You can often import the .splinecode or .spline file directly into the Spline App to see how the "splines," materials, and interactions were built.
While there isn't a widely published academic paper specifically titled with that exact filename, the name suggests a asset or scene developed by a creator named Jayce . Contextual Breakdown s p l i n e VR.JAYCE.zip
Many creators on platforms like Behance or Dribbble post their Spline projects; searching for "Jayce Spline 3D" on those sites might lead you to the original project page or tutorial. You can often import the
It likely contains a folder with index.html , js files, and a scene.splinecode file. and a scene.splinecode file.