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 0x82bf7d876baf10e1acdeeb165edfdd95b1fe778edc64d0dcdea15e42ada8f17a. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/05871ec9-9713-4dc5-9b0a-226344634928.json and https://artists.proofprofile.net/proofs/artist/05871ec9-9713-4dc5-9b0a-226344634928.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mass of the Eternal Flame: New Music by Ēriks Ešenvalds & Rachel Laurin
Mass of the Eternal Flame: Sanctus and Benedictus
Symphony No. 5: II. Canone 1. Comodo e tranquillo (Live)
Symphony No. 5: III. Scherzino. Molto vivace (Live)
Symphony No. 5: IV. Canone 2. Adagio (Live)
Symphony No. 5: V. Finale. Molto allegro e con fuoco (Live)
Messe “Cum Jubilo” pour choeur de barytons et orgue, Op. 11: I. Kyrie
Messe “Cum Jubilo” pour choeur de barytons et orgue, Op. 11: II. Gloria
Messe “Cum Jubilo” pour choeur de barytons et orgue, Op. 11: III. Sanctus
Messe “Cum Jubilo” pour choeur de barytons et orgue, Op. 11: IV. Benedictus
Messe “Cum Jubilo” pour choeur de barytons et orgue, Op. 11: V. Agnus dei
Quatre Motets sur des thèmes grégoriens pour choeur a cappella, Op.10: I. Ubi caritas
Quatre Motets sur des thèmes grégoriens pour choeur a cappella, Op. 10: II. Tota pulchra es
Quatre Motets sur des thèmes grégoriens pour choeur a cappella, Op. 10: III. Tu es petrus
Quatre Motets sur des thèmes grégoriens pour choeur a cappella, Op. 10: IV. Tantum ergo
Requiem pour soli, choeurs et orgue, Op. 9: I. Introit
Requiem pour soli, choeurs et orgue, Op. 9: II. Kyrie
Requiem pour soli, choeurs et orgue, Op. 9: III. Domine Jesu Christe
Requiem pour soli, choeurs et orgue, Op. 9: IV. Sanctus & Benedictus
Requiem pour soli, choeurs et orgue, Op. 9: V. Pie Jesu
Requiem pour soli, choeurs et orgue, Op. 9: VI. Agnus Dei
Requiem pour soli, choeurs et orgue, Op. 9: VII. Lux aeterna
Requiem pour soli, choeurs et orgue, Op. 9: VIII. Libera me
Requiem pour soli, choeurs et orgue, Op. 9: IX. In Paradisum
Rothko Chapel - Morton Feldman / Erik Satie / John Cage
The Blue Estuaries: III. To Be Sung On The Water
A Dome of Many-Coloured Glass: I. Listening
A Dome of Many-Coloured Glass: II. At Night
A Dome of Many-Coloured Glass: III. Hora Stellatrix
A Dome of Many-Coloured Glass: IV. A Winter Ride
The Blue Estuaries - American Choral Music
Songs of Nature: No. 2. God is at the Anvil
Songs of Nature: No. 3. Hang me among your winds
Come Away to the Skies (arr. A. Parker for choir)
Hark, I hear the Harps Eternal (arr. A. Parker for choir)
Oh Shenandoah (arr. A. Houkom for choir)
Oh! Susanna (arr. E. Fissinger for choir)
Gentle Annie (arr. E. Fissinger for choir)
The Blue Estuaries: To Be Sung on the Water
Colonna: Psalmi ad Vesperas, Op. 12 (1694)
Psalmi Ad Vesperas, Op. 12: I. Deus in Adjutorium Meum Intende, Domine Ad Adjuvandum Me Festina
Psalmi Ad Vesperas, Op. 12: II. Dixit Dominus (Psalm 109)
Psalmi Ad Vesperas, Op. 12: III. Confitebor Tibi Domine (Psalm 110)
Psalmi Ad Vesperas, Op. 12: IV. Beatus Vir (Psalm 111)
Psalmi Ad Vesperas, Op. 12: V. Laudate Dominum Omnes Gentes (Psalm 116)
Psalmi Ad Vesperas, Op. 12: VI. Nisi Dominus (Psalm 126)
Psalmi Ad Vesperas, Op. 12: VII. Magnificat Anima Mea Dominum
