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 0xddc1966973d66780ff997e7fe20c8f226b786e92b7c66260e3e6380a8533e7ba. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/457b0cbe-d32f-4c30-8a09-cc9ab5587c67.json and https://artists.proofprofile.net/proofs/artist/457b0cbe-d32f-4c30-8a09-cc9ab5587c67.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bland, E.: Piece for Chamber Orchestra / for Bassoon / Sketches Set 7 / for Flute / Sketches Set 1 / Brass Quintet / for Flute
Such Harmonious Madness (Miniatures for Solo Piano): Pourest Thy Full Heart...
Such Harmonious Madness (Miniatures for Solo Piano): The Pale Purple Even Melts...
Such Harmonious Madness (Miniatures for Solo Piano): The Moon Rains out Her Beams...
Such Harmonious Madness (Miniatures for Solo Piano): Keen as Are the Arrows...
Such Harmonious Madness (Miniatures for Solo Piano): Panted Forth a Flood of Rapture...
Fantasy - Choruses on "This Little Light of Mine"
Piano Recital: Waites, Althea - Warren, E.R. / Still, W.G. / Saylor, R. / Rodgers, L.
Along the Western Shore (version for piano): I. Dark Hills
Along the Western Shore (version for piano): II. Nocturne
Along the Western Shore (version for piano): III. Sea Rhapsody
Etcetera Variations for 2 Pianos (after J.S. Bach's BWV 1087)
Piano Recital: Waites, Althea - Price, F.B. / Still, W.G. / Bland, E.
Piano Sonata in E Minor: I. Andante - Allegro
Dances in the Canebrakes: I. Nimble feet
Dances in the Canebrakes: II. Tropical noon
Dances in the Canebrakes: III. Silk hat and Walking cane
Along the Western Shore: I. Dark Hills (Version for piano)
Along the Western Shore: II. Nocturne (Version for piano)
Along the Western Shore: III. Sea Rhapsody (Version for piano)
Etcetera Variations for 2 Pianos (After J.S. Bach's BWV 1087)