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 0x7009fb422ab734759b10a2cc4ab78b856125e55aebc0f0c578e79b66fab500ff. Chain 2 (Bitcoin): anchored in block 953701 (2026-06-14T22:16:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7678826c-82ca-4440-aaff-e16dde0b34bd.json and https://artists.proofprofile.net/proofs/artist/7678826c-82ca-4440-aaff-e16dde0b34bd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Boháč: Suita drammatica - Kalabis: Symphony No. 4
Symphony No. 4, Op. 34: II. Allegro molto dramatico
Zuzana Růžičková hraje Bacha, Rychlíka a Kalabise
Italský koncert F dur, BWV 971: I. Allegro
Italský koncert F dur, BWV 971: II. Andante
Italský koncert F dur, BWV 971: III. Presto
Dueta pro cembalo z třetího dílu Clavier-Übung: I. Dueto č. 1 e moll BWV 802 - úvod nahrávky se nedochoval, snímek začíná v polovině šestého taktu
Dueta pro cembalo z třetího dílu Clavier-Übung: II. Dueto č. 2 F dur BWV 803
Dueta pro cembalo z třetího dílu Clavier-Übung: III. Dueto č. 3 G dur BWV 804
Dueta pro cembalo z třetího dílu Clavier-Übung: IV. Dueto č. 4 a moll BWV 805
Hommagi Gravicembalistici: II. Vive le neveu
Hommagi Gravicembalistici: III. Capricho
Tři akvarely pro cembalo, Op. 53: I. Allegro ma non troppo
Tři akvarely pro cembalo, Op. 53: II. Andante
Tři akvarely pro cembalo, Op. 53: III. Allegro molto
Zuzana Růžičková Plays Bach, Rychlík and Kalabis
Italian Concerto F Major, BWV 971: I. Allegro
Italian Concerto F Major, BWV 971: II. Andante
Italian Concerto F Major, BWV 971: III. Presto
Aquarelles, Op. 53: I. Allegro ma non troppo
Musica nova - Bohemica et Slovenica (Kalabis - Symphony No. 2, Ištvan - Ballad of the South)
Balada o jihu. Three Symphonic Frescoes: I. Tranquillo
Balada o jihu. Three Symphonic Frescoes: II. Allegretto
Balada o jihu. Three Symphonic Frescoes: III. Appassionato
Symphony No. 2 (Sinfonia pacis), Op. 18: I. Andante moderato
Symphony No. 2 (Sinfonia pacis), Op. 18: II. Allegro molto e drammatico
Symphony No. 2 (Sinfonia pacis), Op. 18: III. Andante, molto quieto
Symphony No. 2 (Sinfonia pacis), Op. 18: IV. Allegro commodo e giocoso
Youth. Overture for Large Orchestra, Op. 7
Concerto for Chamber Orchestra, Op. 3 "Hommage à Stravinsky": I. Allegro
Concerto for Chamber Orchestra, Op. 3 "Hommage à Stravinsky": II. Andante
Concerto for Chamber Orchestra, Op. 3 "Hommage à Stravinsky": III. Allegro
Concerto for Cello and Orchestra, Op. 8: I. Allegro moderato
Concerto for Cello and Orchestra, Op. 8: II. Largo
Concerto for Cello and Orchestra, Op. 8: III. Allegro
Martinů, Krása & Kalabis: Harpsichord Concertos
Harpsichord Concerto, H. 246: I. Poco allegro
Harpsichord Concerto, H. 246: II. Adagio
Harpsichord Concerto, H. 246: III. Allegretto
Kammermusik for Harpsichord and 7 Instruments: I. Bewegt
Kammermusik for Harpsichord and 7 Instruments: II. Sehr ruhig (gehend)
Concerto for Harpsichord and String Orchestra, Op. 42: I. Allegro leggiero
Concerto for Harpsichord and String Orchestra, Op. 42: II. Andante
Concerto for Harpsichord and String Orchestra, Op. 42: III. Allegro vivo
Viktor Kalabis: Strážnice OP. 9 / Divertimento OP. 10
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: I. Andante Con Moto. Maestoso Festivamente
