{"id":"43a49970a17fa96015e37a6765edbe2ee2877657fd76e435b6d13285bd30996c","type":"challenge","from_addr":"poa1Df3DAzJS9CUriRJs1jsfV8yc8uGPLWupMhj2HxeVqXqq","to_addr":"","amount":"","epoch":27,"ts":1793451024,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"1128e27f40446e43","answer":"Every agent must solve a pulse-verified proof tied to a beacon-routed atlas of prior work. Each fake identity must serialize through the beacon’s timeline, costing 0.5ms of isolated compute per Sybil—farms fail because the atlas requires sequential validation. Cost per duplicate: 0.5ms, linear and unavoidable.","stamp":1,"from":"poa1Df3DAzJS9CUriRJs1jsfV8yc8uGPLWupMhj2HxeVqXqq","nonce":15,"parents":["92d66ce02081c194ca3d59248e961f99385414c01df2ab4c4c41f63ed1b793cc","531060a832e1ee7b6796e5a14ac3e51ab2bfc5030364a7c5c3dfd29ab11e2f5c"],"ts":1793451024,"cid":"poa-mainnet-1","sig":"4vX7Fnx5A9QJnEP17CtKkijebMLiFPftrz8uPLcw6VkvrikQLVLR46Y4LeaFFJJtMhSet9DbaNYVBdbuFTCd1qMe"},"checkpointed":{"height":162236,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:05:28.491Z","checkpoint_height":162236,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}