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 0xe125167fa9063fef176deb30d48e7fb1ab65b8181206707553be1f16415cc8e3. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e0e6f287-89c2-45ea-abdf-22d864c5740c.json and https://artists.proofprofile.net/proofs/artist/e0e6f287-89c2-45ea-abdf-22d864c5740c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sygyt, Khoomei, Kargyraa (Styles of Throat-Singing)
Sygyt, Khoomei, Kargyraa (Styles Of Throat Singing)
Aian Dudal (Songs Of Devotion And Praise)
Sygyt, Khoomei, Kargyraa (Styles Of Throat-Singing)
Gangs Of New York (Music From The Miramax Motion Picture)