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 0xca1bfcec4ed17743e019a2d0f37e3d1fa9c1ab1a918d4a348c3977e55d1b71ff. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4d5e7ed5-79fa-4298-81a0-8be0a03b023e.json and https://artists.proofprofile.net/proofs/artist/4d5e7ed5-79fa-4298-81a0-8be0a03b023e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sonata "omaggio a boccherini": allegro con spirito
Sonata "omaggio a boccherini": andantino quasi canzone
Sonata "omaggio a boccherini": tempo di minuetto
Sonata "omaggio a boccherini": vivo ed energico
12 Préludes: No. 10, Allegretto espressivo
Suite populaire brésilienne, W020: No. 1, Mazourka-choro
Suite populaire brésilienne, W020: No. 2, Schottische-choro
Suite populaire brésilienne, W020: No. 3, Chorinho
Suite populaire brésilienne, W020: No. 4, Valse-choro
Preludes, W419: No. 1, Andantino expressivo
Greeting Cards, Op. 170: XIV. Ninna Nanna, a Lullaby for Eugene
Greeting Cards, Op. 170: XXXVI. Sarabande on the Name of Rey de la Torre
Violin Partita No. 2 in D Minor, BWV 1004: V. Chaconne (Transc. for Guitar)
Johann Sebastian Bach Classical Guitar Edition
Inventions "Hommage à Bach": III. Sicilienne. Allegretto
Greeting Cards, Op. 170: XXXIII. Canzone siciliana sul nome Gangi (Mario Gangi)
Pièces brèves pour guitare: IV. Berceuse - Boîte à musique
Greeting Cards, Op. 170: No. 5, Tonadilla on the Name of Andrés Segovia
Castelnuovo-Tedesco: Greeting Cards for Guitar
Greeting Cards, Op. 170: No. 6, Rondel on the Name of Siegfried Behrend
Greeting Cards, Op. 170: No. 7, Preludio in forma di habanera sul nome di Bruno Tonazzi
Greeting Cards, Op. 170: No. 10, Tanka (Japanese Song) on the Name of Isao Takahashi
Greeting Cards, Op. 170: No. 14, Ninna Nanna, a Lullaby for Eugene
Greeting Cards, Op. 170: No. 15, Song of the Azores on the Name of Enos (Joseph Enos)
Greeting Cards, Op. 170: No. 33, Canzone siciliana sul nome Gangi (Mario Gangi)
Greeting Cards, Op. 170: No. 34, Ballatella on the Name of Christopher Parkening
Greeting Cards, Op. 170: No. 36, Sarabande on the Name of Rey de la Torre
Greeting Cards, Op. 170: No. 37, Romanza sul nome di Oscar Ghiglia