Squashed 'core/' content from commit 4957443

git-subtree-dir: core
git-subtree-split: 4957443184ae0eb6323635a90a19acffb3e01d07

artdag/activitypub/__init__.py

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+# primitive/activitypub/__init__.py
+"""
+ActivityPub implementation for Art DAG.
+
+Provides decentralized identity and ownership for assets.
+Domain: artdag.rose-ash.com
+
+Core concepts:
+- Actor: A user identity with cryptographic keys
+- Object: An asset (image, video, etc.)
+- Activity: An action (Create, Announce, Like, etc.)
+- Signature: Cryptographic proof of authorship
+"""
+
+from .actor import Actor, ActorStore
+from .activity import Activity, CreateActivity, ActivityStore
+from .signatures import sign_activity, verify_signature, verify_activity_ownership
+from .ownership import OwnershipManager, OwnershipRecord
+
+__all__ = [
+    "Actor",
+    "ActorStore",
+    "Activity",
+    "CreateActivity",
+    "ActivityStore",
+    "sign_activity",
+    "verify_signature",
+    "verify_activity_ownership",
+    "OwnershipManager",
+    "OwnershipRecord",
+]
+
+DOMAIN = "artdag.rose-ash.com"