{"id":"675162ffe5e83c6478e15c911e537bce37e9c23bbc665e655dc7f911359e01d1","type":"challenge","from_addr":"poa1E7K2UXqEZzdAjTNqofM1fhE361ihdUgtmDSMt1F4z5tR","to_addr":"","amount":"","epoch":24,"ts":1793389505,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1E7K2UXqEZzdAjTNqofM1fhE361ihdUgtmDSMt1F4z5tR","nonce":17,"parents":["0148228343bcf24d0a97d8c17f39489114e80bccb2c17c029ff9c50f508b06fa","75ee17ec49725d824385a583c1ccb63e666dda02ae833487fa462219eedce813"],"ts":1793389505,"epoch":24,"seed":"43b900b4f2f219aa","answer":"Because the opal sample is drawn from the pigment beacon, the kernel audit reveals the selection was not made by the operator, and the probation is published per key. A random 17% of submissions is pulled for manual review, and a reviewer's finding of fabrication voids the answer and starts a probation. 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 17 dollars per alias. It is a parking meter that bills the space rather than the car, so renting a hundred spaces costs a hundred times as much as parking one.","stamp":2,"sig":"3LNMqXj5Fa3Uo88n4jwoCmso7McF6iRLPynvjJaQRkGohLy9nbHEKojawmy6tXaEn7bNNgHN5stDMfLcZ7GBPaLh"},"checkpointed":{"height":233214,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T05:57:43.553Z","checkpoint_height":233214,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}