, Notes
Writing from the work, not around it.
Engineering notes, opinions and post-mortems. We publish when we have something specific to say, which means irregularly and in longer form than is fashionable.
1 August 2026
4 min read
What we mean by applied AI
A short statement of what Rudvanth is for, what we are deliberately not going to do, and the trade-offs we are accepting on purpose. Written at the start so it can be held against us later.
companystrategy
Read the note28 July 2026
5 min read
Evaluation is the product
Every AI system we have inherited had the same defect: nobody could say whether it was working. Here is why we now build the measurement layer before the feature, and what it costs to do it in the other order.
evaluationengineeringmethod
Read the note14 July 2026
5 min read
Retrieval a compliance officer can sign off on
Enterprise RAG systems mostly fail at retrieval, not generation, and the reasons are structural. Notes on chunking that respects meaning, permissioned search, and why the citation is the product.
retrievalRAGenterprise
Read the note