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 0xd6dfc03714493cf5d4967093432508dd4ec1e1f5882eafad65e9c0f930c0438f. 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/48065bc5-7cee-4970-bfda-440fbc755d9a.json and https://artists.proofprofile.net/proofs/artist/48065bc5-7cee-4970-bfda-440fbc755d9a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Concerto for Trumpet and Strings: 1. Vivace
Concerto for Trumpet and Strings: 2. Allegro
Concerto for Trumpet and Strings: 3. Larghetto
Suite in D: 1. Prelude (The Duke of Gloster's March)
Suite in D: 4. Rondeau (The Prince of Denmark's March)
Concerto No. 1 in D minor: 1. Con spirito
Concerto No. 1 in D minor: 2. Adagio - Allegro
Vivaldi: Cello Sonata No. 4 in B-Flat Major, Op. 14, RV 45: I. Largo
Poulenc: Flute Sonata, FP 164: I. Allegro malinconico
Poulenc: Flute Sonata, FP 164: II. Cantilena
Poulenc: Flute Sonata, FP 164: III. Presto giocoso
Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: I. Adagio
Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: II. Allegro
Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: III. Adagio
Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: IV. Bourrée
Bach, JS: Flute Sonata in B Minor, BWV 1030: I. Andante
Bach, JS: Flute Sonata in B Minor, BWV 1030: II. Largo e dolce
Bach, JS: Flute Sonata in B Minor, BWV 1030: III. Presto
Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: V. Menuetto
Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: I. Largo - Allegro
Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: II. Vivace
Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: III. Grave - Vivace
Bach, JS: Meine Seufzer, meine Tränen, BWV 13: No. 5, Aria. "Ächzen und erbärmlich Weinen"
Arma: Suite paysanne hongroise, Op. 153: I. Chants populaires tristes (After Bartók's Peasant Songs, Sz. 71)
Sonata for Viola da Gamba in G Minor, BWV 1029: I. Vivace
Sonata for Viola da Gamba in G Minor, BWV 1029: II. Adagio
Sonata for Viola da Gamba in G Minor, BWV 1029: III. Allegro