https://paraphrasepass.com/updates/ Dated changes in AI text watermarking, detection, paraphrasing tools and the law. en Sat, 31 Oct 2026 12:00:00 GMT https://paraphrasepass.com/ pp-2026-10-31-paraphrase-pass-opens Sat, 31 Oct 2026 12:00:00 GMT First edition of the directory: 7 provenance entries, 11 detectors, 14 rewriting tools, 10 papers and benchmarks, 8 policy texts, 12 news sources. Every link was checked on this date. https://openai.com/index/eu-text-provenance/ pp-2026-10-05-openai-announces-textgrain Mon, 05 Oct 2026 12:00:00 GMT OpenAI's text watermark goes opt-in for API customers worldwide, off by default, and begins rolling out to ChatGPT and Codex output in the EU. Detector access is by application only. OpenAI's own figures: about 95 percent detection on 400-token passages at a 1 percent false positive rate, falling to 17 percent after a quarter of the words are swapped for synonyms. https://www.anthropic.com/news/claude-text-watermark pp-2026-08-14-anthropic-announces-a-global-claude-text-watermark Fri, 14 Aug 2026 12:00:00 GMT A SynthID-Text variant applied to future Claude models worldwide, with earlier models to follow. A detection API enters private preview for regulators, media, researchers, educators and enterprises with EU compliance needs. Anthropic says light editing probably leaves the mark; a full rewrite removes it. https://artificialintelligenceact.eu/article/50/ pp-2026-08-02-eu-article-50-and-california-provider-duties-apply Sun, 02 Aug 2026 12:00:00 GMT The AI Act's transparency obligations take effect for providers and deployers, with a transition period for systems already on the market. On the same date, covered providers under California's AI Transparency Act owe disclosures and detection tools. https://digital-strategy.ec.europa.eu/en/policies/code-practice-ai-generated-content pp-2026-07-08-commission-finds-the-transparency-code-adequate Wed, 08 Jul 2026 12:00:00 GMT The European Commission's opinion confirms that the Code of Practice on Transparency of AI-Generated Content covers the Article 50 obligations, giving signatories a presumption of conformity. https://digital-strategy.ec.europa.eu/en/policies/code-practice-ai-generated-content pp-2026-06-10-final-code-of-practice-published Wed, 10 Jun 2026 12:00:00 GMT Two layers of marking, secured metadata plus watermarks, and a commitment from signatories to keep marks as non-removable as they can. https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260AB853 pp-2025-10-13-california-signs-ab-853 Mon, 13 Oct 2025 12:00:00 GMT The AI Transparency Act is amended: provider duties move to August 2, 2026; large online platforms and generative AI hosting platforms are covered from January 1, 2027, including a ban on knowingly stripping provenance data. https://www.turnitin.com/press/turnitin-expands-capabilities-amid-rising-threats-posed-by-ai-bypassers pp-2025-08-27-turnitin-adds-ai-bypasser-detection Wed, 27 Aug 2025 12:00:00 GMT Text that humanizer tools may have rewritten is flagged and counted toward the AI-generated total. English only. https://www.nature.com/articles/s41586-024-08025-4 pp-2024-10-23-synthid-text-published-in-nature-and-open-sourced Wed, 23 Oct 2024 12:00:00 GMT Google DeepMind publishes the method behind the Gemini text watermark and releases a reference library with Hugging Face. https://deepmind.google/models/synthid/ pp-2024-05-14-synthid-text-watermarking-ships-in-gemini Tue, 14 May 2024 12:00:00 GMT Google extends SynthID from images and audio to text in the Gemini app and web experience. https://arxiv.org/abs/2304.02819 pp-2023-04-06-detectors-shown-to-flag-non-native-english-writers Thu, 06 Apr 2023 12:00:00 GMT Liang et al. report an average 61.3 percent false positive rate across seven detectors on essays by non-native speakers, the finding that still anchors the false-accusation debate.