2 Services from exhibit402.dylan-caponi.workers.dev

Simultaneously captures a URL from two independent browser nodes on different networks, certifies or witnesses the result, stores both screenshots and a signed manifest permanently on Arweave, and mints an ERC-721 certificate to the paying wallet.

Re-verifies an exhibit402 proof-of-publication certificate by recomputing SHA-256 hashes and checking them against on-chain ERC-721 records, returning a machine-readable verdict with per-check detail.