<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Polycheck</title><description>On making AI answers defensible enough to act on.</description><link>https://www.polycheck.ai/</link><item><title>Why a model cannot grade its own answer</title><link>https://www.polycheck.ai/blog/why-a-model-cannot-grade-itself/</link><guid isPermaLink="true">https://www.polycheck.ai/blog/why-a-model-cannot-grade-itself/</guid><description>Asking an AI to check its own work returns the same reasoning that produced the error. The fix is structural, and it has a name in the literature.</description><pubDate>Tue, 18 Aug 2026 00:00:00 GMT</pubDate></item></channel></rss>