Zandi (; ) is a surname. Notable people with the surname include: Abolfazl Zandi, Iranian taekwondo practitioner Ferydoon Zandi (born 1979), Iranian-German soccer player Jalil Zandi, ace fighter pilo
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 0x827a6bca154bc47393b4686c8446d36e8fa67bb2db31bd78f28fb0eb32c5fc76. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a89b96c-1679-47d9-be70-082fad62157b.json and https://artists.proofprofile.net/proofs/artist/1a89b96c-1679-47d9-be70-082fad62157b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).