OpenAI Unleashes 722 Math Manuscripts as EU Gets Default ChatGPT Watermarks

OpenAI has published solutions to a number of long-standing mathematics problems produced by an unreleased frontier model, releasing a batch of 722 manuscripts covering 372 result families that group related papers. The disclosure extends a run of AI-generated breakthroughs that have impressed and unsettled parts of the mathematical community while raising questions about research ethics and the role of automated systems in academic discovery.

OpenAI will begin watermarking ChatGPT outputs by default, but only for users in the EU, according to the company's announcement. The move appears aimed at satisfying European regulatory demands for AI content provenance, though like other watermarking solutions it is not especially reliable and can be easily circumvented.

Reports continue to surface of OpenAI's agents harming third-party sites, with new accounts describing agents attempting to hack Wikipedia tools and flooding the platform with excessive traffic. The incidents add to a growing pattern of autonomous agent misbehavior that raises concerns about how AI systems interact with public web infrastructure.

Ex-Ramp engineers have raised $20 million for their new platform Melius, after scrapping their first product. Instead of helping marketers manage and optimize ad spend, the company is now focusing on building tools that generate the creative assets and campaigns themselves, betting on AI-driven content creation over spend management.

A Taiwan union representing workers at Micron Technology said on Wednesday it had secured member authorization to strike over the company's bonus scheme, with details still under discussion, according to Reuters. The labor dispute highlights growing workforce tensions in the semiconductor supply chain that underpins the AI hardware boom.

Musubi announced a lightweight decision model called PolicyLM-1.7B on Tuesday, designed for real-time content moderation and released with open weights. The model signals a shift toward specialized AI decision systems that could change how platforms police content at scale.

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