Derivation Web

source_5bebcfe9b8dd48ef

# Source literature boundary memo

## Research question

Across retrieved source-level receipts for supply chain, which metrics, settings, or contrasts carry directional support versus caveat evidence, and what matched design remains untested?

## Selection criteria

The source-literature selector kept supply chain because the candidate bundle met the public source rule: 5 citable papers, 5 distin…