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 0x3b8abb4915f782e97fbcf458b2b39df6085e3549ce59ac0ea95e4b3916d19490. 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/844a3cc9-cc1c-48eb-aca5-bb0d62882856.json and https://artists.proofprofile.net/proofs/artist/844a3cc9-cc1c-48eb-aca5-bb0d62882856.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Clarinet Concerto in A Minor, Op. 80: I. Allegro moderato
Clarinet Concerto in A Minor, Op. 80: II. Andante con moto
Clarinet Concerto in A Minor, Op. 80: III. Allegro moderato
Clarinet Concerto in C Minor, Op. 31: I. Allegro vigoroso
Clarinet Concerto in C Minor, Op. 31: II. Adagio ma senza rigore
Clarinet Concerto in C Minor, Op. 31: III. Rondo. Allegro giocoso
English Music for Clarinet & Piano I: Finzi, Stanford etc.
Clarinet Sonata, Op. 129: I. Allegro moderato
Clarinet Sonata, Op. 129: II. Caoine. Adagio, quasi fantasia
Clarinet Sonata, Op. 129: III. Allegretto grazioso
4 Short Pieces, Op. 6: I. Prelude. Non troppo allegro
4 Short Pieces, Op. 6: IV. Burlesque. Con spirito
5 Bagatelles for Clarinet and Piano, Op. 23: I. Prelude
5 Bagatelles for Clarinet and Piano, Op. 23: II. Romance
5 Bagatelles for Clarinet and Piano, Op. 23: III. Carol
5 Bagatelles for Clarinet and Piano, Op. 23: IV. Forlana
5 Bagatelles for Clarinet and Piano, Op. 23: V. Fughetta
4 Characteristic Pieces: III. Intermezzo
English Music for Clarinet & Piano II: Howells, Bliss & Cooke
Clarinet Sonata: I. Con moto, dolce e con tenerezza
Clarinet Sonata: II. Allegro, ritmico, con brio
Clarinet Sonata in B-Flat Major: I. Allegro moderato
Clarinet Sonata in B-Flat Major: II. Scherzando
Clarinet Sonata in B-Flat Major: III. Adagio ma non troppo
Clarinet Sonata in B-Flat Major: IV. Molto vivace
Weber: Clarinet Concerto No. 2 – Crusell: Clarinet Concerto No. 2
Clarinet Concerto No. 2 in F Minor, Op. 5 "Grand Concerto": I. Allegro
Clarinet Concerto No. 2 in F Minor, Op. 5 "Grand Concerto": II. Andante Pastorale
Clarinet Concerto No. 2 in F Minor, Op. 5 "Grand Concerto": III. Rondo. Allegretto
Clarinet Concerto No. 2 in E-Flat Major, Op. 74: I. Allegro
Clarinet Concerto No. 2 in E-Flat Major, Op. 74: II. Andante con moto
Clarinet Concerto No. 2 in E-Flat Major, Op. 74: III. Alla polacca
The Clarinet in Concert, Vol. 1: Bruch, Mendelssohn & Crusell
Double Concerto for Clarinet and Viola in E Minor, Op. 88: I. Andante con moto
Double Concerto for Clarinet and Viola in E Minor, Op. 88: II. Allegro moderato
Double Concerto for Clarinet and Viola in E Minor, Op. 88: III. Allegro molto
Concert Piece for Clarinet and Basset Horn in F Minor, Op. 113 (Version for Orchestra): I. Allegro di molto
Concert Piece for Clarinet and Basset Horn in F Minor, Op. 113 (Version for Orchestra): II. Andante
Concert Piece for Clarinet and Basset Horn in F Minor, Op. 113 (Version for Orchestra): III. Allegro di molto
Concert Piece for Clarinet and Basset Horn in D Minor, Op. 114 (Orch. Baermann): I. Presto
Concert Piece for Clarinet and Basset Horn in D Minor, Op. 114 (Orch. Baermann): II. Andante
Concert Piece for Clarinet and Basset Horn in D Minor, Op. 114 (Orch. Baermann): III. Allegretto grazioso
Introduction, Theme & Variations on a Swedish Air, Op. 12
Lutosławski, Blake & Seiber: Clarinet Concertos
Concertino for Clarinet and String Orchestra: I. Toccata. Allegro
Concertino for Clarinet and String Orchestra: II. Variazioni semplici. Andante
Concertino for Clarinet and String Orchestra: III. Scherzo. Allegro
Concertino for Clarinet and String Orchestra: IV. Recitativo. Introduzione. Rubato
Concertino for Clarinet and String Orchestra: V. Finale. Allegro
