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Why not call it SpheriCOW?

An improvement - but to get gov't funding, it has to be a straight-acronym name.

Maybe "Space Performance [something ... something] Optimization for Weightlessness"?

Space Packing Heuristic for Efficient Rearrangement of Enumerated Cattle Optimized for Weightlessness

This will confuse all Copy-On-Write FS developers.

Moooow!