Single parameters outside of the standard B do not automatically mean non-authenticity, as values within the standard B do not automatically guarantee authenticity.

部分以外单独列出的参数并不一位置非真实性，而B部分所列的参数也并不意味着其确定性。

youdao

This provides a much weaker guarantee of authenticity than the digital signing of messages, though.

但是，它所提供的真实性保障要比消息数字签名弱很多。

youdao

PGP public key: Many software releases are digitally signed with PGP to give some guarantee of authenticity.

PGP 公钥：许多软件版本都使用 PGP 数据签名以便提供某种真实性的保证。

youdao

Additionally, they were a way to guarantee authenticity and even served as antitampering devices.

WSJ: The Ur-Metropolis | Uruk | Pergamon Museum | By A.J. Goldmann

The company employs about 250 auction specialists, curators and appraisers to guarantee authenticity of items up for bid.

FORBES: Disrupting The World's Great Auction Houses