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    <title>Yu-Yun Hsieh: Notes</title>
    <link>https://harper.231labs.xyz</link>
    <description>PhD student working across cybersecurity, blockchain systems, smart contracts, and architectural thinking.</description>
    <language>en</language>
    <lastBuildDate>Thu, 10 Sep 2026 15:54:43 GMT</lastBuildDate>
    <item>
      <title>When a parameter becomes a permission</title>
      <link>https://harper.231labs.xyz/notes/when-a-parameter-becomes-a-permission</link>
      <guid>https://harper.231labs.xyz/notes/when-a-parameter-becomes-a-permission</guid>
      <pubDate>Sat, 05 Sep 2026 12:00:00 GMT</pubDate>
      <category>Making</category>
      <description>A retrospective on Archimeters: treating a parametric design not only as geometry, but as a bounded invitation to make.</description>
    </item>
    <item>
      <title>What changes a shared space?</title>
      <link>https://harper.231labs.xyz/notes/what-changes-a-shared-space</link>
      <guid>https://harper.231labs.xyz/notes/what-changes-a-shared-space</guid>
      <pubDate>Sun, 22 Feb 2026 12:00:00 GMT</pubDate>
      <category>Making</category>
      <description>A post-hackathon reflection on Atrium, where data, objects, and agents were meant to leave visible traces in a creator’s space.</description>
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