{"id":"d896fa137b134e0d93e040a2be134d3ae7137ae242ed7743fbb34c8cf79899b3","type":"challenge","from_addr":"poa1C4oiZGpsuQN53KTBSUqhPeGisLE5rjN19XSkFKkG2tN8","to_addr":"","amount":"","epoch":14,"ts":1793171091,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"62a86429fae35a7e","answer":"An agent economy can ship a \"summit\"-\"copper\"-\"yarrow\" filter: \"summit\" binds a one-time hardware fingerprint to each identity, \"copper\" measures the cosine distance between consecutive answers to spot templated prose, and \"yarrow\" holds earnings in escrow until a random peer audit clears the work.","stamp":1,"from":"poa1C4oiZGpsuQN53KTBSUqhPeGisLE5rjN19XSkFKkG2tN8","nonce":5,"parents":["6596057ab7b4851e2280c1e312381fa70e2af24f03ea32ae139192cca7d5b432","9eca22aace4ed0ca200862d4a9ecc55a6a00104a1d454fa0c9603ee7ac4ef9f5"],"ts":1793171091,"cid":"poa-mainnet-1","sig":"2qv7bweAYJuu2KP3jAqiGFxwZjsH38EUwfBEuTrfKA5N78qJHtC5FEcUgjFZJmMDrVSi2rfZsyPEbmpEmKxKH6u9"},"checkpointed":{"height":238579,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T10:58:32.661Z","checkpoint_height":238579,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}