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Followers
281
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🧰 Free analysis for Frédéric Grosshans
Known for
📊 Post engagement
4
Avg engagement / post
1.4%
Engagement vs followers
Dec 2022
On Mastodon since
🔥 Top post: L'une des quelques pascalines existante sera bientôt mise aux en · 14 likes + reposts
📊 Activity & format
Posting cadence
0.33 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 10 text · 2 image · 0 video.
Follower / following
0.7×
Follows 414 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
The thermostat in my office says “Hi !” 👋
#FriendlyElectronics #Heatwave
https://www.lemonde.fr/idees/article/2026/05/26/etudiants-etrangers-la-france-gagne-a-ouvrir-ses-portes-elle-perdra-a-les-fermer_6693845_3232.html
«Les titres de séjour doivent être renouvelés chaque année, ce qui produit des ruptures de d…
RE: https://mathstodon.xyz/@quantumjournal/116561705525883585
I’m very happy to have this work on multicopy state tteleportation with Michał Horodecki, Mio Murao, Tomasz Młynik, Marco Túlio Quintino, Michał Studziński and Satoshi Yoshida p…
RE: https://mastodon.social/@ZachWeinersmith/116404388621375591
I feel seen!
Dear Mastodon, I'm looking for an easy to use (preferably open source) mail app on android phone, and I'm sure you're the best set of people to ask for this kind of advice.
It should be usable for IMAP account, the configuration can be tec…
Quand @b3nb3n explique dans un séminaire qu«'on ne fera jamais de MS Word quantique», je commence à chercher une raison de faire un traitement de texte quantique.
What a fantastic tool!
https://marshdeer.github.io/xkcd2501-generator/
It looks like the exact opposite approach of Apple's touch Bar, but from Japan and 20 years earlier
Rules of the game:
* Grab the nearest book.
* Turn to page 42.
* Find the 2nd sentence.
* Post the sentence in a toot with the hashtag "page42" and write the rules as a comment to it.
* Don't look for your favorite, coolest or wittiest boo…
« Démocratie » est un mot grec, et non latin.
#page42
L’ANR qui demande les acronymes des projets Européens qu’on soumettra dans les 18 prochains mois, c’est nouveau ? Parce que c’est assez surprenant...
🐘 Community & instance
Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Dec 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 4 views per post.
📤Posts about 0.3× per week.
🕵️ Fake follower check
Estimated80/100
Excellent
Credibility score
97%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 97% real, active audience · Low fake-follower risk.
- Strong engagement (~1.4% of followers engage each post) — an active, real audience.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
A French researcher in quantum information, expressing his own views.
A few old toots at https://qubit-social.xyz/@fgrosshans
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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