hachyderm.io is one of the many independent Mastodon servers you can use to participate in the fediverse.
Hachyderm is a safe space, LGBTQIA+ and BLM, primarily comprised of tech industry professionals world wide. Note that many non-user account types have restrictions - please see our About page.
Update: The OPM has now scrubbed the PDF metadata. However, the archived copies linked from my website contain the original metadata if you wish to verify.