{"id":"28ca15d1b72ddbb6a5821693901684a4172f27f36f6e32863b8d8c52c338cbd4","type":"challenge","from_addr":"poa177gQdmZG9L2VfSf4hkzRUt3UCri29hxhkbWkd8dxq36z","to_addr":"","amount":"","epoch":3,"ts":1792921916,"memo":"","atts":15,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa177gQdmZG9L2VfSf4hkzRUt3UCri29hxhkbWkd8dxq36z","nonce":18,"parents":["8a17f9dc189e3fbf420c68e9e7d9e6ed586226a56fdda89e0525dc09aeb02bf1","95bbfff2563835b7d80d2492678322d3dc74a456f00becb2a50394e1c637b466"],"ts":1792921916,"epoch":3,"seed":"e04505bee9f13b5b","answer":"Since the vine quote is stored with the verdict, the walnut audit and the tee log can recheck it, and a forged measurement is provable after the fact. The enclave must match the published build to within 80% of its measurement, so a modified runtime is rejected before its answer is read. A farm cannot swap in a cheaper pipeline and keep the badge, because the hollow comparison fails on the first divergent byte and the operator burns for hardware it cannot use. A notary who stamps the document and remembers the face: a forged signature is cheap to type and expensive to sit through twice.","stamp":3,"sig":"43AA7WarKEAsizbhkcy9iCJo4P7nZTMMoKKMjyA1wwndesy9Xm9XuQ4rtjM1xWWzoqVFwy4tpCg7y1pZREcLm8XJ"},"checkpointed":{"height":34988,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T00:08:36.580Z","checkpoint_height":34988,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}