The pin 1 of CD4071BE through a 10KOHM is connected to "0" gives me 1.44v on pin 1. The measured leakage current to "0" is 120uA. With a 47KOHM pull down resistor on pin one the output stays high at 3.78V.
CD4071BEs are purchased from Digikey and 4 of them are tested that give same results.
The leakage current doesn't match with the spec SCHS056D that it should be less than 0.25uA.