# Packrift Catalog Cube Efficiency Atlas

Public Packrift reference for SKU dimensions, cube, reference dimensional weight, weight density, and snapshot price per cubic foot.

Canonical site: https://packrift.github.io/packrift-cube-efficiency-atlas/
Sitemap: https://packrift.github.io/packrift-cube-efficiency-atlas/sitemap.xml
Records: 2510

Important boundaries:
- Snapshot reference only; not a live quote, checkout promise, inventory promise, carrier invoice, supplier-cost disclosure, margin disclosure, customer record, or substitute recommendation.
- Reference dimensional weight uses a fixed divisor field named reference_dim_weight_lb_139 for comparison only.
- Use Packrift.com checkout or Packrift MCP for live price, inventory, shipping, and cart decisions.
- No account, login, API key, token, payment, or password is required to read the public files.

Primary files:
- https://packrift.github.io/packrift-cube-efficiency-atlas/data/cube-efficiency.csv
- https://packrift.github.io/packrift-cube-efficiency-atlas/data/cube-efficiency.json
- https://packrift.github.io/packrift-cube-efficiency-atlas/data/cube-efficiency.jsonl
- https://packrift.github.io/packrift-cube-efficiency-atlas/data/stats.json
- https://packrift.github.io/packrift-cube-efficiency-atlas/methodology.html

All SKU pages are listed in sitemap.xml.