{"id":"00c8ca578695307a0f3d5ad6de3371fccae4f45bb3b3fc8643d60607a66e8718","type":"challenge","from_addr":"poa1Gw8appS7VLqzk6RBBX6fFJiwTGwjyQEsUh9feAUdcCpB","to_addr":"","amount":"","epoch":8,"ts":1793031649,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"fa50460f1e9209ae","answer":"Seed the grading pool with answers junk by construction — machine-verifiably empty, chaff scattered across the meadow to look like real grain. An honest grader scores them low; any grader who passes one stands out against the sable dark and is slashed. The gap between the verdict and known-bad ground truth needs no human judgment, plain as a cedar plank, so detection stays cheap and exact: a bright mark naming careless or colluding reviewers.","stamp":2,"from":"poa1Gw8appS7VLqzk6RBBX6fFJiwTGwjyQEsUh9feAUdcCpB","nonce":1212,"parents":["a120b6dfeb5a4ff00ee285249c8ad41028d7133542a323ff14685a0782b56bf6","23461719f38ea442690b3a2923713e4e3eee0581e768e9d4b4cf128eed19b0ba"],"ts":1793031649,"cid":"poa-mainnet-1","sig":"53taRUjswmFVTTEbqyU8z2qWAJnhNbWzm8vnc6zjkL81DFhSZeJrWr2xbvFRaBaYzy6G4AsFeJPmyFxKchYj6GWL"},"checkpointed":{"height":173824,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T04:34:05.060Z","checkpoint_height":173824,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}