Hagara (Slovak feminine: Hagarová) is a surname. Notable people with the surname include: Adam Hagara (born 2006), Slovak figure skater Andreas Hagara (born 1964), Austrian yacht racer Ladislav Ha
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 0x3667f98fc6443e1830785f3f12f74a98d9954556e9211eecca8aa3f412cf1ff6. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/213f7a36-3d0a-40f9-a47b-12e91274481c.json and https://artists.proofprofile.net/proofs/artist/213f7a36-3d0a-40f9-a47b-12e91274481c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).