version: 0.2-alpha
status: open-reference-model
boundary: not-a-standard-not-a-destination-feed
core:
  brand:
    - name
    - website
  identity:
    - product_group_id
    - variant_id
    - sku
    - gtin
    - mpn
  product:
    - title
    - description
    - category
    - product_type
  variant:
    - varies_by
    - option_values
    - colour
    - size
    - material
  offer:
    - url
    - market
    - price
    - availability
    - condition
    - seller_name
  media:
    - primary_image_url
    - additional_image_urls
surfaces:
  A: open-web-product-readability
  B: syndicated-commerce-readiness
  C: canonical-product-readiness