How to Check Digital Signature Certificate with signNow

TL;DR

Quick overview: checking a digital signature certificate means verifying the signer identity, certificate validity dates, issuing authority, and integrity of the signed file. Using signNow you can view signer authentication, inspect certificate details in the Audit Trail, validate timestamps, and export evidence for compliance with ESIGN and UETA. This process supports remote closing, HR onboarding, and HIPAA-protected workflows while preserving a verifiable record for audits.

What a Digital Signature Certificate Is

A digital signature certificate is like an electronic ID card for a signer that proves who signed a document and that the document has not been altered. It combines cryptographic data, an issuing authority, and a timestamp so recipients can trust the signature. In practice, checking a certificate confirms the signer's identity, the certificate's validity period, the issuing certificate authority, and whether the signed document content remains unchanged after signing.

Legal Validity and When to Verify

Checking a digital signature certificate ensures signatures meet ESIGN and UETA standards and reduces legal risk by confirming identity and integrity. Use this feature/tool when closing remote sales contracts or collecting employee onboarding signatures at scale and when processing HIPAA-covered patient consent forms or regulated financial approvals.

Common Verification Challenges

• Expired certificates can appear valid until the timestamp is checked, causing trust gaps in legal disputes.
• Mismatched signer emails or accounts require reconciliation with internal records before acceptance.
• Cross-border certificate recognition may fail if relying parties do not trust the issuing CA.
• Detached signatures or modified files break cryptographic integrity and invalidate the signature.

Users and Organizations That Check Certificates

Organizations that require legally defensible signatures and secure identity proofing perform certificate checks regularly.

• Real estate brokers verifying lease signers for remote closings and escrow compliance.
• Healthcare admins confirming patient consent signatures under HIPAA with a signed Audit Trail.
• Finance and legal teams checking certificate timestamps before executing high-value contracts.

Typical User Roles

IT Administrator

IT administrators configure signNow security settings, manage SSO and API keys, and verify certificate trust paths for the organization. They are responsible for integrating certificate validation into internal workflows and ensuring audit logs are retained according to policy.

Compliance Officer

Compliance officers review Audit Trails, confirm ESIGN/UETA conformity, and validate certificate metadata for regulated transactions. They use signNow reports and exported evidence during internal and external audits to demonstrate legal defensibility.

Certificate and Security Facts

Encryption in Transit: TLS 1.2/1.3

Encryption at Rest: AES-256

Compliance Certifications: SOC 2 Type II

Regulatory Support: ESIGN and UETA

Healthcare Controls: HIPAA (BAA req.)

International Standards: ISO 27001

Risks of Skipping Certificate Checks

Invalid Signatures: Legal disputes possible

Data Breach: Regulatory fines likely

Noncompliance: Audit penalties risk

Operational Delays: Contract execution delayed

Reputational Harm: Client trust reduced

Evidence Loss: Weakened legal proof

Real-World Examples

Two concise customer examples show certificate checking in real workflows and the outcomes organizations achieved.

Tech Data (Enterprise Integration)

Tech Data integrated signNow to add certificate-based signer verification for internal and external documents.

• The platform enabled automated Audit Trail capture and certificate metadata logging.
• This reduced manual verification tasks and improved compliance readiness.

Resulting in faster revenue recognition and clearer audit evidence for enterprise reviews.

Fertility Centers of Illinois (Healthcare)

Fertility Centers of Illinois used signNow to collect HIPAA-compliant patient consents with certificate checks enabled.

• The workflow required verified signer identity and retention of signature certificate details.
• This preserved privacy controls and provided defensible consent records for medical audits.

Leading to improved regulatory confidence and smoother administrative processes.

Step-by-Step: Check a Certificate

Follow these practical steps in signNow to inspect and validate a digital signature certificate for a signed document.

• 01
  Open Signed Document: Log into signNow, locate the completed envelope, and open the signed PDF in the document viewer to begin verification.
• 02
  View Audit Trail: Select the Audit Trail or History tab to see signer identity, authentication method, and certificate timestamp entries recorded by signNow.
• 03
  Inspect Certificate Details: Click the certificate or signature block to display issuing CA, serial number, validity dates, and cryptographic algorithm details for review.
• 04
  Export Evidence: Download the signed document and full Audit Trail PDF from signNow to store with your records or attach to compliance reports.

How Verification Works in Practice

A concise flow explains how signNow handles certificate verification from signing to audit-ready evidence.

• Signer Authentication: Signer confirms identity via email, SMS, or SSO before signing.
• Signature Creation: signNow applies cryptographic signature and embeds metadata.
• Certificate Recording: Certificate details and timestamp saved in Audit Trail.
• Post-Sign Verification: Reviewer inspects certificate and exports evidence if required.

Key Tools for Certificate Checking

signNow provides several built-in features that simplify certificate checks and make verification part of everyday workflows.

