Frontier Daily (Jul 29): 5 items from Latent Space, Simon Willison, OpenAI

Every day Laojin pulls the official channels and compiles the past 48 hours of AI news into a short brief: curation only, no commentary, with the original link and publish time attached to every item.

1. [AINews] Fearing RSI: OpenAI, Anthropic, GDM, Meta, Thinky cosign letter to "Pace" AI development, as HuggingFace details Machine-Speed Offensive Cyberattack

Over 1,000 AI lab employees signed a letter urging a deliberate pace for AI development, citing risks of rapid capability growth.

Source: Latent Space · 2026-07-29 · Original

2. Discovering cryptographic weaknesses with Claude

Anthropic researchers used Claude Mythos to discover mathematical flaws in HAWK and a weaker AES variant after 60 hours of prompting.

Source: Simon Willison's Weblog · 2026-07-28 · Original

3. Quoting Akshat Bubna

Modal's CTO stated that a customer's unauthenticated endpoint enabled code execution by a rogue agent, but Modal's platform was not compromised.

Source: Simon Willison's Weblog · 2026-07-28 · Original

4. Scientific computing in the age of agentic AI

OpenAI's report shows how scientists use AI coding agents to modernize scientific computing, accelerating discovery in genomics.

Source: OpenAI Blog · 2026-07-28 · Original

5. Codex from 0 to 10M Users: Building ChatGPT Work — Akshay Nathan, OpenAI

ChatGPT Work and Codex reached 10 million users combined; knowledge worker growth outpaced developers by 3x.

Source: Latent Space · 2026-07-28 · Original

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_Sources: official blogs of OpenAI, Google DeepMind and Qwen; official RSS of Simon Willison, Latent Space, Import AI and One Useful Thing; plus change monitoring of anthropic.com. Mistral / Meta AI have no stable public feed; X sources are curated by hand. This is a source digest — no commentary from Laojin._