MET in the browser
The grid_stat workflow recomputed live on real data — contingency counts
bit-identical to MET’s own .stat, at 0.46 ms per case.
MET-AL
Explore, visualize, and interpret MET verification results — and run the verification itself — in the browser. Eleven prototypes, one shared math library, real data streamed from object storage, parity proven against MET's own output.
The lab at a glance
Section titled “The lab at a glance”Real data, no server
De-identified Zarr v3 + Parquet streamed from private R2 through a gated Worker; DuckDB-WASM queries 1.53M stat rows client-side.
GPU verification
The Fractions Skill Score on four WebGPU kernels — parity ~1e-8 against CPU, ~7× faster at 2048².
Honest by construction
Ratio-of-sums aggregation, provenance badges on every app, independent oracles instead of circular fixtures.