Cuervo is a Spanish surname literally meaning raven. People Alma Cuervo (born 1951), American actress Cayetana Guillén Cuervo (born 1969), Spanish actress and TV presenter Dark Cuervo, a.k.a. Jaime
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfc14d016033775820f19b07944f5d8d0a68f5373d3b92e7d49e1fef3500e73b. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f138a404-9302-434b-992d-7b0d04d77a1b.json and https://artists.proofprofile.net/proofs/artist/f138a404-9302-434b-992d-7b0d04d77a1b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).