E
DOMAIN
engineering.upenn.edu
Academic preprints First seen on HN · Jul 2026 · #3981 most-AI domain
— What we found
Articles from engineering.upenn.edu are almost always human-written.
engineering.upenn.edu has had 1 article reach the Hacker News front page. Pangram scored 0% of them as AI-generated, well under the Hacker News average of 14%.
AI verdict · all time
0%
Reliably human
Lower than most domains we track.
Human 0% Mixed 100% AI 0%
Articles analyzed
1
all-time on HN
Median AI score
35%
half of articles score higher
“Almost certainly AI”
0%
0 articles > 90%
“Likely human”
0%
0 articles < 10%
— Distribution
How AI scores spread
0–1010–2020–3030–4040–5050–6060–7070–8080–9090–100
HUMAN · 0–30%
MIXED · 30–70%
AI · 70–100%
— Trend
AI score by day
70 · AI → 30 · mixed →
earlierlatest
30d avg 35% Min 35% Max 35%
Trend ↑ rising
— Sample articles
At three score levels
Most AI-scored ≥ 70% AI
How Sea Stars Build Materials That Can See
Mixed 30–70% AI
How Sea Stars Build Materials That Can See
Most-human ≤ 10% AI
How Sea Stars Build Materials That Can See
— Peer comparison
engineering.upenn.edu vs. similar sources
Hacker News average 14%
scottwillsey.com 0%
cakehonolulu.github.io 0%
engineering.upenn.edu YOU 0%
nobie.com 0%
commondreams.org 0%