#vihart
Live, measured metrics for the hashtag #vihart from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #vihart
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.online (Mastodon public tags API) · fetched 2026-09-26 20:41 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.online (Mastodon public search API) · fetched 2026-09-26 20:41 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-26 20:41 UTCEverything below is measured over the latest 13 public posts (spanning ~46569 hours).
Posting hours (UTC) — busiest: 16:00
Languages: English (12) · German (1)
Avg boosts / post: 1.8
Top of the latest posts
TIL that Vi Hart deleted their YT account. They intend however to stay on Vimeo. If you don't know Vi Hart, you may start with their Video about 12-tone music (30 minutes of good joy). (Most of their videos are related to math, more or less
https://vimeo.com/1173465844 #vihart
Happy Pi Day! From living legend @vihart : https://vimeo.com/1173465844 #PiDay #ViHart
What “vihart” means
WikipediaVictoria "Vi" Hart is an American mathematician and former YouTuber. They describe themself as a "recreational mathemusician" and are well known for creating mathematical videos on YouTube and popularizing mathematics. Hart founded the virtual reality research group eleVR and has co-authored several research papers on computational geometry and the mathematics of paper folding.
“Vi Hart” on Wikipedia (CC BY-SA) →#vihart across platforms
every network with a public tag surfaceFollow #vihart 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/vihart