zuse: make octs value @ again
had reverted the change from
+$ life @ud :: ship key revision
+$ rift @ud :: ship continuity
+$ mime (pair mite octs) :: mimetyped data
-+$ octs (pair @ud cord) :: octet-stream
++$ octs (pair @ud @) :: octet-stream
+$ sock (pair ship ship) :: outgoing [our his]
::+|
::
