#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 · mastodon.social (Mastodon public tags API) · fetched 2026-10-01 13:21 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 2026-10-01 13:21 UTCNo related tags with measured usage found for #o4ishere.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-01 13:21 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: 3.7
Top of the latest posts
We are pleased to announce our discovery of #GW241011 and #GW241110 Both come from binary black holes where one black hole is much larger than the other. The larger black holes have large spin. Could these black holes have formed in a previ
What a difference a decade makes! Announcing the clearest #GravitationalWave detection ever #GW250114 https://youtu.be/2XmZ8-XQ9jU 📓: https://doi.org/10.1103/kw5g-d732 #Astrodon #O4IsHere
When a black hole is formed in a merger it emits a set of #GravitationalWave frequencies, ringing like a bell Measuring these tests the nature of black holes. Each part of the signal (the different overtones) is set by the black hole's mass
#o4ishere across platforms
every network with a public tag surfaceFollow #o4ishere straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
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