diff --git a/anchor/audit/__init__.py b/anchor/audit/__init__.py
index 5ae2756..da3117f 100644
--- a/anchor/audit/__init__.py
+++ b/anchor/audit/__init__.py
@@ -12,6 +12,7 @@
 # under the License.
 
 import logging
+import uuid
 
 from anchor import jsonloader
 
@@ -27,6 +28,8 @@ logger = logging.getLogger(__name__)
 target = None
 notifier = None
 
+ANCHOR_UUID_NS = uuid.UUID('0ff9c8c5-f57e-47aa-bd3d-5407eb907c74')
+
 
 def _emit_event(event_type, payload):
     if not payload.is_valid():
@@ -45,13 +48,25 @@ def _event_defaults(result):
         }
 
 
-def _user_resource(username):
+def _user_resource(username, result):
+    if result:
+        res_id = uuid.uuid5(ANCHOR_UUID_NS, result.username)
+        user = result.username
+    else:
+        if username:
+            res_id = uuid.uuid5(ANCHOR_UUID_NS, username.encode('utf-8',
+                                                                'replace'))
+            user = username
+        else:
+            # Authentication was a failure, but there was no username
+            # provided either. This can happen with failed token authentication
+            # for example.
+            res_id = uuid.uuid4()
+            user = None
     return resource.Resource(
-        # TODO(stan): generate id from username if it's known
-        # this should also get username from keystone tokens to work correctly
-        id=identifier.generate_uuid(),
+        id=str(res_id),
         typeURI=cadftaxonomy.ACCOUNT_USER,
-        name=username)
+        name=user)
 
 
 def _auth_resource(ra_name):
@@ -80,9 +95,10 @@ def _certificate_resource(fingerprint):
 
 
 def emit_auth_event(ra_name, username, result):
-    params = _event_defaults(result)
+    success = result is not None
+    params = _event_defaults(success)
     params['action'] = 'authenticate'
-    params['initiator'] = _user_resource(username)
+    params['initiator'] = _user_resource(username, result)
     auth_res = _auth_resource(ra_name)
     params['observer'] = auth_res
     params['target'] = auth_res
@@ -92,7 +108,7 @@ def emit_auth_event(ra_name, username, result):
 def emit_signing_event(ra_name, username, result, fingerprint=None):
     params = _event_defaults(result)
     params['action'] = 'evaluate'
-    params['initiator'] = _user_resource(username)
+    params['initiator'] = _user_resource(username, result)
     params['observer'] = _policy_resource(ra_name)
     params['target'] = _certificate_resource(fingerprint)
     # add when pycadf merges event names
diff --git a/anchor/auth/keystone.py b/anchor/auth/keystone.py
index 0c21c42..342af0b 100644
--- a/anchor/auth/keystone.py
+++ b/anchor/auth/keystone.py
@@ -41,11 +41,15 @@ def login(_, token):
 
     try:
         res = req.json()
-        user = res['token']['user']['name']
+        user = res['token']['user']
+        user_name = user['name']
+        user_id = user['id']
+        project_id = res['token']['project']['id']
 
         roles = [role['name'] for role in res['token']['roles']]
     except Exception:
         logger.exception("Keystone response was not in the expected format")
         return None
 
-    return results.AuthDetails(username=user, groups=roles)
+    return results.AuthDetails(username=user_name, groups=roles,
+                               user_id=user_id, project_id=project_id)
diff --git a/anchor/auth/results.py b/anchor/auth/results.py
index cd3891b..eefecfd 100644
--- a/anchor/auth/results.py
+++ b/anchor/auth/results.py
@@ -13,7 +13,17 @@
 
 from __future__ import absolute_import
 
-import collections
 
+class AuthDetails(object):
+    def __init__(self, username=None, groups=None, user_id=None,
+                 project_id=None):
+        self.username = username
+        self.groups = groups or []
+        self.user_id = user_id
+        self.project_id = project_id
 
-AuthDetails = collections.namedtuple('AuthDetails', ['username', 'groups'])
+    def __eq__(self, other):
+        return (self.username == other.username and
+                self.groups == other.groups and
+                self.user_id == other.user_id and
+                self.project_id == other.project_id)
diff --git a/anchor/controllers/__init__.py b/anchor/controllers/__init__.py
index 695aaea..a216b09 100644
--- a/anchor/controllers/__init__.py
+++ b/anchor/controllers/__init__.py
@@ -53,10 +53,10 @@ class SignInstanceController(GenericInstanceController):
                                         pecan.request.POST.get('user'),
                                         pecan.request.POST.get('secret'))
             audit.emit_auth_event(ra_name, pecan.request.POST.get('user'),
-                                  True)
+                                  auth_result)
         except http_status.HTTPUnauthorized:
             audit.emit_auth_event(ra_name, pecan.request.POST.get('user'),
-                                  False)
+                                  None)
             raise
 
         try:
@@ -68,10 +68,10 @@ class SignInstanceController(GenericInstanceController):
 
             cert, fingerprint = certificate_ops.dispatch_sign(ra_name, csr)
             audit.emit_signing_event(ra_name, pecan.request.POST.get('user'),
-                                     True, fingerprint=fingerprint)
+                                     auth_result, fingerprint=fingerprint)
         except Exception:
             audit.emit_signing_event(ra_name, pecan.request.POST.get('user'),
-                                     False)
+                                     auth_result)
             raise
         return cert
 
diff --git a/tests/auth/test_keystone.py b/tests/auth/test_keystone.py
index 133c450..f9b8aa0 100644
--- a/tests/auth/test_keystone.py
+++ b/tests/auth/test_keystone.py
@@ -104,8 +104,11 @@ class AuthKeystoneTests(unittest.TestCase):
         self.user = self.json_response['token']['user']['name']
         self.roles = [role['name']
                       for role in self.json_response['token']['roles']]
+        self.user_id = self.json_response['token']['user']['id']
+        self.project_id = self.json_response['token']['project']['id']
         self.expected = results.AuthDetails(
-            username=self.user, groups=self.roles)
+            username=self.user, groups=self.roles,
+            user_id=self.user_id, project_id=self.project_id)
 
         self.keystone_url = self.data['auth'][
             'keystone']['url'] + '/v3/auth/tokens'