Multi-provider AI model router with 6 routing strategies, sovereign profile support, and cost ceiling enforcement

AI-assisted modernization of C#/.NET mission-planning software with behavioral-equivalence proof and continuous-ATO artifacts. U.S. Navy SBIR DON26BZ01-NV013 reference implementation. Runnable offline (no API keys); synthetic, unclassified surrogate; results preliminary, not government-validated.

Retrospective RTK-GNSS positioning error analysis during the May 10-12, 2024 Gannon G5 superstorm. NGS CORS data across Iowa, Illinois, Indiana, Ohio; correlated with NOAA SWPC indices.

Sanitized reproducibility artifacts for ASEMA secure messaging application assessment feasibility evidence

4-level guardrail middleware (none/log/pause/block) for AI agent tools with human-in-the-loop approval workflow

Tamper-evident audit trail with SHA-256 hash chaining, Ed25519 signatures, and Merkle tree anchoring

Bio-inspired memory for AI agents with logarithmic reinforcement, exponential decay, and composite recall scoring

AegisGraph: graph-based application-layer assessment evidence platform for Secure Messaging Applications (SMAs). DARPA ASEMA HR0011SB20254-12 Tier 3 research. ReproChain CVE-2023-4863 reachability + PolyDiff differential parser fuzzing + claim-state governance + reproducible benchmark surface.

JSON Schema (draft 2020-12) for feature-level provenance in heliophysics fusion systems, with pydantic v2 reference implementation. Open RFC.

HELIOS program meta-repo: public proposal companion, master plan, orchestration scripts, per-artifact design specs

Model-agnostic probabilistic fusion of heterogeneous space-weather model outputs. BMA + isotonic calibration + conformal prediction + severity-stratified validation. Public framework; weights/configs in helios-fusion-internal.

YAML-to-DAG workflow compiler with Kahn's topological sort, cycle detection, and parallel group identification

Production-grade Python adapters for NASA DONKI, CCMC SEP Scoreboards, NOAA SWPC, CDDIS GIMs, GOES, and DSCOVR — normalized to a common schema with feature-level provenance.