No. The guidance is clear that technical issues are typically not classed as unexpected and uncontrollable circumstances, so cannot be used as a reason to support a PEC application. All students are responsible for ensuring they are familiar and practiced with the process of online submissions. This includes allowing ample time to deal with any technical problems should they arise, and validating your own submission was successful by acknowledging the Canvas ‘submission confirmation’ notice. If you did not see a Canvas ‘submission confirmation’ notice after you attempted your submission, then it is your responsibility to mitigate this issue immediately by following-up with appropriate actions. This includes but is not limted to, attempting the submission again, checking for correct format,size and location of work submitted, and contacting technical support services if and when appropriate.
However, only with evidence (e.g. time-stamped screenshots) to confirm that all reasonable actions had been taken to mitigate the issue before the deadline, and evidence to demonstrate that the cause of the issue was beyond your control, it may be possible to build a case to support making a valid PEC application.