contentauth
diff --git a/‎Makefile‎
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diff --git a/‎README.md‎
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diff --git a/‎c2pa-native-version.txt‎
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diff --git a/‎docs/class-diagram.md‎
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@@ -32,6 +32,7 @@ rebuild: clean-c2pa-env install-deps download-native-artifacts build-python
 run-examples:
 	python3 ./examples/sign.py
 	python3 ./examples/sign_info.py
+	python3 ./examples/no_thumbnails.py
 	python3 ./examples/training.py
 	rm -rf output/
 
 
@@ -12,6 +12,22 @@ Features:
 - Add assertions and ingredients to assets.
 - Examples and unit tests to demonstrate usage.
 
+<div style={{display: 'none'}}>
+
+For the best experience, read the docs on the [CAI Open Source SDK documentation website](https://opensource.contentauthenticity.org/docs/c2pa-c).
+
+If you want to view the documentation in GitHub, see:
+- [Using the Python library](docs/usage.md)
+- [Supported formats](https://github.com/contentauth/c2pa-rs/blob/main/docs/supported-formats.md)
+- [Configuring the SDK using `Context` and `Settings`](docs/context-settings.md)
+- [Using Builder intents](docs/intents.md) to ensure spec-compliant manifests
+- Using [working stores and archvies](docs/working-stores.md)
+- Selectively constructing manifests by [filtering actions and ingredients](docs/selective-manifests.md)
+- [Diagram of public classes in the Python library and their relationships](docs/class-diagram.md)
+- [Release notes](docs/release-notes.md)
+
+</div>
+
 ## Prerequisites
 
 This library requires Python version 3.10+.
@@ -40,7 +56,9 @@ See the [`examples` directory](https://github.com/contentauth/c2pa-python/tree/m
 
 ## API reference documentation
 
-See [the section in Contributing to the project](https://github.com/contentauth/c2pa-python/blob/main/docs/project-contributions.md#api-reference-documentation).
+Documentation is published at [github.io/c2pa-python/api/c2pa](https://contentauth.github.io/c2pa-python/api/c2pa/index.html).
+
+To build documentation locally, refer to [this section in Contributing to the project](https://github.com/contentauth/c2pa-python/blob/main/docs/project-contributions.md#api-reference-documentation).
 
 ## Contributing
 
 
@@ -1 +1 @@
-c2pa-v0.67.1
+c2pa-v0.78.4
@@ -0,0 +1,135 @@
+
+# Class diagram
+
+This diagram shows the public classes in the Python library and their relationships.
+
+```mermaid
+classDiagram
+    direction LR
+
+    class Settings {
+        +from_json(json_str) Settings$
+        +from_dict(config) Settings$
+        +set(path, value) Settings
+        +update(data) Settings
+        +close()
+        +is_valid bool
+    }
+
+    class ContextProvider {
+        <<abstract>>
+        +is_valid bool*
+        +execution_context*
+    }
+
+    class Context {
+        +from_json(json_str, signer) Context$
+        +from_dict(config, signer) Context$
+        +has_signer bool
+        +is_valid bool
+        +close()
+    }
+
+    class Reader {
+        +get_supported_mime_types() list~str~$
+        +try_create(format_or_path, stream, manifest_data, context) Reader | None$
+        +json() str
+        +detailed_json() str
+        +get_active_manifest() dict | None
+        +get_manifest(label) dict
+        +get_validation_state() str | None
+        +get_validation_results() dict | None
+        +resource_to_stream(uri, stream) int
+        +is_embedded() bool
+        +get_remote_url() str | None
+        +close()
+    }
+
+    class Builder {
+        +from_json(manifest_json, context) Builder$
+        +from_archive(stream) Builder$
+        +get_supported_mime_types() list~str~$
+        +set_no_embed()
+        +set_remote_url(url)
+        +set_intent(intent, digital_source_type)
+        +add_resource(uri, stream)
+        +add_ingredient(json, format, source)
+        +add_action(action_json)
+        +to_archive(stream)
+        +with_archive(stream) Builder
+        +sign(signer, format, source, dest) bytes
+        +sign(format, source, dest) bytes
+        +sign_file(source_path, dest_path, signer) bytes
+        +close()
+    }
+
+    class Signer {
+        +from_info(signer_info) Signer$
+        +from_callback(callback, alg, certs, tsa_url) Signer$
+        +reserve_size() int
+        +close()
+    }
+
+    class C2paSignerInfo {
+        <<ctypes.Structure>>
+        +alg
+        +sign_cert
+        +private_key
+        +ta_url
+    }
+
+    class C2paSigningAlg {
+        <<IntEnum>>
+        ES256
+        ES384
+        ES512
+        PS256
+        PS384
+        PS512
+        ED25519
+    }
+
+    class C2paBuilderIntent {
+        <<IntEnum>>
+        CREATE
+        EDIT
+        UPDATE
+    }
+
+    class C2paDigitalSourceType {
+        <<IntEnum>>
+        DIGITAL_CAPTURE
+        DIGITAL_CREATION
+        TRAINED_ALGORITHMIC_MEDIA
+        ...
+    }
+
+    class C2paError {
+        <<Exception>>
+        +message str
+    }
+
+    class C2paError_Subtypes {
+        <<nested classes>>
+        ManifestNotFound
+        NotSupported
+        Json
+        Io
+        Verify
+        Signature
+        ...
+    }
+
+    ContextProvider <|-- Context : extends
+    Settings --> Context : optional input
+    Signer --> Context : optional, consumed
+    C2paSignerInfo --> Signer : creates via from_info
+    C2paSigningAlg --> C2paSignerInfo : alg field
+    C2paSigningAlg --> Signer : from_callback alg
+    Context --> Reader : context=
+    Context --> Builder : context=
+    Signer --> Builder : sign(signer)
+    C2paBuilderIntent --> Builder : set_intent
+    C2paDigitalSourceType --> Builder : set_intent
+    C2paError --> C2paError_Subtypes : subclasses
+```