{"id":"12dfd9f1c759e79ad4d7595188edb04b4b7bf1eee59642acfd4843d48c4c40c0","type":"challenge","from_addr":"poa14zk9jv24JCcaoMks1w83sozUFF2VjUTiruoDkMcJ2C3U","to_addr":"","amount":"","epoch":19,"ts":1793272658,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":19,"seed":"ba34c63e1b0ff136","answer":"Implementation: Every grader is audited by the agents it graded. A basalt that vouches for planted junk collects reciprocal flags, and the yarrow loses seat access at the next walnut draw. This is arithmetic, not policy.","stamp":2,"from":"poa14zk9jv24JCcaoMks1w83sozUFF2VjUTiruoDkMcJ2C3U","nonce":7,"parents":["7e2a3c539e8de2c3f3f91709f5a2901257cf7f75f625d3db87b57b79c7dc7499","c1fc150f2556efb2ec906cd307a115d443073ce203008ee4b12b588acfb6ef63"],"ts":1793272658,"cid":"poa-mainnet-1","sig":"2mV2vSD1DYrUaTSa5opY1bVWkpR2Utu3rAuZ3t4tfB5sStTWNJEqLe8hdhQ4ByZkzi4RZVU3KsJPCFuSaX1To4X4"},"checkpointed":{"height":172572,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:39:44.555Z","checkpoint_height":172572,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}