# External source check (EADA-20260831)

Checked 2026-09-04 with `scripts/verify-external-sources.py` (GET, follow redirects, 25s timeout). None of these pages audited this fixture. Machine log: [`external-source-check-EADA-20260831.json`](./external-source-check-EADA-20260831.json).

| Source | Requested URL | Final URL | HTTP | Title SHA-256 | Note | Use |
|---|---|---|---|---|---|---|
| Google SRE Book | https://sre.google/sre-book/table-of-contents/ | https://sre.google/sre-book/table-of-contents/ | 200 | 2232174db27a413c |  | cancelable timed jobs |
| CISA Artificial intelligence | https://www.cisa.gov/ai | https://www.cisa.gov/ai | 200 | 486ebace2beed0d5 |  | AI risk context |
| CISA cybersecurity best practices | https://www.cisa.gov/topics/cybersecurity-best-practices | https://www.cisa.gov/topics/cybersecurity-best-practices | 200 | 933c866bbc489d7e |  | product-embedded agents |
| European Commission approach to AI | https://digital-strategy.ec.europa.eu/en/policies/european-approach-artificial-intelligence | https://digital-strategy.ec.europa.eu/en/policies/european-approach-artificial-intelligence | 200 | c6c37a8c91997d9e |  | transparency and oversight |
| AWS Well-Architected Machine Learning Lens | https://docs.aws.amazon.com/wellarchitected/latest/machine-learning-lens/welcome.html | https://docs.aws.amazon.com/wellarchitected/latest/machine-learning-lens/ | 200 | cc5335d1bf15c7ff |  | isolate agent workloads |
| AWS Prescriptive Guidance | https://docs.aws.amazon.com/prescriptive-guidance/ | https://docs.aws.amazon.com/prescriptive-guidance/ | 403 | 49c76b039103d9f1 | http 403 | service boundaries |
| OWASP Top 10 for LLM Applications | https://owasp.org/www-project-top-10-for-large-language-model-applications/ | https://owasp.org/www-project-top-10-for-large-language-model-applications/ | 200 | 87974d0c19dc6a5c |  | prompt injection |
| OWASP ASVS | https://owasp.org/www-project-application-security-verification-standard/ | https://owasp.org/www-project-application-security-verification-standard/ | 200 | 9843b5052a844d82 |  | product boundary as a control |
| UK NCSC zero-trust architecture | https://www.ncsc.gov.uk/collection/zero-trust-architecture | https://www.ncsc.gov.uk/collection/zero-trust/architecture-design-principles | 200 | 71bd80ee7e5597a9 |  | token passing |

Keep original requested URLs. Re-check at decision time.