#blackheart

Live, measured metrics for the hashtag #blackheart 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 #blackheart

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 #blackheart — $23.52/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.6
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-10-15 07:37 UTC
0
10-09
0
10-10
0
10-11
0
10-12
1
10-13
0
10-14
0
10-15

1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mas.to (Mastodon public search API) · fetched 2026-10-15 07:37 UTC
#blackheartedbrother
0 uses · 0 accounts / 7d
#blackhearthealth
0 uses · 0 accounts / 7d
#blackheartsmatter
0 uses · 0 accounts / 7d
#blackheartsecurity
0 uses · 0 accounts / 7d
#blackheartedlove
0 uses · 0 accounts / 7d
#blackheartgang
0 uses · 0 accounts / 7d
#TheBlackheartCollective
0 uses · 0 accounts / 7d
#blackheartpub
0 uses · 0 accounts / 7d
#blackheartarchive
0 uses · 0 accounts / 7d
#blackheartivorybones
0 uses · 0 accounts / 7d
#blackheartman
0 uses · 0 accounts / 7d
#Blackhearth
0 uses · 0 accounts / 7d

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-10-15 07:37 UTC

Everything below is measured over the latest 40 public posts (spanning ~27957 hours).

Posting hours (UTC) — busiest: 15:00

00:0012:0023:00

Languages: German (19) · English (15) · Dutch (3) · French (1)

Avg boosts / post: 1

Top of the latest posts

  • Die ersten und letzten #Balkon Sunvivas werden reif. Die #BlackHeart #Chilis sind nur bei der Nachbarin voll #Früchte. Zum #Glück habe ich noch #Saatgut vom letzten Jahr. Mehr #Info auf: @opensourceseeds #Sunviva #Tomate #opensourceseeds #f

    Gebrauchskunst@[email protected]♥ 14↻ 32025-10-19 13:21 UTCView post →

  • Möge der Geist der Freiheit mit uns sein. Ein kleiner Vorgeschmack auf das Umweltfestival am 07.06.26 Freies Saatgut + Freie Software #FreiesSaatgut #FreieSoftware #Umweltfestival #SaatgutwieSoftware #OpenSourceSaatgut https://www.umweltfes

    Gebrauchskunst@[email protected]♥ 4↻ 22026-05-24 13:36 UTCView post →

  • Hypnovember Day 2 - Plants I drew Noire from Hyperdimension Neptunia, in her Black Heart form, entranced by some lovely flowers she found. I'm not entirely sure if this counts for Hypnovember or not. I don't think I made it clear in the dra

    HypnoMaidAlice@[email protected]♥ 4↻ 32025-11-05 06:20 UTCView post →

What “blackheart” means

Wikipedia

Blackheart is a character appearing in American comic books published by Marvel Comics, usually as an adversary to the superhero Ghost Rider. Created by writer Ann Nocenti and artist John Romita Jr., Blackheart first appeared in Daredevil #270.

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

#blackheart across platforms

every network with a public tag surface

Follow #blackheart 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/blackheart