Global Source Index

A continuously updated database of media entities graded by the Fides Verification Algorithm. Sources are evaluated on factual history, citation transparency, and bias correction speed.

Fides Source Tiering System

Media organizations are graded algorithmically based on factual history, ownership transparency, and correction speed.

AAAFoundational

Definitive record of truth. Low bias, high transparency. Verification requires1 node.

A+Verified

High reliability. Minor editorial bias disclosed. Verification requires2 nodes.

BProvisional

Valuable but subjective. High variance in accuracy. Verification requires3+ nodes.

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