Hard to say where, exactly, this hybrid falls. Ours have held the flowers all together pretty long, so I'd say it leans more toward the Coryopedilum tendencies. These are first bloom seedlings and have had 2-3 flowers per spike. Once they mature, they could have more and could become more successive.
Just to split hairs, I consider the Cochlopetalums "successive", the Pardalopetalums "sequential", the Coryopedilums are the "true multiflorals". But, hey, to make sure everyone's on the same page, they have those fancy names we can use (Cochlo, Pardalo, and Coryo...). TK schooled me on this once, and I totally agree with the reasoning...
Cochlopetalums open one after the other, BUT usually there is one (or very few open) at any given time. One king has to die before he is succeeded (unless there is a leadership war or something), right? From dictionary.com: To come next in time or succession; follow after another; replace another in an office or a position.
Pardalopetalums, like lowii and friends, open sequentially somewhat gradually, and they all stay open together. From dictionary.com: Forming or characterized by a sequence, as of units or musical notes. Notes on sheet music don't disappear once played.
(of course you might find sequential and successive listed as synonyms in some places, so don't ream me out over this).
Coryopedilum multiflorals, like roths et al, get big fat buds, then they open from the bottom up, but relatively fast and hang out together for a while.
Just my silly 2 cents FWIW.
-Ernie