In Chinese newspaper profiles this year, He was listed as 14, too young for the Beijing Games.

The Times found two online records of official registration lists of Chinese gymnasts that list He’s birthday as Jan. 1, 1994, which would make her 14. A 2007 national registry of Chinese gymnasts  now blocked in China but viewable through Google cache  shows He’s age as “1994.1.1.”

Another registration list that is unblocked, dated Jan. 27, 2006, and regarding an “intercity” competition in Chengdu, China, also lists He’s birthday as Jan. 1, 1994. That date differs by two years from the birth date of Jan. 1, 1992, listed on He’s passport, which was issued Feb. 14, 2008.

There has been considerable talk about the ages of Chinese gymnasts on Web sites devoted to the sport. And there has been frequent editing of He’s Wikipedia entry, although it could not be determined by whom. One paragraph that discusses the controversy of her age kept disappearing and reappearing on He’s entry. As of Friday, a different version of the paragraph had been restored to the page.

The other gymnast, Jiang, is listed on her passport  issued March 2, 2006  as having been born on Nov. 1, 1991, which would make her 16 and thus eligible to compete at the Beijing Games.

A different birth date, indicating Jiang is not yet 15, appears on a list of junior competitors from the Zhejiang Province sports administration. The list of athletes includes national identification card numbers into which birth dates are embedded. Jiang’s national card number as it appears on this list shows her birth date as Oct. 1, 1993, which indicates that she will turn 15 in the fall, and would thus be ineligible to compete in the Beijing Games.

Zhang Hongliang, an official with the Chinese gymnastics federation, said Friday that perhaps Chinese reporters and provincial sports authorities made mistakes in listing He’s and Jiang’s birth dates differently from the dates given on their passports.

Image He Kexin is 16, the minimum age for Olympic eligibility, according to her passport. Credit... Matthias Rietschel/Associated Press

“The two athletes have attended international sports competitions before, and I’m sure the information is correct,” Zhang said of the athletes’ passports.