This seems to work for me:

#+DATE:  %Y-%m-%d



Shripad
Tucson, AZ


On Wed, Mar 20, 2013 at 7:21 AM, Bastien <bzg@altern.org> wrote:
Hi Eric,

Eric S Fraga <e.fraga@ucl.ac.uk> writes:

> This appears to work:
>
> #+TITLE: The title {{{modification-time(%Y-%m-%d)}}}
>
> Look in the info manual, (org) Macro replacement.
>
> "date" instead of "modification-time" should work but doesn't for
> me.

{{{date}}} will only work if #+DATE: is set.

For other users, use {{{modification-time(...)}}} or {{{time()}}}

(And yes, this will be documented...)

--
 Bastien