SciPost
Doubling Down on Diamond
Symposium on the future
of academic publishing
22 September 2025
Jean-Sébastien Caux
Institute of Physics
University of Amsterdam
Institute of Physics
University of Amsterdam
Journals
- SciPost Physics
- SciPost Physics Core
- SP Lecture Notes
- SP Proceedings
- SP Codebases
- SP Comm. Rep.
- ...
~3500 publications
(up to now)
The 3 Pillars
Editorial workflow
Our business model
Our business model
The 3 key concepts
- PubFracs 🠈 ++important!
-
NAP
("Number of Associated Publications") -
APEX
Average Publication EXpenditures
APEX
\[
\mbox{APEX} = \frac{\mbox{€ operations}}{\#~~\mbox{publications}}
\]
Defined per Journal, per year
APEX
NAP
\[
\mbox{NAP} = \#~~\mbox{publications linked to an Org}
\]
"linked": affiliation, grant etc.
Defined per Org
PubFracs
Data accessibility
Organizations list page
Country-level data
Visualization tools
Finances
All our financial info:
scipost.org/finances/
Sponsors
Current list:
scipost.org/sponsors/
Current situation
Current situation
Doubling Down on Diamond
The SciPost Team
| J-S Caux | Founder Chairman Developer |
| Joost van Mameren | Secretary |
| Jasper van Wezel | Treasurer |
| Sergio E. Tapias Arze | Executive Director |
| Francesca Ferrari | Editorial Admin |
| George Katsikas | Developer |
| Kyros Megalos Adam | Production |