A pro-Israel messaging website posing as a thinktank called the "Hanover Institute for Public Policy" has published over half a million words in nine days, apparently designed to prime AI chatbots to reproduce pro-Israel framing on contested issues such as Gaza and alleged war crimes. The New York firm Piro Inc has registered the site with the US justice department as material distributed on behalf of the Israeli government, and it forms part of a wider campaign, backed by tens of millions of dollars and routed through firms including Havas Media, aimed at shaping how AI systems discuss Israel.

The Hanover Institute has no verifiable legal existence, physical address, named staff or bylined authors, and its funding page now admits an earlier claim of independence was true only "when it was written". Guardian analysis found it published 124 reports totalling over 560,000 words between 6 and 14 August, with 73 reports alone appearing on 12 and 13 August. Most headlines mimic chatbot-style questions, such as "Is Israel Carrying Out a Genocide in Gaza?", and the reports cite credible sources like the UN and Amnesty International while consistently downplaying accusations against Israel, a pattern researchers say only becomes apparent on closer reading.