio
Symphony N 2 in C Minor, Op.19: 1. Allegro quasi presto
Symphony N 2 in C Minor, Op.19: 2. Andante non troppo
Symphony N 2 in C Minor, Op.19: 3. Prestissimo scherzando
Matilde di Shabran, Overture: Matilde di Shabran, ossia Bellezza, e cuor di ferro: Overture
La boutique fantasque, P. 120 (excerpts) [After Rossini]
Alexander Tekeliev: The Shadow, Ballet in four scenes & Triptych, Ballet Sketches
Ballet in four scenes The Shadow: scene 1
Ballet in four scenes The Shadow: scene 3, Part II
Ballet in four scenes The Shadow: scene 2
Ballet in four scenes The Shadow: scene 4
Ballet in four scenes The Shadow: scene 3, Part I
Triptych Ballet Sketches: 1. Con Inferno
Triptych Ballet Sketches: 2. Faceto, Con Eleganza
Рахманинов - Чайковский - Бородин - Рубинштейн: Избранные произведения
Алеко, Act I: Рассказ старика (Старик, отец Земфиры)
Don Giovanni, K. 527: Act I, Scene 1: No. 1, Introduzione, Notte e giorno faticar (Leporello, Donna Anna, Don Giovanni, Il Commendatore)
Don Giovanni, K.527, Act I, Scene 2: Madamina il catalogo è questo (Leporello)
Don Giovanni, K.527, Act II, Scene 1: Meta di voi qua vadano (Don Giovanni)
Don Giovanni, K. 527, Act II, Scene 3: No. 16, Canzonetta, Deh, vieni alla finestra (Don Giovanni)
Le Nozze Di Figaro: Recitative and Aria of Count Almaviva
Ivan Susanin (A Life for the Tzar): Act 4, Scene and Chorus
Ivan Susanin (A Life for the Tzar): Act 4, Aria of Ivan Susanin
Ivan Susanin (A Life for the Tzar): Act 4, Recitative of Susanin and Finale
Il barbiere di Siviglia: Overture (Sinfonia)
Swan Lake, Op. 20, Act 3, Appendix II: No. 20a, Russian Dance
6 Intermezzos, Op. 4: No. 2 in E Minor. Presto a capriccio
6 Intermezzos, Op. 4: No. 5 in D Minor. Allegro moderato
Piano Concerto in A Minor, Op. 54: I. Allegro affettuoso
Piano Concerto in A Minor, Op. 54: II. Intermezzo: Andantino grazioso
Piano Concerto in A Minor, Op. 54: III. Allegro vivace
Yosko Yosifov: Symphony No. 5; Concerto for Basson and Orchestra
Concerto for Basson and Orchestra: I. Allegro moderato (Scherzando)
Concerto for Basson and Orchestra: II. Lento
Concerto for Basson and Orchestra:III. Allegro molto
Popular Orchestral Fragments from Russian Operas
Prince Igor, Act II: Polovtsian Dances, Dance II
Pan Voyevoda, Op. 59: III. Nocturne: Clair de lune
The Golden Cockerel Suite: IV. Wedding Feast - Death of King Dodon
Khovanshchina, Act IV: Introduction - Golitzyn's Journey
Khovanshchina, Op. 5: Dance of the Persian Slaves
Gabriela Schubert - Traykova: Opera Recital
Samson and Delilah, Act II: Delilah's Aria Mon coeur s'ouvre à ta voix
Werther, Act 3: Werther ! Qui m'aurait dit - Air des lettres. Je vous écris de ma petite chambre (Charlotte)
Il trovatore, Act II, Scena ed Aria: Azucena'a Narrative
Das Land des Lachelns (The Land of Smiles): Overture
Gabriela Schubert - Traykova, Mezzo Soprano: Opera Recital
Kindertotenlieder: No. 1, Nun will die Sonn' so hell aufgeh'n
Kindertotenlieder: No. 2, Nun seh' ich wohl
Kindertotenlieder: No. 3, Wenn dein Mütterlein
Kindertotenlieder: No. 4, Oft denk' ich, sie sind nur ausgegangen
Kindertotenlieder: No. 5, In diesem Wetter
Wesendonck Lieder, WWV 91: No. 1, Der Engel
Wesendonck Lieder, WWV 91: No. 2, Stehe still
Wesendonck Lieder, WWV 91: No. 3, Im Treibhaus
Wesendonck Lieder, WWV 91: No. 4, Schmerzen
Wesendonck Lieder, WWV 91: No. 5, Träume
Gioachino Rossini: Selected Opera Overtures
Polonaise No. 3 in A Major, Op. 40, No. 1 Military
4 Norwegian Dances: II. Allegretto Tranquillo E Grazioso
Jeux d'enfants, Op. 22 WD 56 - Petite Suite: V. Galop: Le bal
8 Slavonic Dances, Op.46: No.8 in G minor (Presto)
Bellini - Donizetti - Rossini: Selected Opera Overtures
The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers
Slavonic Dance No. 10 in E Minor, Op. 72, No. 2
L'Arlésienne Suite No. 2, WD 28: 1. Pastorale
L'Arlésienne Suite No. 2, WD 28: 4. Farandole
Peer Gynt Suite No.2, Op.55: 4. Solveig's Song
Peer Gynt Suite No.1, Op.46: 3. Anitra's Dance
21 Hungarian Dances, WoO 1: Hungarian Dance No. 5 in F-Sharp Minor
Plovdiv Philharmonic Orchestra: Selected Opera Overtures
La forza del destino: Overture (Sinfonia)
La gazza ladra (The Thieving Magpie): Overture
Piano Concerto No. 23 in A Major, K. 488: II. Adagio
Antonín Dvořák: Cello Concerto In B Minor, Op. 104, B. 191
Cello Concerto In B Minor, Op. 104, B. 191: I. Allegro
Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo
Cello Concerto in B Minor, Op. 104, B. 191: III. Allegro moderato
Petko Stainov - Niccolò Paganini: Symphonic Works
Bulgarian National Radio Symphony Orchestra
Violin Concerto No. 5 in A Minor, MS 78: I. Allegro maestoso
Max Bruch - Antonín Dvořák: Selected Works
Violin Concerto No. 1 in G Minor, Op. 26: I. Vorspiel (Allegro moderato)
Violin Concerto No. 1 in G Minor, Op. 26: III. Finale. Allegro energico
Romanze in f-Moll, Op. 11, B. 39: Romance for Violin and Orchestra in F Minor, Op. 1
Niccolò Paganini: Violin Concerto No. 5 in A Minor, MS 78
Violin Concerto No. 5 in A Minor, MS 78: II. Andante un poco sostenuto
Violin Concerto No. 5 in A Minor, MS 78: III. Rondo: Andantino quasi allegretto
The Rite of Spring, Part 1: Adoration of the Earth
The Rite of Spring, Part 2: The Sacrifice
The Snow Maiden, Act III: Dance of the Tumblers
Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
Piano Concerto No. 2 in D Minor, Opus 23: Larghetto calmato
Edward MacDowell/Clara Schumann Two Piano Concerti
Piano Concerto No. 2 in D Minor, Opus 23: Presto giocoso
Piano Concerto No. 2 in D Minor, Opus 23: Largo: Molto allegro
Tosca, Act II: Tosca's Aria - "Vissi d'arte" (Vocal Version)
Tosca, Act II: "Vissi d'arte" (Tosca's Aria)
Soprano Love Arias: 50 Must-Have Opera Classics
Pas de Guerriers: Evolution d'Infanterie et Cavalerie
The History of Italian Music (100 Famous Songs)