#SHA1

Live, measured metrics for the hashtag #SHA1 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 #sha1

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 #sha1 — $2,449.80/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
0.3
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 2026-11-12 00:51 UTC
0
11-06
0
11-07
0
11-08
0
11-09
0
11-10
0
11-11
0
11-12

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.online (Mastodon public search API) · fetched 2026-11-12 00:51 UTC
#sha1hulud
0 uses · 0 accounts / 7d
#sha1sum
0 uses · 0 accounts / 7d
#SHA1Hashes
0 uses · 0 accounts / 7d
#sha1authentication
0 uses · 0 accounts / 7d
#sha1huludscanner
0 uses · 0 accounts / 7d
#sha4owm1rker
0 uses · 0 accounts / 7d
#sha1hulud2
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-11-12 00:51 UTC

Everything below is measured over the latest 40 public posts (spanning ~32563 hours).

Posting hours (UTC) — busiest: 19:00

00:0012:0023:00

Languages: English (33) · German (3) · Japanese (2) · Russian (1) · Spanish (1)

Avg boosts / post: 0.9

Top of the latest posts

  • #TechIsShitDispatch It's been more than a year since #Debian #Linux deprecated the insecure #SHA1 hash algorithm in #APT repositories. The #Keybase, #Slack, and #Dropbox repositories (I'm sure among others) are still using SHA1, and therefo

    Jonathan Kamens 86 47@jik@federate.social♥ 8↻ 92026-01-01 22:01 UTCView post →

  • A note regarding the use of #SHA1 in #SMIME in #Thunderbird. In short: You should no longer accept message signatures based on SHA1, and Thunderbird started rejecting them from version 115.0 by default, but as some environments apparently s

    Kai Engert 🔑✉️ (:KaiE)@kaiengert@mastodon.social♥ 2↻ 02023-11-02 14:21 UTCView post →

  • Seit mindestens 2015 ist klar, dass #SHA1 kaputt ist Seit 2022 sagt #NIST, man soll SHA1 nicht nutzen Seit 2025 ist angekündigt, dass #Debian SHA1 ab Februar 2026 nicht mehr akzeptieren wird. Und jetzt ratet mal, wer zum Stichtag immer noch

    adlerweb // BitBastelei@adlerweb@social.adlerweb.info♥ 1↻ 72026-02-10 11:14 UTCView post →

#sha1 across platforms

every network with a public tag surface

Follow #sha1 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/sha1