The OTCshortreport isn't one of them - that is short volume not short interest. The OTCshortreport is for penny stock promoters to explain the depressed price.
Only the FINRA bi-weekly report provides the short interest - why do you think the OTCM uses the FINRA bi-weekly report.
You really need to learn about the trade cycle - and the difference between short volume and short interest.
So you have absolutely no proof that BMXC is being shorted.