Regarding your last point, adding "id_" to the end of the timestamp in the URL produces the original downloaded file. Adding "if_" produces the page with rewrit

Regarding your last point, adding "id_" to the end of the timestamp in the URL produces the original downloaded file. Adding "if_" produces the page with rewritten links but without the Wayback Machine header. Additionally, if you look at the HTTP response headers on any version of the archived page, they include copies of the original response headers.