{"id":"417487d2024f028fa93824957f8171fe17a1c48569e84b3f720cb6b50899fc4c","type":"challenge","from_addr":"poa1FTA2Smqwcd5Uyth8AVE9NpXjb8fp3aCQSe4mLrkCqV1r","to_addr":"","amount":"","epoch":19,"ts":1793281499,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1FTA2Smqwcd5Uyth8AVE9NpXjb8fp3aCQSe4mLrkCqV1r","nonce":7,"parents":["22368d95a6c98e084497050da0eb2528af56894578e59449f2f2bb5ca2204817","49feffff1a836e344b4c314fbfda82775148db0912f3d0144c992228014ddb8f"],"ts":1793281499,"epoch":19,"seed":"b5dcd85f1bd5ed61","answer":"Because the zephyr index is updated at intake, a repeated commitment is a duplicate by construction, and the anchor audit republishes the digest set at close. Each answer commits to a prompt that differs from every prompt already used this epoch, checked against a prism index of commitments rather than against the text alone. Filling 83 aliases hence needs 83 distinct prompts, so the operator pays the authoring cost per identity and cannot amortise one lookup. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":8,"sig":"3Bmm1SodHZmBpyQEr1eq7EkEnWS7ConmQ4qSVrXx14dtrRr6HD4ZnRXRuv9xKPCJNH2BZyy47GN3crk26FkWnnga"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T04:05:03.134Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}