#johanneskepler
Live, measured metrics for the hashtag #johanneskepler from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #johanneskepler
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 2026-10-13 12:11 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 2026-10-13 12:11 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-13 12:11 UTCEverything below is measured over the latest 18 public posts (spanning ~60373 hours).
Posting hours (UTC) — busiest: 09:00
Languages: English (14) · German (3) · Portuguese (1)
Avg boosts / post: 0.9
Top of the latest posts
https://www.fromoldbooks.org/Lloyd-Familienbuch-V/pages/176b-portrait-of-kepler/ Isaac Newton’s invention of gravity relied on earlier work by Copernicus and also Kepler, shown here. Before the work of Newton, ripe apples often floated upwa
How Kepler Invented Science Fiction and Defended His Mother in a Witchcraft Trial While Revolutionizing Our Understanding of the Universe https://web.brid.gy/r/https://www.themarginalian.org/2026/01/28/katharina-kepler-witchcraft-dream/
On #ThisDayInHistory in 1577, #TychoBrahe first observed the #GreatComet. His very precise measurement of this non-periodic comet's movement helped his student, #JohannesKepler, develop a theory of elliptical orbits. Brahe himself was unabl
#johanneskepler across platforms
every network with a public tag surfaceFollow #johanneskepler 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/johanneskepler