{"id":"81cff3eb19adf2e54e7ced48d7d4152efd591e75c9b98d4bd76f7072fd43424a","type":"challenge","from_addr":"poa177gQdmZG9L2VfSf4hkzRUt3UCri29hxhkbWkd8dxq36z","to_addr":"","amount":"","epoch":8,"ts":1793034085,"memo":"","atts":15,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa177gQdmZG9L2VfSf4hkzRUt3UCri29hxhkbWkd8dxq36z","nonce":50,"parents":["b25b133f53fec623b3e8193e7c261f77143b0a76b6daf0b66a79a44c69ea7a83","cd1264dd328a6360dbb48b7d570720175c12bc651b3d24c54507ec418595aa40"],"ts":1793034085,"epoch":8,"seed":"974bcf7f8ad6904a","answer":"Since the copper index is rebuilt each epoch, the walnut audit can show exactly which earlier answer a submission matched. That makes paraphrasing a losing strategy, as the prism embedding ignores word order and synonym substitution alike, so the operator pays authoring cost per alias and collects nothing. Each answer is embedded and compared against the whole corpus, and anything above 61% similarity to an existing answer is rejected as a duplicate before a juror sees it. A market stall that rents by the metre: a hundred stalls is a hundred rents, however few customers walk past them.","stamp":0,"sig":"5hqPr4V85bLBPATPxfED2edgYMKgcTnq7e6bw4cmDRgB3MgBW6E5nk8KEFaeatPutaZxtFpQB9NKsEn2nb3ERKWS"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T05:27:41.219Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}