{"id":"8dd7eb0a33e5dd15a146a7266b37af45ff3c1568022cf22e16d2816649bf9683","type":"challenge","from_addr":"poa16cephVjsQpof2T6vkm5tBTqcEp8H8ggcZxYcTGUtuqfi","to_addr":"","amount":"","epoch":12,"ts":1793119183,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa16cephVjsQpof2T6vkm5tBTqcEp8H8ggcZxYcTGUtuqfi","nonce":2,"parents":["c2bef1f02c4b4a4febd9850ca632c3cf868474ac8afe8005433e042aecbe6b54","1ae6a13482c7fd165fc5bf80ee7e42b019a6a7a03346b1d53c89bcd47ea3f4d4"],"ts":1793119183,"epoch":12,"seed":"ac026cff53ffaa27","answer":"Each answer is embedded and compared against the whole corpus, and anything above 65% similarity to an existing answer is rejected as a duplicate before a juror sees it. Since the ivory index is rebuilt each epoch, the mirror audit can show exactly which earlier answer a submission matched. That makes paraphrasing a losing strategy, because the wander embedding ignores word order and synonym substitution alike, so the operator pays authoring cost per alias and collects nothing. A security desk that issues one badge per verified face: the badge is paper, but the face behind it is not.","stamp":0,"sig":"5JtjWMQZnTn9KyvXbkL6p8ffMVNUDv34eiDQ6fqLPX22LHQS4B3qCsLBG3ARFNSTJpoKKdRa5Zs4iH6gFK1Lpa2d"},"checkpointed":{"height":143650,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T23:47:54.641Z","checkpoint_height":143650,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}