What is Authoritative Source of Truth?
Single system-of-record dataset that the digital thread draws from for design, build, and service.

one master · rev C everywhere
An authoritative source of truth is…
Write it in your own words in the app.
In real work
Authoritative source of truth is PLM rev C. If MES shows rev B, stop the line and reconcile.
In the illustration
The master dial clicks to rev C; the design and service dials follow, the build dial lags on B, and a sync pulse from the master snaps it to C.
Decide in your shop-floor software which system is the authoritative source of truth for the part revision, and list the three places that currently disagree with it.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.





