On Google: """what temp in C is pork safe at?"""

AI: 63C

First result: Five year old reddit thread (F only discussion, USDA mentioned).

Second result: ThermoWorks blog (with 63C).

Third result: FoodSafety.gov (with 63C)

Forth result: USDA (with 63C)

Seems reasonable enough to scan 3-4 results to get some government source.