I guess it is the date paper was uploaded to arXiv because date is
mentioned besides the arXiv identifier.

On Thu, Apr 25, 2019 at 12:24 PM Mikael Abrahamsson <swmike@swm.pp.se>
wrote:

> On Thu, 25 Apr 2019, Mohit P. Tahiliani wrote:
>
> > Hi Mikael,
> >
> > I see there is a date in this one (on the left, vertically written
> besides
> > the Abstract and Introduction).
> >
> > It is: '15 Apr 2019'
> >
> > Is that what you were looking for?
>
> *sigh* Yes, thanks. But is this actually the paper date or the date it was
> uploaded to arXiv?
>
> --
> Mikael Abrahamsson    email: swmike@swm.pp.se
>