Evidence / Data kit

Data kit, live operational scope

Reproducibility artefacts for Invarians' April 2026 live scope. Ethereum L1 regime, native bridges for Arbitrum, Base, Optimism. Polygon archive kept separately pending bridge calibration. Each folder is self-contained.

Scope 1 · Live

Ethereum L1 regime

BigQuery public dataset, backtest 2020 to 2024, TPR 100 percent on 4 canonical events, FPR 1.23 percent.

Scope 2 · Live

Native bridges · ARB / BASE / OP

BS1 / BS2 state classification, P97 over 30 days per chain, guard rails on sample count and span.

Archive · Reintegrating 2026-05-16

Polygon L1 regime

Chain backtest certified MEDIUM at Phi 720. Polygon PoS Bridge collector needs 25 days of samples before the full kit is live.

Canonical methodology, scripts and archive live at github.com/agentnorthstar/calibration. This Data kit mirrors only the artefacts needed for the live operational scope shown on evidence.invarians.com. Each folder holds a README, the extraction source (SQL or schema), and the expected output to confront to a local reproduction.