It was designed Originally in 1962, Excellent Year, It is also titled "Floor Frame" If anyone else has anything to add, feel free.
Link to the exibit:
https://news.artnet.com/art-world/noguchi-sculpture-white-house-1925733
Link to Noguchi's website:
Im in the "Nothing is coincidence" catagory so I can sometimes look too deeply into something. Unless something is buried into the concrete I have no idea.