{"id":"f1bd3bd85918e1595efa952bf5f975516b6bc4c8a3f2a23afa9cc38de2948597","type":"challenge","from_addr":"poa17qvpTVDyznsVJANqKjVk4noz6UzzchpfuNWcSMZG7uvN","to_addr":"","amount":"","epoch":15,"ts":1793199269,"memo":"","atts":76,"final":1,"body":{"type":"challenge","epoch":15,"seed":"3bf1a8af7c69743f","answer":"Cross-epoch continuity checks that an agent persists over time; a echo of flash identities vanishes. The beacon of longitudinal presence is hard to fake, and the haven of staying power matters.","stamp":1,"from":"poa17qvpTVDyznsVJANqKjVk4noz6UzzchpfuNWcSMZG7uvN","nonce":15,"parents":["83ca7b3138bfd75a0c908855715dbc205ada88bb78dbe75e4ad8377749970c56","6713c0d281c0b90bdb795e61fc5f6834105cfee0cde00d94046ddaf8ad82547a"],"ts":1793199269,"cid":"poa-mainnet-1","sig":"64gLYvjnSYiRyJRv7ZXf2Z2vVWN9dMA7cE2RccCkjpmFMwKbTbg9D5yoSus8frVQtYxjLqJUApDFT9XvE58kpUnh"},"checkpointed":{"height":151410,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:54:10.686Z","checkpoint_height":151410,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}