#marenostrum

Live, measured metrics for the hashtag #marenostrum 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 #marenostrum

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.

$10.85/ year · 11-character #name
Claim #marenostrum — $10.85/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.1
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-09-26 02:47 UTC
0
09-20
0
09-21
0
09-22
0
09-23
0
09-24
1
09-25
0
09-26

1 uses by 1 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 2026-09-26 02:47 UTC
#marenostrumfuengirola
0 uses · 0 accounts / 7d
#MareNostrum5
0 uses · 0 accounts / 7d
#MareNostrumEuropea
0 uses · 0 accounts / 7d
#marenostrum4
0 uses · 0 accounts / 7d
#marenostrum2026
0 uses · 0 accounts / 7d
#marenostrumbarcelona
0 uses · 0 accounts / 7d
#marenostrumona
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-26 02:47 UTC

Everything below is measured over the latest 40 public posts (spanning ~11224 hours).

Posting hours (UTC) — busiest: 18:00

00:0012:0023:00

Languages: German (15) · Spanish (13) · Italian (5) · English (5) · French (1)

Avg boosts / post: 0.4

Top of the latest posts

  • Had a chance to visit #Barcelona Supercomputing Center today. Here are some photos of #MareNostrum 5 and two quantum computers in a glass box in an old chapel. #AIChurch

    Julien Deswaef@[email protected]♥ 2↻ 02026-02-11 20:41 UTCView post →

  • Mare Nostrum:El mediterráneo como símbolo del poder romano #antiguaroma #marenostrum #shorts #roma

    Haciendo Historia@[email protected]♥ 0↻ 02026-09-25 02:20 UTCView post →

  • Golfo e Lago America, Trump riscrive la geografia. E ora punta a un oceano | ANSA.it Golfo e Lago America, Trump riscrive la geografia. E ora punta a un oceano | ANSA.it https://share.google/9jpxD3PJOfLzYo3OS E NOI CAMBIAMO IL NOME AL MEDIT

    lucabianciardi@[email protected]♥ 0↻ 02026-08-27 21:24 UTCView post →

What “marenostrum” means

Wikipedia

MareNostrum is the main supercomputer in the Barcelona Supercomputing Center. It is the most powerful supercomputer in Spain, one of thirteen supercomputers in the Spanish Supercomputing Network and one of the seven supercomputers of the European infrastructure PRACE.

“MareNostrum” on Wikipedia (CC BY-SA) →

#marenostrum across platforms

every network with a public tag surface

Follow #marenostrum 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/marenostrum