CommunityJev Integrations & Adapters
Pick Verify
A warehouse pick-verification step that compares a scanned item, the bin's expected contents, and the order line to decide between accept and re-scan, catching confusable picks a barcode alone would pass.
- Published by
- Community
- Author
- Robotic Pick
- Last verified
- Oct 2026
- Languages
- Python
- Capabilities
- Open sourceRequires API key
Highlights
- Adds a description-level judgment on top of the scan code to catch confusable picks.
- Returns accept or re-scan and never commands robot motion, which stays in the controller.
- Reports a 96 ms median against a 150 ms scan-cycle budget on a 5,000-pick replay.
- Ships the confusable pairs it is meant to catch as part of the labelled replay.
Watch out
A station-level verification aid beside the existing control loop, not a motion controller; it should be evaluated on the included replay before it gates live picks.
Questions about this entry
Short answers drawn from the linked project or page.
After a robotic pick, it compares the scanned item, the bin's expected contents, and the order line, then decides whether the pick matches or needs a re-scan, catching the confusable cases a barcode alone misses.
Mis-scans happen when two items share a family and a worker grabs the wrong size. The verifier adds a judgment on the item description and the order line that a scan code cannot make.
Those move a body or an arm. This one is a verification step at the pick station, deciding whether to accept or re-scan, and it runs beside the existing control loop rather than replacing it.
In the robot's own controller. The tool returns a verdict and never commands motion, so a wrong pick becomes a re-scan instruction in the warehouse system, not an arm movement decided by a model.
It runs at station pace, and the README reports a 96 ms median on a replay of picks with a wall-clock budget of 150 ms to stay inside the scan cycle.
Python 3.12, a TypeSafe key, and a pick-event stream. A replay of 5,000 labelled picks is included, including the confusable pairs the verifier is meant to catch.
Reactions & coverage
Posts, threads, and videos about this entry from around the web.
Hacker News: Pick Verify: a single decision at the warehouse pick station catches confusable picks.
Show HN: Verifying robot picks with a decision modelRead the thread on Hacker NewsReddit: Localization QA with a decision model: meaning, terminology, and placeholders as separate checks.
X: A dual-arm robot with Jev in the middle layer
YouTube: Dan Makes Things drives an ESP32 robot with Jev decisions.
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