#heisenbug
Live, measured metrics for the hashtag #heisenbug from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #heisenbug
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 08:12 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 2026-07-28 08:12 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 08:12 UTCEverything below is measured over the latest 40 public posts (spanning ~27159 hours).
Posting hours (UTC) — busiest: 11:00
Languages: English (27) · Russian (6) · Polish (2) · German (2) · Dutch (1) · Basque (1)
Avg boosts / post: 0.4
Top of the latest posts
Continuing our #EverythingOpen Schedule Highlights, we present @paulmckrcu Software Engineer at #Meta who will present on "Hunting Heisenbugs". Drawing from #quantum and #classic #physics, Paul asks - if there is such a thing as a #Heisenbu
TFW you install another Mastodon app because your regular one keeps hanging and then the regular one refuses to hang, so you can't legitimately raise an issue. #heisenbug
You think it's hot today? First I've been trying to figure out a new segfault in #pydantic 2 with #Python 3.12. I haven't been able to get far, except for establishing that it's a #heisenbug. https://github.com/pydantic/pydantic/issues/7181
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/heisenbug