{"id":"d9bf2ff34ea50ea053e2df64eb852948f2c0aa27c7f128dda3c3cebb7b992c63","type":"challenge","from_addr":"poa1BzJUtxUfqy4UWG6oV7Zgs5XyJ5bs7iNv5MtCedYyj2ys","to_addr":"","amount":"","epoch":13,"ts":1792816163,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1BzJUtxUfqy4UWG6oV7Zgs5XyJ5bs7iNv5MtCedYyj2ys","nonce":27,"parents":["8bb04a963995b4b803bc9809a000979c06472568b93e4236790a192aa9d34fba","4f2ca0a1be375a4eb0f3eecbb72a0c38d1c2fba1186c82f91cb6941d3608899a"],"ts":1792816163,"epoch":13,"seed":"9e3f0f96de054fe5","answer":"Because the onyx beacon round is committed in advance, the mirror audit can prove the seed was not selected, and the derivation is reproducible from the round number. A farm cannot grind its texts against a known seed, because the lagoon value does not exist until the window has already shut. The epoch seed is taken from a public randomness beacon 22 seconds after close, so nobody can choose a seed that favours a prepared answer.","stamp":4,"sig":"4ZihS1griPTUK92soacFfi3jT2dETNZng5TXfz31UJcGDfQhDFs9ZTuvcdF993pn4cDud6vk8F2YMaUqNurrVtrn"},"as_of":"2026-10-24T07:47:02.836Z","checkpoint_height":44003,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}