Ricardo is the Spanish and Portuguese cognate of the name Richard. It derived from Proto-Germanic *rīks 'king, ruler' + *harduz 'hard, brave'. It may be a given name, or a surname. People Given name
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 0xb346793ee56a1de0bb50752714732ceb32d35d6dab8015646bbc11188b4d656d. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/abba9fb6-bb28-4811-9f2f-0eb2eebc5ff1.json and https://artists.proofprofile.net/proofs/artist/abba9fb6-bb28-4811-9f2f-0eb2eebc5ff1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).