diff --git a/activitystreams/data.go b/activitystreams/data.go
index 2b88459..d3453a3 100644
--- a/activitystreams/data.go
+++ b/activitystreams/data.go
@@ -1,15 +1,43 @@
 package activitystreams
 
 type (
+	BaseObject struct {
+		Context []string `json:"@context"`
+		Type    string   `json:"type"`
+		ID      string   `json:"id"`
+	}
+
 	PublicKey struct {
 		ID           string `json:"id"`
 		Owner        string `json:"owner"`
 		PublicKeyPEM string `json:"publicKeyPem"`
 	}
 
 	Image struct {
 		Type      string `json:"type"`
 		MediaType string `json:"mediaType"`
 		URL       string `json:"url"`
 	}
 )
+
+type OrderedCollection struct {
+	BaseObject
+	TotalItems int    `json:"totalItems"`
+	First      string `json:"first"`
+	Last       string `json:"last,omitempty"`
+}
+
+func NewOrderedCollection(accountRoot string, items int) *OrderedCollection {
+	oc := OrderedCollection{
+		BaseObject: BaseObject{
+			Context: []string{
+				"https://www.w3.org/ns/activitystreams",
+			},
+			ID:   accountRoot + "/outbox",
+			Type: "OrderedCollection",
+		},
+		First:      accountRoot + "/outbox?page=1",
+		TotalItems: items,
+	}
+	return &oc
+}
diff --git a/activitystreams/person.go b/activitystreams/person.go
index 495671f..4cd1a21 100644
--- a/activitystreams/person.go
+++ b/activitystreams/person.go
@@ -1,34 +1,34 @@
 package activitystreams
 
 type Person struct {
-	Context           []string  `json:"@context"`
-	Type              string    `json:"type"`
-	ID                string    `json:"id"`
+	BaseObject
 	Inbox             string    `json:"inbox"`
 	Outbox            string    `json:"outbox"`
 	PreferredUsername string    `json:"preferredUsername"`
 	URL               string    `json:"url"`
 	Name              string    `json:"name"`
 	Icon              Image     `json:"icon"`
 	Following         string    `json:"following"`
 	Followers         string    `json:"followers"`
 	Summary           string    `json:"summary"`
 	PublicKey         PublicKey `json:"publicKey"`
 }
 
 func NewPerson(accountRoot string) *Person {
 	p := Person{
-		Type: "Person",
-		Context: []string{
-			"https://www.w3.org/ns/activitystreams",
+		BaseObject: BaseObject{
+			Type: "Person",
+			Context: []string{
+				"https://www.w3.org/ns/activitystreams",
+			},
+			ID: accountRoot,
 		},
-		ID:        accountRoot,
 		URL:       accountRoot,
 		Following: accountRoot + "/following",
 		Followers: accountRoot + "/followers",
 		Inbox:     accountRoot + "/inbox",
 		Outbox:    accountRoot + "/outbox",
 	}
 
 	return &p
 }