Certificate of course completion
course version 1 · 3 units · ≈ 1.5 h
Server
verified
on the L-System server
L-SYSTEM · SERVER-VERIFIED EXAMINATION · NO AI ASSISTANCE · L-SYSTEM · SERVER-VERIFIED EXAMINATION · NO AI ASSISTANCE
This certifies that
has passed the closed-book examination for this course in a browser, on the L-System server. Course sessions are held in dialogue with an AI assistant; the examination is not.
How the examination was run
5 questions drawn at random from a bank of 75
45 s per question
no going back to an answered question
closed book, no AI assistant
Score
100 %
Passing score
60 %
Examination
5 questions
Issued
20 August 2026
Verification
Verification page
Certificate code
Case, spaces and hyphens are ignored.
Server signature
2026-08-20 13:57 UTC
What this document attests
The examination was taken in a browser, on the L-System server. Questions are never passed to an AI assistant and are published nowhere.
What it does not
The holder’s identity: the name was given at sign-up and is not verified by us. Current validity is on the verification page.