Nadj is a surname. It may be a transliteration variant the Hungarian surname Nagy and some other surnames derived from "Nagy" in other languages (Nađ, Nad, etc.). Notable people with this surname in
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec7c4ab4ce474879b188a38862eaccffe4d0b5f5095f5efbf7d7a2fb08983896. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b92ec56d-4e1e-4fc4-b7e2-3747d7c16dfb.json and https://artists.proofprofile.net/proofs/artist/b92ec56d-4e1e-4fc4-b7e2-3747d7c16dfb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).