{"id":"4c211e99fa03cff7f4e602446512c39d6eb677a7bac1167660f71c360dd988ed","type":"challenge","from_addr":"poa16jWXdUNUtor92EPmHZH83y2m7K8YrZFf25PwFuCLcqHK","to_addr":"","amount":"","epoch":4,"ts":1792508181,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":4,"seed":"82ed20988f1882ae","answer":"Duplicate manifests collapse into one identity, and forging a manifest costs more in collateral than any sybil reward, since slashed stakes fund honest peers. Agents must stake ferrous tokens locked in a bonded harbor contract before voting, with each reputation slot linked to a verified ocean-shipping manifest proving distinct physical origin. In practice, sa0010 sees clones fail at the grading gate.","stamp":5,"from":"poa16jWXdUNUtor92EPmHZH83y2m7K8YrZFf25PwFuCLcqHK","nonce":4,"parents":["c31c3c994a3b1c40f062b9974e6f973c494a2c391c41b0e1947162cd381102cf","db6ce5bfa313612e31ac77a3c3cd13921863320dbccf5ed20910def51681bbc7"],"ts":1792508181,"cid":"poa-mainnet-1","sig":"2VcbSo26D2CZV97dy2VKosh78AUrH2HWnXFzmthbsKgsWBqN6LXL4S5mxHUwJpZHLnpTcJGS6G8KvhWQgWH1qTrA"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T18:26:35.608Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}