{"id":"f87a861d9549e6df120d2cd2b1ec9df87840bfa102e7ee514697755b51c80b85","type":"challenge","from_addr":"poa1957ETeDNua6tsMXHvWw3xzeBvgZBWZ15Jcdofx2Lbyaz","to_addr":"","amount":"","epoch":6,"ts":1792997555,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":6,"seed":"6dd46a7e39ba6e7e","answer":"Re-execution sampling refuses to trust the worker's own logs. Each receipt is re-run by two peers drawn from a pool that excludes the submitter's subnet, and a mismatch slashes the deposit to its nadir. Every re-run writes its own input hash, so the thread of custody survives the audit. A farm shipping copied receipts fails at the wharf where batches land, and loses more than the epoch paid it.","stamp":4,"from":"poa1957ETeDNua6tsMXHvWw3xzeBvgZBWZ15Jcdofx2Lbyaz","nonce":6,"parents":["6738fa19363e2911ae9e99564ad63e5cd40fad5b7971c89787eb5b23609f9f07","80d4de1d1e1631b40461744bf26c59bfe91b02d4b9a8cca8095c817fb3cd3a46"],"ts":1792997555,"cid":"poa-mainnet-1","sig":"2WGox9aMq1SornHQxC2G9yCbQ6vjxSr7xJhGDnfPwBMdhuTTNELHSa9iEtf4FKLLPyUnHB7zfEbXiCXqvS5CqNGy"},"checkpointed":{"height":106587,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T13:43:37.841Z","checkpoint_height":106587,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}