If generally the texture is obtained from the index on the website, it is clear that there is a default name for the texture and later it can be retrieved and set back. But am I confused about these new objects and textures? How do I reuse the texture of this new object?

If you are have more than FindTextureFileNameFromCRC please tell us?
https://open.mp/docs/scripting/functions/FindTextureFileNameFromCRC