[46Bit]

https://nitter.net/condensed_the/status/1686895266329174016 claims a linear representation of the same data. Still no convincing discontinuity visible.

[IsTom]

Makes the dip around 250K even more visible.

[pja]

That is a fantastically weird temp / resistance chart.

Would semi-conductor like properties result in something like this - thermal noise pushing electrons into the band gap?