Impact Score data sources

Impact Score relies on a stack of structured sources. Each source is tagged with provenance and freshness metadata to keep the score auditable.

Typical sources

• Manufacturer technical sheets.
• Public eco-databases (repairability, recyclability).
• Certification bodies and regulatory registers.

Validation rules

• Data must be traceable (link or reference ID).
• If conflicting values exist, we keep the most recent verified source.
• Missing attributes trigger a data quality penalty.