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 0xae5d13ae2e66a40bc0651559d9b4a5f8d1349f0fd2cc7e139b38cc066220e3dd. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/30741479-4dc1-4297-84ad-cf1c68217b4b.json and https://artists.proofprofile.net/proofs/artist/30741479-4dc1-4297-84ad-cf1c68217b4b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Violin Sonata in E Major, HWV 373: I. Adagio
Violin Sonata in E Major, HWV 373: II. Allegro
Violin Sonata in E Major, HWV 373: III. Largo
Violin Sonata in E Major, HWV 373: IV. Allegro
Violin Sonata in D Minor, HWV 359a: I. Grave
Violin Sonata in D Minor, HWV 359a: II. Allegro
Violin Sonata in D Minor, HWV 359a: III. Adagio
Violin Sonata in D Minor, HWV 359a: IV. Allegro
Violin Sonata in A Major, HWV 361: I. Andante
Violin Sonata in A Major, HWV 361: II. Allegro
Violin Sonata in A Major, HWV 361: III. Adagio
Violin Sonata in A Major, HWV 361: IV. Allegro
Violin Sonata in F Major, HWV 370: I. Adagio
Violin Sonata in F Major, HWV 370: II. Allegro
Violin Sonata in F Major, HWV 370: III. Largo
Violin Sonata in F Major, HWV 370: IV. Allegro
Violin Sonata in G Minor, HWV 368: I. Andante
Violin Sonata in G Minor, HWV 368: II. Allegro
Violin Sonata in G Minor, HWV 368: III. Adagio
Violin Sonata in G Minor, HWV 368: IV. Gigue
Violin Sonata in D Major, HWV 371: I. Affettuoso
Violin Sonata in D Major, HWV 371: II. Allegro
Violin Sonata in D Major, HWV 371: III. Larghetto
Violin Sonata in D Major, HWV 371: IV. Allegro
Violin Sonata in G Major, HWV 358: I. Allegro
Violin Sonata in G Major, HWV 358: II. Adagio
Violin Sonata in G Major, HWV 358: III. Allegro
Violin Sonata in A Major, HWV 372: I. Adagio
Violin Sonata in A Major, HWV 372: II. Allegro
Violin Sonata in A Major, HWV 372: III. Largo
Violin Sonata in A Major, HWV 372: IV. Allegro
Violin Sonata in G Minor, HWV 364a: I. Andante Larghetto
Violin Sonata in G Minor, HWV 364a: II. Allegro
Violin Sonata in G Minor, HWV 364a: III. Adagio
Violin Sonata in G Minor, HWV 364a: IV. Allegro
Violin Concerto No. 1 in D Major: I. Tempo moderato
Violin Concerto No. 1 in D Major: II. Andante
Violin Concerto No. 1 in D Major: III. Allegro
Before, It was Golden: II. Hymn 1 - Prelude
Before, It was Golden: III. Hymn 1 - Verse
Before, It was Golden: IV. Hymn 2 - Prelude
Before, It was Golden: V. Hymn 2 - Verse
Before, It was Golden: VI. Hymn 2 - Postlude
Before, It was Golden: VII. Hymn 3 - Verse
Before, It was Golden: VIII. Hymn 3 - Postlude