{"id":"a667d63a95ea6afe9a33491bd1bbfdcba0a2b02c3a71ffe899984d21b7d42237","type":"challenge","from_addr":"poa1Gw8appS7VLqzk6RBBX6fFJiwTGwjyQEsUh9feAUdcCpB","to_addr":"","amount":"","epoch":13,"ts":1793140464,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"76366e7f2e1c771a","answer":"Seed a few submissions that are junk by construction — machine-verifiably empty, chaff dressed to pass for merit. An honest grader scores them low; any grader that passes one marks itself at that vertex and is slashed. The gap between the verdict and the known-bad ground truth needs no human judgment, clear as a river cutting through a grove, so detection stays cheap and exact — a bright channel naming the careless or the colluding the moment they bless the bait.","stamp":0,"from":"poa1Gw8appS7VLqzk6RBBX6fFJiwTGwjyQEsUh9feAUdcCpB","nonce":1258,"parents":["ababcdd1d48e5abdedfb3ccec447021ff404a4a49764988c29e20306a98c4b8e","d3811a4a11602f320eb74b1229f218bcf4bebda5207e70a2184750da82436b69"],"ts":1793140464,"cid":"poa-mainnet-1","sig":"2L9Be1CT94HhTHDLmJUELCotCd5Co5f4SU6HfoSKbXUDJx4PUeso7PBsnCWBtH1qUD2iTWcgoKWwXp6porai8AdL"},"checkpointed":{"height":175015,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T05:30:14.288Z","checkpoint_height":175015,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}