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This is a technical introduction to the Content Authenticity Initiative (CAI) open-source SDK that provides initial context and an overview of the technical aspects of implementing CAI solutions.
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@@ -89,9 +87,9 @@ In practice, to use a certificate with the CAI SDK, follow this process:
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For more information on getting and using certificates, see [Signing and certificates](signing/index.md).
The C2PA [Verify tool](https://verify.contentauthenticity.org) uses a list of _known certificates_ (sometimes referred to as a "trust list") to determine whether a Content Credential was issued by a known source. Currently, it uses the [interim trust list](verify-known-cert-list) but it will be updated soon to use the official [C2PA trust list](conformance.mdx#c2pa-trust-lists).
The process described on this page is deprecated. The C2PA has released its official trust lists, and Verify will be updated to use them soon. See [Deprecation timeline](#deprecation-timeline) for more information.
The C2PA **[Verify tool](https://verify.contentauthenticity.org)** (often referred to as simply "Verify") is useful both for consumers and for CAI application developers.
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- Does not have an associated manifest store, Verify displays the message **No Content Credential**.
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- Does have an associated manifest store, Verify displays information from it in the three vertical panels, for example as shown below.
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If the Content Credential was signed by a certificate that is NOT on the [known certificate list](verify-known-cert-list), such as one of the SDK's [test certificates](signing/test-certs.md), then Verify displays "Unrecognized" at the top of this section with this notice:
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If the active manifest includes [Exif metadata assertions](../manifest/writing/assertions-actions.md#cawg-metadata-assertions), then an additional **Camera capture details** section shows information about the device used to create the asset, as illustrated below:
You're strongly encouraged to read this introduction and [Getting started](getting-started/index.mdx) for some basic background and context, before you dive right into development. [Working with manifests](manifest/understanding.md) also has some useful information, regardless of which language and library you use.
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