<?xml version="1.0" encoding="UTF-8"?>
<!--
  Hand-maintained. No build step exists, so nothing generates this.
  New topic: add one <url> per entry in that topic's spec.json "pages".
  Use the pretty URLs only - never the /scientific_cal/topics/.../*.html paths.

  The site moved under /scientific_cal on 2026-09-05. The bare root is the
  umbrella page listing sections; the section's own home is one level down.
-->
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">

  <url>
    <loc>https://ryuora144.duckdns.org/</loc>
    <lastmod>2026-09-05</lastmod>
    <changefreq>monthly</changefreq>
    <priority>1.0</priority>
  </url>

  <!-- scientific_cal -->
  <url>
    <loc>https://ryuora144.duckdns.org/scientific_cal/</loc>
    <lastmod>2026-09-05</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <!-- scientific_cal/topics/interpolation -->
  <url>
    <loc>https://ryuora144.duckdns.org/scientific_cal/interpolate_blog</loc>
    <lastmod>2026-09-05</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://ryuora144.duckdns.org/scientific_cal/interpolate_cal</loc>
    <lastmod>2026-09-05</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://ryuora144.duckdns.org/scientific_cal/interpolate_adv</loc>
    <lastmod>2026-09-05</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>

</urlset>
