Research question
Did the synthetic public register change between two versions?
Synthetic data only · case:synthetic-public-diff
Public-data change
Did the synthetic public register change between two versions?
syntheticpublic-datadiffA deterministic comparison of two versions that shows an observed difference, not its cause.Synthetic reference fixture
- Case status
- Investigating
- Data class
- synthetic
- Last updated
Verification paths
One question — four honest outcomes
Overview
Verifiable brief
The question is defined before search and the conclusion boundary is stored separately.
Conclusion boundary
The observation applies only to the two snapshots and complete pages available at review time.
Audit chainA log where every event is linked to the previous event hash, making later undisclosed alteration detectable.
Decision timeline
- Source PassportA versioned source record describing ownership, legal basis, coverage, freshness, risk and collection-admission state.Synthetic fixtureA deterministic record created for repeatable testing that represents no real person or event.
source:public-data-change - ClaimAn atomic, verifiable statement linked to evidence, a coverage envelope and separate human assessment dimensions.The second synthetic register version changed one record's status in the checked interval.
claim:public-data-change
Audit chain verified · 13 events · sha256:synthetic…