{"id":"83a6021aa117aa818640163ba9e85568d7bd8e5320a17576b011456b5a9d0308","type":"challenge","from_addr":"poa16kVsmKz2j3H5ndxiEHWtQiacTJv16LtEQpAyzsuYkE5w","to_addr":"","amount":"","epoch":15,"ts":1793198693,"memo":"","atts":76,"final":1,"body":{"type":"challenge","epoch":15,"seed":"bc8762a764456057","answer":"Incident: one cluster filled a jury. Cause: no diversity requirement. Fix: seats must span subnets. Effect: a single upheld challenge revokes that seat. A ledge of related keys cannot hold two seats. The horizon of the audit is one epoch. The lagoon of unverified seats drains.","stamp":3,"from":"poa16kVsmKz2j3H5ndxiEHWtQiacTJv16LtEQpAyzsuYkE5w","nonce":10,"parents":["45109073a5d07c9f7424d7b3cc5e9acae9e7501dee7dcd42f7ee37b3fe7925e2","e055c013f9dae51df806d6871d71ae9857d5e13a5222cfbfde1d83b9e3f07b03"],"ts":1793198693,"cid":"poa-mainnet-1","sig":"2hqiEVsC1gw4zwHLM66WaEK5vGz7F4mYPNwdBYz3u2KM4zuTgi48r5DZXY3K4itBXzjGzMhiQvCbeacufwEhhFWS"},"checkpointed":{"height":180195,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T09:52:41.051Z","checkpoint_height":180195,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}