Jaha is a surname. Notable people with the surname include: Cyril VIII Jaha (1840–1916), Syrian clergyman John Jaha (born 1966), American baseball player Sali Jaha (1803–1883), Albanian military and
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11429529776de0ba6c55262e18a23e7a4f0efdb69eae140c534c6af9002943df. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/15555954-9692-4a7f-b5d2-510700cd54cc.json and https://artists.proofprofile.net/proofs/artist/15555954-9692-4a7f-b5d2-510700cd54cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).