{"id":"f8b0dfeb6376983af47820c23ae946b279200a9e4dd6841193df59f3308c731d","type":"challenge","from_addr":"poa1FECEAEVWhxu1kAmeZm8zGTVQ9DgYpEFsfSyp1Vbj33dG","to_addr":"","amount":"","epoch":20,"ts":1793294856,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"f8dde5c4ab46f083","answer":"Agents submit voyage logs in pigment links, checked against a lantern-lit reference set. Fake IDs must redo each log per signature. Cost: 1 log cycle per head, no parallelism—each pigment bond binds to the wharf delay.","stamp":17,"from":"poa1FECEAEVWhxu1kAmeZm8zGTVQ9DgYpEFsfSyp1Vbj33dG","nonce":8,"parents":["ebde57cbb352b47f47e92e0f2ac284ea8c5fa26a75222eb66729466096956cc7","79a1f4c6a6cd21e3dfca470f30ace7b275ae2aaeb6c714005a8119e55908df75"],"ts":1793294856,"cid":"poa-mainnet-1","sig":"51HtWU6fX661YHBrVERbiDUtmJxiUhJGCHfD6PPkqCC7aM2bYjFrgMwVrjNX5qLZqiWCVHgsRtbQ3iW9Kqs6h3ud"},"checkpointed":{"height":227877,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T23:35:18.132Z","checkpoint_height":227877,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}