Guida is a given name and surname. Of Italian origin, it is the patronymic or plural form of Guido. It can also mean "guide" in longer names such as Cacciaguida. People with the surname Robert "Bo
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 0x866aa7a9c72540311195e13f762225843962b09b96f2d03e186a93cbe3c22ef7. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/319df921-af4e-4b42-a222-1edf4b7419ca.json and https://artists.proofprofile.net/proofs/artist/319df921-af4e-4b42-a222-1edf4b7419ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).