diff --git a/libcflib/db.xsh b/libcflib/db.xsh
index 74645d8..ed68ab1 100644
--- a/libcflib/db.xsh
+++ b/libcflib/db.xsh
@@ -84,13 +84,9 @@ class DB:
                 yield data
 
     def load_packages(self):
-        with indir($LIBCFGRAPH_DIR + '/artifacts/'):
-            artifacts = g`**/*.json`
-            artifacts = sorted(artifacts)
-            groups = toolz.groupby(lambda a: a.split('/')[0], artifacts)
-            for package, artifact in groups.items():
-                p = Package(name=package, artifact_ids=artifact)
-                self._packages[p.name] = p
+        for package in os.listdir($LIBCFGRAPH_DIR + '/artifacts/'):
+            p = Package(name=package)
+            self._packages[p.name] = p
 
     @property
     def packages(self):
diff --git a/libcflib/harvest_pkgs.xsh b/libcflib/harvest_pkgs.xsh
index e591768..090f09e 100644
--- a/libcflib/harvest_pkgs.xsh
+++ b/libcflib/harvest_pkgs.xsh
@@ -27,13 +27,14 @@ def create_graphs():
                         req.add(dep.split(' ')[0])
             if pkg not in channel_graphs[channel]:
                 channel_graphs[channel].add_node(pkg)
-            for k in ['versions', 'archs', 'req']:
+            for k in ['versions', 'archs', 'req', 'artifact_id']:
                 if k not in channel_graphs[channel].nodes[pkg]:
                     channel_graphs[channel].nodes[pkg][k] = set()
 
             channel_graphs[channel].nodes[pkg]['archs'].add(arch)
             channel_graphs[channel].nodes[pkg]['versions'].add(art['version'])
             channel_graphs[channel].nodes[pkg]['req'].update(req)
+            channel_graphs[channel].nodes[pkg]['artifact_id'].update(art_fp)
 
             for dep in channel_graphs[channel].nodes[pkg]['req']:
                 if (dep, pkg) not in channel_graphs[channel].edges:
diff --git a/libcflib/model.py b/libcflib/model.xsh
similarity index 89%
rename from libcflib/model.py
rename to libcflib/model.xsh
index 5640c19..8886c48 100644
--- a/libcflib/model.py
+++ b/libcflib/model.xsh
@@ -111,29 +111,24 @@ def _load(self):
 
 
 class Package(Model):
-    def __init__(self, *, name=None, artifact_ids=None, channel="conda-forge"):
+    def __init__(self, *, name=None):
         self._name = name
-        self._channel = "conda-forge"
         super().__init__()
         self.name = name
-        self.channel = channel
         # eager load
         self._load()
 
+    def __repr__(self):
+        return f"Package({self.name})"
+
+    def _load(self):
+        with indir($LIBCFGRAPH_DIR + '/artifacts/' + self._name):
+            artifact_ids = g`**/*.json`
+            artifact_ids = sorted(artifact_ids)
         self.artifacts = defaultdict(lambda: defaultdict(set))
         for a in artifact_ids:
             _, channel, arch, artifact_name = a.split("/", 3)
             self.artifacts[channel][arch].add(artifact_name)
-
-    def __repr__(self):
-        return f"Package({self.name}"
-
-    def _load(self):
-        env = builtins.__xonsh_env__
-        filename = os.path.join(env.get("LIBCFGRAPH_DIR"), self._channel + ".json")
-        # TODO: use networkx to get the data so we have edges
-        with open(filename, "r") as f:
-            self._d.update(json.load(f).get(self._name, {}))
         super()._load()