PRVKE 31L V4

What survives the pipeline

Data flow

The same product, represented five times. Each arrow is clickable and shows the fields that survived, disappeared, were transformed, or were added by Shopify.

Pipeline
Clickable stages (open the facts) and transitions (open the field-level diff).
Transitions below are computed from the 42-field source matrix and the fact ledger.

Merchant Truth

150

PDP, JSON-LD, merchant docs and support pages.

fields
32
survive
5
disappear
27
transformed
0
added
0
facts
150

Public Shopify Data

108

Product JSON, embedded theme/app state, sitemap.

Terminal layer: 108 inferred facts.

Storefront Catalog

33

Merchant-scoped UCP catalog representation.

fields
7
survive
3
disappear
4
transformed
1
added
11
facts
33

Global Catalog

33

Cross-merchant UCP representation + seller offers.

fields
10
survive
10
disappear
0
transformed
0
added
11
facts
33

Shopify Inference

11

Generated/enriched fields, not merchant-authored.

Terminal layer: 11 inferred facts.

Clickable transitions
Merchant → Storefront and Merchant → Global are the two comparisons that matter. Every field traces back to fact rows.

Merchant semantic fields retained by the Storefront Catalog representation.

  • Pro Photography Bundle availability (out of stock)PARTIAL
  • SKU (PK31-BK-4 and siblings)EXACT
  • Image countPARTIAL
  • CollectionsEXACT
  • Canonical URLEXACT
Layer totals
Fact counts per provenance label. A fact belongs to exactly one label.
MERCHANT_AUTHORED 150PUBLIC_SHOPIFY 108STOREFRONT_CATALOG 33SEARCH_ENGINE_OBSERVED 24GLOBAL_BASE 22GLOBAL_INFERRED 11SELLER_OFFER 11

32 merchant-authored facts are the benchmark; the catalogs retain a fraction of the semantic fields those facts describe.