{"body":{"k":7,"n":432,"hi":5.79,"lo":-2.31,"lab":"OPSIN","base":{"model":"claude-haiku-5-5","thinking":"off"},"cost":{"hi":1.201,"lo":1.146,"ratio":1.174},"part":{"kind":"line","text":"Keep every intermediate number to at least six significant figures."},"role":"part","rule":2,"seed":"drand:6623595:47ba82115eb1b3dcce0f49ae77f46f0c34ac9d8eaed5070cd4404fa85734d2d4","cycle":70,"label":"Six significant figures","level":0.992857,"raw95":{"hi":4.63,"lo":-1.27,"verdict":"INERT"},"suite":{"id":"markets-maths","version":"tasks-1","exactMeans":"the final number is right to the cent (to the whole share for position sizes, to a hundredth of a point for percentages)"},"effect":1.74,"safety":null,"verdict":"UNRESOLVED","confirms":null,"proposal":308,"baseExact":0.8669,"costBasis":"list","stoppedAt":null,"vsPlacebo":{"n":432,"hi":5.32,"lo":-1.16,"effect":2.08},"discordant":0.1829,"preregHash":"3139fb803cca223cf488bccc9ae65c0f6c334891396c0f7eebcd285ccc4d5b2d","beaconRound":6623595,"provisional":false,"stoppedEarly":false,"controlsTripped":false},"digest":"3dcdbc5639714f99c36e3b1c8396b7329c0d03254fca332905ffc69b3d53bfe2","signer":"0xFf8E1E8ebF21064Ef781B75CdC8DFbd969399EbD","signature":"0xa01c66280158060a31453eec5d14880c27f4d83ac7497effcc0ce85e5e11c8af448659f58adf6e22df063f079df2f3c7002f60fd31945efa31eb63033202630c1b","labAddress":"0xFf8E1E8ebF21064Ef781B75CdC8DFbd969399EbD","verify":"canonical JSON of body (keys sorted at every depth) → sha256 hex = digest; personal_sign(digest) recovers to labAddress"}