Annotations Not Syncing Across Copies of a PDF
Hypothesis unifies annotations across copies of PDFs based on a “fingerprint” (unique ID) that is created by authoring tools. The...
Hypothesis is not working on a particular page. What could be happening?
Here are some common reasons: An ad blocker or other extension is causing a conflict. If you have other extensions...
The contents of a web page I annotated changed and my annotations are gone. What can I do?
Your annotations are safely stored in a Hypothesis server, but if the text to which they anchored has vanished, Hypothesis...
The web page I annotated has moved to a different URL and my annotations are gone. What can I do?
Your annotations are safely stored in Hypothesis’ servers. Users: Your annotations are safely stored in Hypothesis’ servers. To view them,...
Why can’t I log in to a website using Via?
It would be against best practices for a website to allow you to login through the Via proxy, since your...
Canvas File Picker Button is Missing
If you correctly entered Canvas Developer credentials during the LMS app install process, you will see a “Select PDF from...
How to send us your environmental information
From time to time it may be helpful if you can communicate the details of your environment with us. These...
Why can’t I find my PDF annotations?
How can I see my PDF annotations in context? When you add annotations to a PDF, you’re able to go...
How Do I Rotate a PDF in Hypothesis?
Hypothesis uses the PDF.js viewer, which is the same PDF viewer used in Firefox. This viewer contains controls that allow...
Canvas Course Import and Hypothesis
Most Hypothesis readings in Canvas now have compatibility with Canvas’ Course Import tool. If your Assignment or Module was created using...
Fixing a Broken Canvas File Link
You may see an error when opening a Hypothesis Canvas assignment: Hypothesis couldn’t find the file in the course Students...
Re-Upload a PDF to a Canvas Course
Occasionally you may see an error when opening a Hypothesis Canvas assignment: Hypothesis couldn’t find the file in the course. Students...
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