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 0x8cc64033bf5b3961a6fdd3113b4fa3f6f24c3c53b40a612376d5ced7c9adf2c0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5f0571f1-d4cf-461e-833e-891de7714dbe.json and https://artists.proofprofile.net/proofs/artist/5f0571f1-d4cf-461e-833e-891de7714dbe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Janácek: In the Mist & on an Overgrown Path - Kodály: Marosszek Dances
On an Overgrown Path, Book I: I. Our Evenings
On an Overgrown Path, Book I: II. A Blown-Away Leaf
On an Overgrown Path, Book I: III. Come with Us!
On an Overgrown Path, Book I: IV. The Madonna of Frýdek
On an Overgrown Path, Book I: V. They Chatteres Like Swallows
On an Overgrown Path, Book I: VI. Words Fail!
On an Overgrown Path, Book I: VII. Good Night!
On an Overgrown Path, Book I: VIII. Unutterable Anguish
On an Overgrown Path, Book I: IX. In Tears
On an Overgrown Path, Book I: X. The Barn Owl Has Not Flown Away
From Piano Pieces, Op. 11: No. 2, Rubato, Parlando - Chanson populaire Székely
From Piano Pieces, Op. 11: No. 3, Allegretto malinconico - Il pleut dans la ville
From Piano Pieces, Op. 11: No. 6, Poco rubato - Chanson populaire Székely
Méditation sur un motif de Claude Debussy
Kodály: Missa Brevis, Jesus and the traders, Este & Mátra pictures
Missa brevis: I. Introitus - Version for Choir and Orchestra
Missa brevis: II. Kyrie - Version for Choir and Orchestra
Missa brevis: III. Gloria - Version for Choir and Orchestra
Missa brevis: IV. Credo - Version for Choir and Orchestra
Missa brevis: V. Sanctus - Version for Choir and Orchestra
Missa brevis: VI. Benedictus - Version for Choir and Orchestra
Missa brevis: VII. Agnus Dei - Version for Choir and Orchestra
Missa brevis: VIII. Ite, missa est - Version for Choir and Orchestra
Jézus és kufárok (Jesus and the traders)
Mátrai képek (Mátra pictures): I. A Vidrócki híres nyája (The famous herd of Vidroczki)
Mátrai képek (Mátra pictures): II. Elmegyek (I'm leaving)
Mátrai képek (Mátra pictures): III. Madárka (Birdie)
Mátrai képek (Mátra pictures): IV. Sej, a tari réten (In the meadow at Tar)
Mátrai képek (Mátra pictures): V. Két tyñkom tavalyi (Two hens, last year's)
Háry János Suite: Prelude; the fairy tale begins
Háry János, Op. 15: Introduction & Overture
Háry János Suite: Viennese musical clock
Concerto for Orchestra: Allegro risoluto
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: The Hussar's Flute Solo
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: The Old Woman
Háry János Suite: The battle and defeat of Napoleon
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: The Jewish Family
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: The Hungarian Girls
Háry János Suite: Entrance of the emperor and his court
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: Örzse's Song: Sej! verd meg Isten
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: Duet - Red Apple: Piros alma leesett a sárba
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: Uncle Marczi's Drinking Song: ó, mely sok hal
Dances of Galanta: Allegro con moto, grazioso
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: Love Duet: Tiszán innen, Dunán túl
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 1: Intermezzo
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 2: Cuckoo Song: Ku- ku- kukuskám
The Peacock (Fölszállot a páva), for unaccompanied chorus
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 2: The Wild Stallion
Variations on a Hungarian Folk Song for Orchestra, "The Peacock": 1. Moderato (Theme)
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 2: The Viennese Musical Clock
Variations on a Hungarian Folk Song for Orchestra, "The Peacock": 2. Con brio (Variations I-VI)
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 2: Örsze's Love Song: Hogyan tudtál rószám
Variations on a Hungarian Folk Song for Orchestra, "The Peacock": 3. Vivo (Variations VII-X)
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 2: Chicken Song: Hej két tikom tavali
Variations on a Hungarian Folk Song for Orchestra, "The Peacock": 4. Andante espressivo (Variations XI-XII)
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 2: Soldiers' Chorus: ébresztö Férfikar
Variations on a Hungarian Folk Song for Orchestra, "The Peacock": 5. Tempo di marcia funebre (Variations XIII-XVI)
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 3: Entry of the French
Variations on a Hungarian Folk Song for Orchestra, "The Peacock": 6. Finale: Vivace
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 3: Entry of Napoleon
Marosszéki táncok (Dances of Marosszèk) - for orchestra
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 3: Funeral March
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 3: Napoleon's Song: óh te vén sü-lü-lü-lü
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 3: Gipsy Music
