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 0x2710674916db00be0787340e0ccca64d5c805b798237d14497058597d4ede5a3. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e0d70acd-93f1-4d77-9ed5-70bb8b12015d.json and https://artists.proofprofile.net/proofs/artist/e0d70acd-93f1-4d77-9ed5-70bb8b12015d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vom Himmel hoch: Vom Himmel hoch, da komm ich her
Christmas Oratorio, BWV 248, Part I: Jauchzet, frohlocket, auf, preiset die Tage
St. Matthew Passion, BWV 244, Part I: Kommt, ihr Tochter, helft mir klagen
Zadok the Priest, HWV 258: III. God save the King
St. Luke Passion, Pt. 1: Part I: O Crux ave (Hymn 'Vexilla Regis prodeunt')
St. Luke Passion, Pt. 2: Part II: In pulverem mortis … / In te, Domine, speravi (Psalm 30)
Gloria in D Major, RV 589: Gloria in excelsis Deo
Symphony No. 8 in E-Flat Major, "Symphony of a Thousand": Part II. Final Scene from Faust: Alles Vergangliche ist nur ein Gleichnis
Cardinal Stefan Wyszynski University Choir
Magnificat in D Major, BWV 243: Magnificat anima mea
Te Deum, WAB 45: Te Deum laudamus - Te ergo quaesumus
Grande messe des morts, Op. 5, "Requiem": Agnus Dei
Chetham's School of Music Symphonic Brass Ensemble
4 Choral songs, Op. 53: No. 1. There is Sweet Music
The Choir of St. Mary's Episcopal Cathedral
All-night Vigil, Op. 37, "Vespers": Hail, O Virgin Mother (Ave Maria)
Symphony of Psalms: I. Exaudi orationem meam, Domine (Psalm 39, 12-13)
Requiem in D Minor, K. 626: Introit: Requiem aeternam
Requiem in D Minor, K. 626: Sequence: I. Dies irae
Missa Papae Marcelli: Masses, Book 2: Missa Papae Marcelli: Kyrie
Fantasia in C Minor, Op. 80, "Choral Fantasy"
Ein deutsches Requiem (A German Requiem), Op. 45: I. Selig sind, die da Leid tragen
Munich University of Music Chamber Choir
Messa da Requiem: Dies irae: Dies irae, dies illa
Berliner Messe (1997 Revised Version): Kyrie
Berliner Messe (1997 Revised Version): Gloria
Mass in B Minor, BWV 232: Kyrie: Kyrie eleison
Berliner Messe (1997 Revised Version): Agnus Dei
Mass in B Minor, BWV 232: Agnus Dei: Dona nobis pacem
Elias, Op. 70, MWV A 25, Pt. 2: Elijah, Op. 70, Part II: Alsdann wird euer Licht hervorbrechen
Vespro della Beata Vergine, "1610 Vespers": Domine ad adiuvandum
The English Cornett and Sackbut Ensemble
Die Schopfung (The Creation), Hob.XXI:2, Part I: Stimmt an die Saiten (Awake the harp)
Choir of Gonville & Caius College, Cambridge
Spellbinding Classics: Classical Music for the Witching Hour
Polish National Radio Symphony Orchestra
Hamlet Suite, Op. 116a: The Ghost (Suite, No. 3)
The Invisible Man Returns: The Ghost (orch. J. Morgan)
Peer Gynt Suite No. 1, Op. 46: II. The Death of Aase
CSSR State Philharmonic Orchestra, Kosice
3 Utwory w dawnym stylu (3 Pieces in Old Style): III. —
Nocturne No. 19 in E Minor, Op. 72, No. 1
Hamlet Suite, Op. 116a: Story of Horatio and the Ghost
Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
Götterdämmerung: Gotterdammerung (Twilight of the Gods), Act III: Siegfried's Funeral March
Requiem in D Minor, K. 626: Sequence No. 6: Lacrimosa dies illa
Symphony No. 3, Op. 36, "Symfonia piesni zalosnych" (Symphony of Sorrowful Songs): II. Lento e largo (excerpt)
La Belle et la Bete (Beauty and the Beast): Moments d'effroi (Frightful Moments)
Symphony in D Minor, D. 810, "Death and the Maiden" (Arr. A. Stein)
Piano Trio in D Major, Op. 70, No. 1, "Ghost": II. Largo assai ed espressivo
Symphony No. 8 in C Minor, WAB 108 (original 1887 version, ed. L. Nowak): I. Allegro moderato
Tod und Verklarung (Death and Transfiguration), Op. 24, TrV 158
Cantata, BWV 147: Herz und Mund und Tat und Leben, BWV 147: Chorale: Jesus bleibet meine Freude
Brandenburg Concerto No. 2 in F Major, BWV 1047: I. —
Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
18 Chorale Preludes "Leipziger": An Wasserflussen Babylon, BWV 653
