🤝
Make a deal with Center for Open Science
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
8.9K
Account age
2 yrs
💰 Suggested sponsorship rate
$50 – $81 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Center for Open Science
📊 Post engagement
7
Avg engagement / post
0.1%
Engagement vs followers
Oct 2023
On Bluesky since
🔥 Top post: 📅 Save the date! The Metascience 2027 conference will be held in · 18 likes + reposts
📊 Activity & format
Posting cadence
6.4 / week
Posts several times a week.
Content mix
Mostly text
Recent: 7 text · 1 image · 0 video.
Follower / following
62×
Follows 142 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Bluesky ↗
📌 Introducing the Metascience Bulletin Board—a new community resource from the Metascience Alliance.
Share funding opportunities, job openings, calls for collaborators, events, and more with the broader metascience community beyond your e…
NCI Data Jamboree: Enhancing Data Sharing & Utility to Advance Cancer Research
Nov 16–18, 2026
Researchers, postdocs, students, citizen scientists, patients, and advocates are invited to collaboratively solve problems using cancer researc…
⚠️ OSF Notice: We're experiencing temporary service interruptions that are affecting some OSF features and functionality. You can monitor the status here: https://status.cos.io/
If you continue experiencing an issue once all services are …
Rodrigo Alonso Reyes Cordova studies how political identity shapes public trust in science. His research record links the preregistered plan, data, scripts, and publication, giving readers a clearer basis for understanding, checking, and t…
Jolana Samii’s research focuses on psychological & behavioral factors that influence health & wellbeing, including sleep quality. Her connected research record links a preregistered plan, data, & a preprint so the work can be followed from…
As open science has matured, so has COS. On our blog, Executive Director @briannosek.bsky.social discusses how COS's strategy has evolved to support the growth of lifecycle open science and evaluating the effectiveness of open science to a…
💻 Upcoming OSF Essentials webinar: How to Use PIDs on the OSF
📅 July 30
Learn about persistent identifiers (PIDs) and how they help make connections between researchers, institutions, research outputs, and more.
📝 Register: cos-io.zoom.…
🦋 Handle & authenticity
✅ Domain-verified
@cos.io
The handle is the domain cos.io. On Bluesky a domain handle proves the owner controls that website — so this is verifiably the real cos.io account, not an impersonator.
On Bluesky since
Oct 2023
An early adopter from the invite-only beta (before the Feb 2024 public launch) — an original, established account.
💡 Facts
🗓️Joined Bluesky in 2023 — 2 years ago.
👁️Averages 7 views per post.
📤Posts about 6.4× per week.
🕵️ Fake follower check
Estimated44/100
Fair
Credibility score
73%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 73% real, active audience · Medium fake-follower risk.
- Low engagement (~0.1% of followers engage each post) — a sign of an inflated or inactive audience.
- Organic base — far more followers than accounts it follows.
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Our mission is to increase openness, integrity, and trustworthiness of research.
📧 Contact COS: contact[at]cos.io | OSF Support: support[at]osf.io
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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Frequently asked questions
How much does Center for Open Science charge for a sponsorship?
Center for Open Science hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Center for Open Science for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Center for Open Science, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does Center for Open Science have?
Center for Open Science has 8,854 followers on Bluesky.
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