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 0x74c79107320db1807726db74e4e19b18160d1d88b39f9d05025fbde65c290581. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4509df90-f6db-4364-91e4-100ad0da2f0a.json and https://artists.proofprofile.net/proofs/artist/4509df90-f6db-4364-91e4-100ad0da2f0a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Flute Quartet in C major, KV ANH 171 (K: 285b): First movement: Allegro
Flute Quartet in C major, KV ANH 171 (K: 285b): Second movement: Thema (Andantino) con variazioni
Clarinet Quintet in B flat major Op. 34/ J 182: First movement: Allegro
Clarinet Quintet in B flat major Op. 34/ J 182: Second movement: Fantasia (Adagio)
Clarinet Quintet in B flat major Op. 34/ J 182: Second movement: Menuetto (Capriccio presto)
Clarinet Quintet in B flat major Op. 34/ J 182: Fourth movement: Rondo (Allegro giocoso)
Sonata for flute, viola and harp: I. Pastorale (Lento, dolce e rubato)
Sonata for flute, viola and harp: II. Interlude (Tempo di Minuetto)
Sonata for flute, viola and harp: III. Finale (Allegro moderato ma risoluto)
Introduction and Allegro for harp, string quartet, flute and clarinet
Pavane pour une infante défunte in G Major, M.19
2 Arabesques, L.66: Arabesque No. 1 in E Major "Andantino con moto"
2 Arabesques, L.66: Arabesque No. 2 in G Major "Allegretto scherzando"
Le carnaval des animaux, R.125: XIII. Le Cygne
Vocalise-étude en forme de Habanera, M.51
5 Mélodies populaires grecques, M.5: No. 4, Chanson des cueilleuses de lentisques
Children's Corner, L.113: No. 5, The Little Shepherd
3 Chansons de Bilitis, L.90: No. 1, La flûte de Pan
5 Mélodies populaires grecques, M.10: No. 2, Là-bas, vers l'église
Tools Of The Trade - Lo-Definition Remix