---
title: "Machine-readable evidence"
description: "Evidence a machine can query, diff and aggregate (OSCAL artefacts, structured eval results, signed logs), as opposed to screenshots and exported spreadsheets."
canonical: https://aigovernanceengineer.com/glossary/machine-readable-evidence
author: "Jorge García Aibar"
license: "CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)"
doi: https://doi.org/10.5281/zenodo.22956197
version: "0.5.0"
updated: 2026-09-24
---

# Machine-readable evidence

Evidence a machine can query, diff and aggregate (OSCAL artefacts, structured eval results, signed logs), as opposed to screenshots and exported spreadsheets.

- Developed in: [ch. 05, Pattern: Machine-Readable Evidence (OSCAL)](https://aigovernanceengineer.com/bok/patterns#pattern-machine-readable-evidence-oscal)
- Chapters: [ch. 03, Values & Principles](https://aigovernanceengineer.com/bok/values-and-principles) · [ch. 04, The Stack](https://aigovernanceengineer.com/bok/the-stack) · [ch. 05, Patterns](https://aigovernanceengineer.com/bok/patterns)
- In the glossary chapter: https://aigovernanceengineer.com/bok/glossary#t-machine-readable-evidence

## Sources

Defined by this Body of Knowledge: the section it is developed in is the source.