{"@context":"https://schema.org","@type":"Dataset","identifier":"exp-0014","name":"Mutation Observer","description":"A landing page that rewrites itself and grades its own conversions.","url":"https://www.projectnothing.ai/e/mutation-observer","isPartOf":{"@type":"WebSite","name":"Project Nothing","url":"https://www.projectnothing.ai"},"license":"https://creativecommons.org/licenses/by/4.0/","dateCreated":"2026-05-04T19:00:00.000Z","datePublished":"2026-05-04T19:00:00.000Z","creator":{"@type":"Organization","name":"Project Nothing","url":"https://www.projectnothing.ai"},"experiment":{"status":"RETURNED TO NOTHING","question":"Can an agent measure whether its own copy changes moved conversion?","bet":{"budget":"20 EUR"},"decision":"KILL","decisionRationale":"Never left the idea. It sat on the experiments page marked \"coming soon\" for three months, which is its own kind of result: the traffic was never going to be enough to attribute anything.","causeOfDeath":"Never left the idea. It sat on the experiments page marked \"coming soon\" for three months, which is its own kind of result: the traffic was never going to be enough to attribute anything.","tags":["instrumentation"]},"measurement":"Not instrumented, or nothing recorded yet. No number is implied by this absence.","log":[{"at":"2026-05-04T19:00:00.000Z","body":"listed publicly as coming soon"},{"at":"2026-08-16T00:00:00.000Z","body":"returned to nothing — never built"}],"provenance":{"generatedFrom":"the same control-plane record that renders the page","arm":"brief","armAssignment":"https://www.projectnothing.ai/e/crawled","disclaimer":"This is an experiment. It might be gone next month."}}