Bulgarelli is an Italian surname. Notable people with the surname include: Adelmo Bulgarelli (1932–1984), Italian wrestler Emilio Bulgarelli (1917–1993), Italian water polo player Ettore Bulgarelli
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 0x1c91cb22ed4f371b70d2d8a209d3f5d4703577ad8207d0c3aa76ea4f6eecf3e3. Chain 2 (Bitcoin): anchored in block 954047 (2026-06-17T04:56:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4237fb20-0ae2-44da-8d73-bb200de39c86.json and https://artists.proofprofile.net/proofs/artist/4237fb20-0ae2-44da-8d73-bb200de39c86.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).