18 Chorales, BWV 651-668, "Leipziger Chorale": Allein Gott in der Hoh sei Ehr, BWV 662
Cantata, BWV 140: Wachet auf, ruft uns die Stimme, BWV 140: Chorale: Wachet auf, ruft uns die Stimme
Mass in B Minor, BWV 232: Dona nobis pacem
Concerto in the Italian Style in F Major, BWV 971, "Italian Concerto": II. Andante
Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
French Suite No. 6 in E Major, BWV 817: IV. Gavotte
Concerto in the Italian Style, BWV 971, "Italian Concerto": I. (Allegro)
6 Violin Sonatas, No. 5 in F Minor, BWV 1018: I. (Adagio)
6 Violin Sonatas, No. 5 in F Minor, BWV 1018: II. Allegro
Keyboard Partita No. 3 in A Minor, BWV 827: I. Fantasia
Keyboard Partita No. 3 in A Minor, BWV 827: II. Allemande
Keyboard Partita No. 3 in A Minor, BWV 827: VII. Gigue
Harpsichord Concerto in E Major, BWV 1053: I. Allegro
Toccata & Fugue in D Minor, BWV 565: Fugue
2-Part Inventions: Invention No. 1 in C Major, BWV 772
2-Part Inventions: Invention No. 8 in F Major, BWV 779
Passacaglia & Fugue in C Minor, BWV 582: Fugue
The Well-Tempered Clavier, Book 1, BWV 846-869: Prelude No. 1 in C Major, BWV 846
Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
Violin Partita No. 3 in E Major, BWV 1006: IV. Menuet I-II
Violin Partita No. 3 in E Major, BWV 1006: VI. Gigue
Cello Suite No. 1 in G Major, BWV 1007: V. Menuet I-II
Cello Suite No. 1 in G Major, BWV 1007: VI. Gigue
St. Matthew Passion, BWV 244: Kommt, ihr Tochter, helft mir klagen
St. Matthew Passion, BWV 244: O Haupt voll Blut und Wunden
St. Matthew Passion, BWV 244: Wir setzen uns mit Tranen nieder
6 Chorale Preludes, Op. 5 "Schübler": 6 Schubler Chorales, BWV 645-650: Kommst du nun, Jesu, vom Himmel herunter, BWV 650
Cantata: Herz und Mund und Tat und Leben, BWV 147: Herz und Mund und Tat und Leben
Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
Concerto for 2 Violins in D Minor, BWV 1043: III. Allegro
Orchestral Suite No. 3 in D Major, BWV 1068: I. Ouverture
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
Orchestral Suite No. 3 in D Major, BWV 1068: III. Gavotte I-II
Orchestral Suite No. 3 in D Major, BWV 1068: IV. Bourree
Orchestral Suite No. 3 in D Major, BWV 1068: V. Gigue
Requiem, Op. 48 (1893 version): Introit and Kyrie
Die sieben Worte Jesu Christi am Kreuz, SWV 478: Symphonia
Russian Chant for Vespers: The Angel Cried
5 Meditations sur l'apocalypse: Cinq Meditations sur l'Apocalypse: II. Il etait, Il est et Il vient
Leonore Prohaska, WoO 96: No. 4. Funeral March
Symphony No. 14, "Symphony in Microtones": III. The Lonesome Ones: Homage to Otto Luening (1900-1996)
Requiem in D Minor, K. 626: Sequence: Lacrimosa dies illa
Piano Trio No. 2 in E-Flat Major, D. 929: II. Andante con moto
3 Utwory w dawnym stylu (3 Pieces in Old Style): 3 Olden Style Pieces: III. —
Muzyka zalobna (Musique funebre): Prologue
Orkiestra Filharmonii Narodowej w Warszawie
Narodowa Orkiestra Symfoniczna Polskiego Radia
Requiem: II. Let Not Your Heart Be Troubled
Requiem: IX. In paradisum - Requiescant in pace
Magnificat & Nunc dimittis (Montréal): I. Magnificat
Magnificat & Nunc dimittis (Montréal): II. Nunc dimittis
B Minor Mass, BWV 232: Gloria in excelsis Deo – Et in terra pax
B Minor Mass, BWV 232: Gratias agimus tibi
B Minor Mass, BWV 232: Qui Sedes ad dextram Patris
B Minor Mass, BWV 232: Quoniam tu solus sanctus
B Minor Mass, BWV 232: Cum Sancto Spiritu
B Minor Mass, BWV 232: Credo in unum Deum
B Minor Mass, BWV 232: Patrem omnipotentem
B Minor Mass, BWV 232: Et in unum Dominum
B Minor Mass, BWV 232: Et incarnatus est
B Minor Mass, BWV 232: Et in Spiritum Sanctum
B Minor Mass, BWV 232: Benedictus & Osanna
Narrow Streets (2021 Orchestral Version)
Means of Escape (From "Rainy Days") [2021 Orchestral Version]
Euterpe (Giver of Delight) [2021 Orchestral Version]
Rainy Days (From "Rainy Days") [2021 Orchestral Version]