Take your rhythm with you.

Create your Brainprint on GrayPass, then paste its connection code here.

Already created a Brainprint? Return to its demo tab and choose Create a connection code. Reconnecting does not require a new Brainprint.

Connection code Observe timing and movement only on a tab I choose, and send derived summaries to GrayPass for comparison. No page contents or browsing history.

Local development

GrayPass server

CONTINUITY INDEX

-/ 100

Choose a tab to begin.

Uses your real activity. No actions are blocked or changed. Switching tabs or reloading stops observation; click GrayPass to start on your next page.

About this score

Experimental 0-100 engine index, not a calibrated identity probability. No score means there is not enough usable, current evidence. Camera is used only on the enrollment page in this version.

Companies using GrayPass choose what happens at each score.