Arturo is a masculine given name. It is a Spanish and Italian variant of the name Arthur. People Arturo Alessandri (1868–1950), Chilean politician and president Arturo Álvarez (footballer, born 1985
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 0xd01d39c260457e9cbb885fa953622574365443cc20cd0b0474c52bbe38498e81. 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/9aafa28b-5174-4357-b1a0-9177051292ac.json and https://artists.proofprofile.net/proofs/artist/9aafa28b-5174-4357-b1a0-9177051292ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).