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 0x2defd4639827d76afc8ad41366e638a5b77d825868d4ec054d047cad192338c9. 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/4c2865c7-a203-4fe4-9b84-26faa0b6e0f8.json and https://artists.proofprofile.net/proofs/artist/4c2865c7-a203-4fe4-9b84-26faa0b6e0f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Weber: Concertino in E Minor - Strauss: Horn Concerto in C Minor - Saint-Saëns: Morceau de concert - Schumann: Concertstück
Horn Concertino in E Minor, Op. 45, J. 188: I. Adagio - Andante
Horn Concertino in E Minor, Op. 45, J. 188: II. Andante con moto
Horn Concertino in E Minor, Op. 45, J. 188: III. Polacca
Horn Concerto in C Minor, Op. 8: I. Allegro moderato
Horn Concerto in C Minor, Op. 8: II. Andante
Horn Concerto in C Minor, Op. 8: III. Allegro moderato
Morceau de concert, Op. 94: I. Allegro moderato
Morceau de concert, Op. 94: III. Allegro non troppo
Concertpiece for Four Horns and Orchestra in F Major, Op. 86: I. Lebhaft
Concertpiece for Four Horns and Orchestra in F Major, Op. 86: II. Romanza. Ziemlich langsam, doch nicht schleppend
Concertpiece for Four Horns and Orchestra in F Major, Op. 86: III. Sehr lebhaft
Ouverture-Suite for Strings in E-Flat Major, TWV 55:Es3 "La Lyra": I. Ouverture
Ouverture-Suite No. 1 for Strings in A Minor, TWV 55:a1: I. Ouverture
Ouverture-Suite for Strings in E-Flat Major, TWV 55:Es3 "La Lyra": II. Menuet
Ouverture-Suite No. 1 for Strings in A Minor, TWV 55:a1: II. Rondo
Ouverture-Suite for Strings in E-Flat Major, TWV 55:Es3 "La Lyra": III. Sicilienne avec Cadence
Ouverture-Suite No. 1 for Strings in A Minor, TWV 55:a1: III. Gavotte
Ouverture-Suite for Strings in E-Flat Major, TWV 55:Es3 "La Lyra": IV. Rondeau
Ouverture-Suite No. 1 for Strings in A Minor, TWV 55:a1: IV Courante
Ouverture-Suite for Strings in E-Flat Major, TWV 55:Es3 "La Lyra": V. Gigue
Ouverture-Suite No. 1 for Strings in A Minor, TWV 55:a1: V. Rigaudon
Ouverture-Suite for Cello, Strings and Continuo in D Major, TWV 55:D6: I. Ouverture
Ouverture-Suite No. 1 for Strings in A Minor, TWV 55:a1: VI. Forlane
Ouverture-Suite for Cello, Strings and Continuo in D Major, TWV 55:D6: II. La trompette
Ouverture-Suite No. 1 for Strings in A Minor, TWV 55:a1: VII. Menuet
Ouverture-Suite for Cello, Strings and Continuo in D Major, TWV 55:D6: III. Sarabande
Concerto for 2 Horns and Strings in D Major, TWV 52:D2: I. Spirituoso ma non presto
Ouverture-Suite for Cello, Strings and Continuo in D Major, TWV 55:D6: IV. Rondeau
Concerto for 2 Horns and Strings in D Major, TWV 52:D2: II. Adagio - Allegro
Ouverture-Suite for Cello, Strings and Continuo in D Major, TWV 55:D6: V. Bourree
Concerto for 2 Horns and Strings in D Major, TWV 52:D2: III. Largo
Ouverture-Suite for Cello, Strings and Continuo in D Major, TWV 55:D6: VI. Gigue
Concerto for 2 Horns and Strings in D Major, TWV 52:D2: IV. Allegro assai
Ouverture-Suite for 2 Horns, Strings and Continuo in F Major, TWV 55:B11 "La Bourse": I. Ouverture - Allegro
Viola Concerto in G Major, TWV 51:G9: I. Largo
Ouverture-Suite for 2 Horns, Strings and Continuo in F Major, TWV 55:B11 "La Bourse": II. Rondeau
Viola Concerto in G Major, TWV 51:G9: II. Allegro
Ouverture-Suite for 2 Horns, Strings and Continuo in F Major, TWV 55:B11 "La Bourse": III. Sarabande
Viola Concerto in G Major, TWV 51:G9: III. Andante
Ouverture-Suite for 2 Horns, Strings and Continuo in F Major, TWV 55:B11 "La Bourse": IV. Menuet
Viola Concerto in G Major, TWV 51:G9: IV. Presto
Ouverture-Suite for 2 Horns, Strings and Continuo in F Major, TWV 55:B11 "La Bourse": V. Bourree - Presto
Concerto for Flute and Violin in E Minor, TWV 52:e3: I. Allegro
Concerto for Flute and Strings in D Major, TWV 51:D2: I. Moderato
Concerto for Flute and Violin in E Minor, TWV 52:e3: II. Adagio
Concerto for Flute and Strings in D Major, TWV 51:D2: II. Allegro
Concerto for Flute and Violin in E Minor, TWV 52:e3: III. Presto
Concerto for Flute and Strings in D Major, TWV 51:D2: III. Largo
Concerto for Flute and Violin in E Minor, TWV 52:e3: IV. Adagio
Concerto for Flute and Strings in D Major, TWV 51:D2: IV. Vivace
Concerto for Flute and Violin in E Minor, TWV 52:e3: V. Adagio
Musique de table, Part III: Concerto for 2 horns in E-Flat Major, TWV 54:Es1: III. Grave
Telemann: Recorder Suite in A minor - Viola Concerto - Tafelmusik: 2 Concerti
Musique de table, Part III: Concerto for 2 horns in E-Flat Major, TWV 54:Es1: I. Maestoso
Musique de table, Part III: Concerto for 2 horns in E-Flat Major, TWV 54:Es1: II. Allegro
Musique de table, Part III: Concerto for 2 horns in E-Flat Major, TWV 54:Es1: IV. Vivace