SAMPLES-LNM-22-002 fixtures

Excititor VEX observations demonstrating conflicting statuses for the same product/vulnerability.

• vex-observations.ndjson — three providers: not_affected (component_not_present), under_investigation, and affected.
• Includes linkset references and disagreements for downstream correlation.

Determinism: ordered by createdAt; hashes are placeholders; UTC timestamps.