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 0xa5a8c4a28364382e6e9005176fac8a872411ae37dc49255436e881a639a93969. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8712ee8f-c854-4303-8c51-795a583a8acd.json and https://artists.proofprofile.net/proofs/artist/8712ee8f-c854-4303-8c51-795a583a8acd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sherman, Roger: Recital at Christ Church
Organ Sonata in F Major, Wq. 70/3, H. 84: I. Allegro
Organ Sonata in F Major, Wq. 70/3, H. 84: II. Largo
Organ Sonata in F Major, Wq. 70/3, H. 84: III. Allegretto
Herzlich tut mich verlangen: Variation 1
Herzlich tut mich verlangen: Variation 2
Herzlich tut mich verlangen: Variation 3
Herzlich tut mich verlangen: Variation 4
Herzlich tut mich verlangen: Variation 5
Herzlich tut mich verlangen: Variation 6
Herzlich tut mich verlangen: Variation 7
Herzlich tut mich verlangen: Variation 8
Freu dich sehr, o meine Seele, P. 129: Chorale (Live)
Freu dich sehr, o meine Seele, P. 129: Var. 1 (Live)
Freu dich sehr, o meine Seele, P. 129: Var. 2 (Live)
Freu dich sehr, o meine Seele, P. 129: Var. 3 (Live)
Freu dich sehr, o meine Seele, P. 129: Var. 4 (Live)
Freu dich sehr, o meine Seele, P. 129: Chorale (Da capo) [Live]
Vater unser im Himmelreich (Chorale Partita) [Live]
Keyboard Concerto in F Major, BWV 978 (After Vivaldi's RV 310): I. Allegro [Live]
Keyboard Concerto in F Major, BWV 978 (After Vivaldi's RV 310): II. Largo [Live]
Keyboard Concerto in F Major, BWV 978 (After Vivaldi's RV 310): III. Allegro [Live]
Prelude & Fugue in G Major, BWV 541: Prelude (Live)
Prelude & Fugue in G Major, BWV 541: Fugue (Live)
6 Chorale Preludes "Schübler-Chorales": No. 1, Wachet auf, ruft uns die Stimme, BWV 645 (Live)
6 Chorale Preludes "Schübler-Chorales": No. 2, Wo soll ich fliehen hin, BWV 646 (Live)
Herz und Mund und Tat und Leben, BWV 147: No. 10, Jesus bleibet meine Freude (Jesu, Joy of Man's Desiring) [Arr. for Organ] [Live]
Die Kunst der Fuge, BWV 1080 (The Art of the Fugue): Canon No. 4 alla duodecima in contrappunto alla quinta [Live]
Prelude & Fugue in C Major, BWV 547: Prelude (Live)
Prelude & Fugue in C Major, BWV 547: Fugue (Live)
Freu dich sehr, o meine Seele, P. 129: Chorale
Freu dich sehr, o meine Seele, P. 129: Variation 1
Freu dich sehr, o meine Seele, P. 129: Variation 2
Freu dich sehr, o meine Seele, P. 129: Variation 3
Freu dich sehr, o meine Seele, P. 129: Variation 4
Keyboard Concerto in F Major, BWV 978 (After Vivaldi's RV 310): I. Allegro
Keyboard Concerto in F Major, BWV 978 (After Vivaldi's RV 310): II. Largo
Keyboard Concerto in F Major, BWV 978 (After Vivaldi's RV 310): III. Allegro
Prelude & Fugue in G Major, BWV 541: Fugue
6 Chorale Preludes "Schübler-Chorales": Wachet auf, ruft uns die Stimme, BWV 645
6 Chorale Preludes "Schübler-Chorales": Wo soll ich fliehen hin (Auf meinen lieben Gott), BWV 646
Herz und Mund und Tat und Leben, BWV 147: Jesu, Joy of Man's Desiring (arr. for organ)
Die Kunst der Fuge (The Art of Fugue), BWV 1080: Canon IV, alla Duodecima in Contrapunto alla Quinta
Prelude & Fugue in C Major, BWV 547: Fugue
Prelude & Fugue in G Minor: I. Prelude (Live)
Vater Unser im Himmelreich (7 Verses) [Live]
Das Orgel-Büchlein: No. 38, Vater Unser im Himmelreich, BWV 636 (Live)
Organ Sonata in F Major, Wq. 70 No. 3, H. 84: I. Allegro (Live)
Organ Sonata in F Major, Wq. 70 No. 3, H. 84: II. Largo (Live)
Organ Sonata in F Major, Wq. 70 No. 3, H. 84: III. Allegretto (Live)
Herzlich tut mich verlangen, P. 378 (Live)
Prelude & Fugue in G Major BWV 541 (Live)
Kleines Orgelbuch (Excerpts): No. 13, Zeuch an die Macht, du Arm des Herrn [Live]
Kleines Orgelbuch (Excerpts): No. 10, Jesus Christus herrscht als König [Live]
Kleines Orgelbuch (Excerpts): No. 15, Nun freut euch, lieben Christen gmein [Live]
Kleines Orgelbuch (Excerpts): No. 14, Sonne der Gerechtigkeit [Live]
Purcell Suite: I. Fanfare in C Major (Live)
Purcell Suite: II. Trumpet Tune "Bonduca" (Live)
Purcell Suite: IV. Trumpet Tune "Cebell" (Live)
Pastorale in F Major, BWV 590: I. Alla siciliana (Live)
Pastorale in F Major, BWV 590: II. Allemande (Live)
Pastorale in F Major, BWV 590: III. Aria (Live)
Pastorale in F Major, BWV 590: IV. Alla gigue (Live)
6 Organ Chorales: No. 6, Schönster Herr Jesu (Live)
3 Psalm-Preludes, Set 1, Op. 32: No. 1, Psalm 34, V. 6 (Live)
Nun komm, der Heiden Heiland, BWV 659 (Live)
Schmücke dich, o liebe Seele, BWV 654 (Live)
Chorale Prelude: O Heil'ge Geest daal op on sneer (Wie schon leuchtet)
How Brightly Shines the Morning Star: Music for Epiphany
An Advent Procession based on The Great "O" Antiphons
Veni Emmanuel (O Come, O Come, Emmanuel) (Sung in English)
Organ Voluntary in A Minor, Op. 7, No. 8
St. Mark's Cathedral, Seattle: Thomsen Chapel Inaugural Recitals
Organ Voluntary in F Major, Op. 7, No. 6
Suite in D Major: IV. The Prince of Denmark's March, "Trumpet Voluntary" (arr. for organ)
Komm heiliger Geist, Herre Gott, BuxWV 199
11 Chorale Preludes, Op. 122: No. 3. O Welt, ich muss dich lassen