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It looks like they are differentiating by Hitachi or TEC. Most I've seen says does not fit Hitachi or for TEC only. I've only seen a few that says for Hitachi.
At this point, going off the links I'd say you have a TEC distributor. I say that, because looking at the drawings the Hitachi has the coil built into it, and you can see the cap doesn't have a pole for a separate coil wire to attach to (built into the cap).
As to the fit or no fit, it might be a manufacturers fault (made wrong).
Thanks to all for your help. The OEM distributor rotor (Honda Part #30103-P08-003) fit (where the after-market BWD Part #D712P did not), and the job is complete.
I replaced the distributor rotor screw with a 5mm-.80 x 10mm coarse hex cap screw. If you're working on a '97 Accord DX, file that information for future reference!
I'll attach pictures of the old vs. new Honda distributor rotors and the hex cap screw vs. original screw.