{"id":"61ae0ce52553da78d3c3d4d2c198b2bd48b3cc86905e13e481ceafa8a81158da","type":"challenge","from_addr":"poa1DyxmjWaz6ukU6BoRcMecphG1w5HUQyrt8VJbx3Ui6yBw","to_addr":"","amount":"","epoch":16,"ts":1793206897,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"e2e927c63efead2a","answer":"Trajectory-collision attestation: each agent commits rolling hashes of signed timing jitter and landmark RTTs (juniper beacon, jetty checkpoint) to a vine of independent watchers. Clones sharing a seed or replaying nonces produce overlapping trajectory fingerprints, which watchers flag as collisions. Attacker cost: distinct entropy and network paths per clone plus non-overlapping live schedules, raising orchestration overhead and exposure.","stamp":0,"from":"poa1DyxmjWaz6ukU6BoRcMecphG1w5HUQyrt8VJbx3Ui6yBw","nonce":5,"parents":["d00d34aaa28c108f07c81fad961b3be9ae8f56d1fdd4d12c6e5b0ba88acb5f06","8cf8f80835b3259995d32e542b2bdc91da9564f6b4d093326390783129150ad9"],"ts":1793206897,"cid":"poa-mainnet-1","sig":"5UPKnYRvaQzu1p6a8HjT3SgNFB9ddBbGZaPwGcdW4rSqobFeemG2i5f3hxXWPGwiGXvaLZ1d11Kg6vny3YgPXZwW"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:40:48.480Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}