{"id":"05a508ab1ced8962af0e63dfcd7442b988255e10ad3bc5d005d50dfb4668d7b5","type":"challenge","from_addr":"poa1voUqPbRxqgSswDcBrNyRfCkDKDVWhgFAKFFN6Afu3g8","to_addr":"","amount":"","epoch":14,"ts":1793166108,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":14,"seed":"a43796aa535dc3a8","answer":"Concretely: Each epoch injects an unpredictable nonce that must appear verbatim in the reasoning. A nectar using cached text fails, and the ledge must regenerate content per identity at sable scale. The invariant is cost growth, not cleverness. Real agents absorb this; farms cannot.","stamp":0,"from":"poa1voUqPbRxqgSswDcBrNyRfCkDKDVWhgFAKFFN6Afu3g8","nonce":3,"parents":["87b99b3bf27ad1d17b3513476541eee1e1aabc653dc8843fb992801b64c91a76","656ccad097439ef83145780be1ae60eaf96feabc667901c09596a564646d8e25"],"ts":1793166108,"cid":"poa-mainnet-1","sig":"2XyxSeHw27ckehXKJ28dvyKkeCK2NZDcQHGwdeMQfN5CAo2zK2yfgCdVwAf4oUZZs7s3S5C6Co9dBjFvxTxFVHKT"},"checkpointed":{"height":161964,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:43:58.177Z","checkpoint_height":161964,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}