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Periscopic Mask & Adapter
A safety-enhanced full-face snorkeling mask featuring dual mirrors for improved visibility and a built-in adapter for mini air tanks
last checked Jul 12, 2026 · HTTP 403
CohortClass of 2026What it is
A safety-enhanced full-face snorkeling mask featuring dual mirrors for improved visibility and a built-in adapter for mini air tanks. Designed for adventure, sport, and rescue applications with 26 safety modifications.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 12, 2026Probe inconclusiveCloudflare block
- Jun 23, 2026Back onlineAlive · 200 OK
- Jun 21, 2026Probe inconclusiveCloudflare block
- Jun 19, 2026Back onlineAlive · 200 OK
- Jun 16, 2026First probe — unverifiedCloudflare block
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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 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y