https://gaige.dev/feed.xmlgaigenew pages and updated guides from gaige.dev, the instrument you check other instruments against2026-08-12T00:00:00Zgaigehttps://gaige.dev/observatory/drift observatory: the committed receipts, rendered live2026-08-04T00:00:00Zevery committed receipt on one static page, rebuilt nightly as a pure function of the export directory: aggregates beside the slices they hide, refusals rendered as refusals, zero javascript.https://gaige.dev/refusals.htmlrefusals: the honest no, collected2026-08-17T00:00:00Zevery refusal gaige ships, collected: the conformal floor, the memory floor, the quantization gate, admission floors, the absence rule, and why refusing is never priced.https://gaige.dev/receipt-anatomy.htmlreceipt anatomy: the reference receipt, read line by line2026-08-04T00:00:00Zevery field of a gaige receipt explained from the committed reference record: corpus, instrument, result, thresholds, refusal, fingerprint, and the command that reproduces it.https://gaige.dev/false-positives.htmlfalse positives: the arithmetic of a wrong flag2026-08-07T00:00:00Zfalse-positive rates, base rates, and the arithmetic that decides how many flags land on humans. cited and committed numbers, worked in the open; measurements, not advice.https://gaige.dev/corpus.htmlcorpus: the pile every number stands on2026-08-07T00:00:00Zwhat a detection corpus is, how to build one you can vouch for, how to keep it yours, and why the same detector reads 86.0% on one pile and 61.5% on another. ground-up track step 1.https://gaige.dev/why-gaige.htmlwhy gaige: a $1.8M lesson in unmeasured AI2026-08-04T00:00:00Za reported $1.8M overrun on a menial AI task, undetected for months: a case study in the failure class calibrated pilots and drift gates exist to catch.https://gaige.dev/instrument.htmlthe instrument: ai metrology in practice2026-08-12T00:00:00Zwhat the gaige instrument is and commits to: calibration before trust, error bars on every number, refusals where the data cannot support the ask, and the reproduce command that makes every receipt checkable.https://gaige.dev/ai-marking-dates.htmlwhat changed on august 2, and what did not2026-08-03T00:00:00Zthe eu ai act article 50 marking obligations and california ab 853, read against the primary sources: a maintained date table and what detectable and reliable look like as evidence. not legal advice.https://gaige.dev/thresholds.htmlthresholds, worked2026-08-07T00:00:00Zempirical versus conformal thresholds, what each one promises, and the base-rate arithmetic that decides how many of your flags are wrong. worked from committed receipts.https://gaige.dev/drift.htmldrift practice2026-08-17T00:00:00Zinstrument drift monitoring with registered run series, replicate-measured variance bounds, and per-interval conformal alarms that stay quiet when movement is only noise.https://gaige.dev/fast-detectgpt.htmlfast-detectgpt in practice2026-08-04T00:00:00Zfast-detectgpt in practice: what the curvature criterion measures, how to run it through gaige on your own corpus, and what the committed receipts show, error bars included.https://gaige.dev/binoculars.htmlbinoculars in practice2026-08-04T00:00:00Zbinoculars in practice: how the observer and performer perplexity ratio works, how to run it through gaige, and what the committed receipt shows next to the independent out-of-domain numbers.