On 9 January 2013 17:49, Chris Muller <asqueaker at gmail.com> wrote:
>> But I understand your point -- but then I guess a digital sig really
>> is the proper solution then, since a "published" attribute could be
>> easily gotten around (which is why I see it as an artificial barrier).
>
> Not a digital sig, just a hash.  Which SM already has!!!

Hashing would do just fine. Excellent!

frank