anchor.diff:  [source,java]
   -----------------
   public static long seed() {
  -    return mix(System.nanoType(), objectHashSeed());
  +    final long a = mixStafford13(System.currentTimeMillis());
  +    final long b = mixStafford13(System.nanoTime());
  +    return seed(mix(a, b));
   }
  -
  +private static long seed(final long base) {
  +    return mix(base, ObjectSeedSource.seed());
  +}
   private static long mix(final long a, final long b) {
       long c = a^b;
       c ^= c << 17;
  
positive.code: -----------------
  $ java -cp prngine-<version>.jar \
        io.jenetics.prngine.internal.DieHarder \
        io.jenetics.prngine.internal.ObjectHashRandom -a
  -----------------
  
  Table <<ObjectHashSeeding-quality, Object hash seeding quality>> shows the
  
negative.code:     c ^= c << 8;
      return c;
  }
  static long objectSeed() {
      final long a = new Object().hashCode();
      final long b = new Object().hashCode();
      return mixStafford13(a << 32 | b);
  }
  private static long mixStafford13(final long z) {
      long v = (z^(z >>> 30))*0xbf58476d1ce4e5b9L;
      v = (v^(v >>> 27))*0x94d049bb133111ebL;
      return v^(v >>> 31);
  }
  -----------------
  
  