#umkehr
Live, measured metrics for the hashtag #umkehr from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #umkehr
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 2026-09-28 02:55 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 2026-09-28 02:55 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-28 02:55 UTCEverything below is measured over the latest 23 public posts (spanning ~64033 hours).
Posting hours (UTC) — busiest: 15:00
Languages: German (17) · English (4)
Avg boosts / post: 0.8
Top of the latest posts
#Umkehr, Reue und #Versöhnung: Im September feiert das #Judentum mehrere hohe Feiertage. Bei @[email protected] bringt Rabbiner Edward van Voolen diese in Verbindung mit Rabbiner Joseph Ber Dov ha-Levi Soloveitchik und de
Klimawandel und Hitzewellen: Eine Frage der Rationalität von Politik und der Zusammenarbeit über Parteigrenzen hinweg! Hitzewellen werden für Unternehmen zum Kostenfaktor. Der Kreditversicherer Allianz Trade warnt vor Verlusten von rund 112
#news ⚡ US-Blockade der Straße von Hormus: 48 Schiffe zur Umkehr gezwungen: Die US-Blockade der Straße von Hormus hat in den letzten 20 Tagen nach eigenen Angaben 48 Schiffe zur Umkehr gezwungen.Das teilte das... https://hubu.de/?p=324499 |
What “umkehr” means
WikipediaIn solid state physics, the Umkehr (meaning 'reversal', German pronunciation: [ˈʊmˌkeːʁ], from German um 'around' and kehr 'turn') is the time variation of the ratio of the scattered intensity at two different wavelengths. The Umkehr effect is observed when measurements are made with ultraviolet spectrophotometer of the ratio of the zenith sky light intensities of two wavelengths in the solar ultraviolet when the sun is near the horizon. The shorter of two wavelengths (intensity I) is strongly
“Umkehr effect” on Wikipedia (CC BY-SA) →#umkehr across platforms
every network with a public tag surfaceFollow #umkehr 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/umkehr