batch upload 1 paper pdf files

.gitattributes

@@ -267,3 +267,4 @@ pdfs/606ebbd3d0b9b8a544f6487656559541459761d7.pdf filter=lfs diff=lfs merge=lfs
 pdfs/88c8ba8bed06ae70747d444c10281853bb9f6b41.pdf filter=lfs diff=lfs merge=lfs -text
 pdfs/df90af8246b75e7f6a6c3c6fb7f5660012935a77.pdf filter=lfs diff=lfs merge=lfs -text
 pdfs/571efaa239814edac31004fce4ae990334ccf26b.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/15c1de6dcc2c6926431fbd69f9fac91fcedda49b.pdf filter=lfs diff=lfs merge=lfs -text

pdfs/15c1de6dcc2c6926431fbd69f9fac91fcedda49b.pdf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f26ea97c9822226d18e18c89d68ab3b47225574242695224b971a01769d32775
+size 589655