OCG-Industries Showcase · Cluster ⑫ Physical Supply-Chain and Goods Provenance

Anti-Counterfeit
Consumer Verification

Enter the GTIN and serial printed on the item, the seller's stated model, the model on the item's digital product passport, and, if you have one, the passport digest from a previous run. This tool checks four independent signals: the GTIN checksum, whether a serial is present, whether the two model names match, and whether the passport digest matches what you have on record, then counts how many hold. A consistent result means the printed identifiers line up with the passport values you entered. It is not proof the item is genuine: a counterfeit that copies a real identifier will look consistent too, which is exactly why the digest reference matters when you have one.

Data: GS1 General Specifications · Regulation (EU) 2024/1781 (ESPR)

What's Printed on the Item STEP 1

Scanned GTIN 8, 12, 13, or 14 digits, mod-10 check digit

Scanned serial

Seller declared model

What the Passport Says STEP 2

Passport model

Expected passport digest (optional) Leave blank if you have not run the passport tool for this item

Status

—

Consistent, partial, or inconsistent

Signals Aligned

—

Of 4 independent checks

Digest Check

—

Match, mismatch, or no reference

Detail

GTIN valid—

Check digit expected—

Check digit entered—

Serial present—

Model match—

Scanned digest (mutation detector, not a cryptographic digest)—

Digest check—

Signal count—

Status—

Policy Mandate v2.0 · what is this?

Anti-CounterfeitConsumer Verification

Anti-Counterfeit
Consumer Verification