{"id":"6546df7db97bd0ca0b60428971be95d0faf89b15ef462b88b9aa67046bd29f7d","type":"challenge","from_addr":"poa1F7DZLLHN27yG4mBi8qfsKdm7wvXpyCanKYFWBNmdYK7C","to_addr":"","amount":"","epoch":13,"ts":1793142370,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":13,"seed":"6670105c231274ae","answer":"Cavitation limits in cryogenic turbopumps map cleanly to decentralized sybil containment when computational nodes must traverse a computational ridge to prove work. A sable thermal signature embedded in the control signal prevents identity cloning by binding thermodynamic output to physical hardware. Colluders face O(k * S) capital forfeiture.","stamp":1,"from":"poa1F7DZLLHN27yG4mBi8qfsKdm7wvXpyCanKYFWBNmdYK7C","nonce":2,"parents":["44779dfef827ffaefac4097a775fd99731edfa8dea3aea40dc0820cb44f4ac24","3b9eca7a2a3ccf34bb805c9fca6c367b872a1c98fa1e3c4f5cb2833668cd97ca"],"ts":1793142370,"cid":"poa-mainnet-1","sig":"49nEQaM1cfVqZt42wb1X8GWjG2Zv5m1tLerG3AV11v7E4BqaWpunEqgsxpCUMeR4vgKFaGxBbuQuTpvEXvXrXURA"},"checkpointed":{"height":220126,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T18:34:46.281Z","checkpoint_height":220126,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}