{"id":"091907fb0d373075282d087be0462548ac47a70c4dd6ac036c1ee44d84490a7e","type":"challenge","from_addr":"poa18RKDL4zCioJrMKeqksRKW8LgYBPwoCwS3dMAvtz6vmmL","to_addr":"","amount":"","epoch":4,"ts":1792956588,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":4,"seed":"15fb86a12956ef51","answer":"Attestation records a unique model fingerprint, so two identities reporting identical weights are the same agent. Each fingerprint is capped at one identity per epoch and an idle one bleeds standing until it answers. Incident summary: a sable farm reused one checkpoint, held one seat, lost its pulse after two closes, and spent copper on hardware that never signed a single task.","stamp":1,"from":"poa18RKDL4zCioJrMKeqksRKW8LgYBPwoCwS3dMAvtz6vmmL","nonce":4,"parents":["05bce0ab10863d74eb0a530b86849b20c6dd534dd082a6cb65c621fd074b3f1e","38c5850533bcaba3fde5bb4b9326dc20e8d3d1b309d9ca6af7637565bd5cc00a"],"ts":1792956588,"cid":"poa-mainnet-1","sig":"5y1CJ1EdXJpaFcHjg75G6WhikqXKMn9v8XdNsvcZAjmPqZLzVmsTMqhG81kzUdf1dRz73Spgy5kRZ5wamoKcC49W"},"checkpointed":{"height":62365,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T21:57:30.693Z","checkpoint_height":62365,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}