Audit Trail

Comprehensive, tamper-evident record of signing events, IP addresses, authentication methods, and certificate timestamps, enabling fast validation during audits and legal reviews.

Signer Authentication

Multiple authentication methods such as email confirmation, SMS codes, and SSO provide layered identity proofing before a signature is applied, reducing impersonation risk.

Certificate Metadata

Embedded certificate fields store issuing CA, serial number, algorithm, and validity periods so reviewers can confirm the digital signature's cryptographic provenance directly from the document.

Exportable Evidence

Downloadable signed PDFs and Audit Trail reports collect certificate details and timestamps in a single package suitable for legal records, compliance, or internal retention policies.

Best Practices for Certificate Verification

Adopt consistent procedures to verify digital signature certificates and keep records that satisfy legal and compliance needs.

Establish a verification checklist for signed documents

Create a standard checklist that includes verifying issuer trust, certificate validity dates, signer authentication method, and Audit Trail integrity to ensure consistent, defensible review across teams.

Retain exported Audit Trails with signed documents

Store the signNow Audit Trail alongside the signed file in your secure archive to maintain full context for future audits or legal disputes and to preserve certificate metadata.

Use strong signer authentication for sensitive workflows

Require SMS codes, SSO, or two-factor authentication for HIPAA or high-value transactions to increase confidence in signer identity and link certificates to verified user accounts.

Train staff to interpret certificate fields

Educate legal, compliance, and operational teams on reading CA names, serial numbers, and timestamps so they can quickly validate signatures and escalate anomalies.

Where to Check Certificates

You can inspect certificates in signNow via web, mobile apps, and exported Audit Trail documents for offline review.

• Web Browser: Full Audit Trail
• Mobile Apps: View basic details
• API Access: Programmatic exports

Use the web console for detailed certificate inspection and the API for automated retrieval; mobile apps let field staff confirm signer identity and basic certificate metadata quickly.

Recommended Verification Workflow Settings

Suggested signNow settings and configurations that support consistent certificate checking and record retention for regulated or high-risk workflows.

Feature	Configuration
Reminder Frequency	48 hours
Authentication Method	Email and SMS
Bulk Send Limit	No cap
Audit Trail Retention	7 years
Storage Location	AWS S3

Pricing and Feature Snapshot (May 2026)

Plan and feature snapshot accurate as of May 2026. Values show starting prices, trial availability, bulk send support, audit trail presence, HIPAA compliance, and envelope caps for quick comparison.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo, annual	$8/user/mo, annual	$13/user/mo, annual	$19/user/mo, annual	$15/user/mo, annual
Free Trial	7-day free trial	Varies by plan	Varies by plan	Varies by plan	Varies by plan
Bulk Send	Yes, Business Premium up	Varies by plan	Varies by plan	Yes, paid plans	Varies by plan
Audit Trail	Yes, built-in Audit Trail	Yes, built-in Audit Trail	Yes, built-in Audit Trail	Yes, activity log	Yes, activity log
HIPAA Compliant	Yes, BAA required	Yes, BAA available	Yes, on select plans	Varies by plan	Varies by plan
Envelope Cap	No envelope cap	100 envelopes/user/year	Varies by plan	Varies by plan	Varies by plan

FAQs About Checking Certificates

Answers to frequent technical and process questions about inspecting digital signature certificates in signNow and resolving common verification issues.

• How do I find certificate details?
  Open the signed document in signNow and choose the Audit Trail or signature details view. The Audit Trail displays signer authentication, certificate issuer, serial number, and timestamp. For more technical inspection, download the signed PDF and view the embedded signature block with a PDF reader that shows certificate metadata.
• What if the certificate is expired?
  An expired certificate does not always invalidate a signature if a trusted trusted timestamp exists. Check the Audit Trail timestamp to confirm the signature was created while the certificate was still valid, and record that evidence when retaining the document for compliance.
• Can I automate certificate checks?
  Yes. Use signNow API integrations to export signed documents and Audit Trails programmatically, then run automated checks for issuer trust, validity dates, and signatures. This supports bulk compliance reviews and reduces manual verification workload.
• Does signNow support HIPAA workflows?
  Yes. signNow supports HIPAA-compliant workflows when a Business Associate Agreement (BAA) is executed. Enable strong authentication, retain Audit Trails, and follow data retention policies to maintain compliance for healthcare signatures.
• What evidence should I store for audits?
  Store the signed PDF plus the full signNow Audit Trail that includes certificate metadata, signer authentication method, and timestamps. Keep these together in secure long-term storage to support legal defensibility and regulatory requests.
• Why does signer email not match certificate?
  Signer authentication methods and certificate subject fields can differ; reconcile signer account information with certificate metadata. If discrepancy remains, request re-signing with stronger authentication or escalate to your compliance team for verification.