Notes from the engine room

Articles about document intelligence, retrieval at scale, and what we learned building Doxwell on 21,702 real documents.

All Why RAG fails RIGOR Docortex

May 19, 2026 Docortex 9 min read

Docortex: An air-gap document engine

Doxwell is the product. Docortex is the engine inside it. Same code, two surfaces.

The five-layer architecture inside Doxwell. Ingestion, vectors, entity-fact graph, temporal supersession, MCP surface. Why we built air-gap-first and agent-native.

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