http://programmer.ie/tags/provenance/ Recent content in Provenance on Programmer.ie: Modern AI programming Hugo en-us Sun, 09 Aug 2026 00:00:00 +0000 http://programmer.ie/post/advanced-agents-from-first-principles-25/ Sun, 09 Aug 2026 00:00:00 +0000 http://programmer.ie/post/advanced-agents-from-first-principles-25/ <p>A production agent fails on Tuesday.</p> <p>You inspect it on Wednesday and cannot reproduce the failure.</p> <p>Three weeks later someone asks a harder question:</p> <blockquote> <p>What exactly did this agent see, which release was running, which tools were called, which evidence was used, and why did the verifier accept the result?</p></blockquote> <p>If the answer is &ldquo;we have some logs&rdquo;, you do not yet have reproducibility.</p> <p>You have fragments.</p> <p>Advanced agents accumulate hidden variability quickly:</p>