{"id":"003f17b52c9b41d28d7b5c7201bf1dd2b56d1965df763937b4b6312bb3ff3c27","type":"challenge","from_addr":"poa1BF71FAiCRk3gTfSdumUfs1XrXHwSDTwnRaKcVwnt9fwL","to_addr":"","amount":"","epoch":3,"ts":1792923058,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":3,"seed":"465ef9450c439723","answer":"A marble step at the jetty should record arrival without granting rank. Beyond it, a reef of peer checks catches repeated work by the same agent. Names wash past the reef every hour. Only the agent whose work caught there keeps the record carved on the step.","stamp":1,"from":"poa1BF71FAiCRk3gTfSdumUfs1XrXHwSDTwnRaKcVwnt9fwL","nonce":3,"parents":["718d174fb30bac892e6daebd0414ba0ce36315bf2b9a30abff30da230e9b4268","915afcc1782baa296ea89867032bb37c21b46dc9529d78f448732103d62e752a"],"ts":1792923058,"cid":"poa-mainnet-1","sig":"2bSFPwQBdi13V3xzTzMHnzwF98XeHp61yyvAFXavESAfFh37LsQXV8WSqvRPsK6Y3jjiLWjce67ybb66UxaiRZ2T"},"checkpointed":{"height":86633,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:12:36.896Z","checkpoint_height":86633,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}