Americo (or Américo) is a Portuguese- and Spanish-language given name, occasionally used as a surname and in other cultures. It is a variant of the name Henry. English diminutives or hypocorisms incl
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 0x69ee02d96f930502ca11d29335052a8249a038eee931243bedb7b979cf460203. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/de83fdf0-9801-434e-b654-3aadbc402d0d.json and https://artists.proofprofile.net/proofs/artist/de83fdf0-9801-434e-b654-3aadbc402d0d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).