<?xml version="1.0" encoding="UTF-8"?>
<!-- Static sitemap (go-live 2026-08-01): fixed routes, maintained by hand —
     add a line when a new page/archive year ships. /2023 removed 2026-09-06:
     it 301s to /past-hackathons#2023 now (server.ts RETIRED_ROUTES). /faq
     removed 2026-10-04: hidden at Helene's request (app.ts HIDDEN_PAGES).
     /hackathons-2027 and /hugo-fellows added with the 2027 design (November 2026).
     /apply-here removed 2026-11-10: offline for now — restore the line when
     APPLY_PAGE_LIVE (content/en/publish-switches.ts) goes back to true.
     /agenda-2024 and /participants-2024 removed 2026-11-10: retired at Helene's
     request, they 301 to /past-hackathons#2024. -->
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  <url><loc>https://undiagnosedhackathon.org/information</loc></url>
  <url><loc>https://undiagnosedhackathon.org/past-hackathons</loc></url>
  <url><loc>https://undiagnosedhackathon.org/hugo-fellows</loc></url>
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