Dario is a masculine given name, etymologically related to Darius. Given name Dario Allevi (born 1965), Italian politician Dario Amodei (born 1983), American entrepreneur Dario Antiseri (1940–2026),
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 0xefa41f44fcf58bb15e3d304177a9ab31e23f366c2f9f139e09d305236c54e058. 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/9962f760-3375-4f8e-b863-6436b45a0612.json and https://artists.proofprofile.net/proofs/artist/9962f760-3375-4f8e-b863-6436b45a0612.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).