#efemeride

Live, measured metrics for the hashtag #efemeride 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 #efemeride

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.

$51.02/ year · 9-character #name
Claim #efemeride — $51.02/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
33
Uses / 7 days
Mastodon
10
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.2/hr
Recent pace
Mastodon · last 40
0.6
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-11-15 00:02 UTC
7
11-09
3
11-10
9
11-11
5
11-12
5
11-13
4
11-14
0
11-15

33 uses by 10 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-11-15 00:02 UTC

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-11-15 00:02 UTC

Everything below is measured over the latest 40 public posts (spanning ~169 hours).

Posting hours (UTC) — busiest: 06:00

00:0012:0023:00

Languages: Spanish (35) · Catalan (3) · Portuguese (2)

Avg boosts / post: 0.2

Top of the latest posts

  • #Efeméride La química Martha Annie Whiteley (1866-1956) nació un 11 de noviembre. Durante la Primera Guerra Mundial, los laboratorios químicos del Imperial College se usaron para analizar muestras recogidas de campos de batalla y áreas bomb

    Marta Macho Stadler@martamachos♥ 2↻ 02026-11-11 06:15 UTCView post →
  • #Efeméride La especialista en ciencias de la computación Shafrira Goldwasser (1958) cumple hoy años. Las áreas de investigación de Goldwasser incluyen la teoría de la complejidad computacional, la criptografía y la teoría de números computa

    Marta Macho Stadler@martamachos♥ 1↻ 12026-11-14 07:11 UTCView post →
  • #Efeméride La física María Inmaculada Paz Andrade (1928-2022) nació un 14 de noviembre. Fue la primera catedrática de la Facultad de Física de la Universidad de Santiago de Compostela. Es una referencia internacional en microcalorimetría, e

    Marta Macho Stadler@martamachos♥ 1↻ 12026-11-14 07:10 UTCView post →

#efemeride across platforms

every network with a public tag surface

Follow #efemeride 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/efemeride