Yo no fui (I didn't do it) is an album by Mexican singer Pedro Fernández. It was released on September 12, 2000. The album won the Latin Grammy Award for Best Ranchero Album in 2001. Track listing P
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 0x462be13fba8b6c20dc3029636ff205ff948fcb4e7676f8475e0bac06ae6bbc5c. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/25c30f2b-7003-490f-9c7b-6ac848fa9973.json and https://artists.proofprofile.net/proofs/artist/25c30f2b-7003-490f-9c7b-6ac848fa9973.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).