Again I feel this needs to be restated in regards to the Caps-A-Holic caps.
4k is the maximum picture resolution of a full 35mm cel. Techniscope only uses the full width. The height is exactly half the frame so its already pretty compromised (probably closer to Quad HD).
The majority of UA films released prior to June 13, 1967 had no opening logo. Simple as that.
GBU came out in December of 67 so I can't understand why there would be an argument.
Lets not ignore one big fact here:
At the end of the day, you will not get anything resembling 4k from these UHDs or those of any film shot in Techniscope. That resolution never existed in the first place. At best its a low 2 point something-er-other when Leone has his signature close-ups.