Jonathan,
sorry to be slow.
I looked briefly at the CDs.
One of the problems I have which is a blocker is that you do not provide a CDComment with:
I'm also missing a cdg file if we want to make it a group (which is sensible!).
Your CD files don't contain the right namespace declaration in the root element, this has to be fixed (xmlns="http://www.openmath.org/OpenMathCD"). Similarly, each OMOBJ requires a (different) namespace.
A good test could be to try to apply the XSLT:
http://svn.openmath.org/www/cdfiles2/xsl/cd.xsl
I have corrected Simplicial-Sets and the results seems not too bad:
http://klein.activemath.org/~paul/tmp/Simplicial-Sets.xhtml
http://klein.activemath.org/~paul/tmp/Simplicial-Sets.ocd
at least as a first step, the next being to enrich the rendering so that a good notation is used.
paul
I have added a new version of the Content Dictionaries because the previous ones have some problems.
The current version is in the file Content Dictionaries for Algebraic Topology.rar