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.
PDF) Another Look at P.IFAO II 31 (P98): An Updated Transcription
Papyrus 1 - Wikipedia
Papyrus 98 - Wikipedia
PAPYRUS 98 (P98) (P. IFAO Inv. 237b [+a]) Dating to About 150-175
Papyrus Manuscripts Archives - Christian Publishing House Blog
Papyrus 1 - Wikipedia
Papyrus 115 - Wikipedia
Papyrus 1 - Wikipedia
Papyrus 90 (P90) Small Greek New Testament Fragment (John 18:36-19
Revelation – Reading the Bible as Literature: a Journey
PAPYRUS 98 (P98) (P. IFAO Inv. 237b [+a]) Dating to About 150-175
Papyrus 90 (P90) Small Greek New Testament Fragment (John 18:36-19
Papyrus Manuscripts Archives - Christian Publishing House Blog
PDF) Another Look at P.IFAO II 31 (P98): An Updated Transcription
PAPYRUS 98 (P98) (P. IFAO Inv. 237b [+a]) Dating to About 150-175