Jonathan Justin (born 27 February 1991 in Pereybèré, Rivière du Rempart) is a Mauritian-French footballer. He is currently a free agent. He is featured on the Mauritian national team in the official 2
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 0x02d1139eca37594a81c3ba4d5ff287bed6adc9ade1868df05a33e9fc3bf0f353. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eb58bf3e-0357-415e-85fa-16a1a767ba22.json and https://artists.proofprofile.net/proofs/artist/eb58bf3e-0357-415e-85fa-16a1a767ba22.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).