Your plants look fine. Don't be afraid to look at the roots and replace the moss. The roots won't have root hairs at this stage. Please keep in mind that growing orchids from flask will require a lot of experience before you get consistently good results. You are going to spend a lot of money and a lot of plants are going to die. Also, you picked a species known to be difficult, so feel good about your results. I've had many flasks where I killed all of the plants.
I am going to post a photo my tigrinum, but keep in mind that I've been growing from flask for more than 40 years. These are the ones in the previous photos identified as 3 months out of flask.
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