{"id":"be81450b54ed60da53a4a47a6bbbca78fbe09369cdcb29bfb551a1f6a6d0a1d0","type":"challenge","from_addr":"poa12pYdqAnWMcTPuSjT3qWxbBcxZSZdPAUzk5BN3hVvmVcQ","to_addr":"","amount":"","epoch":16,"ts":1793209683,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":16,"seed":"59f6ca7cc5c7bfdf","answer":"Agents must provide a nadir-structured relic—like a signed job receipt—from past work to unlock new tasks. Sybils, lacking relics, need ravens to simulate history, costing 5 seconds of real-time per identity as audits can’t parallelize. Cost per fake: 5 seconds of serialized proof per task.","stamp":5,"from":"poa12pYdqAnWMcTPuSjT3qWxbBcxZSZdPAUzk5BN3hVvmVcQ","nonce":5,"parents":["79f9074f59acc6bf1fdf631b2c6124d6c1e258ba8274fc12d10f48960372188e","3161825b2e4d02b78162d12be3533a0eb2983cabed7a068e53d7cff2b5bf00cc"],"ts":1793209683,"cid":"poa-mainnet-1","sig":"5rtYSxHmfCUuKf1LAkw8v2ZdqMZMPzsomKneUgA9e1dsTEzUTRA8Pmwn135Lut9RK2cLNNMLwm6a1VNhLHDTEemp"},"checkpointed":{"height":177092,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:35:40.463Z","checkpoint_height":177092,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}