#3brown1blue

Live, measured metrics for the hashtag #3brown1blue 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 #3brown1blue

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 #3brown1blue — $10.85/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
8
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 8
0
Avg reactions / post
Mastodon · last 8

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 22:26 UTC
0
07-22
0
07-23
0
07-24
0
07-25
0
07-26
0
07-27
0
07-28

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 2026-07-28 22:26 UTC
#3blue1brown
0 uses · 0 accounts / 7d
#3blue_1brown
0 uses · 0 accounts / 7d
#3brown_1blue
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 22:26 UTC

Everything below is measured over the latest 8 public posts (spanning ~26333 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: Japanese (6) · English (2)

Avg boosts / post: 1

Top of the latest posts

  • Reinventing Entropy - part 1 https://www.youtube.com/watch?v=l6DKRf-fAAM #3brown1blue #shannonentropy #compression

    Alexandre B A Villares ☔🐍@[email protected]♥ 0↻ 02026-07-01 12:26 UTCView post →

  • This open problem taught me what topology is [video] https://www.youtube.com/watch?v=IQqtsm-bBRU #ycombinator #Mathematics #three_blue_one_brown #3blue_1brown #3b1b #3brown1blue #3brown_1blue #three_brown_one_blue

    :rss: Hacker News@[email protected]♥ 0↻ 02024-12-25 07:31 UTCView post →

  • Why 4D geometry makes me sad [video] https://www.youtube.com/watch?v=piJkuavhV50 #ycombinator #Mathematics #three_blue_one_brown #3blue_1brown #3b1b #3brown1blue #3brown_1blue #three_brown_one_blue

    :rss: Hacker News@[email protected]♥ 0↻ 22024-11-08 20:45 UTCView post →

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/3brown1blue