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Principia Cybernetica Web
An online resource dedicated to developing a comprehensive cybernetic and evolutionary philosophy
verified Jul 12, 2026 · HTTP 200
CohortClass of 2016What it is
An online resource dedicated to developing a comprehensive cybernetic and evolutionary philosophy. The platform synthesizes concepts from systems theory, evolution, and cybernetics into an integrated knowledge framework. Designed for researchers and philosophers seeking to understand complex adaptive systems.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2016weekly
13,657 products launched in 2016 · 100% still active
13,633 active24 sunset
Still active
100%
Median lifespan
4.9y