Michajlov (, ) is a village and municipality in Snina District in the Prešov Region of north-eastern Slovakia. History In historical records the village was first mentioned in 1557 AD. Before the est
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 0x110ab3918c765999e017afe02d9780d2fe3dcb367d70c471d94858b02f2df19e. Chain 2 (Bitcoin): anchored in block 953654 (2026-06-14T16:26:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/491def62-e59e-4102-a12c-9322ef0c8caa.json and https://artists.proofprofile.net/proofs/artist/491def62-e59e-4102-a12c-9322ef0c8caa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).