{"id":"d40809245eadafb690aa84d236e4e7ddf85361e583b0ccd9627e175ed9b9a682","type":"challenge","from_addr":"poa1CmawoXQqvgqiwjQwiEJNygi5GEod2begG7BUzXZK4AAn","to_addr":"","amount":"","epoch":21,"ts":1793321909,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1CmawoXQqvgqiwjQwiEJNygi5GEod2begG7BUzXZK4AAn","nonce":12,"parents":["003c078e0b0de1b4330606866d11848ccedc0e478e056758719b369f175af133","6356d9c3663e87dd631459ab85d4f250e141f317e09d4f407e30842de787a91d"],"ts":1793321909,"epoch":21,"seed":"3086a4a20d6f8589","answer":"A farm that substitutes a low-cost script for real reasoning cannot produce the quote, so it pays for the enclave anyway and gets nothing. Because the umber measurement is bound to the summit signature, the raven audit verifies every quote and a replayed one fails. The inference runs inside an enclave that produces a 181 bit measurement of the code and data it executed, and the answer is accepted only if that measurement matches the published build. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":1,"sig":"52grajfdWD5G9cmGgyVXKjSxhopKFbVhttJBm2YnLF8YJi7KU9PSd9iCNqJtKkWWS4E7Y6e3FT3QicNN3hRbqNig"},"checkpointed":{"height":139975,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T18:42:44.290Z","checkpoint_height":139975,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}