#o4ishere
Live, measured metrics for the hashtag #o4ishere from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #o4ishere
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 2026-07-29 14:57 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 2026-07-29 14:57 UTCNo related tags with measured usage found for #o4ishere.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-29 14:57 UTCEverything below is measured over the latest 40 public posts (spanning ~1684 hours).
Posting hours (UTC) — busiest: 16:00
Languages: English (38) · German (2)
Avg boosts / post: 3
Top of the latest posts
Oo! Interesting #GravitationalWave candidate #S251112cm potentially from a *subsolar* mass source If real, the source probably has chirp mass ~0.1–0.87 solar masses False alarm rate 1 in 6.2 yr GraceDB https://gracedb.ligo.org/superevents/S
Saturday #GravitationalWave candidate #S250927ck If real, the source is probably a binary black hole (chirp mass ~44–88 solar masses) False alarm rate 1 in 1.0 yr GraceDB https://gracedb.ligo.org/superevents/S250927ck GCN https://gcn.nasa.g
Catch up with everything you need to know about our latest #GravitationalWave discovery #GW250114 with our infographics Credit: Sanika Khadkikar/Penn State & Lucy Reading-Ikkanda/Simons Foundation #O4IsHere #Astrodon
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/o4ishere