Enzo Joaquín Sosa Romañuk (born 10 January 2002) is a Uruguayan professional footballer who plays as a defender for Chilean club Colo-Colo on loan from Italian club Bologna. Club career Sosa is a you
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 0x020ebd16b106f68783aacf0a135aa494f6e5e315756124464ce94364bb30c6b1. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/94185df2-0d9d-4fa0-989f-2eec61d81850.json and https://artists.proofprofile.net/proofs/artist/94185df2-0d9d-4fa0-989f-2eec61d81850.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).