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 0x38537a67576786c84257a4aefc5bc9cb00423230fc620f8b04ae10754e4f2adb. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bd858014-09a6-4fab-88f9-5a1d350fec39.json and https://artists.proofprofile.net/proofs/artist/bd858014-09a6-4fab-88f9-5a1d350fec39.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Harmonia artificiosa-ariosa, Partia No. 6 in D Major: I. Praeludium. Adagio - Allegro
Harmonia artificiosa-ariosa, Partia No. 6 in D Major: II. Aria con variato
Harmonia artificiosa-ariosa, Partia No. 6 in D Major: III. Finale. Adagio - Allegro
Pieces for Viola da gamba: II. Allemande
Pieces for Viola da gamba: III. Courante mit Variation
Pieces for Viola da gamba: IV. Sarabande mit Variation
Ricercare for Solo Cello No. 3 in D Major
Ricercare for Solo Cello No. 2 in A Minor
Handel: Concerto grosso in D Major, Op. 6 No. 5, HWV 323: I. Larghetto e staccato
Handel: Concerto grosso in D Major, Op. 6 No. 5, HWV 323: II. Allegro
Handel: Concerto grosso in D Major, Op. 6 No. 5, HWV 323: III. Presto
Handel: Concerto grosso in D Major, Op. 6 No. 5, HWV 323: IV. Largo
Handel: Concerto grosso in D Major, Op. 6 No. 5, HWV 323: V. Allegro
Handel: Concerto grosso in D Major, Op. 6 No. 5, HWV 323: VI. Menuet. Un poco larghetto
String Quartet No. 12 in E-Flat Major, Op. 127: I. Maestoso - Allegro
Beethoven: The Late Quartets, Op. 127 - 135
String Quartet No. 12 in E-Flat Major, Op. 127: II. Adagio, ma non troppo e molto cantabile - Andante con moto
String Quartet No. 12 in E-Flat Major, Op. 127: III. Scherzando vivace
String Quartet No. 12 in E-Flat Major, Op. 127: IV. Finale. Allegro
String Quartet No. 14 in C-Sharp Minor, Op. 131: I. Adagio ma non troppo e molto espressivo
String Quartet No. 14 in C-Sharp Minor, Op. 131: II. Allegro molto vivace
String Quartet No. 14 in C-Sharp Minor, Op. 131: III. Allegro moderato
String Quartet No. 14 in C-Sharp Minor, Op. 131: IV. Andante ma non troppo e molto cantabile
String Quartet No. 14 in C-Sharp Minor, Op. 131: V. Presto
String Quartet No. 14 in C-Sharp Minor, Op. 131: VI. Adagio quasi un poco andante
String Quartet No. 14 in C-Sharp Minor, Op. 131: VII. Allegro
String Quartet No. 13 in B-Flat Major, Op. 130: I. Adagio ma non troppo
String Quartet No. 13 in B-Flat Major, Op. 130: II. Presto
String Quartet No. 13 in B-Flat Major, Op. 130: III. Andante con moto ma non troppo