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Waveforms
An interactive, educational guide to the physics of sound [Web App]
verified Jul 13, 2026 · HTTP 200
CohortClass of 2018What it is
An interactive, educational guide to the physics of sound [Web App]
HTTP liveness
15 probes since Jun 11Jun 11Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 14, 2026Back onlineAlive · 200 OK
- Jun 12, 2026Probe inconclusiveUnknown
- Jun 11, 2026First probe — liveAlive · 200 OK
Moat
None apparent
weak · 0.70 confidence
Text classification · Jun 2026
Discussion 0 comments
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Pulse Indexobserved activity
15 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2018weekly
2,435 products launched in 2018 · 100% still active
2,425 active10 sunset
Still active
100%
Median lifespan
4.9y