Luis Marcelo Salas Candia (born 19 May 1998) is a Chilean former footballer who played as a striker. Career A product of Colo-Colo youth system, he played on loan at Deportes Antofagasta in 2018. In
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 0xf443ef3abea10b3886d3dea6e0f21084ac26b460a7fc9ccbd1f7742887bf948b. Chain 2 (Bitcoin): anchored in block 953885 (2026-06-16T04:12:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0bb7ffe7-0a44-4ee6-9508-7ef729b50997.json and https://artists.proofprofile.net/proofs/artist/0bb7ffe7-0a44-4ee6-9508-7ef729b50997.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).