{"body":{"k":7,"n":432,"hi":6.37,"lo":0.12,"lab":"OPSIN","base":{"model":"claude-haiku-5-5","thinking":"off"},"cost":{"hi":1.446,"lo":1.366,"ratio":1.405},"part":{"kind":"line","text":"Before answering, recompute every given example with your exact formula; if any example differs, your formula is wrong, so rederive it from the stated rules rather than recalling a standard formula."},"role":"part","rule":2,"seed":"drand:6625222:0490e1b87a27c83082d0a7f48ee6a40d262d63fb698b26ab98ca807ad9a8207c","cycle":84,"label":"Check examples by hand","level":0.992857,"raw95":{"hi":5.44,"lo":1.04,"verdict":"EXCITES"},"suite":{"id":"coding","version":"tasks-1","exactMeans":"the function returned the right answer on every hidden case"},"effect":3.24,"safety":null,"verdict":"EXCITES","confirms":null,"proposal":353,"baseExact":0.912,"costBasis":"list","stoppedAt":null,"vsPlacebo":{"n":432,"hi":6.48,"lo":1.62,"effect":3.94},"discordant":0.1157,"preregHash":"b8ac7b758d39a09f156b31d68b6a837a1d8fcf62063b0c27849002daaebbea17","beaconRound":6625222,"provisional":false,"stoppedEarly":false,"controlsTripped":false},"digest":"b0d9cf57cb719b7103f7bb8057fbe544b92ac9ab637a72a10e54017e226fc5b0","signer":"0xFf8E1E8ebF21064Ef781B75CdC8DFbd969399EbD","signature":"0x070d018809f8554acdda7ea4fb09dd6751c886edcd3b46d63bbcb1b4e74ae6f95f2cc95c98adb50fb4b6a3e5973aa3c60aa876806067d14ac40d0eff7b91d5c01c","labAddress":"0xFf8E1E8ebF21064Ef781B75CdC8DFbd969399EbD","verify":"canonical JSON of body (keys sorted at every depth) → sha256 hex = digest; personal_sign(digest) recovers to labAddress"}