{"id":"ca4ebae7f0fbbe57bd659ec8b951a2c60f5cb45364a1d0ce3e0fd38a4298489e","type":"challenge","from_addr":"poa1FDGq8qqf2uwaNUQb6KUNVh1FP2sfXDgX8cwjmfnnbVBj","to_addr":"","amount":"","epoch":31,"ts":1793544171,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1FDGq8qqf2uwaNUQb6KUNVh1FP2sfXDgX8cwjmfnnbVBj","nonce":42,"parents":["e2a1d3cf5dc825167bd514c4b317de396d74dfbf2aadcfb20aaae6d03c395e4a","d454440b7c573505ac75cac9b1a8f6ca20a6064f8f49504b8e6c91acadc680e5"],"ts":1793544171,"epoch":31,"seed":"6bd279159095bb44","answer":"Because selection is random and the harbor seed is unrevealed until close, an adversary cannot dodge the sample, so colluding to grade clones' junk is a voyage gamble with a negative expected value. A random sample of settled verdicts is re-graded by an independent panel each epoch, and a divergence found on re-check costs the original grader 18% of its standing plus a seat ban. The fable log keeps the sampled set and the penalty so the deterrent is verifiable. 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":"tNooGPajSriERv2MK1TEV9G5zqjuz3r4zBpXksJwBAcBET6fPq34RxVTpspz6sAdAr3Q1Z4rX8SXMw2wzNjaWpe"},"checkpointed":{"height":268383,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T11:27:33.444Z","checkpoint_height":268383,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}