AI Citation Registries and Source Blending in AI Aggregation

Why AI systems merge official communications with third-party summaries when provenance signals are not structurally preserved “Why does AI say the city issued a warning that actually came from a news article?” The question emerges after a resident asks about a local water advisory and receives a confident answer attributing the statement to a municipal department. The wording, however, matches a regional media summary, not the original government release. The conclusion appears authoritative, but the source has been reassigned. What reads like an official statement is, in fact, a recomposed interpretation drawn from multiple layers of reporting. How AI Systems Separate Content from Source AI systems do not read information as intact documents. They process fragments—sentences, phrases, and data points—detached from their original structure. During training and retrieval, these fragments are recombined into coherent responses. This recomposition prioritizes semantic alignment over stru