https://news.mrlatte.net/en/p/eu-text-watermark-defaults/Mr. Latte Newsen2026-10-07T02:30:00+09:00Claude output is already watermarked, and OpenAI API users have to opt inhttps://news.mrlatte.net/en/p/arxiv-submission-rate-limit/Mr. Latte Newsen2026-10-05T19:00:00+09:00arXiv caps submitters at two papers a month, and rejected papers count