#submarine

Live, measured metrics for the hashtag #submarine 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 #submarine

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 #submarine$51.02/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
14
Uses / 7 days
Mastodon
12
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.1/hr
Recent pace
Mastodon · last 40
0
Avg reactions / post
Mastodon · last 40
Reddit posts / month
Reddit search
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-09-20 13:00 UTC
1
09-14
1
09-15
3
09-16
2
09-17
2
09-18
4
09-19
1
09-20

14 uses by 12 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mas.to (Mastodon public search API) · fetched 2026-09-20 13:00 UTC

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-09-20 13:00 UTC

Everything below is measured over the latest 40 public posts (spanning ~377 hours).

Posting hours (UTC) — busiest: 03:00

00:0012:0023:00

Languages: English (34) · Romanian (2) · Danish (1) · French (1) · Lithuanian (1) · Ukrainian (1)

Avg boosts / post: 1.9

Top of the latest posts

  • A ticking 'mercury bomb'? Ancient Nazi U-boat lies off Norway https://www.euronews.com/my-europe/2026/09/19/a-ticking-mercury-bomb-ancient-nazi-u-boat-lies-off-norway #EuroNews #Norway #WW2 #Submarine #Uboat #Polution #Mercury #NaziGermany

    Knud Lønborg-Jensen@[email protected]032026-09-20 05:54 UTCView post →
  • Not Made in the USA: Sweden Is Planning to Build A New AIP Submarine That Might Be One of the Most Quiet on Earth and Was Built Upon a Sub That Sunk a US Navy Aircraft Carrier in a Simulation Sweden’s upcoming Blekinge-class submarines are

    Sweden@[email protected]002026-09-19 15:23 UTCView post →
  • Not Made in the USA: Sweden Is Planning to Build A New AIP Submarine That Might Be One of the Most Quiet on Earth and Was Built Upon a Sub That Sunk a US Navy Aircraft Carrier in a Simulation https://www.byteseu.com/2380086/ #A26 #BlekingeC

    Bytes Europe@[email protected]002026-09-19 15:19 UTCView post →

What “submarine” means

Wiktionary · Wikipedia

submarine/sʌb.məˈɹiːn/

  • nounA boat that can go underwater.
  • verbTo operate or serve on a submarine.
Full entry on Wiktionary →

A submarine is a watercraft capable of independent operation underwater. The term "submarine" is also sometimes used historically or informally to refer to remotely operated vehicles and robots, or to medium-sized or smaller vessels. Submarines are referred to as boats rather than ships regardless of their size.

Submarine” on Wikipedia (CC BY-SA) →

#submarine across platforms

every network with a public tag surface

Follow #submarine 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/submarine