#URSI

Live, measured metrics for the hashtag #URSI from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #ursi

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.

$2,449.80/ year · 4-character #name
Claim #ursi — $2,449.80/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
32
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 32
0.8
Avg reactions / post
Mastodon · last 32
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-19 00:50 UTC
0
10-13
0
10-14
0
10-15
0
10-16
0
10-17
0
10-18
0
10-19

0 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 2026-10-19 00:50 UTC
#ursine
1 uses · 1 accounts / 7d
#ursinhopimpao
0 uses · 0 accounts / 7d
#ursinobuskers
0 uses · 0 accounts / 7d
#ursinalardi
0 uses · 0 accounts / 7d
#ursinaengine
0 uses · 0 accounts / 7d
#ursitti
0 uses · 0 accounts / 7d
#UrsinhosCarinhosos
0 uses · 0 accounts / 7d
#ursilive
0 uses · 0 accounts / 7d
#UrsilavonderLeyen
0 uses · 0 accounts / 7d
#UrsineSweater
0 uses · 0 accounts / 7d
#ursita
0 uses · 0 accounts / 7d
#ursirq
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-19 00:50 UTC

Everything below is measured over the latest 32 public posts (spanning ~20026 hours).

Posting hours (UTC) — busiest: 08:00

00:0012:0023:00

Languages: English (30) · German (2)

Avg boosts / post: 0.8

Top of the latest posts

  • I’m supporting the CSIRO (Australia research council) booth at #URSI (radio science conference) in Sapporo this week! This is part of @futuremeetings, where we’ve developed a virtual reality experience where you can explore models of the ra

    Elizabeth Tasker@elizabethtasker♥ 21↻ 102023-08-20 04:52 UTCView post →

  • Heute gibts mal wieder eine Rezension - ja, sogar eine Doppelrezension: Ich habe zwei unterhaltsame Sachbücher von #HeikeAbidi (eins zusammen mit #Ursi Breidenbach verfasst) besprochen: https://www.koelner-leselust.de/heike-abidi-mal-wieder

    Heike Baller@[email protected]♥ 2↻ 12025-09-23 10:43 UTCView post →

  • Acabo de encontrar una joya: una charla de Cristina García-Miró sobre la historia de la radio astronomía en España. Está basada en la keynote que presentó en Mayo de 2024 en la reunión atlántica de radio ciencia (AT-RASC) de la URSI (Union

    Dr. Juande Santander-Vela@[email protected]♥ 1↻ 32025-12-01 15:20 UTCView post →

What “ursi” means

Wikipedia

Ursi is both a surname and a given name. Notable people with the name include:Corrado Ursi (1908–2003), Italian Roman Catholic archbishop and cardinal Giorgio Ursi (1942–1982), Italian cyclist Ursi Walliser, Swiss skeleton racer

“Ursi” on Wikipedia (CC BY-SA) →

#ursi across platforms

every network with a public tag surface

Follow #ursi 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/ursi