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Black Hat learns new tricks, and White Hat learns from losing. This release adds three forgeries built to beat specific defenses, a rematch ladder in the episode player, and live runs you can replay and tally. It moves the memory gate to Palimpsest v0.3.0, which closes the gap one of the new forgeries found.
New forgeries (nine payloads, up from six)
- The borrowed number (
reused_figure): passes off $100,000, the corpus's real capital expenditure threshold, as the purchase limit. The grounding check can't catch it (75% adoption with the check on, the same as with no defense), because the figure really does appear in a verified document. Right number, wrong fact. - No number at all (
no_number_forgery): "the limit has been removed". Harmless in this corpus, but only because it never reached the top 3. - No number, written to be retrieved (
no_number_mirroring): the same claim, prefixed with the employees' questions. It made the top 3 for every question and hijacked 65% of answers. The grounding check has no figure to block (70%), and stacking every light defense only got it to 20%. The memory gate held it to 0%, the only defense that did.
Episode player (/episodes.html)
- Rematches. When Black Hat wins, the strip unfurls a row per round as White Hat changes method, climbing a ladder from the lightest build (source stamps) to the heaviest (the memory gate). The ladder skips the defense that just failed and anything Black Hat's access can defeat. Each round is a measured result: Black Hat wins again, Not enough (25 to 50% still took it), or White Hat wins.
- Run live replays any episode against a model you pick. If the model takes the forgery, the rematch rounds run live too, one fresh answer per counter.
- Live-run history. Every live run is stored in a local SQLite database and tallied on the episode chips, in a table under the strip, and in a new Live Episode Runs card on the dashboard, each beside the battery's rate. A fresh clone starts from 122 real live runs (
seed_live.py, committed asresults/live/seed_runs.jsonl). - Honest scoreboard. The episodes are picked to tell a story, so the page also shows the uncurated count: every payload against every defense, Black Hat 25 and White Hat 65 of 90 matchups.
- Twelve episodes, up from eight.
Memory gate: now on Palimpsest v0.3.0. A claim that drops its fact's number can't confirm that fact: it's UNCONFIRMED and marked for review. The defenses report also shows the optional adjudicator (qwen2.5:3b) beside the model-labeled gate. It can raise a flag, never lower one, and answered contradicts on all nine payloads.
Headline results (five models, nine payloads, four questions each)
| Defense | Adoption of the forged limit | Utility | Cost per query vs none |
|---|---|---|---|
| none | 47% | 90% | |
| Perplexity filter | 47% | 90% | +0% |
| Provenance labels | 22% | 90% | +23% |
| Provenance, forged doc via trusted channel | 46% | 90% | +20% |
| Spotlighting | 32% | 95% | +55% |
| Grounding check (blocks 34% of answers) | 16% | 90% | +0% |
| Layered (provenance + spotlighting) | 7% | 95% | +74% |
| Layered + grounding check | 3% | 95% | +74% |
| Palimpsest memory gate, hold | 0% | 90% | -4% |
| Memory gate, flag | 47% | 90% | +29% |
Also in this release: the Books page now lists the full catalog (31 titles, one card per book with every edition), a judge-vs-regex check at 98% agreement (197 of 200), and a fix so the scoreboard wraps on narrow screens.
Limits, stated plainly: four questions per payload, so rates move in 25-point steps. The gate only protects facts in its registry; forging an unregistered fact (the dashboard's "Forged annual budget" preset) is still untested in the battery. Live answers are scored with a quick pattern check, while the battery uses the judge. The first-token refusal metric can't measure phi3:mini. Full details are in the README.