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Polygon Annotation Services
A data labeling service specializing in polygon-based semantic segmentation for training computer vision models
last checked Jul 15, 2026 · HTTP 403
CohortClass of 2026What it is
A data labeling service specializing in polygon-based semantic segmentation for training computer vision models. Handles complex, asymmetrical objects with pixel-level accuracy to enable machines to recognize intricate shapes in images. Designed for teams building robust object detection and recognition systems.
HTTP liveness
11 probes since May 23May 23Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 4, 2026Probe inconclusiveUnknown
- Jun 16, 2026Back onlineAlive · 200 OK
- Jun 13, 2026Probe inconclusiveUnknown
- May 23, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
82/4 signal families
Liveness40%0.20
Press30%no data
GitHub20%no data
Tranco10%0.00
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y