#heureka

Live, measured metrics for the hashtag #heureka 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 #heureka

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.

$240.06/ year · 7-character #name
Claim #heureka — $240.06/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.2
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-11-09 14:26 UTC
0
11-03
0
11-04
0
11-05
0
11-06
0
11-07
0
11-08
0
11-09

0 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 2026-11-09 14:26 UTC
#heurekagroup
0 uses · 0 accounts / 7d
#heurekavantaa
0 uses · 0 accounts / 7d
#heurekadevs
0 uses · 0 accounts / 7d
#heurekamoment
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-11-09 14:26 UTC

Everything below is measured over the latest 40 public posts (spanning ~83960 hours).

Posting hours (UTC) — busiest: 19:00

00:0012:0023:00

Languages: Finnish (10) · English (7) · French (5) · German (4) · Czech (2)

Avg boosts / post: 1

Top of the latest posts

  • #Mastodon meetup at #Heureka (Finnish Science center). Nice start to my summer vacation. #kesäloma

    Carol Chen@cybette@mastodon.org.uk♥ 4↻ 02026-06-30 04:16 UTCView post →

  • Leute, diese Schlenker in temporären Fahrbahnmarkierungen entstehen tatsächlich durch #Heuschnupfen. Soeben live beobachtet (N=1). #Heureka #hatschi #gesundheit

    Sea of approval@deepsy@norden.social♥ 3↻ 02026-06-05 06:46 UTCView post →

  • Archimedes gilt als eines der größten Genies der Menschheit. Seine über 2000 Jahre alte Entdeckung prägt bis heute die Wissenschaft. #Antike #Archimedes #ArchimedischesPrinzip #Heureka #Sizilien #Syrakus #GeschichtenAusDerMathematik https:/

    detektor.fm :dfm:@detektorfm@social.detektor.fm♥ 0↻ 02026-09-09 03:21 UTCView post →

What “heureka” means

Wikipedia

Heureka is a science center in the Tikkurila district of Vantaa, Finland, north of Helsinki, designed by Heikkinen – Komonen Architects. It is located at the intersection of the Finnish Main Line and the river Keravanjoki.

“Heureka” on Wikipedia (CC BY-SA) →

#heureka across platforms

every network with a public tag surface

Follow #heureka 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/heureka