Is there anywhere to find more specific information about difficulty-- eg. What is the current target value for candidate block hashes?
Bitcoin difficulty retarget after 2016 blocks that is about 14 days.
Bitcoin Network DifficultyBitcoin Difficulty Estimator gives you some estimators from difficulty, difficulty change, date of change.
Latest Block: 805822 (7 minutes ago)
Current Pace: 95.6800% (1439 / 1503.97 expected, 64.97 behind)
Previous Difficulty: 52391178981379.36
Current Difficulty: 55621444139429.57
Next Difficulty: between 53288155235640 and 53471903170891
Next Difficulty Change: between -4.1949% and -3.8646%
Previous Retarget: August 22, 2023 at 11:57 PM (+6.1657%)
Next Retarget (earliest): Wednesday at 1:52 PM (in 4d 3h 15m 57s)
Next Retarget (latest): Wednesday at 3:07 PM (in 4d 4h 30m 31s)
Projected Epoch Length: between 14d 13h 55m 40s and 14d 15h 10m 14s