Looking at the Dos_tests, there is a list of timestamps and nbits for the first 9 blockchain checkpoints. However only the first two match the actual timestamp/bits of the blocks. The next 7 have timestamps/bits that don't match the checkpoints. Is this intentional? If so, why has it been done?
11111 (1239852051,486604799) Y matching 33333 (1262749024,486594666) Y matching 74000 (1279305360,469854461) N 1281678674,469809688 105000 (1280200847,469830746) N 1296207707, 453179945 134444 (1281678674,469809688) N 1309640330, 437004818 168000 (1296207707,453179945) N 1329946277, 437006492 193000 (1302624061,453036989) N 1344491921, 436747465 210000 (1309640330,437004818) N 1354116278, 436527338 216116 (1313172719,436789733) N 1357902690, 436545969