#hydrus

Live, measured metrics for the hashtag #hydrus 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 #hydrus

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.

$520.70/ year · 6-character #name
Claim #hydrus$520.70/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
10
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 10
0.2
Avg reactions / post
Mastodon · last 10
Reddit posts / month
Reddit search
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-01 06:40 UTC
0
08-26
0
08-27
0
08-28
0
08-29
0
08-30
0
08-31
0
09-01

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 2026-09-01 06:40 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-01 06:40 UTC

Everything below is measured over the latest 10 public posts (spanning ~72227 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (5) · German (2) · Afrikaans (1)

Avg boosts / post: 1.3

Top of the latest posts

  • Expedition uses small #underwater #drone to discover 100-year-old #shipwreck The underwater drone #Hydrus has located the wreckage of a 100-year-old coal hulk in the deep waters off the coast of western #Australia. Based on the data the dro

    Benjamin Carr, Ph.D. 👨🏻‍💻🧬@[email protected]102024-04-18 21:21 UTCView post →
  • we do some processing #hydrus

    neo@[email protected]102022-11-27 14:52 UTCView post →
  • @wtremmel Naja, eine E-Mail finde ich jetzt nicht so nützlich im Vergleich zum manuellen Ablesen am Zähler, was auch möglich ist. Der #Hydrus #Wasserzähler Version 1 hat allerdings keine Schnittstellen außer Funk. Da muss ich wohl noch 10 J

    Nielso@[email protected]002026-08-25 10:43 UTCView post →

What “hydrus” means

Wikipedia

Hydrus is a small constellation in the deep southern sky. It was one of twelve constellations created by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman and it first appeared on a 35-cm (14 in) diameter celestial globe published in late 1597 in Amsterdam by Plancius and Jodocus Hondius. The first depiction of this constellation in a celestial atlas was in Johann Bayer's Uranometria of 1603. The French explorer and astronomer Nicolas Louis de Lacaille cha

Hydrus” on Wikipedia (CC BY-SA) →

#hydrus across platforms

every network with a public tag surface

Follow #hydrus 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/hydrus