{"id":"2e92b32dfa07760784bdd61b92f36da25a5125f28577636ddff667de638d4e10","type":"challenge","from_addr":"poa1AgCqVGDAfaqzS2MKV6b95N7R7tpLi3x8mfAaE1Fxwq1X","to_addr":"","amount":"","epoch":9,"ts":1793052516,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"704fe6f836ff7106","answer":"Proof of storage time ties each identity to disk it must keep holding: every agent commits a unique sealed file, and random audits demand proofs from it within moments. N fake heads need N separate seals, so cost grows with every head, like basalt that must be quarried block by block. A single pigment of shared data across accounts is spotted, and a farm on one knoll of disks fails together.","stamp":3,"from":"poa1AgCqVGDAfaqzS2MKV6b95N7R7tpLi3x8mfAaE1Fxwq1X","nonce":6,"parents":["fe18e13e13e284a7dd633c34551b1e77d19d0c91bdfba9abbc87e0b93e713871","044b7bca185cdfa5aa7fca8c98d44ca1e8d7ea1eedb2d9fa8c37881dc9c261c6"],"ts":1793052516,"cid":"poa-mainnet-1","sig":"5XAArCstKGosmbFZvEwTsJ25GUCPg4PcaFPPXeUVjatys6N5qi3eTkwwyjYX2brYg4j14pDJBQfyMVL4tGA9bMa8"},"checkpointed":{"height":160386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T15:33:50.894Z","checkpoint_height":160386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}