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 0x9419de00f5a93c09d2408b484b24df81206eb338e01414345b45dae29b9f22a2. 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/9711d8b0-64a0-4f69-873c-dcd0b8bfc16d.json and https://artists.proofprofile.net/proofs/artist/9711d8b0-64a0-4f69-873c-dcd0b8bfc16d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Suite For Cello Solo No.1 In G Major, BWV 1007 - Arr. Gareth Koch: Prelude
Prelude In C Minor BWV 999 (Played In D Minor, Arr. Gareth Koch)
Suite in E Minor, BWV 996 - Arr. Gareth Koch: 5. Bourée
Lute Sonata in D minor, WeissSW 34 - Arr. For Guitar: 1. Prelude
The Right Honourable Robert, Earl Of Essex, His Galliard
Concerto for Lute, 2 Violins and Continuo in D, RV.93 - Arr. Gareth Koch: 1. Allegro
Concerto for Lute, 2 Violins and Continuo in D major, RV 93 - Arr. Gareth Koch: 2. Largo
Concerto for Lute, 2 Violins and Continuo in D, RV.93 - Arr. Gareth Koch: 3. Allegro
The Right Honourable Robert, Earl of Essex, his Galliard
Prelude from Cello Suite No. 1, BWV 1007
Prelude in C Minor, BWV 999 (Played in D Minor, Arr. Gareth Koch)
Suite in E Minor, BWV 996: 5. Bourée (Arr. Gareth Koch)
Concerto for Lute, 2 Violins and Continuo in D Major, RV 93: 1. Allegro (Arr. Gareth Koch)
Concerto for Lute, 2 Violins and Continuo in D Major, RV 93: 2. Largo (Arr. Gareth Koch)
Concerto for Lute, 2 Violins and Continuo in D Major, RV 93: 3. Allegro (Arr. Gareth Koch)
Asturias (Leyenda) From Suite Española, Op. 47 (arr. for Guitar)
Adagio (From Concierto de Aranjuez) [arr. for Guitar]
12 Danzas Españolas, Op. 37: No.5. Andaluza (arr. for Guitar)
Sevilla (Sevillanas) From Suite Española, Op. 47, No. 3 (arr for Guitar)
Afterthoughts: I. Cantilena (after Torroba) [arr. for Guitar]
Afterthoughts: II. Reverie (after Debussy) [arr. for Guitar]
Afterthoughts: III. Sarabande (after Falla) [arr. for Guitar]
Afterthoughts: IV. Rondeau (after Ponce) [arr. for Guitar]
Songs of Spain: Cordoba (arr. for Guitar)
12 Danzas Españolas, Op. 37: No.4. Villanesca (arr. for Guitar)
The Three Cornered Hat: The Miller's Dance (arr. for Guitar)
Spanish Dance No. 1 (From La Vida Breve) [arr. for Guitar]
Prelude No.4 in E Minor (arr. for Guitar)
Song for George Harrison (Don River Mix)
Carmina Burana: Amor volat undique (Arr. for Guitar by Gareth Koch)
Afterthoughts: II. Reverie (After Debussy)