It totally depends on the instance: Was it a piece of atomic data at the system of generation? Likely SoR Was it an aggregated/mastered/other data? Likely Sou

It totally depends on the instance: Was it a piece of atomic data at the system of generation? Likely SoR Was it an aggregated/mastered/other data? Likely Source of Truth SoR = Where it came from SoT = Where you get it from