olf:provenance

OLF extensionProperty

Source and verified date for this one value.

Defined by

The OLF extension. How olf relates to schema.org

Used on

PriceSpecification, PropertyValue

Expects

olf:ValueProvenance

In the example feed

dataFeedElement[0].item.offers.priceSpecification[0].olf:provenanceFull feed

{
  "olf:provenance": {
    "@type": "olf:ValueProvenance",
    "olf:sourceType": "olf:InstitutionPublished",
    "olf:sourceUrl": "https://www.example.edu/tuition/",
    "olf:verifiedDate": "2026-10-01"
  }
}

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