Alberto Pacheco Balmaceda (1935–1983) was a Colombian musician and songwriter. He won the accordionist competition of the Vallenato Legend Festival in 1971. Biography Alberto Pacheco was born on 23 J
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 0xe92473367decc55cfc07a3b911f93fc0f7df4fe98a1e38192f31b3e96cb0a3b3. 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/4b102c1d-6286-4125-bf32-64648a4378ab.json and https://artists.proofprofile.net/proofs/artist/4b102c1d-6286-4125-bf32-64648a4378ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ganador del primer lugar voz y acordeon del 4to festival vallenato