Robert Simpson: Symphony No. 3 & Clarinet Quintet
Symphony No. 3: I. Allegro ma non troppo
Clarinet Quintet: IV. Lento grazioso e tranquillo
Ravishingly Russian: Secular Choral Music 1874-1994
The Storm Has Wrapped the Sky in Darkness: The Storm Has Wrapped the Sky in Darkness
The Ruins of the Tower: The Ruins of the Tower
Panteley the Healer: Panteley the Healer
Behold, Shadows Have Fallen: Behold, Shadows Have Fallen
Simpson: Symphony No. 11 & Variations on a Theme by Nielsen
Variations on a Theme by Nielsen: Theme. Allegretto
Variations on a Theme by Nielsen: Var. 1. L'istesso tempo
Variations on a Theme by Nielsen: Var. 2. Crotchet = quaver del precedente
Variations on a Theme by Nielsen: Var. 3. Poco meno
Variations on a Theme by Nielsen: Var. 4. Allegro non troppo
Variations on a Theme by Nielsen: Var. 5. [No Tempo Marking]
Variations on a Theme by Nielsen: Var. 6. [No Tempo Marking]
Variations on a Theme by Nielsen: Var. 7. [No Tempo Marking]
Variations on a Theme by Nielsen: Var. 8. Prestissimo
Variations on a Theme by Nielsen: Var. 9. Adagio
Variations on a Theme by Nielsen: Finale. Minim = crotchet del precedente
Simpson: Complete Choral and Organ Music
Eppur si muove for Organ: II. Passacaglia
Simpson: String Quartet No. 13 & String Quintet No. 2
Clarinet Quintet: Ib. Allegro ma non troppo
Clarinet Quintet: IV. Grazioso e tranquillo
Clarinet Quintet: Vb. Andantino – Meno mosso, molto sereno
String Quintet No. 2: I. Moderato. Tempo I
String Quintet No. 2: II. Allegro. Tempo II
Symphony No. 1: IIa. "Slow Movement", Pt. 1
Symphony No. 1: IIb. "Slow Movement", Pt. 2
Symphony No. 1: IIc. "Slow Movement", Pt. 3
Piano Sonata: II. Molto adagio e tranquillo
Variations & Finale on a Theme of Haydn: Theme. Tempo di menuetto
Variations & Finale on a Theme of Haydn: Var. 1-4
Variations & Finale on a Theme of Haydn: Var. 5-8
Variations & Finale on a Theme of Haydn: Var. 9-12
Variations & Finale on a Theme of Haydn: Finale. Allegro moderato
Variations & Finale on a Theme by Beethoven: Theme. Allegretto quasi andante
Variations & Finale on a Theme by Beethoven: Var. 1-11
Variations & Finale on a Theme by Beethoven: Var. 12-21
Variations & Finale on a Theme by Beethoven: Var. 22-23
Variations & Finale on a Theme by Beethoven: Finale
Violin Sonata: II. Variationi e Ricercare
Symphony No. 5: II. Canone 1. Comodo e tranquillo
Symphony No. 5: III. Scherzino. Molto vivace
Symphony No. 5: V. Finale. Molto allegro e con fuoco
Quartet for Horn, Violin, Cello & Piano: I. Moto crescente
Quartet for Horn, Violin, Cello & Piano: IIa. Theme. &ante, semplice
Quartet for Horn, Violin, Cello & Piano: IIb. Var. 1
Quartet for Horn, Violin, Cello & Piano: IIc. Var. 2
Quartet for Horn, Violin, Cello & Piano: IId. Var. 3
Quartet for Horn, Violin, Cello & Piano: IIe. Var. 4
Quartet for Horn, Violin, Cello & Piano: IIf. Coda
String Quartet No. 14: I. Allegro non troppo
Quintet for Clarinet, Bass Clarinet & String Trio: I. Adagio tranquillo –
Quintet for Clarinet, Bass Clarinet & String Trio: II. Allegro –
Quintet for Clarinet, Bass Clarinet & String Trio: III. Adagio
Symphony No. 2: III. Non troppo allegro, ma con brio
