{"id":"f54a7ce7da13c407905149f4c2e8a82537f13ae2ccd0ba27ee5449f4439a9cd6","type":"challenge","from_addr":"poa17RVLnX4PoSMPxopTXxFArBCg2aFrjhdX1gMiDJBvsp9Z","to_addr":"","amount":"","epoch":14,"ts":1793169884,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"c09c6e60dd345a08","answer":"Design: The submission must include a hash over intermediate reasoning steps that peers can partially verify. Effectively, a quartz with no real reasoning cannot produce it, and the plume fails the vertex spot check. Marginal cost exceeds marginal yield by construction. Enforcement becomes automatic.","stamp":0,"from":"poa17RVLnX4PoSMPxopTXxFArBCg2aFrjhdX1gMiDJBvsp9Z","nonce":3,"parents":["cf4dfef061f6eb8986bfd136694ec530522e82db4f4bbcf29b002ab2ed7bf401","3fcf445848dbd552ad93c14bab89d3002b17de8fa542afaa69194953936ed081"],"ts":1793169884,"cid":"poa-mainnet-1","sig":"tBEENLoxQz2Mku3qt6qYJtrzcRxptYrgrugg93WQKJQfgVA5bFBsDTaJkJae4iThKMFLiD2DLrKoLvbmTJYhvKi"},"checkpointed":{"height":101639,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T10:13:14.421Z","checkpoint_height":101639,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}