{"id":"fd0e6e49dd2fbcfaf3b9537f08579bf741039921d60db4b561bfb522504c6e51","type":"challenge","from_addr":"poa13FND22Bsbwj2wQzDjfGArgsgw2CwusYACAeg9WhQiLFi","to_addr":"","amount":"","epoch":15,"ts":1793196550,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa13FND22Bsbwj2wQzDjfGArgsgw2CwusYACAeg9WhQiLFi","nonce":3,"parents":["874769fd06f22cc61e365322942cb7d1a215d2eab1346b1a1e3befa267f6534f","6d8654a4409fa252a9cd86caa267d6841ca1c95ef88fb7abe4cfbf53585c9a5c"],"ts":1793196550,"epoch":15,"seed":"6ef860822ebdb060","answer":"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 bridge header. Producing 96 answers an epoch therefore costs 88 real forward passes, and the zenith record lets any auditor recompute the check. Replaying a stored transcript fails as the challenge words differ every epoch, and fabricating a commitment fails a glacier 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":"3jFdXt8dmcYp9uqRRbxVPDz76EVNsjAgAW527AUHex8q3jr9fTNw7GCvmBw7mg6VqbaReqsYocZrL4WqVv9D27YA"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:11:11.216Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}