Developer Proposes Standardized Provenance Card to Show Web Content Evidence

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A developer has built a browser-side prototype exploring how web content provenance could be displayed in a structured, inspectable format for everyday developers. The concept, called a provenance card, aims to surface evidence about a page's origin and history rather than simply labeling content as verified or unverified. The designer emphasizes that authenticity and accuracy are separate concerns, warning that conflating them leads to misleading trust signals like green checkmarks on deceptive content. The proposed card treats evidence as a layered witness stack, distinguishing between what a page shows now versus what it showed historically. The developer is sharing the idea publicly to gather feedback on which data fields to include, which to drop, and how to handle conflicting sources.

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