#pfr
Live, measured metrics for the hashtag #pfr from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #pfr
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-31 09:30 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-31 09:30 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-31 09:30 UTCEverything below is measured over the latest 3 public posts (spanning ~5972 hours).
Posting hours (UTC)
Languages: English (3)
Avg boosts / post: 13
Used together with
Top of the latest posts
A couple months ago, another mathematician contacted me and two of my co-authors (Green and Manners) regarding a minor mathematical misprint in one of our papers. Normally this is quite a routine occurrence, but it caused a surprising amoun
"‘A-Team’ of Math Proves a Critical Link Between Addition and Sets" #Marton #SumSet #PFR https://www.quantamagazine.org/a-team-of-math-proves-a-critical-link-between-addition-and-sets-20231206/
I just finished 32 hours of training to become an active Portland NET, aka Neighborhood Emergency Team member (CERT everywhere else). Our Final Field Exercise was at Portland Fire & Rescue's training center & it wasn't hot but our AQI sucks
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/pfr