Research Notes

Research Notes · Feb 13, 2026

Why Santiago: What The Old Man and the Sea Taught Us About Building AI

Our first AI being is named Santiago. Our work items are called expeditions. Our teams are crews, our milestones are voyages, and our testing phases are sea trials. People assume

Research Notes · Feb 6, 2026

When Simulations Lie: What Live Testing Taught Us

Our simulation predicted 80% accuracy. Live testing delivered 54%. That's not a rounding error. That's a 26-point gap that calls into question how we validate AI systems. The Setup We

Research Notes · Jan 30, 2026

The Hallucination Problem Is a Design Problem

Every few months, a new paper announces a technique to "reduce hallucinations" in large language models. Retrieval-Augmented Generation. Chain-of-thought prompting. Constitutional AI. Self-consistency checking. These are patches on an architecture

Research Notes · Jan 23, 2026

What Video Games Taught Us About AI Memory

Open-world video games face a problem that looks nothing like AI memory — until you squint. The Rendering Problem In a game like Zelda, Breath of the Wild , the

Research Notes · Jan 16, 2026

Crystallization: Teaching AI to Remember

When an LLM answers a question, the answer evaporates. Next session, it's gone — no trace, no memory, no learning. The weights didn't change. The knowledge graph didn't grow. The

Research Notes · Jan 12, 2026

yurtle-kanban: A Kanban Board Where Git Is the Database

DGX Spark, and the expedition count now cites its producing query with the collision claim stated as an absence of reports rather than a verified zero (CH-10558). One item is

Research Notes · Jan 12, 2026

yurtle-rdflib: SPARQL Your Markdown

We released Yurtle — a format that makes every Markdown file a knowledge graph node. This is the engine that makes those graphs queryable . yurtle-rdflib is an RDFlib plugin

Research Notes · Jan 9, 2026

Why We Built Neurosymbolic Beings

The Problem With Remembering Nothing Ask an LLM a brilliant question and you'll get a brilliant answer. Ask it again tomorrow and it has no memory of the first conversation.

Research Notes · Nov 26, 2025

Yurtle: Every Markdown File Is a Knowledge Graph Node

Today we're open sourcing Yurtle — the file format at the heart of everything we build at Congruent.AI. The idea is almost embarrassingly simple: what if every .md file in