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    <lastmod>2026-08-28</lastmod>
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  <!-- Marketing pages (React app at proofbound.com) -->
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    <loc>https://proofbound.com/how-it-works</loc>
    <lastmod>2026-08-28</lastmod>
    <changefreq>monthly</changefreq>
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  <!-- Fortnightly Circular newsletter hub -->
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    <lastmod>2026-07-09</lastmod>
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  <!-- Workshop hub (workshop.proofbound.com via Cloudflare Worker) -->
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  <!-- TextKeep landing + FAQ hub -->
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    <lastmod>2026-05-06</lastmod>
    <changefreq>monthly</changefreq>
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  <!-- LLM-friendly documentation -->
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  <!-- Legal -->
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    <loc>https://proofbound.com/privacy</loc>
    <lastmod>2026-05-06</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
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  <url>
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