#hydrophone

Live, measured metrics for the hashtag #hydrophone 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 #hydrophone

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 #hydrophone — $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
38
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 38
0.6
Avg reactions / post
Mastodon · last 38
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-26 08:10 UTC
0
09-20
0
09-21
0
09-22
0
09-23
0
09-24
0
09-25
0
09-26

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 2026-09-26 08:10 UTC

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-26 08:10 UTC

Everything below is measured over the latest 38 public posts (spanning ~79501 hours).

Posting hours (UTC) — busiest: 12:00

00:0012:0023:00

Languages: English (27) · French (7) · German (3)

Avg boosts / post: 0.9

Top of the latest posts

  • Ce matin, je suis allé enregistrer la neige qui fond dans les empreintes des animaux avant qu'elles ne disparaissent. #neige #snow #pyrenees #animals #empreinte #footprints #fieldrecording #montagne #mountain #hydrophone

    Bellanger Antoine@bellangerantoine♥ 7↻ 02026-03-11 14:55 UTCView post →
  • Ditz pour la 1ère soirée du Festival Les Indisciplinées, c'était mortel 🤘🏻 🔥 #Ditz #CalFrancis #postpunk #Hydrophone #Festival_Les_Indisciplinees #6novembre2025

    Pupuce à l'Ouest@[email protected]♥ 4↻ 12025-11-07 11:01 UTCView post →
  • Here's what air escaping from a melting ice cube in a bowl of water sounds like slowed down 75% :clippy: /////// #fieldrecording #sounddesign #hydrophone

    Tim@timkahn♥ 2↻ 02025-01-07 00:40 UTCView post →

What “hydrophone” means

Wiktionary · Wikipedia

hydrophone

  • nounA transducer that converts underwater sound waves into electrical signals, rather like a microphone
Full entry on Wiktionary →

A hydrophone is a microphone designed for underwater use, for recording or listening to underwater sound. Most hydrophones contain a piezoelectric transducer that generates an electric potential when subjected to a pressure change, such as a sound wave.

“Hydrophone” on Wikipedia (CC BY-SA) →

#hydrophone across platforms

every network with a public tag surface

Follow #hydrophone 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/hydrophone