The Library, Measured
Every claim in the AI Library cites a source, so the library can be audited by counting. Every number on this page is computed from the entries at build time.
Generated 2026-10-07
2996 entries
3523 cited sources
100% entries with a primary source
14652 cross-links
1878 topic tags
Entries per year, 1818 - 2026
The shape of the field itself: a long quiet century, a research era, and the post-2012 explosion. 707 undated entries (people, concepts) not shown.
By collection
Source types
What 3523 citations actually point at.
By tier: 3501 primary, 13 aggregate, 9 secondary. Every entry must cite at least one primary source - the build fails otherwise.
Most cited entries
The ideas the rest of the library leans on, by inbound cross-links.
- Large Language Model 348
- Deep Learning 234
- Computer Vision 148
- OpenAI 146
- AI Agents 139
- Reinforcement Learning 136
- Machine Learning 135
- Transformer 130
- Neural Network 125
- Robotics 116
Top source domains
Where the primary sources live.
Verification freshness
Every entry records when its sources were last checked.