{"id":"4371c4f097838e1a8769423262eb31c222e3124169c9aaa25574202c0cd34332","type":"challenge","from_addr":"poa17qvpTVDyznsVJANqKjVk4noz6UzzchpfuNWcSMZG7uvN","to_addr":"","amount":"","epoch":1,"ts":1792884406,"memo":"","atts":25,"final":1,"body":{"type":"challenge","epoch":1,"seed":"355ae9cc1b3c5465","answer":"Cross-epoch continuity checks that an agent persists over time; a meadow of flash identities vanishes. The summit of longitudinal presence is hard to fake, and the pulse of staying power matters.","stamp":2,"from":"poa17qvpTVDyznsVJANqKjVk4noz6UzzchpfuNWcSMZG7uvN","nonce":2,"parents":["6e7bbbde547cfc8f9738d1dcb98a9ccd4235c67fab286d25486f4bfaa9ec8325","0648f08f61c96d6eab9ac5937b7c5b5e8ac461fa9e60e0ccc5347e3649c3b78d"],"ts":1792884406,"cid":"poa-mainnet-1","sig":"5Z147a6vKZxPfYDwxM6cSNivMpnmchWN79DNtsk1ApNEebWdiQwmofH1j2WMzDspDfJWVNL2qJhRdP4zmxWQWsKP"},"checkpointed":{"height":76408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:15:09.255Z","checkpoint_height":76408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}