#retrospace

Live, measured metrics for the hashtag #retrospace 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 #retrospace

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 #retrospace — $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
17
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 17
0.6
Avg reactions / post
Mastodon · last 17
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-08-02 07:44 UTC
0
07-27
0
07-28
0
07-29
0
07-30
0
07-31
0
08-01
0
08-02

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 2026-08-02 07:44 UTC
#retrospacegame
0 uses · 0 accounts / 7d
#retrospacevehicle
0 uses · 0 accounts / 7d
#retrospaceflight
0 uses · 0 accounts / 7d
#retrospace47
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-02 07:44 UTC

Everything below is measured over the latest 17 public posts (spanning ~45819 hours).

Posting hours (UTC) — busiest: 02:00

00:0012:0023:00

Languages: English (10) · German (6) · Spanish (1)

Avg boosts / post: 1.1

Top of the latest posts

  • One more retro SSTO Lander, this time with the classic loading crane at the top, and a mechanism for on-demand landing pads: https://www.nasa.gov/general/instant-landing-pads-for-artemis-lunar-missions/ https://spectrum.ieee.org/nasa-lander

    krismur@[email protected]♥ 3↻ 32026-06-04 02:41 UTCView post →

  • More messing around with retro-style rockets, this time exploring SSTO takeoff/landing in an atmosphere. The shuttlecock effect on descent seems to rule out the classic huge tail fins, but I'm trying to go for something similar enough. #leg

    krismur@[email protected]♥ 3↻ 32026-06-04 02:38 UTCView post →

  • Been messing around with retro/pulp-style rocket ideas. Started with the one on the left, but I felt like the propellant fraction was way too low, so I switched to the adapted Liberty Ship on the right. #lego #rocket #spaceship #spacecraft

    krismur@[email protected]♥ 3↻ 32026-06-04 02:38 UTCView post →

#retrospace across platforms

every network with a public tag surface

Follow #retrospace 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/retrospace