- DOE official article: https://www.energy.gov/ne/articles/office-nuclear-energy-celebrates-fifth-advanced-reactor-criticality
- Oklo official release (direct; terminal 403 expected): https://oklo.com/newsroom/news-details/2026/Oklos-Groves-Reactor-Achieves-First-Criticality-in-Under-a-Year/default.aspx
- Oklo official release via reader fallback: https://r.jina.ai/http://https://oklo.com/newsroom/news-details/2026/Oklos-Groves-Reactor-Achieves-First-Criticality-in-Under-a-Year/default.aspx
- ANS Nuclear Newswire: https://www.ans.org/news/2026-08-06/article-8277/oklos-isotope-test-reactor-achieves-criticality/
- World Nuclear News: https://world-nuclear-news.org/articles/us-test-reactors-achieve-milestones