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: II. Andante Quasi Polka
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: III. Allegro Con Brio. Leggierssimo
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: IV. Andante Passionato
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: V. Vivo
Divertimento for Wind Quintet, OP. 10: I. Allegro Con Moto
Divertimento for Wind Quintet, OP. 10: II. Allegro Vivo
Divertimento for Wind Quintet, OP. 10: III. Andante (Poco Rubato)
Divertimento for Wind Quintet, OP. 10: IV. Vivo (Allegro Molto)
Divertimento for Wind Quintet, OP. 10: V. Allegro Ma Non Troppo
Piano Sonata No. 1, Op. 2: I. Allegro agitato
Piano Sonata No. 1, Op. 2: II. Grave - Moderato - Tempo di marcia funebre
Piano Sonata No. 1, Op. 2: III. Allegro feroce e vivacissimo
Piano Sonata No. 2, Op. 4: I. Introduzione. Largo, un poco rubato
Piano Sonata No. 2, Op. 4: II. Sonata. Allegro
Piano Sonata No. 3, Op. 57: I. Preludium. Adagio
Piano Sonata No. 3, Op. 57: II. Drama. Allegro drammatico
Accents, Op. 26: V. Agitato - Molto allegro
Entrata, aria e toccata per pianoforte, Op. 41: I. Entrata. Allegro moderato
Entrata, aria e toccata per pianoforte, Op. 41: II. Aria. Molto moderato
Entrata, aria e toccata per pianoforte, Op. 41: III. Toccata. Allegro impetuoso
Three Polkas for Piano, Op. 52: I. Allegro
Three Polkas for Piano, Op. 52: II. Allegro ma non troppo
Three Polkas for Piano, Op. 52: III. Vivo
Four Enigmas for Graham, Op. 71: I. Allegro
Four Enigmas for Graham, Op. 71: II. Allegretto
Four Enigmas for Graham, Op. 71: III. Grave
Four Enigmas for Graham, Op. 71: IV. Molto vivo
Two Toccatas for Piano, Op. 88: No. 1, Allegro moderato
Two Toccatas for Piano, Op. 88: No. 2, Allegro vivo
Allegro impetuoso per pianoforte, Op. 89
Kalabis: Sonatas for Cello, Clarinet, Violin and Piano
Cello Sonata, Op. 29: I. Allegro moderato
Cello Sonata, Op. 29: III. Allegro molto e drammatico
Clarinet Sonata, Op. 30: I. Allegro moderato
Clarinet Sonata, Op. 30: III. Allegro molto e drammatico
Šesták: String Concerto - Kalabis: Concerto for Harpsichord and Strings
Concerto fo String Orchestra: II. Andante sostenuto - Allegro, molto fresco
Concerto fo String Orchestra: III. Andante poco larghetto
Concerto fo String Orchestra: IV. Allegro assai, molto fresco
Concerto for Harpsichord and Strings, Op. 42: I. Allegro leggiero
Concerto for Harpsichord and Strings, Op. 42: II. Andante
Concerto for Harpsichord and Strings, Op. 42: III. Allegro vivo
Viktor Kalabis: The Complete String Quartets
String Quartet No. 1, Op. 6: I. Allegro moderato
String Quartet No. 4, Op. 62 "Tribute to J.S. Bach" (in one movement)
String Quartet No. 1, Op. 6: II. Alla polka
String Quartet No. 5, Op. 63 "In memory of Marc Chagall": I. Molto vivo
String Quartet No. 1, Op. 6: III. Elegia - Largo
String Quartet No. 5, Op. 63 "In memory of Marc Chagall": II. Adagio. Con serieta
String Quartet No. 1, Op. 6: IV. Allegro vivace
String Quartet No. 5, Op. 63 "In memory of Marc Chagall": III. Allegro molto - Gaiamente - Andante - Molto quieto - Moderato - Allegro molto
String Quartet No. 2, Op. 19: I. Prolog. Adagio molto quieto
String Quartet No. 6, Op. 68 "In memory of Bohuslav Martinů": I. Allegro
