Adding one outdated passage alongside a current one dropped Llama-3.1-70B’s accuracy from 89% to 73%.

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.