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 0x3c16de5497b8f49181d7ed504647ea13adefdc91a412015a5fe556e8a8e2820a. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/685cb7ab-831b-4978-b443-1e5ceea807d4.json and https://artists.proofprofile.net/proofs/artist/685cb7ab-831b-4978-b443-1e5ceea807d4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Symphony No. 1 in E Major, Op. 26: I. Lento
Symphony No. 2 in C Minor, Op. 29: I. Andante
Symphony No. 3 in C Minor, Op. 43 "Le divin poème": Introduction. Lento
Symphony No. 1 in E Major, Op. 26: II. Allegro dramatico
Symphony No. 2 in C Minor, Op. 29: II. Allegro
Symphony No. 3 in C Minor, Op. 43 "Le divin poème": I. Luttes. Allegro
Symphony No. 1 in E Major, Op. 26: III. Lento
Symphony No. 2 in C Minor, Op. 29: III. Andante
Symphony No. 3 in C Minor, Op. 43 "Le divin poème": II. Voluptes. Lento
Symphony No. 1 in E Major, Op. 26: IV. Vivace
Symphony No. 2 in C Minor, Op. 29: IV. Tempestuoso
Symphony No. 3 in C Minor, Op. 43 "Le divin poème": III. Jeu divin. Allegro
Symphony No. 1 in E Major, Op. 26: V. Allegro
Symphony No. 2 in C Minor, Op. 29: V. Maestoso
Piano Concerto in F-Sharp Minor, Op. 20: I. Allegro
Symphony No. 1 in E Major, Op. 26: VI. Andante
Piano Concerto in F-Sharp Minor, Op. 20: II. Andante
Symphony No. 5, Op. 60 "Prometheus the Poem of Fire"
Symphony Orchestra of the All Union Radio Moscow
Piano Concerto in F-Sharp Minor, Op. 20: III. Allegro moderato
Violin Concerto No. 1 in A Minor, Op. 77: IV. Burlesca: Allegro con brio
40 Tracks for 40 Years: Delos' 40th Anniversary Celebration!