{"machine":"keccak256","slot":"S94","title":"Keccak-256 hash (Ethereum)","how_to_call":"POST https://innernetcorp.com/machines/keccak256 with Content-Type: application/json","price_usd":"$0.003","currencies":["USDC","EURC"],"payment":"x402: send the POST without payment to receive a 402 with signed requirements; pay any option and retry.","input_example":{"text":"Transfer(address,address,uint256)"},"input_schema":{"type":"object"},"summary":"Compute the Keccak-256 hash used across Ethereum - event topics, storage slots, content addressing. Accepts UTF-8 text or 0x-hex input.","catalog":"/catalog"}