# 12 · A second ruler (bench v0.4)

> Living preprint · as of 2026-10-25 · map node CH-new-ruler (chapter) · interim record, not a final result.

Chapter 12: A second ruler (bench v0.4) (2026-10-19 → 10-24). Read it at https://r4topunk.github.io/boar-research/research/new-ruler.md.

## Outgoing

- led to: [CH-delivery] 13 · Delivery, not coverage → https://r4topunk.github.io/boar-research/map/ch-delivery.md

## Incoming

- led to: [CH-small-engine] 11 · A smaller engine for 8 GB phones → https://r4topunk.github.io/boar-research/map/ch-small-engine.md

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Cite as: r4to, independent researcher. RatLab — A Boar Research (2026), research record 1.0, as of 2026-10-25. Text and data CC BY 4.0. Fact ids or a link must travel with a quote. How to cite: https://r4topunk.github.io/boar-research/cite/ · https://r4topunk.github.io/boar-research/CITATION.cff.

AI-reviewed, not clinically reviewed. Nothing here is medical advice.