String Quartet No. 2, Op. 19: II. Allegro molto - Andante molto quieto - Tempo I - Andante molto quieto - Tempo I
String Quartet No. 6, Op. 68 "In memory of Bohuslav Martinů": II. Andante
String Quartet No. 2, Op. 19: III. Epilog. Adagio
String Quartet No. 6, Op. 68 "In memory of Bohuslav Martinů": III. Allegro vivo
String Quartet No. 3, Op. 48: I. Allegro ma non troppo
String Quartet No. 7, Op. 76 (in one movement)
String Quartet No. 3, Op. 48: II. Adagio
String Quartet No. 3, Op. 48: III. Allegro vivo - Adagio - Allegro
Shostakovitch: Concerto For Piano & Orchestra
Concerto for Piano and Orchestra, Op. 192: I. Allegro
Concerto for Piano and Orchestra, Op. 192: II. Andante
Concerto for Piano and Orchestra: I. Allegro moderato
Concerto for Piano and Orchestra: II. Andante / III. Allegro vive
String Quartet No. 5, Op. 63: I. Molto vivo
String Quartet No. 5, Op. 63: II. Adagio - Con serieta
String Quartet No. 5, Op. 63: III. Allegro molto - Gaiamente - Andante - Molto Quieto - Moderato - Allegro molto
String Quartet No. 6, Op. 68: I. Allegro
String Quartet No. 6, Op. 68: II. Andante
String Quartet No. 6, Op. 68: III. Allegro vivo
Kalabis: Youth. Overture for Large Orchestra
Kalabis: Youth. Overture for Large Orchestra, Op. 7
Symphony No. 2, Op. 18: I. Andante moderato
Symphony No. 2, Op. 18: II. Allegro molto e drammatico
Symphony No. 2, Op. 18: III. Andante, molto quieto /att./
Symphony No. 2, Op. 18: IV. Allegro comodo e giocoso
Violin Concerto No. 1, Op. 17: I. Maestoso. Andante
Violin Concerto No. 1, Op. 17: II. Andante angoscioso. Quasi adagio
Violin Concerto No. 1, Op. 17: III. Allegro vivace
Symphonic Variations for Large Orchestra, Op. 24
Concerto for Large Orchestra, Op. 25: I. Allegro
Concerto for Large Orchestra, Op. 25: II. Adagio
Concerto for Large Orchestra, Op. 25: III. Allegro assai
Concerto for Large Orchestra, Op. 25: IV. Allegro vivo
Symphony No. 3, Op. 33: I. Molto moderato
Symphony No. 3, Op. 33: II. Allegro molto drammatico
Symphony No. 3, Op. 33: III. Adagio molto e quieto
Trumpet Concerto, Op. 36: I. Allegretto moderato - Live
Trumpet Concerto, Op. 36: II. Andante. Vivo. Andante. Allegro vivo - Live
Concerto for Harpsichord and Strings, Op. 42: III. Allegro vivo II
Concerto for Piano and Wind Instruments, Op. 64: IV. Allegro vivo - Andante - Poco vivo
Concertino for Basson and Wind Instruments, Op. 61
Vybrané poslechové skladby pro 1. tř. ZDŠ
Dana´s Songs and Nursery Rhymes, Op. 49: Kocour - polka
Pomožeme slávikovi. Spievanky pre najmenších: Milý ty moj kamarát
Pomožeme slávikovi. Spievanky pre najmenších: Čo sa stalo v nedeľu
Richard Kubernát s improvizační skupinou
V trávě. 15 dětských tanečních her Libuše Kurkové: V trávě
V trávě. 15 dětských tanečních her Libuše Kurkové: Klubko
Concertino for Harpsichord & Strings: I. Allegro
Concertino for Harpsichord & Strings: II. Andante
Concertino for Harpsichord & Strings: III. Allegro vivace
Concertino da camera: I. Allegro non troppo
Concertino da camera: II. Molto moderato
Harpsichord Concerto, Op. 42: I. Allegro leggiero
Harpsichord Concerto, Op. 42: II. Andante
Harpsichord Concerto, Op. 42: III. Allegro vivo
Concerto for Amplified Harpsichord & Strings: I. —
