The general rule, the earlier the manuscript, the more accurate. So, the early papyri can validate the original reading for almost all of our textual variants.
DAILY DEVOTIONAL, SUNDAY, NOVEMBER 27, 2022 - Christian Publishing
PAPYRUS 5 (P5; P. Oxy. 208 + 1781) WESTERN TEXT TYPE (225 C.E.
PDF) Another Look at P.IFAO II 31 (P98): An Updated Transcription
PDF) Another Look at P.IFAO II 31 (P98): An Updated Transcription
PDF) Another Look at P.IFAO II 31 (P98): An Updated Transcription
File:Papyrus 3 - Austrian National Library, P. Vindob. G. 2323
How Many Second-Century [100 – 200 A.D.] New Testament Manuscripts
The Text of the New Testament Archives - Christian Publishing
TIL Papyrus 115 (which is the oldest preserved manuscript of the
Papyrus 90 (P90) Small Greek New Testament Fragment (John 18:36-19