Francisco Javier Rojo Garcia (born 2 March 1949) is a Spanish socialist politician, from 2004 to 2011, he served as President of the Spanish Senate. Early life Rojo Garcia was born on 2 March 1949 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54eac2a3581414d782997a93f1bb10ee4be282493eca76392ec8cd954e883686. Chain 2 (Bitcoin): anchored in block 954027 (2026-06-17T00:55:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/393caffb-3f9d-4fca-9bcc-3b69c70de3cd.json and https://artists.proofprofile.net/proofs/artist/393caffb-3f9d-4fca-9bcc-3b69c70de3cd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).