#o4
Live, measured metrics for the hashtag #o4 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #o4
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 · mastodon.social (Mastodon public tags API) · fetched 2026-07-27 21:45 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-07-27 21:45 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-07-27 21:45 UTCEverything below is measured over the latest 40 public posts (spanning ~18580 hours).
Posting hours (UTC) — busiest: 07:00
Languages: German (25) · English (12) · Italian (2) · French (1)
Avg boosts / post: 1.5
Top of the latest posts
🚨 Mysterious object in the gap – Shortly after the start of the fourth observing run, the @[email protected] collaborations detected a remarkable gravitational-wave signal. 😲 It's from the merger of a neutron star with an u
We have entered an era where it pays to have decent handwriting. [This was truly the only prompt; I did not edit the output.] #o4
New discoveries on the horizon - gravitational-wave observatories have already observed 200 detection candidates. Scientists at the @mpi_grav and at @unihannover, including many PhD students and postdoctoral researchers, have contributed to
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/o4