Concerto for Amplified Harpsichord & Strings: II. —
Concerto for Amplified Harpsichord & Strings: III. —
Concerto for Amplified Harpsichord & Strings: IV. —
Concerto for Amplified Harpsichord & Strings: V. —
Concerto for Amplified Harpsichord & Strings: VI. —
Variations on a Theme and on the Death of Jan Rychlík
Symphony No. 1 in D Major: I. Lento - Allegro feroce
Symphony No. 1 in D Major: II. Scherzo. Allegro possibile
Symphony No. 1 in D Major: III. Allegretto moderato
Symphony No. 1 in D Major: IV. Allegro vivo
Piano Concerto No. 3: III. Allegro vivace
Feld, Bárta, Flosman, Kalabis: Wind Quintet
Wind Quintet No. 2: III. Scherzo. Allegro con brio
Wind Quintet No. 2: IV. Finale. Adagio, ma non troppo
Small Chamber Music for Wind Quintet, Op. 27: I. Allegro
Small Chamber Music for Wind Quintet, Op. 27: II. Andante
Small Chamber Music for Wind Quintet, Op. 27: III. Allegro molto
Music for 5 Wind instruments: I. Allegro
Music for 5 Wind instruments: II. Andante molto quieto a serioso
Music for 5 Wind instruments: III. Finale. Allegro molto
Suite for Wind Quintet: I. Intrada. Allegretto
Suite for Wind Quintet: II. Choral. Moderato maestoso
Suite for Wind Quintet: III. Preludium. Andante
Suite for Wind Quintet: IV. Quasi polonaise. Moderato
Suite for Wind Quintet: VI. Finale. Allegro
Janáček: Suite for Strings - Martinů: Partita, Serenade No. 2 - Kalabis: Diptych for Strings
Jirásek, Kalabis, Matys, Sluka: Week of Contemporary Production in 1974
Květomluva, The Cycle of Songs: II. Hortensie
Květomluva, The Cycle of Songs: III. Gardénie
Květomluva, The Cycle of Songs: IV. Sněženka
Květomluva, The Cycle of Songs: V. Pomněnka
Květomluva, The Cycle of Songs: VI. Mezihra
Květomluva, The Cycle of Songs: VII. Pustoryl
Suite for Viola and Bass Clarinet: I. Con moto. Meno mosso
Suite for Viola and Bass Clarinet: II. Moderato
Suite for Viola and Bass Clarinet: III. Sostenuto
Suite for Viola and Bass Clarinet: IV. Allegro energico
Hudba k odpolední kávě, Suita pro čtyři klarinety: I. Veselí venkované
Hudba k odpolední kávě, Suita pro čtyři klarinety: II. Dáma s chryzantémou
Hudba k odpolední kávě, Suita pro čtyři klarinety: III. Na plese
Hudba k odpolední kávě, Suita pro čtyři klarinety: IV. Cesta na automobilu
Kalabis, Lucký Svatoš: Week of New Production 1986
String Quartet No. 5, Op. 63: III. Allegro molto - Gaiamente - Andante - Molto quieto - Moderato - Allegro molto
String Quartet No. 2: I. Tranquillo; Allegro energico
String Quartet No. 2: II. Andante cantabile
Martinu & Janacek: Czech Music 20th Century
Suite for String Orchestra: III. Andante con moto
Ordre XXII: No. 6, Menuets croisés: Quatrième livre de pièces de clavecin
Kvintetiáda: II. Intermezzo. Fantastico - Allegro
Kvintetiáda: III. Rondo semplice. Andante
Martinů, Kalabis, Husa, Feld: Czech Viola Sonatas
Viola Sonata, H. 355: II. Allegro non troppo
Suite for Viola and Piano, Op. 5: I. Allegro moderato
Suite for Viola and Piano, Op. 5: II. Moderato
Suite for Viola and Piano, Op. 5: III. Allegretto marciale
Romantic Love Songs, Op. 38: Zum Einschlafen zu sagen
Romantic Love Songs, Op. 38: Lösch mir die Augen aus...
Romantic Love Songs, Op. 38: Der Einhorn
Romantic Love Songs, Op. 38: Und wie mag die Liebe...