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 3: Bombazine's Song: A jó lovas katonátak
Háry János, Singspiel in 5 Scenes, Op. 15 - original version - Act 3: Song of the Hussar (Toborzó): A jó lovas katonának
Missa brevis: I. Introitus (Version for Choir and Orchestra)
Missa brevis: II. Kyrie (Version for Choir and Orchestra)
Missa brevis: III. Gloria (Version for Choir and Orchestra)
Missa brevis: IV. Credo (Version for Choir and Orchestra)
Missa brevis: V. Sanctus (Version for Choir and Orchestra)
Missa brevis: VI. Benedictus (Version for Choir and Orchestra)
Missa brevis: VII. Agnus Dei (Version for Choir and Orchestra)
Missa brevis: VIII. Ite, missa est (Version for Choir and Orchestra)
Satie: La belle excentrique: No. 4, Cancan grand-mondain
Grieg: Fairy Dance from Lyric Pieces, Op. 12 No. 4
Shostakovich: 3 Fantastic Dances, Op. 5: I. Allegretto
De Visée: Pièces de théorbe et de luth, Suite en la mineur: V. Rondeau "La Montfermeil"
Bizet: Petite suite des "Jeux d'enfants", Op. 22, WD 39: V. Galop "Le bal"
Schumann: Kinderszenen, Op. 15: No. 12, Kind im Einschlummern
Traditional: El noi de la mare (Arr. Llobet for Guitar)
Poulenc: 2 Improvisations, FP 170: No. 1 in A Minor
Grieg: Lyric Pieces, Book 8, Op. 65: No. 2, Peasant's Song
Dvořák: Piano Quintet in A Major, Op. 81, B. 155: II. Dumka. Andante con moto
Satie: La belle excentrique: No. 1, Grande ritournelle
Tansman: Inventions: III. Sicilienne. Allegretto
Bizet: Petite suite des "Jeux d'enfants", Op. 22, WD 39: I. Marche "Trompette et tambour"
Poulenc: Improvisation, FP 176 "Hommage à Édith Piaf"
Shostakovich: Suite for Jazz Orchestra No. 1, Op. 38a: I. Waltz
Massenet: Suite d'orchestre No. 6 "Scènes de féerie": IV. Bacchanale
Orchestre National de l'Opéra de Monte-Carlo
Dvořák: 5 Bagatelles, Op. 47, B. 79: No. 1, Allegretto scherzando
Leclair: Violin Concerto in F Major, Op. 7 No. 4: III. Allegro
Satie: 5 Grimaces pour Le songe d'une nuit d'été: No. 1, Préambule
Satie: 5 Grimaces pour Le songe d'une nuit d'été: No. 2, Coquecigrue
Satie: 5 Grimaces pour Le songe d'une nuit d'été: No. 3, Chasse
Satie: 5 Grimaces pour Le songe d'une nuit d'été: No. 4, Fanfaronnade
Satie: 5 Grimaces pour Le songe d'une nuit d'été: No. 5, Retraite. Pour sortir
Poulenc & Satie: 2 Préludes posthumes et une Gnossienne, FP 104: No. 3, Troisième gnossienne
Enescu: Orchestral Suite No. 3 in D Major, Op. 27 "Villageoise": IV. River in the Moonlight
Vivaldi: Violin Concerto in E-Flat Major, RV 256 "Il ritiro": II. Andante
Castelnuovo-Tedesco: Guitar Sonata in D Major, Op. 77 "Omaggio a Boccherini": III. Tempo di minuetto. Cerimonioso con grazia - Trio
Mozart: Mass in C Minor, K. 427 "Great": VII. Quoniam tu solus
Vivaldi: Concerto for Two Trumpets in C Major, RV 537: I. Allegro
Vivaldi: Concerto for Two Trumpets in C Major, RV 537: II. Largo
Vivaldi: Concerto for Two Trumpets in C Major, RV 537: III. Allegro
Grieg: Intermezzo for Cello and Piano in A Minor
Adams: Two Fanfares for Orchestra: No. 1, Tromba lontana
Berlioz: La damnation de Faust, Op. 24, H 111, Pt. 2: "Villes entourées" - "Jam nox stellata velamina pandit" (Chœur, Faust, Méphistophélès)
Ives: Holidays Symphony: II. Decoration Day
Bartók: Concerto for Orchestra, Sz. 116: IV. Intermezzo interrotto. Allegretto
Rachmaninov: 10 Preludes, Op. 23: No. 5 in G Minor
Vivaldi: Bassoon Concerto in E Minor, RV 484: I. Allegro poco
Vivaldi: Bassoon Concerto in E Minor, RV 484: II. Andante
Vivaldi: Bassoon Concerto in E Minor, RV 484: III. Allegro
Schumann, Clara: Piano Concerto No. 1 in A Minor, Op. 7: II. Romanze. Andante non troppo con grazia
Poulenc: Concerto for Two Pianos in D Minor, FP 61: II. Larghetto
Orchestre Philharmonique de Radio France
Locatelli: L'arte del violino, Op. 3: Violin Concerto No. 12 in D Major "Il laberinto armonico": I. Allegro
Sibelius: 2 Pieces from Kuolema, Op. 44: No. 1, Valse triste
Rachmaninov: 2 Pieces for Piano Six-Hands: No. 2, Romance
Ysaÿe: Sonata for Solo Violin in A Minor, Op. 27 No. 4: I. Allemanda. Lento maestoso
Shostakovich: Concerto for Piano, Trumpet and String Orchestra No. 1 in C Minor, Op. 35: I. Allegretto
Beethoven: String Quartet No. 8 in E Minor, Op. 59 No. 2 "Razumovsky": III. Allegretto
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2e0dc6e0366a1e47d4560b2474d54ea58c389cbc548ce075ca1f6472d099af8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5udGwre37g3Rfd5pUZlvax.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5udGwre37g3Rfd5pUZlvax.
Evening Song (Arr. D'Angelo & Muñoz for Voice and Piano)
Duo for Violin and Violoncello, Op. 7: I. Allegro serioso, non troppo
Kodály: Duo for Violin and Violoncello, Op. 7 - Dvořák: Piano Trio, Op. 90 "Dumky"
Duo for Violin and Violoncello, Op. 7: II. Adagio - Andante
Duo for Violin and Violoncello, Op. 7: III. Maestoso e largamente, ma non troppo lento - Presto
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