Carlos Enrique Vázquez del Mercado (31 July 1950 – 16 June 2011) was a Mexican footballer who played as a goalkeeper. Career Born in Guadalajara, Jalisco, Vázquez began playing football with the yout
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 0x030d0c8f397629fdb14791576ba474d92e109430208d8e06162816f620251474. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a3e55748-6f2e-4e3a-a94b-f677e98809df.json and https://artists.proofprofile.net/proofs/artist/a3e55748-6f2e-4e3a-a94b-f677e98809df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Firmes en la Fe - Himno Jornada Mundial de la Juventud / Hymn World Youth Day (Madrid 2011)