The second half of your keyword is the key: Added by Request.

On archival forums—specifically r/DataHoarder , Archive.org’s forums, and Usenet’s alt.binaries.penthouse—users cannot simply upload copyrighted material freely. Moderators enforce a “no new commercial scans” rule.

However, there is a loophole: The Request System.

When a user posts an ISO (In Search Of) request for “Sept 1984 Penthouse,” and another user fulfills it, the uploader typically labels the file: “Penthouse_1984_09.pdf - Added by Request.”

This tag serves three purposes:

If you see a file with this exact naming convention, you have found the “good” copy—likely a 200-300 MB PDF with original ads intact.

Usenet (via providers like Newshosting or Eweka) is the last bastion of unregulated magazine archives.

Penthouse, founded in 1965 by Bob Guccione, was known for its adult content, including nude photography, erotic fiction, and articles on lifestyle, politics, and culture, often with a provocative or adult perspective. Each issue typically featured: