Horse trough texture help

So I’ve got a farmhouse texture pack I put together from several others, it’s works great and I like it. Issue: the “woodwall01.dds” texture is now a like plaster type thing, think like covering a wall in a sealant that leaves a clay ish texture, which has been put onto the horse troughs. To change it I copied the model and edited the texture tree in nifskope but when overriding the model in a plugin I’ve got to a point where I need a “file hash” number and I have absolutely no idea how to find a way to get this for the copied and renamed alternate texture I made - I took a normal wood “woodwall01” texture and just changed the name and changed the file path to it but now need a hash number for that texture file. Any help is very much appreciated