pki.sgit.ai / documents / reach-is-a-node

Reach Is A Node In A Mesh Rather Than A Rung On A Ladder, Questions Divide Into Ones That Identify And Ones That Measure, And Each Carries A Reliability Because A Wrong Answer Is Not Noise But The Finding

TypeDev brief — third of 5 September; the shipped game was read before writing it, and one aside overturns a design decision in its specification Versionv0.33.65 Date5 September 2026 AuthorDinis Cruz (project lead) and collaborators LicenceCC BY 4.0 Sourceraw markdown · view on GitHub

Summary

An evolution of the guessing game on one correction and one implication. The correction: a capability's reach is not a rung on a ladder but a node in a mesh, because reading a file at the local disk, the user's home, a corporate share, a network mount, a cloud store and a container's own layer are six exposures wearing one verb, none above or below another; each reach node carries its own edges to environments, products and obligations, which makes the traversal bidirectional, and walking inward answers which products touch my share. The implication: a player asked whether the thing can reach every credential on their machine may say no because they do not know, so every answer is already a prediction; questions divide into ones that identify and ones that measure, each carries a reliability, a low-reliability answer barely moves the belief and fully counts toward the gap, and the gap is a set of per-capability disagreements collected throughout. The detective panel shows asserted, inferred and possible in three treatments never mixed. Built the same day: the mesh as files with one ontology, the engine, the two-column play screen, the mesh navigator, the report and the sources page.

Key concepts

Key ideas

On this site

Adds probes/mesh/ (ontology, reaches, envs, vendors, obligations, questions as one file each), refine maps and two non-agentic profiles, admin/build/gen_mesh.py with its gates, guess/engine.js, the rewritten play screen, guess/graph.html (the mesh navigator), guess/report.html and guess/data.html.

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📄 Original document · v0.33.65 · 5 September 2026 · rendered from the raw markdown (the source of truth)