Clarinet Concerto: I. Invocation. Recitativo – Moderato, molto deciso
Clarinet Concerto: II. Ceremony. Recitativo – Lento serioso
Clarinet Concerto: III. Round Dance. Vivace
The Clarinet in Concert, Vol. 2: Spohr, Rietz, Solère & Heinze
Clarinet Concerto in G Minor, Op. 29: I. Allegro agitato
Clarinet Concerto in G Minor, Op. 29: II. Adagio
Clarinet Concerto in G Minor, Op. 29: III. Allegro vivace – Allegro con fuoco
Sinfonie concertante for 2 Clarinets in F Major: I. Allegro moderato
Sinfonie concertante for 2 Clarinets in F Major: II. Rondeau. Allegro moderato
Konzertstück in F Major: I. Allegro agitato
Konzertstück in F Major: III. Allegro agitato
Howells, Cooke, Maconchy & Frankel: Clarinet Quintets
Clarinet Quintet: III. Rondo. Allegro vivace
Clarinet Quintet, Op. 28: II. Alla burla
Clarinet Quintet, Op. 28: III. Lento di molto
Romberg, Fuchs & Stanford: Clarinet Quintets
Clarinet Quintet in E-Flat Major, Op. 57: I. Allegro
Clarinet Quintet in E-Flat Major, Op. 57: II. Menuetto. Allegretto
Clarinet Quintet in E-Flat Major, Op. 57: III. Larghetto
Clarinet Quintet in E-Flat Major, Op. 57: IV. Finale. Allegro vivace
Clarinet Quintet in E-Flat Major, Op. 102: I. Allegro molto moderato
Clarinet Quintet in E-Flat Major, Op. 102: II. Allegro scherzando
Clarinet Quintet in E-Flat Major, Op. 102: III. Andante sostenuto
Clarinet Quintet in E-Flat Major, Op. 102: IV. Allegretto grazioso
Fantasy for Clarinet and String Quartet No. 1 in G Minor
Fantasy for Clarinet and String Quartet No. 2 in F Major
Arnold, Britten & Maconchy: Clarinet Concertos
Clarinet Concerto No. 1, Op. 20: I. Allegro
Clarinet Concerto No. 1, Op. 20: II. Andante con moto
Clarinet Concerto No. 1, Op. 20: III. Molto allegro con fuoco
Concertino for Clarinet and String Orchestra No. 1: I. Allegro
Concertino for Clarinet and String Orchestra No. 1: II. Lento
Concertino for Clarinet and String Orchestra No. 1: III. Allegro
Concertino for Clarinet and String Orchestra No. 2: I. Poco lento
Concertino for Clarinet and String Orchestra No. 2: II. Vivo – Poco lento
Concertino for Clarinet and String Orchestra No. 2: III. Allegro ritmico
Clarinet Concerto No. 2, Op. 115: I. Allegro vivace
Clarinet Concerto No. 2, Op. 115: II. Lento
Clarinet Concerto No. 2, Op. 115: III. Allegro non troppo "The Pre-Goodman Rag"
Scherzetto for Clarinet and Orchestra (Orch. Palmer)
Clarinet Quintet in G Major: I. Sostenuto – Allegretto (quasi andante) grazioso
Clarinet Quintet in G Major: II. Intermezzo. Allegretto
Clarinet Quintet in G Major: III. Lament. Adagio non troppo
Clarinet Quintet in G Major: IV. Finale. Allegro vivace
Clarinet Quintet in G Minor: I. Tempo moderato
Clarinet Quintet in G Minor: II. Allegro con brio
Clarinet Quintet in G Minor: III. Rhapsody. Poco lento
Clarinet Quintet in G Minor: IV. Introduction, Theme & Variations
Mozart: Clarinet Concerto / Spohr: Clarinet Concerto No. 4
Clarinet Concerto in A Major, K.622: I. Allegro
Clarinet Concerto in A Major, K.622: II. Adagio
Clarinet Concerto in A Major, K.622: III. Rondo
Clarinet Concerto No.4 in E Minor, WoO 20: I. Allegro vivace
Clarinet Concerto No.4 in E Minor, WoO 20: II. Larghetto
Clarinet Concerto No.4 in E Minor, WoO 20: III. Rondo al espagnol
Barnum and Bailey's Favourite March (Arr. for Wind Band by Peter Roberts)
Larghetto in B Flat Major for Piano & Wind Quintet, K.452a
Mozart: Complete Edition Box 17: Theatre & Ballet Music
Simpson: String Quartet No. 13 & String Quintet No. 2
Clarinet Quintet: Ib. Allegro ma non troppo
Clarinet Quintet: IV. Grazioso e tranquillo
Clarinet Quintet: Vb. Andantino – Meno mosso, molto sereno