Most LLMs sound confident whether they are right or wrong. That's fine until it's a mortgage form or a health claim, and the "confidently wrong" number costs someone real money. @nutrientdocs 's answer: don't just extract the value, extract the proof. Every field comes with a bounding box, a confidence score, and a page index. Hover it, see the exact pixels it came from. No hunting through the doc to check if the model made it up. They open-sourced the grounding model, published the…