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 0xf626eeb239c86ca9d684c5ea92b1e295dab2d566090c1712327f163fb007a9b8. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bfa2f7d8-5547-448f-9b72-c91754923b78.json and https://artists.proofprofile.net/proofs/artist/bfa2f7d8-5547-448f-9b72-c91754923b78.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dutilleux, H. / Lutoslawski, W.: Cello Concertos
Cello Concerto "Tout un monde lointain": I. Enigme
Cello Concerto "Tout un monde lointain": II. Regard
Cello Concerto "Tout un monde lointain": III. Houles
Cello Concerto "Tout un monde lointain": IV. Miroirs
Cello Concerto "Tout un monde lointain": V. Hymne
3 Strophes sur le nom de Sacher: No. 1, Un poco indeciso
3 Strophes sur le nom de Sacher: No. 2, Andante sostenuto
3 Strophes sur le nom de Sacher: No. 3, Vivace
Christian Poltera Plays Martin, Honegger, Schoeck
Cello Concerto: I. Lento - Allegro moderato - Lento
Cello Concerto: III. Vivace selvaggio ed aspro - Cadenza - Vivace
Cello Concerto: II. Allegro appassionato
Cello Concerto: III. Tema ed improvvisazioni
Cello Concerto: I. Mäßig schnell - Breit - Im Hauptzeitmaß
Cello Concerto: II. Ruhig bewegt - Sehr lebhaft - Im früheren langsamen Zeitmaß
Cello Concerto: III. Marsch. Lebhaft - Trio - Lebhafter
Cello Sonata, Op. 25 No. 3: I. Lebhaft, sehr markiert
Cello Sonata, Op. 25 No. 3: II. Mäßig schnell, Gemächlich
Cello Sonata, Op. 25 No. 3: III. Langsam
Cello Sonata, Op. 25 No. 3: IV. Lebhafte Viertel
Cello Sonata, Op. 25 No. 3: V. Mäßig schnell
Cello Concerto in B Minor, Op. 104, B. 191: I. Allegro
Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo
Cello Concerto in B Minor, Op. 104, B. 191: III. Finale. Allegro moderato
Cello Concerto No. 1, H. 196 (1955 Version): I. Allegro moderato
Cello Concerto No. 1, H. 196 (1955 Version): II. Andante moderato
Cello Concerto No. 1, H. 196 (1955 Version): III. Allegro
Cello Concerto No. 2 in G Major, Op. 126: I. Largo
Cello Concerto No. 2 in G Major, Op. 126: II. Allegretto
Cello Concerto No. 2 in G Major, Op. 126: III. Allegretto
Cello Concerto No. 2, H. 304: I. Moderato
Cello Concerto No. 2, H. 304: II. Andante poco moderato
Cello Concerto No. 2, H. 304: III. Allegro
R. Schumann, C. Schumann & Brahms: Sonatas & Songs
Violin Sonata No. 2 in D Minor, Op. 121 (Arr. for Cello & Piano): I. Ziemlich langsam - Lebhaft
Violin Sonata No. 2 in D Minor, Op. 121 (Arr. for Cello & Piano): II. Sehr lebhaft
Violin Sonata No. 2 in D Minor, Op. 121 (Arr. for Cello & Piano): III. Leise, einfach
Violin Sonata No. 2 in D Minor, Op. 121 (Arr. for Cello & Piano): IV. Bewegt
Violin Sonata "F-A-E" (Excerpts Arr. for Cello & Piano): II. Intermezzo, WoO 22
Violin Sonata "F-A-E" (Excerpts Arr. for Cello & Piano): III. Scherzo, WoO 2
Violin Sonata No. 3 in D Minor, Op. 108 (Arr. for Cello & Piano): I. Allegro
Violin Sonata No. 3 in D Minor, Op. 108 (Arr. for Cello & Piano): II. Adagio
Violin Sonata No. 3 in D Minor, Op. 108 (Arr. for Cello & Piano): III. Un poco presto e con sentimento
Violin Sonata No. 3 in D Minor, Op. 108 (Arr. for Cello & Piano): IV. Presto agitato
Wie Melodien zieht es mir, Op. 105 No. 1 (Arr. for Cello & Piano)
Sie liebten sich beide, Op. 13 No. 2 (Arr. for Cello & Piano)
Cello Concerto No. 1 in C Major, Hob. VIIb:1: I. Moderato
Cello Concerto No. 1 in C Major, Hob. VIIb:1: II. Adagio
Cello Concerto No. 1 in C Major, Hob. VIIb:1: III. Finale. Allegro molto
Cello Concerto No. 2 in D Major, Hob. VIIb:2: I. Allegro moderato
Cello Concerto No. 2 in D Major, Hob. VIIb:2: II. Adagio
Cello Concerto No. 2 in D Major, Hob. VIIb:2: III. Rondo. Allegro
Symphony No. 13 in D Major, Hob. I:13: II. Adagio cantabile
Trauermusik for Cello & Orchestra: I. Langsam
Trauermusik for Cello & Orchestra: II. Ruhig bewegt
Trauermusik for Cello & Orchestra: III. Lebhaft
Trauermusik for Cello & Orchestra: IV. Choral "Für deinen Thron tret ich hiermit". Sehr langsam
Brahms & Schumann - Works for Cello and Piano
Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
Cello Sonata No. 1 in E Minor, Op. 38: II. Allegretto quasi Menuetto
Cello Sonata No. 1 in E Minor, Op. 38: III. Allegro
Fünf Stücke im Volkston, Op. 102: I. Mit Humor. ‘Vanitas vanitatum’
Fünf Stücke im Volkston, Op. 102: II. Langsam
Fünf Stücke im Volkston, Op. 102: III. Nicht schnell, mit viel Ton zu spielen
Fünf Stücke im Volkston, Op. 102: IV. Nicht zu rasch
Fünf Stücke im Volkston, Op. 102: V. Stark und markiert
Cello Sonata No. 2 in F Major, Op. 99: I. Allegro vivace
Cello Sonata No. 2 in F Major, Op. 99: II. Adagio affettuoso
Cello Sonata No. 2 in F Major, Op. 99: III. Allegro passionato
Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto
Sonata for Cello and Piano in C Major, Op. 119: I. Andante Grave
Sonata for Cello and Piano in C Major, Op. 119: II. Moderato
Sonata for Cello and Piano in C Major, Op. 119: III. Allegro ma non troppo
Saint-Saëns: Le carnaval des animaux: I. Introduction et marche royale du lion (Live, 2003)
Lars Vogt & Friends Live in Heimbach, Vol. 2
Saint-Saëns: Le carnaval des animaux: IV. Tortues (Live, 2003)
Saint-Saëns: Le carnaval des animaux: VII. Aquarium (Live, 2003)
Saint-Saëns: Le carnaval des animaux: X. Volière (Live, 2003)
Saint-Saëns: Le carnaval des animaux: XI. Pianistes (Live, 2003)
Saint-Saëns: Le carnaval des animaux: XII. Fossiles (Live, 2003)
Saint-Saëns: Le carnaval des animaux: XIII. Le cygne (Live, 2003)
Saint-Saëns: Le carnaval des animaux: XIV. Finale (Live, 2003)