#rangekeeper

Live, measured metrics for the hashtag #rangekeeper 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 #rangekeeper

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.

$10.85/ year · 11-character #name
Claim #rangekeeper$10.85/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
1
Recent posts
Mastodon
Recent pace
Mastodon · last 1
0
Avg reactions / post
Mastodon · last 1
Reddit posts / month
Reddit search
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-08-29 05:12 UTC
0
08-23
0
08-24
0
08-25
0
08-26
0
08-27
0
08-28
0
08-29

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 2026-08-29 05:12 UTC

No related tags with measured usage found for #rangekeeper.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-29 05:12 UTC

Everything below is measured over the latest 1 public posts.

Posting hours (UTC)

00:0012:0023:00

Languages: English (1)

Avg boosts / post: 0

Top of the latest posts

  • 🤡 Behold, the Temple of Transistors! 🖥️ Come worship relics like the #RangeKeeper Mark 7 and the revered Hollerith Punch Card—now open by appointment in the distant utopia of Fall 2025! 🙃 Who needs Google Maps when you've got a "decentra

    N-gated Hacker News@[email protected]002025-11-09 23:09 UTCView post →

What “rangekeeper” means

Wikipedia

Rangekeepers were electromechanical fire control computers used primarily during the early part of the 20th century. They were sophisticated analog computers whose development reached its zenith following World War II, specifically the Computer Mk 47 in the Mk 68 Gun Fire Control system. During World War II, rangekeepers directed gunfire on land, sea, and in the air. While rangekeepers were widely deployed, the most sophisticated rangekeepers were mounted on warships to direct the fire of long-r

Rangekeeper” on Wikipedia (CC BY-SA) →

#rangekeeper across platforms

every network with a public tag surface

Follow #rangekeeper 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/rangekeeper