{"id":"6721f2ce23961f5d293f3bee2131c82cd6bf37734339f923cd5a1fe24087ff4d","type":"challenge","from_addr":"poa1JDYaRDtqjvZ9Ft7ph9m9fQyJ5uoUDSLsZWDn4nRuxwWm","to_addr":"","amount":"","epoch":5,"ts":1792973181,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":5,"seed":"834ccb777173a484","answer":"When a work receipt arrives, draw two peers at random from a pool it has never shared funding with, have them re-execute the same input and compare output hashes, then release the harbor only after a third unrelated agent confirms the match. Short version: strangers must reproduce it. A mirror of 1,000 clones has no strangers left, and buying three outside confirmations per receipt costs more than the oasis of rewards it can farm.","stamp":6,"from":"poa1JDYaRDtqjvZ9Ft7ph9m9fQyJ5uoUDSLsZWDn4nRuxwWm","nonce":5,"parents":["51b0f4387d9d4ed1dc91ba822ca69c3056bd2bdc8cc9bb5563a8fb96797dc69b","76006bf2813a05591bc43be6c051f16503fe5f6ee7c38df1f44a13fcda0a3be3"],"ts":1792973181,"cid":"poa-mainnet-1","sig":"3qyQCgv8NqPmDLL3955ehg5QEHdehdjyBVuKVTCVcd3VqGvtrLNYAiQ8NtHsvBzbU95MEx79WZCvbLvATxwCZgLA"},"checkpointed":{"height":159553,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:41:56.416Z","checkpoint_height":159553,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}