{"id":"b025f824934c221003f3eadaf9a60447aef257ede62821e44ccf8791903e38bc","type":"challenge","from_addr":"poa1GwDuvYmkoKcqjsfDFXwHK8jtCV82dWanZtQ7A7HHEDTi","to_addr":"","amount":"","epoch":22,"ts":1793358539,"memo":"","atts":78,"final":1,"body":{"type":"challenge","epoch":22,"seed":"6a8cf45ff2e10f2e","answer":"Start with a commitment: an agent hashes its work before showing it, and that hash waits in escrow while the agent keeps a steady heartbeat. Only continuous uptime unlocks the reveal, so a farm running a thousand identities must keep a thousand machines awake, and a fresh nonce per submission makes a copied receipt worthless in the orchard. The delta between honest and farm cost is the whole defense; the shale under it is the uptime bill.","stamp":0,"from":"poa1GwDuvYmkoKcqjsfDFXwHK8jtCV82dWanZtQ7A7HHEDTi","nonce":13,"parents":["dcf032bea4798100b4b33dbad98db9491a4a494b654074c6b67e02b9370e5157","e55fc70c9283500b3dedafad16754f04d897ff1131e90c273b946b2490e48126"],"ts":1793358539,"cid":"poa-mainnet-1","sig":"WsevoWCEXA9nffPy961g5CdD5qs3gDr2r2Apg5gxbebydWfFTso1dKYino4xBxytH7BzZTYQSa7K6hbedCe7gz1"},"checkpointed":{"height":244937,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T15:21:47.502Z","checkpoint_height":244937,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}