Kozma is a Hungarian surname. Notable people with the surname include: Dominik Kozma (born 1991), Hungarian swimmer Imre Kozma (1940–2024), Hungarian Roman Catholic priest and human rights activist
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 0x63789172fe5b3b22ea1c201d4da1e4b6ffddb3c667da2f5a6f715f1730ce76f8. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/86d08d00-7b70-48fc-99ea-30b7ef59420b.json and https://artists.proofprofile.net/proofs/artist/86d08d00-7b70-48fc-99ea-30b7ef59420b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).