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 0xa73e181e68aef598fc33d0781a86d32f83572c9c261b9b80dcd5e66ebd2a1785. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/91cbe984-8049-4b81-bb12-574d17417987.json and https://artists.proofprofile.net/proofs/artist/91cbe984-8049-4b81-bb12-574d17417987.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Premier festival de l'art d'avant-garde de la Cité radieuse de Marseille, août 1956 (Collection trésors, mono version)
5 Lieder, Op. 4: No. 2, Noch zwingt mich Treue
5 Lieder, Op. 4: No. 3, Ja Heil und Dank dir die den Segen brachte!
5 Lieder, Op. 4: No. 4, So ich traurig bin
5 Lieder, Op. 4: No. 5, Ihr tratet zu dem Herde
Variations for Piano, Op. 27: I. Sehr mässig
Variations for Piano, Op. 27: II. Sehr schnell
Variations for Piano, Op. 27: III. Ruhig, fliessend
3 Songs from "Viae inviae", Op. 23: No. 1, Das dunkle Herz
3 Songs from "Viae inviae", Op. 23: No. 2, Es stürzt aus Höhen Frische
3 Songs from "Viae inviae", Op. 23: No. 3, Herr Jesus mein
4 Études de rythme: No. 2, Mode de valeurs et d'intensité
4 Études de rythme: No. 3, Neumes rythmiques
4 Études de rythme: No. 4, Île de feu II
2 Études de musique concrète: No. 2, Étude sur un accord de sept sons
Paul Jacobs Plays Bach (An Unedited Release)
Fantasy & Fugue in G Minor, BWV 542 ("Great"): I. Fantasy
Fantasy & Fugue in G Minor, BWV 542 ("Great"): II. Fugue
Great Eighteen Chorale Preludes, BWV 656: O Lamm Gottes, Unschuldig
Prelude & Fugue in A Minor, BWV 543: I. Prelude
Prelude & Fugue in A Minor, BWV 543: II. Fugue
Ich ruf zu dir Herr Jesu Christ, BWV 639
Trio Sonata No. 5 in C Major, BWV 529: I. Allegro
Trio Sonata No. 5 in C Major, BWV 529: II. Largo
Trio Sonata No. 5 in C Major, BWV 529: III. Allegro
Passacaglia & Fugue in C Minor, BWV 582: I. Passacaglia
Passacaglia & Fugue in C Minor, BWV 582: II. Fugue
Wayne Oquin, Parker & Rouse: Organ Concertos
Organ Concerto in E-Flat Minor, Op. 55: I. Allegro moderato - Andante
Organ Concerto in E-Flat Minor, Op. 55: II. Allegretto, ma ben marcato
Organ Concerto in E-Flat Minor, Op. 55: III. Allegro moderato, molto risoluto
Variations on "America": Var. 1, Moderato
Variations on "America": Var. 2, Andante
Variations on "America": Var. 3, Allegro
Variations on "America": Var. 4, Polonaise
Variations on "America": Var. 5 - Finale
Kammerkonzert: I. Thema scherzoso con variazioni
Kammerkonzert: III. Rondo ritmico con introduzione
O Divine Redeemer (Arr. for Soprano & Organ)
Once upon a Castle (Revised 2015 Version): I. The Winding Road to San Simeon [Live]
Michael Daugherty: Tales of Hemingway, American Gothic & Once upon a Castle (Live)
Once upon a Castle (Revised 2015 Version): II. Neptune Pool [Live]
Once upon a Castle (Revised 2015 Version): III. Rosebud [Live]
Once upon a Castle (Revised 2015 Version): IV. Xanadu [Live]
The Gospel According to Sister Aimee: I. Knock Out the Devil
Michael Daugherty: Mount Rushmore, Radio City & The Gospel According to Sister Aimee
The Gospel According to Sister Aimee: II. An Evangelist Drowns - Desert Dance
The Gospel According to Sister Aimee: III. To the Promised Land
Messe solennelle in A Major, Op. 12, FWV 61: Panis angelicus (Arr. for Soprano & Organ)