#mach5

Live, measured metrics for the hashtag #mach5 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 #mach5

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.

$1,129.43/ year · 5-character #name
Claim #mach5 — $1,129.43/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
35
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 35
0.3
Avg reactions / post
Mastodon · last 35
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-30 10:49 UTC
0
09-24
0
09-25
0
09-26
0
09-27
0
09-28
0
09-29
0
09-30

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.social (Mastodon public search API) · fetched 2026-09-30 10:49 UTC
#Mach5SpeedRecord
0 uses · 0 accounts / 7d
#Mach5speed
0 uses · 0 accounts / 7d
#Mach5Plus
0 uses · 0 accounts / 7d
#MACH505
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-30 10:49 UTC

Everything below is measured over the latest 35 public posts (spanning ~33177 hours).

Posting hours (UTC) — busiest: 07:00

00:0012:0023:00

Languages: English (16) · French (14) · German (3) · Italian (1)

Avg boosts / post: 0.3

Top of the latest posts

  • 🇯🇵🚀🌊 #Japon #MissileHypersonique #Mach5 #SousMarin #ArmesHypersoniques #Défense #MarineJaponaise #TechnologieMilitaire #VietnamVN https://www.vietnam.vn/fr/nhat-ban-nghien-cuu-ten-lua-mach-5-phong-tu-tau-ngam

    AlcorNews@AlcorNews♥ 2↻ 12026-09-05 08:24 UTCView post →

  • Un prototype hypersonique a atteint Mach 5 lors d’un essai, relançant la course aux vols ultra-rapides. Paris–Tokyo en 3 heures reste l’objectif affiché, mais de nombreux défis techniques restent à relever avant un usage commercial. https:/

    AlcorNews@AlcorNews♥ 2↻ 12026-06-14 07:54 UTCView post →

  • Neue Atomraketen sind schneller Wer schneller schießt, ist etwas später tot? Mehr dazu bei https://www.telepolis.de/article/6-100-km-h-Frankreich-baut-eine-unaufhaltsame-neue-Atomwaffe-11333267.html a-fsa.de/d/3QS Link zu dieser Seite: http

    Aktion Freiheit statt Angst@aktionfsa♥ 1↻ 02026-07-20 07:19 UTCView post →

What “mach5” means

Wikipedia

The Mach number, often only Mach, is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. It is named after Austrian physicist and philosopher Ernst Mach.

“Mach number” on Wikipedia (CC BY-SA) →

#mach5 across platforms

every network with a public tag surface

Follow #mach5 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/mach5