#40c3

Live, measured metrics for the hashtag #40c3 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 #40c3

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.

$2,449.80/ year · 4-character #name
Claim #40c3 — $2,449.80/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
166
Uses / 7 days
Mastodon
149
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.8/hr
Recent pace
Mastodon · last 40
2.9
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 2026-11-02 02:50 UTC
46
10-27
24
10-28
30
10-29
30
10-30
17
10-31
19
11-01
0
11-02

166 uses by 149 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 2026-11-02 02:50 UTC
#40c3checklist
1 uses · 1 accounts / 7d
#40c3skat
0 uses · 0 accounts / 7d
#40c3voucher
0 uses · 0 accounts / 7d
#40c3vouchers
2 uses · 2 accounts / 7d
#a3dd40c18f3
0 uses · 0 accounts / 7d
#40c3preparations
0 uses · 0 accounts / 7d
#40c3art
0 uses · 0 accounts / 7d
#40c3Planung
0 uses · 0 accounts / 7d
#fa331c3ed40
0 uses · 0 accounts / 7d
#40c3leaks
0 uses · 0 accounts / 7d
#f1ed3d1c40b
0 uses · 0 accounts / 7d
#C3D40C
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-11-02 02:50 UTC

Everything below is measured over the latest 40 public posts (spanning ~50 hours).

Posting hours (UTC) — busiest: 16:00

00:0012:0023:00

Languages: English (21) · German (19)

Avg boosts / post: 2.1

Top of the latest posts

  • 🚨 🚨 🚨 Weltpremiere! Am 3.11.2026 um 20:15 Uhr (CET) feiert der #40c3 #c3isdn Trailer Premiere: https://youtu.be/lyjddy7BAWI Caller ID, große Konferenz, Gebührenimpuls, ISDN-, Analog-, Modem-, Münztelefon- und Datenanschlüsse bis hin zur

    EVENTPHONE@[email protected]♥ 35↻ 212026-11-01 20:04 UTCView post →

  • Darf ich eigentlich auf dem #40c3 die weiten Strecken zwischen den Hallen mit meinen Unimog 2450 L 6x6 zurücklegen oder hat die Spaßfrei-Orga auch da wieder was dagegen?!

    Joram | 🫪@[email protected]♥ 20↻ 12026-10-31 16:46 UTCView post →

  • "In Hamburg zeigte eine von der Polizei veröffentlichte Auswertung, dass rund 99 Prozent der von der KI gemeldeten Situationen kein tatsächliches Problem darstellten. In Mannheim konnte die Polizei selbst nach acht Jahren Einsatz keinen ein

    Synapsenkitzler (Andrej)@[email protected]♥ 17↻ 172026-11-01 02:15 UTCView post →

#40c3 across platforms

every network with a public tag surface

Follow #40c3 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/40c3