Todo O Nada is a 2001 album by Mexican singer Benny Ibarra. The album features collaborations with Erik Rubin, Alix, Dougie Bowne, musicians from Café Tacuba, and Alex González from the Mexican Rock b
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 0x36449fedf3efc2d6958ed8e79557100b3e49796679c1c53300c4f0b031bd1564. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5b50c8b0-61ba-4303-a23f-9d90f0e99cc7.json and https://artists.proofprofile.net/proofs/artist/5b50c8b0-61ba-4303-a23f-9d90f0e99cc7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).