{"type": "article", "title": "Detectable Only Where It Is Confounded: What Verified Duplication Counts Say About Membership Evidence in Language Models", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/detectable-only-where-it-is-confounded-what-verified-duplication-counts-say-in", "original_source": "https://arxiv.org/abs/2609.10830", "published": "2026-09-11T04:00:00+00:00", "accessed": "2026-09-11", "id": "detectable-only-where-it-is-confounded-what-verified-duplication-counts-say-in"}