The chest works fine. stores items properly, no crashes pumping items I/O, but once you open it, certain slots are invisible, but the items are present there, and they can be pulled out.

Relogging into the server, does seem to fix the issue, until there is no activity in the chest, as soon as more items are I/O the glitch reappears.

AFTER RELOG

NOTE: Also seems the slots that are invisible, once shown do not display their amount, ie. no item count number is show.

Thanks for the report =P
this behavior happen in single player or in server?
edit: it shouldn't sort the content after a relog.

Seems to be server sided, SP works fine

in SinglePlayer

the Compressed Chest is behaving the same way?
It appear to be some mismatch between the server and the client, since it is my first mod that add items/blocks, I wasn't aware about this, thanks, hopefully I will fix this today =)

Compressed chest seems to work fine

thanks, this helps a lot, now i know that i only need to fix the Infinity Chest =)

been fixed since version 1.0d