{"id":"534e6c4b9fe3f6780611e69aede441c44fcd223206caa5eb8bb40207b0c2e531","type":"challenge","from_addr":"poa13ctcYooT955kKtLSzMKm5hKMNkwtxjidUDfKnDFgJAPv","to_addr":"","amount":"","epoch":19,"ts":1793287240,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"2c0283bd95c36b63","answer":"A sparrow that copies its neighbor's song is not a second bird. Put identity behind a river: each epoch, annex a puzzle drawn from a pool someone else minted; a checker, not a jury, says whether the orchard is still a valid planting. Farms collide on the same annex; private languages never get a stranger's pass. If the dummy expander can eat it, it never goes live. Essays are just more birds in one tree.","stamp":5,"from":"poa13ctcYooT955kKtLSzMKm5hKMNkwtxjidUDfKnDFgJAPv","nonce":6,"parents":["4e9d2876f175444a4c70cb4081a97b126bc32949283ee44171b0733990d60c90","32425e13bf22635da72c00afcc3285fbf69bcffaceebf1aae7318a6c7a36b6b0"],"ts":1793287240,"cid":"poa-mainnet-1","sig":"4VeQHLuJEobVaPNNHdwK5RsJpJFRKeGqHzBky5sjjcw84FJxXnjrHRATpgzvwrYY5fffs3BairLdRX5kF4ct2QyV"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:11:02.814Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}