Not sure what that omitted portion would have clarified. Apache Arrow, at its core, is a memory model spec. Also, it appears that this project is using the of

Not sure what that omitted portion would have clarified. Apache Arrow, at its core, is a memory model spec. Also, it appears that this project is using the official Rust library which is developed in the same repo as all the other language implementations. So the simple statement that they're using Apache Arrow seems adequate.