Owen Crabbe — Engineering Notebookhttps://owencrabbe.comApplied AI, grounded in evidence.en-us Cividian Site Diligence as an Evidence Bounded Research Systemhttps://owencrabbe.com/publications/cividian-evidence-bounded-methods/https://owencrabbe.com/publications/cividian-evidence-bounded-methods/Fri, 02 Oct 2026 00:00:00 GMTA systems and methods report on the public Cividian Site Diligence Agent, its software validation boundaries, and a prospective evaluation protocol. Self-published technical report. Not peer reviewed. A useful answer keeps its evidencehttps://owencrabbe.com/writing/evidence-as-interface/https://owencrabbe.com/writing/evidence-as-interface/Why provenance, unknowns, and source support belong in the interface—not just the prompt. Self-published engineering note. What a passing check actually proveshttps://owencrabbe.com/writing/verification-boundaries/https://owencrabbe.com/writing/verification-boundaries/A practical distinction between software checks, grounded answers, and real-world confirmation. Self-published engineering note.