Evidence contract
A number without context is not a result.
This page shows the information that belongs beside an observation. Values below are field labels and state examples—not live prices, rates, performance or recommendations.
Attached to every result
The evidence panel
- SourceRequired
Named provider and applicable attribution
- ObservationRequired
When the underlying value was observed
- RequestedRequired
When this view asked for it
- UnitRequired
Currency, percentage, index or another defined measure
- CoverageRequired
Expected, received and any missing observations
- MethodRequired
Window, costs, assumptions and version
An actual connected tool must populate these from verified provider and calculation state. This preview does not.
Failure is a state
Available. Partial. Stale. Unavailable.
Available
The required context is present and the observation is within its stated freshness rule.
Partial
Some expected coverage is missing and exactly what is absent remains visible.
Stale
The last known observation is labelled with its age; it is never presented as current.
Unavailable
No value or signal is invented. Selection and inputs remain recoverable for retry.