Three Songs for Flute, Soprano and Piano: Pro lásku
Three Songs for Flute, Soprano and Piano: Odpověď
Three Songs for Flute, Soprano and Piano: Útěcha
Řecký slovník. 9 Female Choruses with Harp: Megalofrosyne
Řecký slovník. 9 Female Choruses with Harp: Kalokagathia
Řecký slovník. 9 Female Choruses with Harp: Maches epidymia
Řecký slovník. 9 Female Choruses with Harp: Agape - Hetairia
Řecký slovník. 9 Female Choruses with Harp: Aganaktesis
Řecký slovník. 9 Female Choruses with Harp: Thanatos
Řecký slovník. 9 Female Choruses with Harp: Amfisbetesis
Řecký slovník. 9 Female Choruses with Harp: Algedon
Řecký slovník. 9 Female Choruses with Harp: Charmone - Syntychia
6 Songs for Voice and Piano. Selection: Herbsttag
6 Songs for Voice and Piano. Selection: Volksweise
6 Songs for Voice and Piano. Selection: Zum Einschlafen zu Sagen
6 Songs for Voice and Piano. Selection: Der Abend ist mein Buch
6 Songs for Voice and Piano. Selection: Vorgefühl
Sonata capriciosa, Op. 60: I. Allegro moderato
Sonata capriciosa, Op. 60: II. Larghetto
Sonata capriciosa, Op. 60: III. Allegro con spirito
Violin Sonata, Op. 58: III. Molto vivo - Andante
Brass Quintet: I. Con moto - Poco rubato
Piano Quartet No. 1, H. 287: I. Poco Allegro
Piano Quartet No. 1, H. 287: III. Allegretto poco moderato
Variation 5: Moderato molto - Prestissimo - Cadenza -
Musique Concertante: II. Tranquillo ma con moto
Musique Concertante: III. Allegro giocoso
Koncertantni Hudba (Concert Music): I. 2/4
Koncertantni Hudba (Concert Music): II. 3/4
Koncertantni Hudba (Concert Music): III. 2/4
Písně a říkanky dětského roku: No. 1, Jaro na vsi - Live
Písně a říkanky dětského roku: No. 2, Léto na vsi - Live
3 Children Choruses, Op. 47: No. 1, Tube nad Cock - Live
3 Children Choruses, Op. 47: No. 2, Violin and Black Bird - Live
3 Children Choruses, Op. 47: No. 3, Bass and Bear - Live
Children's Choirs: No. 1, Ptáčkové miláčkové - Live
Children's Choirs: No. 2, Děťátko - Live
Children's Choirs: No. 3, Ptám se, pampeliško - Live
Children's Choirs: No. 5, Koukej se, sluníčko - Live
Children's Choirs: No. 6, Rozpočítadlo - Live
Eben, Korte & Kalabis: Compositions for Violin and Piano
Violin Sonata, Op. 58: III. Molto vivo - Andante - Adagio
Philosophical Dialogues: No. 1, Basic Question
Philosophical Dialogues: No. 2, Full Stop to an Old Story
Philosophical Dialogues: No. 3, Between Happiness and Truth
Sonatina semplice: II. Moderato e cantabile
Sonatina semplice: III. Vivace ed accentuato
3 Old Testament Frescoes: No. 1, Saul and the Prophetess in En Dor
3 Old Testament Frescoes: No. 2, Elihu contra Job
3 Old Testament Frescoes: No. 3, Hallelujah (Psalm 150)
String Quartet No. 2, Op. 19: II. Allegro molto
String Quartet in D Minor: I. Allegro moderato melancolico
String Quartet in D Minor: II. Adagio ma non troppo
Zpěvánky. Směs: O hruškách, andulkách, kytaře a parním budíkuKvíz pro budoucího letce
3 Children Choruses, Op. 47: Tube nad Cock
3 Children Choruses, Op. 47: Violin and Black Bird
3 Children Choruses, Op. 47: Bass and Bear
Letokruh: Důležitá paní vrána /listopad/
Letokruh: Zkřehlý chocholoušek /prosince/
Letokruh: Motýli na bodlácích /červenec/
Krejčí: Serenade for Orchestra - Kalabis: Two Worlds, Violin Concerto, No. 2
Two Worlds, Ballet Music, Op. 54: I. Allegro - Andante - Allegro molto e drammatico - Sollennemente
Two Worlds, Ballet Music, Op. 54: II. Andante - Allegro vivo - Andante
Kalabis: Cello Sonata - Řezáč: Torso of a Schumann Statue - Hlobil: Double Bass Concerto
Cello Sonata, Op. 29: III. Allegro molto drammatico
Double Bass Concerto, Op. 70: I. Allegro assai
Double Bass Concerto, Op. 70: III. Allegro con brio