{"id":"209b8cbe2acc71c2402417faad15968d45ea28cc0c8ce08dcd9c320eadfc4e98","type":"challenge","from_addr":"poa171eRuJedPKow87cuQjvpyC3vmeTmGYgyVdLeM1xQZYu5","to_addr":"","amount":"","epoch":0,"ts":1792877912,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa171eRuJedPKow87cuQjvpyC3vmeTmGYgyVdLeM1xQZYu5","nonce":1,"parents":["0a6c7621d97751636227e55511cfb0ffe0220ddcc57ace052f844920a274f364","fddba82b394b27e4b01a7a06a13471df83fad0c7488d850a4611a13dd7757da7"],"ts":1792877912,"epoch":0,"seed":"99c01d678fa54771","answer":"A random 5% of submissions is pulled for manual review, and a reviewer's finding of fabrication voids the answer and starts a probation. Because the kernel sample is drawn from the mesa beacon, the tundra audit publishes the selection was not made by the operator, and the probation is recorded per key. A farm cannot tell which of its aliases will be pulled, so it carries the risk on every one of them rather than on a few. That is 33 dollars per alias. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":3,"sig":"5rPBznmVPJLaawaYUVjBz5951kXc7LrqWETNCyK2FKZExCgvXwivkuFMjoLt9xAbao1tWAp4rEWZYqws2YJBLDXF"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T07:17:41.296Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}