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 0x1de030411ad5dd8f53c59dda8fb6f44584c61be27506899d4ff1d9bda9a53d0e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9c7250f8-95e0-4013-86ff-47e062feb7bc.json and https://artists.proofprofile.net/proofs/artist/9c7250f8-95e0-4013-86ff-47e062feb7bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
Brandenburg Concerto No. 1 in F Major, BWV 1046: I. —
Brandenburg Concerto No. 3 in G Major, BWV 1048 (Excerpts): I. —
Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
Brandenburg Concerto No. 3 in G Major, BWV 1048 (Excerpts): III. Allegro
Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuet
Bach materia (After Bach's BWV 1048): Beginning
Bach materia (After Bach's BWV 1048): Cadenza (1)
Brandenburg Concerto No. 2 in F Major, Bwv 1047: I. —
Bach materia (After Bach's BWV 1048): Bar 110
Approach (Prelude to a Canon): I. Allegro impetuoso, volatile
Brandenburg Concerto No. 2 in F Major, Bwv 1047: II. Andante
Bach materia (After Bach's BWV 1048): Cadenza (2)
Approach (Prelude to a Canon): II. Calm, Serene
Brandenburg Concerto No. 2 in F Major, Bwv 1047: III. Allegro assai
Bach materia (After Bach's BWV 1048): Bar 191
Approach (Prelude to a Canon): III. Slightly Agitated Though Unhurried
Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. —
Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio, ma non tanto
Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
Det Bedste Fra Den Danske Guldalder (The Best of the Danish Golden Age)
Elverskud (The Elf-King's Daughter), Op. 30, Part Three: VII. Morgensang
Danish National Radio Symphony Orchestra
Symphony No. 1 in C Minor, Op. 5: I. Moderato con moto - Allegro energico
Ungdom og Galskab (Youth and Folly), Act II: Drikkevise
Holger Danske (Ogier the Dane), Act III, Scene II: Sitrer sagte, gyldne strenge
8 Etudes, Op. 51: Etude in C Major, Op. 51, No. 1: Prestissimo
Piano Sonata in D Minor, Op. 34: III. Scherzo: Allegro molto assai
Elverskud (The Elf-King's Daughter), Op. 30: Prolog
Elverskud (The Elf-King's Daughter), Op. 30, Part One: II. Oluf's Ballade
Guldhornene (The Golden Horns), Op. 11: I. Moderato con passione - II. Moderato con brio - III. Allegro non troppo
Elverhoj (The Elf Hill), Op. 100: Act V: Contredanse
Flute Sonata in G Major, Op. 69: III. Rondo: Allegro vivace
8 Etudes, Op. 51: Etude in D Minor, Op. 51, No. 6: Allegro con brio
Elverhoj (The Elf Hill), Op. 100: Act V: Ecossaise
Symphony No. 1 in G Minor, DF 117: II. Minuetto
Holger Danske (Ogier the Dane), Act II: Balletmusik
Das Halleluja der Schopfung (The Hallelujah of Creation): Skabningens Halleluja (The Hallelujah of Creation / Das Halleluja des Schopfung): Gerechter Richter
Liden Kirsten (Little Christine), Op. 44: Act II: Hor ungersvend, sig ikke nej (Tavlebordsduetten)
String Quartet in F Minor: IV. Andantino quasi allegretto - Allegro vivace
Piano Quartet in A Major, Op. 50: III. Scherzo: Presto (excerpt)
Cello Sonata in A Minor: II. Intermezzo: Allegretto
Ungdom og Galskab (Youth and Folly), Act I: Aria: Godnat, kabaler! Godnat, intriger!
Holger Danske (Ogier the Dane), Act I, Scene V: O fryd - ukendte kildren i mit bryst
Christmas Cantata No. 3, DF 26: No. 2. Poco andante: I Bethlehem hans vugge star
Symphony No. 1 in G Minor, Op. 17: III. Menuetto
Elverhoj (The Elf Hill), Op. 100, Act III: Nu da lensmanden bort vil drage
String Quartet in A Minor, Op. 122: I. Introduzione: Andante sostenuto - Allegro assai poco agitato
Elverhoj (The Elf Hill), Op. 100, Act V: Chorus: Beskaerm vor Konge
Piano Quintet in F Major: III. Intermezzo: Vivace, ma non troppo presto
Symphony No. 6 in C Minor, DF 122: II. Largo
Violin Sonata no. 1 in G Minor, Op. 8: IV. Finale: Allegro
Livjaegerne pa Amager (The Guard of Amager): Finale-galop
Pelle Gudmundsen-Holmgreen: Incontri – Works for Orchestra
Enna: Lille Pige Med Svovlstikkerne (Den) / Zemlinsky: Die Seejungfrau
Suite for Violin and Strings, Op. 117: III. In the Summer (Vivace)
Symphony No. 1 in G Minor, Op. 17: II. Andante