在生活中或工作中，我们有时会遇到“验签不通过”的提示，这往往让人一头雾水。其实，“验签”是指验证签名是否真实有效，通常出现在文件签署、合同确认或在线支付等场景中。当出现“验签不通过”的情况时，可能有以下几种原因：

原因之一可能是信息输入错误⚠️，比如复制粘贴时遗漏了空格或其他字符。另一个常见原因是时间戳超时⏳，很多电子签名需要在规定时间内完成验证，过期就会失败。此外，如果签名文件被篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡改篡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