If that's the case, chances of finding your next node is tiny (0.1%) as there are 1,024 combinations of node patterns.
The chances of finding all eight nodes in the chain will be impossible.
I strongly suspect the nodes actually released by Bungie do not occupy the full phase space of shape permutations, i.e. Bungie did not release a full complement of 1,024 distinct nodes. I managed to find a user whose node is identical to mine--we verified that the rest of our information is also identical.
I strongly suspect they released a far smaller set, and use the flexibility of the forwarding protocols to obfuscate the low number of actual nodes in existence.
I've been in a ARG-cracking chat, and there've been three confirmed sets of overlaps so far: me & another guy, a four-way overlap, and another two-way overlap. Identical nodes having all identical other information has been confirmed in all cases.