Standards.

How a catalog should describe itself.

A shopping channel reads a product listing before any person does. These documents specify what it needs to find there — field by field, each one grounded in the regulation that governs it.

Free to read. Free to cite. Spec text under CC-BY 4.0, machine artefacts under CC0.

Published.

Live now.

• Foodv1.0 release candidate — freezes 2026-09-227 fields covering identifiers, allergens, ingredients, origin, net content, shelf life and certification. Each cites a primary regulator.

  All versions · Change log

Not yet written.

Other verticals.

Food is the vertical we work in most closely, so it is the one we can specify honestly. The others are listed for completeness, not as a commitment to a date.

• Beauty — INCI encoding. No published date.
• Apparel — Materials and care. No published date.

Using this work.

Quote it, cite it, build on it.

How to cite carries worked examples in five formats and explains which URL form to use. About covers who reviews this, on what cadence, and what the URL stability guarantee actually promises.