diff --git a/sources/cmd/archiver/archiver.go b/sources/cmd/archiver/archiver.go
index 62516f5..85ca202 100644
--- a/sources/cmd/archiver/archiver.go
+++ b/sources/cmd/archiver/archiver.go
@@ -1258,7 +1258,15 @@ func Main () () {
 		switch os.Args[1] {
 			
 			case "version", "--version", "-v" :
-				version.Main ("kawipiko-archiver")
+				version.Main ("kawipiko-archiver", "version")
+				return
+			
+			case "--sources-md5" :
+				version.Main ("kawipiko-archiver", "sources.md5")
+				return
+			
+			case "--sources-cpio" :
+				version.Main ("kawipiko-archiver", "sources.cpio")
 				return
 			
 			case "--help", "-h" :
diff --git a/sources/cmd/server/server.go b/sources/cmd/server/server.go
index 705dfe8..a59588b 100644
--- a/sources/cmd/server/server.go
+++ b/sources/cmd/server/server.go
@@ -700,7 +700,15 @@ func Main () () {
 		switch os.Args[1] {
 			
 			case "version", "--version", "-v" :
-				version.Main ("kawipiko-server")
+				version.Main ("kawipiko-server", "version")
+				return
+			
+			case "--sources-md5" :
+				version.Main ("kawipiko-server", "sources.md5")
+				return
+			
+			case "--sources-cpio" :
+				version.Main ("kawipiko-server", "sources.cpio")
 				return
 			
 			case "--help", "-h" :
diff --git a/sources/cmd/version/version.go b/sources/cmd/version/version.go
index ff28cc0..57394e7 100644
--- a/sources/cmd/version/version.go
+++ b/sources/cmd/version/version.go
@@ -51,9 +51,27 @@ func Version (_executableName string, _executable string, _stream io.Writer) (er
 
 
 
-func Main (_executableName string) () {
-	if _error := Version (_executableName, "<os.Executable>", os.Stdout); _error != nil {
-		AbortError (_error, "[74bfa815]  unexpected error!")
+func Main (_executableName string, _special string) () {
+	
+	switch _special {
+		
+		case "version" :
+			if _error := Version (_executableName, "<os.Executable>", os.Stdout); _error != nil {
+				AbortError (_error, "[74bfa815]  unexpected error!")
+			}
+		
+		case "sources.md5" :
+			if _, _error := os.Stdout.Write (StringToBytes (BuildSourcesMd5)); _error != nil {
+				AbortError (_error, "[c8f6b6c9]  unexpected error!")
+			}
+		
+		case "sources.cpio" :
+			if _, _error := os.Stdout.Write (BuildSourcesCpioGz); _error != nil {
+				AbortError (_error, "[292d8865]  unexpected error!")
+			}
+		
+		default :
+			panic ("[65a6f35f]")
 	}
 }
 
diff --git a/sources/cmd/wrapper.go b/sources/cmd/wrapper.go
index 11c1f90..c2032ab 100644
--- a/sources/cmd/wrapper.go
+++ b/sources/cmd/wrapper.go
@@ -23,13 +23,24 @@ func main () () {
 		switch _command {
 			
 			case "version", "--version", "-v" :
-				version.Main ("kawipiko-wrapper")
+				version.Main ("kawipiko-wrapper", "version")
+				return
+			
+			case "--sources-md5" :
+				version.Main ("kawipiko-wrapper", "sources.md5")
+				return
+			
+			case "--sources-cpio" :
+				version.Main ("kawipiko-wrapper", "sources.cpio")
+				return
 			
 			case "server" :
 				server.Main ()
+				return
 			
 			case "archiver" :
 				archiver.Main ()
+				return
 			
 			default :
 				fmt.Fprintf (os.Stderr, "[!!] [44887671] unknown command: `%s`;  aborting!\n", _command)