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 0xb179d036f4ce1325190abff2b95c124c4f835a6ec46375f5065e6c628590448a. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/88c1fe20-82bf-447b-928f-58ec0f5f0be0.json and https://artists.proofprofile.net/proofs/artist/88c1fe20-82bf-447b-928f-58ec0f5f0be0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
Gde-to Daleko (Pesnya o Dalekoy Rodine) (Somewhere Far Away)
Moscow Nights: Gde Zhe Vy Teper', Druz'ya-Odnopolchane (Where are you, my brothers?)
Na Bezymiannoy Vysote (On a Nameless Hill)
Dorozhka Frontovaia (Pesenka Frontovogo Shofiora) (The Road to the Front)
Na Sopkakh Mandzhurii (The Hills of Manchuria)
Girls Gotta Dance! - Rhythms To Excite the Muscles, Symmetry To Stimulate the Brain, Melodies To Delight the Heart
Nezhnost' (Tenderness) (arr. E. Stetsyuk)
40 Tracks for 40 Years: Delos' 40th Anniversary Celebration!