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    <lastmod>2026-06-29</lastmod>
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  <!-- Journal — essays -->
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  <!-- Journal — tutorials -->
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    <loc>https://vivienperrelle.com/blog/lactate</loc>
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    <loc>https://vivienperrelle.com/blog/glucose-biosensor</loc>
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    <lastmod>2023-01-01</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.6</priority>
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    <loc>https://vivienperrelle.com/projects/motion-suit</loc>
    <lastmod>2022-01-01</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.6</priority>
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  <!-- Other -->
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    <loc>https://vivienperrelle.com/art</loc>
    <lastmod>2026-06-29</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
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