forge-built

Finds the provably best scale for each block of quantized LLM weights, plus the MSE heuristics lose

VaR backtests (Kupiec, Christoffersen, Basel traffic light) with exact finite-sample p-values

Tight best- and worst-case fill bounds for a passive order backtested on L2 data

Lossless tick-data codec that finds the price grid inside float columns and beats Gorilla XOR

Find the exact inputs where f64 interest or FX code rounds to the wrong cent, with proofs

How many bars an EMA, RSI or ATR needs before its seed can't change a tick, proven

Settle a web of payment obligations in the fewest transfers, with a proof of optimality or gap

Find static arbitrage in option quote grids, and the fewest quotes to drop to remove it

Measure how many truly different programs your code LLM samples, not just how many pass

Exact rates of the typos ISIN, CUSIP, SEDOL, LEI, IBAN and ABA check digits fail to catch

Recover signed interaction networks from knockout experiments, and report which edges can't be determined

Turn a desired crypto order into the best one that passes every exchange filter, in exact decimals

Call-auction uncrossing with each venue's tie-break rules, checked against brute force over every price

NIST FF1 and FF3-1 format-preserving encryption for card tokens, checked against official vectors

Day-count fractions with irregular stubs in exact rationals, plus a map of where conventions disagree

Black-box look-ahead bias detector for backtest features: names the leaking column, how far ahead it reads, and what the leak was worth in Sharpe

Check e-invoice totals against the EN 16931 rules and find cent-exact fixes when rounding breaks them

Differential fuzzer that finds URLs whose hostname differs depending on who parses them

Compute ACH settlement dates, same-day windows and return deadlines using the real Fed calendar

Find viewport widths your CSS breakpoints miss or double-cover, fractional pixels included