Something I've seen some people do is write research bulletins, something like personal technical notes, that summarise findings on a topic in some degree of rigour, but without attempting to be comprehensive in the way that makes writing papers for peer-reviewed publication so time-consuming.  The progress reports that Harvey Frideman used to send to the Foundations of Mathematics mailing list would be a good exemplar of that kind of thing, e.g., [Self-contained posting 82: Simplified Boolean Relation Theory][1].

Starting such a bulletin series to deal with this, and then posting an excerpt here seems like a good strategy, since it allows you to quickly identify your achivements, while being in control of what details you make public.

I don't recommend regular blog posts for this, since they carry some unwanted associations, that they are conversational, open to revision, and not properly referenceable documents.  Writing in a form for publication on Arxiv would make sense, but a *Research Notes* section on your publications page linking to an html page would be OK, I think.


  [1]: http://cs.nyu.edu/pipermail/fom/2000-March/003868.html