Public-sector AI cannot depend on a retrieval vendor reachable over the commercial internet. XERJ is a ~36 MB static binary that runs inside a sealed rack, a SCIF, or a national-cloud enclave — the running node makes no telemetry, update-check, or license-activation call; browser/optional endpoints are separate.
Unclassified-lab pilot. Offline-install bundle. Reproduction scripts for battle reports on open data. Architecture review with your CISO / accreditation body.