I investigated them.
So, I think "AZTECHSAT-1 = 45261".
[in Space-Track]
OBJECT RC 45259U 98067RC
CRYOCUBE 45260U 98067RD
AZTECHSAT-1 45261U 98067RE
[in SatNOGS DB]
AZTECHSAT-1 45261U 98067RE
[in DK3WN status]
AZTECHSAT-1 45258U 98067RB
[in PE0SAT site]
CRYOCUBE 45259U 98067RC