The Daily Diff is a daily digest of curated arXiv papers and Hacker News threads for engineers — signal, not noise.https://the-daily-diff.arpitbhayani.me/https://the-daily-diff.arpitbhayani.me/2026-07-19/https://the-daily-diff.arpitbhayani.me/2026-07-19/87 curated engineering reads from arXiv and Hacker News for Sunday, July 19, 2026, including "Explicit world models improve LLM composability and mitigate risks".Sun, 19 Jul 2026 00:00:00 GMThttps://the-daily-diff.arpitbhayani.me/2026-07-18/https://the-daily-diff.arpitbhayani.me/2026-07-18/84 curated engineering reads from arXiv and Hacker News for Saturday, July 18, 2026, including "GPT-5.6 closes 30-year gap in convex optimization".Sat, 18 Jul 2026 00:00:00 GMT