diff --git a/app/models/activity_pub/object.rb b/app/models/activity_pub/object.rb
index 3fde326b..b33c1957 100644
--- a/app/models/activity_pub/object.rb
+++ b/app/models/activity_pub/object.rb
@@ -16,5 +16,13 @@ class ActivityPub
     def actor
       ActivityPub::Actor.find_by(uri: content['actor'])
     end
+
+    def actor_type?
+      false
+    end
+
+    def object_type?
+      true
+    end
   end
 end
diff --git a/app/models/activity_pub/object/application.rb b/app/models/activity_pub/object/application.rb
index 99ac935c..d26a7757 100644
--- a/app/models/activity_pub/object/application.rb
+++ b/app/models/activity_pub/object/application.rb
@@ -5,6 +5,8 @@
 # Una aplicación o instancia
 class ActivityPub
   class Object
-    class Application < ActivityPub::Object; end
+    class Application < ActivityPub::Object
+      include Concerns::ActorTypeConcern
+    end
   end
 end
diff --git a/app/models/activity_pub/object/audio.rb b/app/models/activity_pub/object/audio.rb
new file mode 100644
index 00000000..48caea44
--- /dev/null
+++ b/app/models/activity_pub/object/audio.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Audio =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Audio < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/concerns/actor_type_concern.rb b/app/models/activity_pub/object/concerns/actor_type_concern.rb
new file mode 100644
index 00000000..bb840601
--- /dev/null
+++ b/app/models/activity_pub/object/concerns/actor_type_concern.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+class ActivityPub
+  class Object
+    module Concerns
+      module ActorTypeConcern
+        extend ActiveSupport::Concern
+
+        included do
+          # El objeto referencia a une Actor
+          #
+          # @see {https://www.w3.org/TR/activitystreams-vocabulary/#actor-types}
+          def actor_type?
+            true
+          end
+
+          # El objeto es un objeto
+          #
+          # @see {https://www.w3.org/TR/activitystreams-vocabulary/#object-types}
+          def object_type?
+            false
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/app/models/activity_pub/object/document.rb b/app/models/activity_pub/object/document.rb
new file mode 100644
index 00000000..d7444514
--- /dev/null
+++ b/app/models/activity_pub/object/document.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Document =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Document < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/event.rb b/app/models/activity_pub/object/event.rb
new file mode 100644
index 00000000..9fa1f6fc
--- /dev/null
+++ b/app/models/activity_pub/object/event.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Event =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Event < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/group.rb b/app/models/activity_pub/object/group.rb
new file mode 100644
index 00000000..08d11d0d
--- /dev/null
+++ b/app/models/activity_pub/object/group.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Group =
+class ActivityPub
+  class Object
+    class Group < ActivityPub::Object
+      include Concerns::ActorTypeConcern
+    end
+  end
+end
diff --git a/app/models/activity_pub/object/image.rb b/app/models/activity_pub/object/image.rb
new file mode 100644
index 00000000..9939a14b
--- /dev/null
+++ b/app/models/activity_pub/object/image.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Image =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Image < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/organization.rb b/app/models/activity_pub/object/organization.rb
index e3385232..e820c305 100644
--- a/app/models/activity_pub/object/organization.rb
+++ b/app/models/activity_pub/object/organization.rb
@@ -5,6 +5,8 @@
 # Una organización
 class ActivityPub
   class Object
-    class Organization < ActivityPub::Object; end
+    class Organization < ActivityPub::Object
+      include Concerns::ActorTypeConcern
+    end
   end
 end
diff --git a/app/models/activity_pub/object/page.rb b/app/models/activity_pub/object/page.rb
new file mode 100644
index 00000000..f05503e2
--- /dev/null
+++ b/app/models/activity_pub/object/page.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Page =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Page < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/person.rb b/app/models/activity_pub/object/person.rb
index a6a85d43..5bcab596 100644
--- a/app/models/activity_pub/object/person.rb
+++ b/app/models/activity_pub/object/person.rb
@@ -5,6 +5,8 @@
 # Una persona, el perfil de une actore
 class ActivityPub
   class Object
-    class Person < ActivityPub::Object; end
+    class Person < ActivityPub::Object
+      include Concerns::ActorTypeConcern
+    end
   end
 end
diff --git a/app/models/activity_pub/object/place.rb b/app/models/activity_pub/object/place.rb
new file mode 100644
index 00000000..f04032ed
--- /dev/null
+++ b/app/models/activity_pub/object/place.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Place =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Place < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/profile.rb b/app/models/activity_pub/object/profile.rb
new file mode 100644
index 00000000..8f7183a2
--- /dev/null
+++ b/app/models/activity_pub/object/profile.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Profile =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Profile < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/relationship.rb b/app/models/activity_pub/object/relationship.rb
new file mode 100644
index 00000000..ece995b4
--- /dev/null
+++ b/app/models/activity_pub/object/relationship.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Relationship =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Relationship < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/service.rb b/app/models/activity_pub/object/service.rb
new file mode 100644
index 00000000..a276ea5b
--- /dev/null
+++ b/app/models/activity_pub/object/service.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Service =
+class ActivityPub
+  class Object
+    class Service < ActivityPub::Object
+      include Concerns::ActorTypeConcern
+    end
+  end
+end
diff --git a/app/models/activity_pub/object/tombstone.rb b/app/models/activity_pub/object/tombstone.rb
new file mode 100644
index 00000000..88f136b9
--- /dev/null
+++ b/app/models/activity_pub/object/tombstone.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Tombstone =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Tombstone < ActivityPub::Object; end
+  end
+end
diff --git a/app/models/activity_pub/object/video.rb b/app/models/activity_pub/object/video.rb
new file mode 100644
index 00000000..fa4bbffb
--- /dev/null
+++ b/app/models/activity_pub/object/video.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# = Video =
+#
+# Representa artículos
+class ActivityPub
+  class Object
+    class Video < ActivityPub::Object; end
+  end
+end