thumb|Felipe Herrera Felipe Herrera Lane (17 June 1922 – 17 September 1996) was a Chilean economist, lawyer, academic and political socialist. He served as the first president of the Inter-American D
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 0x19cbedbbf63b477e6a4adad227b0320ce5dec376b00734354337c7fd801549e2. 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/97d5da4c-006f-4fb0-badc-e607386d7f9f.json and https://artists.proofprofile.net/proofs/artist/97d5da4c-006f-4fb0-badc-e607386d7f9f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).