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Verification paths
One question — four honest outcomes
The observed diff is accepted as a change of state; the cause remains unknown.
Sources
Source PassportA versioned source record describing ownership, legal basis, coverage, freshness, risk and collection-admission state. and version
Source admission is separate from found material; this source exists only as a test fixture.
Synthetic fixtureA deterministic record created for repeatable testing that represents no real person or event.source:public-data-change
Synthetic versioned register
- Owner
owner:reference-methodology- Access method
- fixture
- License
- CC0-1.0-synthetic
- Risk tierA category determining the required authorization, isolation, review and human oversight for a source or operation.
- R0
Coverage
Two immutable snapshots, bounded pagination and a deterministic diff.
Rights basis
Synthetic public fixture; no real person, organisation or event.
Source versionA source state fixed at a point in time with a digest, locator and change description.source-version:public-data-change-001
Version observed
sha256:synthetic-v1
Initial immutable synthetic snapshotAn immutable control copy of an open dataset or page at a defined point in time..
Source versionsource-version:public-data-change-002
Version observed
sha256:synthetic-v2
Second immutable synthetic snapshot for comparison.