#groundzero

Live, measured metrics for the hashtag #groundzero 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 #groundzero

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.

$23.52/ year · 10-character #name
Claim #groundzero — $23.52/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 2026-10-27 08:29 UTC
0
10-21
0
10-22
0
10-23
0
10-24
0
10-25
0
10-26
0
10-27

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 2026-10-27 08:29 UTC
#groundzeronews
0 uses · 0 accounts / 7d
#groundzerohero
0 uses · 0 accounts / 7d
#groundzerofirefighterdeathsstory
0 uses · 0 accounts / 7d
#GroundZeroDonald
0 uses · 0 accounts / 7d
#GroundZero911
0 uses · 0 accounts / 7d
#groundzerowtc
0 uses · 0 accounts / 7d
#groundzerovisit
0 uses · 0 accounts / 7d
#groundzeroillness
0 uses · 0 accounts / 7d
#groundzerodispute
0 uses · 0 accounts / 7d
#groundzerocontroversy
0 uses · 0 accounts / 7d
#groundzeropolicy
0 uses · 0 accounts / 7d
#groundzeroconflict
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-27 08:29 UTC

Everything below is measured over the latest 40 public posts (spanning ~7436 hours).

Posting hours (UTC) — busiest: 16:00

00:0012:0023:00

Languages: English (34) · German (3) · Italian (1) · Dutch (1)

Avg boosts / post: 0.5

Top of the latest posts

  • Ich habe mal einen 15 Jahre alten Blogbeitrag zu 9/11 für heute im Blog nach oben gesetzt. #September11 #GroundZero #NewYork #Winterberg https://www.schiebener.net/wordpress/911-in-winterberg/

    hskzoom@[email protected]♥ 3↻ 72026-09-11 06:51 UTCView post →

  • 📆 📺 | Der neue #SkeptixTalk am Mittwochabend wird ein #InsideJob: 25 Jahre nach #NeverForget911 gießen @owlsome_ovo und @hummler.bsky.social noch mal Kerosin ins Feuer am #GroundZero, bis sich die Stahlträger biegen. https://youtu.be/qKTM

    Skeptix@[email protected]♥ 3↻ 32026-09-06 20:20 UTCView post →

  • New York apre gli archivi: 170mila pagine confermano che le autorità sapevano dell'amianto a Ground Zero mesi dopo l'11 settembre 2001, mentre dicevano a residenti e soccorritori che l'aria era sicura. Il bilancio: oltre 49mila diagnosi di

    Emanuele@[email protected]♥ 2↻ 32026-09-11 05:08 UTCView post →

#groundzero across platforms

every network with a public tag surface

Follow #groundzero 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/groundzero