Meme Spots GPT-5.6-Sol Signature in JavaScript hasOwn Function

Engineer Matt Popovich posted an image meme showing two figures in a snowy forest. Speech bubbles in the scene reference GPT-5.6-Sol visiting the code. An overlaid code editor displays a helper named hasOwn that wraps Object.prototype.hasOwnProperty. The meme presents this addition as evidence of a signature from the model inside the JavaScript function. The post consists of the image and the attached caption describing the depicted code change. No other statements or external confirmations appear alongside the shared meme.