{"type": "article", "title": "TwinCheck: Evidence-Grounded Negative-Twin Verification for Stateful Tool Agents", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/twincheck-evidence-grounded-negative-twin-verification-for-stateful-tool-agents", "original_source": "https://arxiv.org/abs/2609.26911", "published": "2026-09-24T04:00:00+00:00", "accessed": "2026-09-24", "id": "twincheck-evidence-grounded-negative-twin-verification-for-stateful-tool-agents"}