01
Conservative normalization
When a field can't be reliably mapped it stays UNKNOWN. The residual is what remains after only confident inferences; permissive mapping would launder noise into region or bundle and understate the finding.
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EXHIBIT B · CANONICAL SKU REGISTER
How interchangeable is each SKU?
A low residual means the market agrees on price given observable features. A high residual means it doesn't — and the SKU is a poor benchmark target.
RETRIEVING REGISTER…
APPENDIX · FILE NOTES ON LIMITATIONS
02
Quoted, not transacted
Enterprise transaction prices likely compress dispersion. Gated benchmarks like Ornn's OCPI measure the other side of this gap.
03
Short sample
The cron continues to collect; residuals will move as data accumulates and the range will narrow over the next few weeks.
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