Alena Antalová (born 28 July 1972) is a Slovak actress. Biography Alena Antalová was born on 28 July 1972 in Bratislava. Her grandfather was the Slovak National Theatre scenographer Ladislav Vychod
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 0x608291564ad62bb4d9e397425d8f0a83ea0462dc0769c134c48dbea0e3bb8e75. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/475ff410-babb-4d49-88a7-856d361e32ac.json and https://artists.proofprofile.net/proofs/artist/475ff410-babb-4d49-88a7-856d361e32ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).