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diff --git a/src/Data/Paper.hs b/src/Data/Paper.hs
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+{-# LANGUAGE QuasiQuotes #-}
+module Data.Paper
+    ( Paper (..)
+    , Status (..)
+    ) where
+
+import Prolog
+import Data.Journal
+import Data.Person
+import Data.Time
+import Network.URI
+import Network.URI.Static
+
+
+data Paper a = Paper
+    { title :: !a
+    , authors :: ![Name a]
+    , status :: !(Status a)
+    } deriving (Eq, Generic, Ord, Show)
+
+-- instance (Binary a, Binary (Status f a), Binary (f (Person a))) => Binary (Paper f a)
+
+data Status a
+    = Submitted
+    | Accepted
+        { journal :: !a
+        }
+    | Published
+        { date :: !Day
+        , journal :: !a
+        , doi :: !DOI
+        }
+    | Unpublished
+    deriving (Eq, Generic, Ord, Show)
+
+-- instance (Binary a, Binary (f (Journal a))) => Binary (Status f a)
+
+newtype DOI = DOI URI
+    deriving (Eq, Generic, Ord, Show)
+    deriving newtype Binary
+
+data ArXiv a = ArXiv
+    { _identifier :: !URI
+    , _class :: !a
+    } deriving (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)
+
+instance Binary a => Binary (ArXiv a)
+
+arXivURI :: URI
+arXivURI = [uri|https://arxiv.org/|]
+
+data ArXivType = ArXivAbs | ArXivPdf | ArXivSrc
+    deriving (Bounded, Enum, Eq, Generic, Ord, Show)
+
+arXivTypeRelative :: ArXivType -> URI
+arXivTypeRelative = \case
+    ArXivAbs -> [relativeReference|/abs|]
+    ArXivPdf -> [relativeReference|/pdf|]
+    ArXivSrc -> [relativeReference|/src|]
+
+arXivLink :: ArXivType -> ArXiv a -> URI
+arXivLink at a = _identifier a `relativeTo` arXivTypeRelative at `relativeTo` arXivURI
+
+
+doiURI :: URI
+doiURI = [uri|https://doi.org/|]
+
+doiLink :: DOI -> URI
+doiLink (DOI u) = u `relativeTo` doiURI