diff out/period_table_v2_T7.txt claim_copy/period_table_claim_T7.txt (= copy of the claim's outputs/period_table.txt):
  identical (29 lines incl. header)
diff out/period_table_v2_T12.txt out/period_table_claimscript_T12.txt (claim's period_table.py run with T=12 in my scratch copy):
  identical (232 lines incl. header)
74a4e8a629d0a2671cac24976b3f5386
74a4e8a629d0a2671cac24976b3f5386
  (the copy equals the claim's file)
