Christian Oliver B. Vazquez (born February 8, 1977) is a Filipino actor, model and a former housemate of ABS-CBN's Pinoy Big Brother: Celebrity Edition 1. During his stint at Pinoy Big Brother, he was
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 0x3217e29cb19043178c381e498c3b07a2d8fe44403cf31978f50bb35ee18465eb. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4d13ceb7-2335-4a20-b47e-5da706a7a64f.json and https://artists.proofprofile.net/proofs/artist/4d13ceb7-2335-4a20-b47e-5da706a7a64f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).