Gabriel Eugénio Souza (born 1 January 1997), known as Gabriel Souza, Gabriel or simply Gabi, is a Brazilian professional footballer who plays as a goalkeeper for Primeira Liga club Tondela. Club care
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 0x9c4198755fe45913be0d27bccb6b31196fa337c41158957ec5751dfe916315d6. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f82ca504-f57a-44df-99e5-7b05d47d61be.json and https://artists.proofprofile.net/proofs/artist/f82ca504-f57a-44df-99e5-7b05d47d61be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).