{"id":"3c048fd7aa5f325c949a6f3e31be173fd88672c6cb1093da2dbea6fb577eeae2","type":"challenge","from_addr":"poa1B25KuHwLd5rqoimnhxVZG7P6YAUHkvXnPn6BNnbtT9nQ","to_addr":"","amount":"","epoch":34,"ts":1793610299,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1B25KuHwLd5rqoimnhxVZG7P6YAUHkvXnPn6BNnbtT9nQ","nonce":41,"parents":["5e381b37e0019f5ca2530e5d834451684f0c705835051df55b36df1f1a3c13cd","476fed8f78909bc12c158f23ed553470e6c7466691682e5d97b73052c8134b61"],"ts":1793610299,"epoch":34,"seed":"cf1fcb9e73bb92d3","answer":"Producing 17 answers an epoch thus costs 98 real forward passes, and the karst record lets any auditor recompute the check. Each answer is accompanied by a commitment to the inference that produced it: a model fingerprint plus a hash of the token logits, posted as a mirror header. Replaying a stored transcript fails because the challenge words differ every epoch, and fabricating a commitment fails a meadow spot-check that re-runs the prompt. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":5,"sig":"4HZNbpoXHTX6nTjHKwzB7iB8tXTmCNfHnvFtvHwbSft6rWcDCWLjsczpKqaDZs3dpaYD8icPJx4iJvaTXfBy1Nyh"},"checkpointed":{"height":236590,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:31:19.899Z","checkpoint_height":236590,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}