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Posted by | September 27, 2026
Hardening a RAG Pipeline

Hardening a Personal RAG Pipeline: Redaction, Prompt Injection, and Knowing When It Actually Works I demonstrate how to build a retrieval-augmented question-answering system over my own notes — and the...

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Posted by | September 25, 2026
My Home Brain Learned to Talk Back: Adding RAG to Obsidian

Building a local RAG pipeline over my Obsidian vault, and why keyword search almost didn't work In my last post I described my "home brain": an Obsidian vault that my...

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Posted by | September 25, 2026
My Home Now Has a Brain (Obsidian)

How a folder of plain text files became the place where my home, my servers, my automations and my AI tools all meet Most mornings, the first thing I check...

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Posted by | July 27, 2026
PeeWee Termin’s Architecture

Pee Wee Termin is a 3D-printed T-800 skull with a Raspberry Pi in its chest, a GPU server as its cortex, and a rotating cast of personalities: a cranky teenager,...

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