Here is a direct link to the LEMB thread -
http://tinyurl.com/4yolv - just in case you are interested to read the posts...
...and I think that if you read the complete thread, this paragraph posted by FalkeEins sums the discussion up:
"Firstly you have to state the obvious & say that there were no 'confirmed' victories on the He 162 since the claims confirmation process had ceased to function months previously..."
With the amount of time since the claims, I doubt there will ever be a definitive answer to the question...