Symphony No. 4: IV. Finale. Allegro vivace
Simpson: String Quartet No. 12 & String Quintet
Symphony No. 10: III. Andante molto mosso
Symphony No. 10: IV. Largo – Allegro con brio
The Four Temperaments: I. Scherzo. Presto
The Four Temperaments: II. Intermezzo. Allegro placido
The Four Temperaments: III. Elegy. Mesto, sempre non vibrato
The Four Temperaments: IV. Fantasia. Allegro irato
Introduction and Allegro on a Bass by Max Reger: I. Adagio – Pesante
Introduction and Allegro on a Bass by Max Reger: II. Allegro vivace
String Quartet No. 1: I. Allegro moderato, semplice
String Quartet No. 1: II. Andante, grave – Allegro – Tempo I
String Quartet No. 4: III. Andante sostentuto
String Quartet No. 5: II. Adagio, sempre semplice
String Quartet No. 5: III. Allegretto vivace
Simpson: String Quartets Nos. 3 & 6 and String Trio
String Quartet No. 3: I. Con duolo a tenerezza. Adagio
String Quartet No. 3: II. Allegro deciso
String Quartet No. 6: I. Adagio – Vivacissimo
String Quartet No. 6: II. Con moto. Grazioso ed intensivo
String Quartet No. 6: III. Molto tranquillo – Allegro grazioso – Tempo I
String Quartet No. 9: Thema. Tempo di minuetto
String Quartet No. 9: Var. 1. L'istesso tempo
String Quartet No. 9: Var. 2. Meno mosso, poco espressivo
String Quartet No. 9: Var. 3. Poco più mosso
String Quartet No. 9: Var. 4. Poco più mosso
String Quartet No. 9: Var. 5. Molto allegro
String Quartet No. 9: Var. 6. L'istesso tempo
String Quartet No. 9: Var. 7. [No Tempo Marking]
String Quartet No. 9: Var. 8. Allegro molto
String Quartet No. 9: Var. 9. L'istesso tempo
String Quartet No. 9: Var. 10. L'istesso tempo
String Quartet No. 9: Var. 11. [No Tempo Marking]
String Quartet No. 9: Var. 12. [No Tempo Marking]
String Quartet No. 9: Var. 13. [No Tempo Marking]
String Quartet No. 9: Var. 14. L'istesso tempo
String Quartet No. 9: Var. 16. L'istesso tempo
String Quartet No. 9: Var. 18. [No Tempo Marking]
String Quartet No. 9: Var. 19. [No Tempo Marking]
String Quartet No. 9: Var. 23. Poco meno mosso
String Quartet No. 9: Var. 25. Allegro molto vivace
String Quartet No. 9: Var. 26. Allegretto
String Quartet No. 9: Var. 27. L'istesso tempo
String Quartet No. 9: Var. 28. Prestissimo
String Quartet No. 9: Var. 31. L'istesso tempo
String Quartet No. 9: Var. 32. Adagissimo
Symphony No. 7: I. Sostenuto, marcato, Pt. 1
Symphony No. 7: II. Sostenuto, marcato, Pt. 2
Symphony No. 7: III. Sostenuto, marcato, Pt. 3
Symphony No. 7: IV. Sostenuto, marcato, Pt. 4
Symphony No. 7: V. Sostenuto, marcato, Pt. 5
String Quartet No. 10 "For Peace": I. Allegretto
String Quartet No. 10 "For Peace": II. Prestissimo
String Quartet No. 10 "For Peace": III. Molto adagio
String Quartet No. 11: III. Presto – Molto adagio pianissimo
Simpson: Symphony No. 9 & Illustrated Talk by the Composer
Symphony No. 9, Illustrated Talk by the Composer
String Quartet No. 8: I. Grave, molto intensivo
String Quartet No. 8: II. Molto vivace "Eretmapodites gilletti"
String Quartet No. 8: III. Allegretto grazioso
String Quartet No. 8: IV. Risoluto e concentrato
Quatre Motets sur des thèmes grégoriens pour choeur a cappella, Op. 10: I. Ubi caritas