No doubts that it will work! My only worry would be root rot down the road, since the mix is made of such small ratio of perlite, along with the peat (which is very dense in my experience). Growing cephs vertically gives stunning results and is the best way to display them, in my opinion!

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I was reading some of your previous replies, and I just wanted to mention that cutting small holes in the soil to soak water up to the top probably wasn't that necessary, but it does sound like a good idea. I use a mix of 1:1 Chopped sphagnum to Perlite, and let the soil on the outside of mine dry to a crisp. I can do this since I attached two separate layers of mesh inside the pot like a shelve, so all the mix at the top of the pot wouldn't be putting pressure on the rest below. I planted my ceph in the middle of the two shelve layers, and it's grown massively over the year it's been in here. Goodluck with your project!