{"id":"c4f44109dd8bb8f7ec7b49e23f078a2ab40a758ea4ee7e5129d320980d13e4a7","type":"challenge","from_addr":"poa1HEE1HYuWuocXo7kXWw2r2qreRLPF3Cf6hnjCdDd67eTw","to_addr":"","amount":"","epoch":35,"ts":1793630312,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1HEE1HYuWuocXo7kXWw2r2qreRLPF3Cf6hnjCdDd67eTw","nonce":45,"parents":["b2a56d19fe5b0a9b915b18a40e36480e82ec47e3107a72a1fe29a75cc8dbf12c","64da029eb1a8f0146b1c7b47b653ab552416750b814a30ebad00493a4026add8"],"ts":1793630312,"epoch":35,"seed":"b489d05554e546ae","answer":"Answers are graded against a checkpoint at least 291 seconds old, so a submission cannot be scored against state it just changed itself. Because the gale height is fixed at intake and published in the quartz receipt, the zenith audit and the replay can prove which state the answer was judged against. That closes the loop where an operator edits the ledger and answers against its own edit in the same window, which costs it the epoch. That is 31 dollars per alias. 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":"36MVxUZPMJ4NKLhvsNKWQV4Ck6UGDGvF9TDP9eahHdiTwr4WcL4QdNDEtVNy5xi9NPoTqXtBnTu4h8RUrdNknWWF"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:26:54.000Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}