#cavern

Live, measured metrics for the hashtag #cavern 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 #cavern

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 #cavern — $520.70/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
2.3
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 2026-10-24 02:09 UTC
0
10-18
0
10-19
0
10-20
0
10-21
0
10-22
0
10-23
0
10-24

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 2026-10-24 02:09 UTC

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-24 02:09 UTC

Everything below is measured over the latest 40 public posts (spanning ~12180 hours).

Posting hours (UTC) — busiest: 16:00

00:0012:0023:00

Languages: English (21) · French (2) · Czech (1) · Spanish (1)

Avg boosts / post: 2.7

Top of the latest posts

  • Cavern Of Lost Souls, Wales. A narrow opening in this old slate mine has allowed decades of illegal dumping of cars and household appliances. The water is an ominous turquoise, filled with a toxic cocktail of leached chemicals. #Wales #Aban

    Obsidian Urbex Photography@[email protected]♥ 69↻ 632026-01-22 00:20 UTCView post →
  • Yesterday we were in Barbados, docked in Bridgetown, and we took a tour with a local company inland to visit Harrison's Caves, formed from sea sediment build-up over millions of years then forced upwards and eroded by rain. Some cathedral-l

    Mark H@[email protected]♥ 16↻ 52025-10-25 13:43 UTCView post →
  • A fantastical dive in Saipan... If this looks off to you, your intuition is correct. This is a split capture (or over/under) of "The Grotto" in Saipan. A collapsed cavern with tunnels to the open ocean. A truly amazing place and experience.

    Ryan B Framed@[email protected]♥ 1↻ 92026-05-20 13:31 UTCView post →

What “cavern” means

Wiktionary · Wikipedia

cavern/ˈkæv.ən/

  • nounA large cave.
  • verbTo form a cavern or deep depression in.
Full entry on Wiktionary →

Caves and caverns are natural voids under the surface of the Earth and have also been observed in other rocky worlds. Caves often form by the weathering of rock and can extend deep underground. Exogene caves are smaller openings that extend a relatively short distance underground. Caves which extend farther underground than the opening is wide are called endogene caves.

“Cave” on Wikipedia (CC BY-SA) →

#cavern across platforms

every network with a public tag surface

Follow #cavern 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/cavern