deb package doesnt install the GA Release of Openjdk 9

I have installed openjdk-9 throw apt and I realized that installed version is 9-internal which is different from the GA Release version available at http://jdk.java.net/9/

> java -version # installed by deb package
openjdk version "9-internal"
OpenJDK Runtime Environment (build 9-internal+0-2016-04-14-195246.buildd.src)
OpenJDK 64-Bit Server VM (build 9-internal+0-2016-04-14-195246.buildd.src, mixed mode)

> /opt/openjdk/jdk-9.0.1/bin/java -version #jdk.java.net
openjdk version "9.0.1"
OpenJDK Runtime Environment (build 9.0.1+11)
OpenJDK 64-Bit Server VM (build 9.0.1+11, mixed mode)

Using:
OS:
Description: KDE neon User Edition 5.11
Release: 16.04

Package:
openjdk-9-jdk:
  Installed: 9~b114-0ubuntu1
  Candidate: 9~b114-0ubuntu1
  Version table:
 *** 9~b114-0ubuntu1 500
        500 http://es.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
        100 /var/lib/dpkg/status

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