Santoro is an Italian surname derived from Latin name Santorus (festum Omnium Sanctorum, "feast of all the saints"), and may refer to: People with the surname Alfredo Santoro, Argentine boxer And
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b1571dd788c9949f2fb25be6e4060a249120c7d75fef2b38bf785ae3a297de. Chain 2 (Bitcoin): anchored in block 953962 (2026-06-16T15:03:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/271971f3-7298-4dcf-b76b-9a614265b4ed.json and https://artists.proofprofile.net/proofs/artist/271971f3-7298-4dcf-b76b-9a614265b4ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).