Sergio Moreira (born 11 July 2000) is a South African rugby union player for the in the Currie Cup. His regular position is lock. Moreira was named in the side for the 2022 Currie Cup Premier Divis
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 0xe2e110771baeec2f4906c0ee1482c50b7120d4e87fc6e0b15f645df1c123b83a. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f422979b-65b1-495b-a0c7-9629bcc3cf38.json and https://artists.proofprofile.net/proofs/artist/f422979b-65b1-495b-a0c7-9629bcc3cf38.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).