#emptyset
Live, measured metrics for the hashtag #emptyset from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #emptyset
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 2026-07-27 22:17 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 2026-07-27 22:17 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 22:17 UTCEverything below is measured over the latest 13 public posts (spanning ~30144 hours).
Posting hours (UTC) — busiest: 02:00
Languages: English (11) · Dutch (1) · Spanish (1)
Avg boosts / post: 2.1
Top of the latest posts
Evolution of the notation for the empty set: 0 - George Boole 🇬🇧 (1847) 𝑂 - Georg Cantor 🇩🇪 (1880) {} - Gottlob Frege 🇩🇪 (1882) Λ - Giuseppe Peano 🇮🇹 (1889) ∅ - Andre Weil 🇫🇷 (1939) "Much later, my own part in these discussions e
#emptyset https://ift.tt/RAeiLHS | posted by afasia | daily entries on contemporary art and architecture #afasiaarchzine #afasiaarq | #architecture #arquitectura #design Dissever . 2025 emptyset emptyset’s sixth album builds on their ongoin
Good corporations or Bad corporations, good, bad and evil choices theory? Real histories, oligarchs corporations or people’s collectives? Using doublespeak to sell, buy, hate and fear! #corporations #collectives #communities #interestsright
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/emptyset