Today's superblock is a second place, larger than our first record, smaller than last week's.
At 634 digits, this is from block 168912:

4671972729725352818122941149688795830368998253362115554837276881802333628717174 2452043367864623979884028668499412434355215700282247944506132121797379678999634 3146807090861190738742454232569941618189864683903326675169723070698409551818937 5221050541980536942301602739009515272908437015818063268988005118929691831130381 6089263962841268113114994000626351312774928523795646387116692243361325227122575 2639027031639590677238235001463520528469525508948854951738662011026294236894785 8319697456420704695819068953811745476317893342760661016016020194198635957129742 0634146813414364677014828568287912158992772479977781891115051345113517828553665 37

Thanks and let's keep them coming!

ps: this one took only 52 minutes