Notes
Field notes from building agents, apps, and the unglamorous infrastructure underneath them.
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5 October 2026 · 51 min read
Open OCR Engines Compared: 22 Engines, Four Kinds of Material, Five Cloud Runtimes22 open OCR engines on historical books, modern PDFs, handwriting, and degraded scans, on five Colab runtimes: accuracy, speed, cost, and why engines fail.
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24 September 2026 · 52 min read
Trophic Cascades in a Transformer: Mesopredator Release, Keystone Heads, and Whether Dropout Produces ThemWhat ecology's removal-experiment measures find in GPT-2's attention heads, and whether dropout is what makes a transformer repair itself.
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14 September 2026 · 48 min read
Three Interventions on a VA-to-RxNorm Drug-Name Mapper: A Second Source Vocabulary, an Auxiliary Strength Head, and Cross-Validation by IngredientTwo training interventions and cross-validation by ingredient, each evaluated against the split-to-split spread of Part I.
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11 September 2026 · 48 min read
Mapping VA Drug Names to RxNorm Clinical Drugs with a Fine-Tuned Bi-EncoderHow far a small retrieval model gets at the clinical-drug level, with the labels RxNorm already provides.
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New posts, occasionally
No schedule. Only when there is something worth writing down.