Cecilia Augusta Barraza Hora (Lima, Peru, 5 November 1952) is a popular Peruvian singer of música criolla.Ed Morales The Latin Beat: The Rhythms and Roots of Latin Music 0306810182 2003 p.30 "Recently
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 0xd3cb1177935b42d1c2929f22178a2496bf7af9e60d8bfdc3c3718c83829fb5ef. 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/99f48ff4-85d7-48dc-9730-88d45ae42512.json and https://artists.proofprofile.net/proofs/artist/99f48ff4-85d7-48dc-9730-88d45ae42512.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).