What's My IQ? 签发的每一份证书都有唯一编号和数字签名。输入编号或拖入 PDF 文件,即可确认证书的真伪。
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验证能告诉您什么
两项相互独立的检查,一项核对记录,一项核对文件。任何一项都足以识破伪造证书。
编号真实存在
每个证书编号在签发的那一刻就会被记录下来。编号匹配即可确认证书上印的测试、分数、百分位和日期。
文件是原件
我们发出的每份 PDF 都带有数字签名。只要有人改动分数、姓名或任何其他内容,签名就会失效,本页面也会如实显示。