#π
Live, measured metrics for the hashtag #π from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #π
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 2026-07-28 13:01 UTC2 uses by 1 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 2026-07-28 13:01 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 13:01 UTCEverything below is measured over the latest 40 public posts (spanning ~20629 hours).
Posting hours (UTC) — busiest: 08:00
Languages: English (31) · French (3) · German (3) · Spanish (1) · Russian (1) · Turkish (1)
Avg boosts / post: 1.3
Top of the latest posts
Our institute is moving this summer, and I moaned about losing my room number 666 👹 until I heard today that my new room number will be 3.14 #π
Happy π day. In 1897, the Indiana House of Representatives voted unanimously to make π=3.2. #π #πday https://www.scientificamerican.com/article/the-story-behind-indianas-1897-vote-to-change-the-value-of-pi/
@ThePSF Will you be celebrating with pi(e)? #π #py4e #pythonForEverybody
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/π