Revised answer follows (for added information, please see Team Update 2015-03-17): R1 requires that the ROBOT a Team uses in competition was built by that Team, but isn't intended to prohibit assistance from other Teams (e.g. fabricating elements, supporting construction, writing software, developing game strategy, contributing COMPONENTS and/or MECHANISMS, etc.)
~the Q&A
as far as I can tell, you're still fine to give out like, a claw arm or something, or at least help in building one... this rule leaves so much ambiguity though. a good example being that in 2011, my team made extra Minibots to give out because they were really good and easily deployed (one of them made it to Einstein, so I mean, technically 2046 is the first PNW team to make it to einstein

). I don't know if that would be legal under these rules, which to me seems to be crushing the principles of FIRST