https://jeffgeiser.dev/tags/compliance/ Recent content in Compliance on Jeff Geiser Hugo en-US Mon, 12 Oct 2026 00:00:00 +0000 https://jeffgeiser.dev/posts/test-the-stack-not-the-diagram/ Mon, 12 Oct 2026 00:00:00 +0000 https://jeffgeiser.dev/posts/test-the-stack-not-the-diagram/ <p><strong>Data in an AI stack doesn&rsquo;t live in one place. It sprawls across caches, logs, vector stores, and traces. Residency is a surface, and you can&rsquo;t prove a surface from a diagram.</strong></p> <p><em>By Jeff Geiser — October 2026</em></p> <hr> <p>If you&rsquo;ve built an AI stack, you already know the uncomfortable version of this: your data does not live in one place.</p> <p>You designed a request path. Prompt comes in, hits the gateway, goes to a model, answer goes back. That path is what&rsquo;s on the architecture diagram, and it&rsquo;s real. It&rsquo;s also a small fraction of where the data actually goes.</p>