DIFFLocal evidence historySourced facts · this browser · JSON export
What changed between observations?
Track an attributed fact from the desk, return after its source updates, then compare any two retained observations. Values, dates, methods, and source links stay attached to both sides.
- Server sync
- Never
- Retention
- 12 per series
- Requests here
- None
No retained observations
Track the first sourced fact.
Use Track evidence on a fact card in Ask or Today. The observation stays in this browser and appears here without another market request.