Retrieval-augmented generation is an architecture that searches a document set for relevant passages and gives them to a language model as the basis for its answer.

This is one entry in The Knowledge Company claim register: a statement the company publishes, the source it was checked against, the date of the last check and the date that check expires. When the stale-after date passes, the status degrades on its own until a person re-verifies the claim. Nothing is marked verified automatically.