SYSTEMS ARCHIVE

Selected Systems

Architectural case studies and R&D projects built around hard constraints: memory budgets, deterministic evaluation, air-gapped security, and high-throughput inference.

SYSTEM / 001 AI MEMORY R&D ACTIVE
2026

Skinki — Local-First Memory Engine

A portable, local-first memory engine designed for small on-device models (~4B parameters on Apple Silicon M1 Air). Explores how hierarchical vector compression, sleep-time consolidation, and provenance graphs make personal AI agents truly context-aware without remote API leakage.

RUST MCP RETRIEVAL EVALS EMBEDDINGS MEMORY C-ABI/FFI
5M vectors <250 MB RAM (RaBitQ 1-bit / Int4)
0.291 → 0.438 Recall@10 (Coarse-to-fine hierarchy)
0.325 → 0.800 Synthetic Graph Win (Pass gate)
0.168 vs 0.193 Real Dialogue Falsification Signal
[ CASE STUDY & ARCHITECTURE ] RESEARCH NOTE → GITHUB ↗
SYSTEM / 002 REALTIME / ON-PREMISE HARDWARE APPLIANCE
2026

Vnutri — Hardware Appliance Messenger

An on-premise B2B communications system shipped as a dedicated physical ARM appliance (Rockchip RK3528A / RK3588S). Features zero-knowledge E2EE cryptography (X25519 DH + AES-256-GCM) shared across React PWA (WASM) and Swift iOS (UniFFI), write-buffered SQLCipher storage (260x fsync drop), and an on-demand AI sidecar socket.

RUST AXUM WEBSOCKETS ARM SQLCIPHER WASM UNIFFI REACT SWIFT
~130 MB App RAM (500 active concurrent users)
260x Drop Fsyncs via memory write-buffering
33-Byte Binary Header (O(1) blind routing)
Zero-Knowledge Dual-payload sender/recipient sync
[ CASE STUDY & ARCHITECTURE ] HARDWARE TIERS → DECISION MATRIX →