Digital Signature Verification Error for signNow

What the digital signature verification error means
The digital signature of the object did not verify means the signature check failed because the signed file, certificate, or validation data did not match what the system expected. In practice, the software hashes the document, compares that hash with the signer’s cryptographic signature, and checks the certificate chain, revocation status, and timestamp data. If any part is altered, expired, missing, or untrusted, verification can fail. In U.S. workflows, this warning helps users confirm document integrity and signer attribution before relying on the record.
Why verification matters for enforceability
A verified digital signature supports document integrity, signer attribution, and evidentiary reliability. Under ESIGN and UETA, an electronic signature can be enforceable when intent, consent, and attribution are shown, so verification helps reduce disputes and preserve business records.

Frequent causes of verification failure
Certificate expiration or revocation can break verification even when the document itself looks unchanged. Mismatched signer identity details can make the signature appear invalid during review or export. Missing timestamp or revocation data can prevent long-term validation after the certificate expires. Document edits after signing can invalidate the hash and trigger a verification failure.
Who relies on signature verification
Business teams
Teams that need defensible records use verified signatures for contracts, approvals, and regulated forms.
Regulated documents
Legal, healthcare, finance, and education workflows rely on verification for consent, disclosures, and records.
Roles that benefit from verified signatures
Manages lease packets, amendments, and move-in forms where signer identity and document integrity must stay clear across remote approvals and mobile review. Uses signNow to keep customer-facing execution simple while preserving audit-ready records for internal controls, compliance reviews, and faster turnaround.
- Best ROI. Our customers achieve an average 7x ROI within the first six months.
- Scales with your use cases. From SMBs to mid-market, airSlate SignNow delivers results for businesses of all sizes.
- Intuitive UI and API. Sign and send documents from your apps in minutes.
Core features behind verified signatures
signNow keeps the signing process straightforward while preserving the evidence needed to review, verify, and store signed records.
Integrity check
Checks the document hash, certificate chain, and revocation status so teams can trust the signed record before filing or sharing it.
Audit evidence
Captures signer identity details and timestamps to support attribution, review, and later dispute analysis.
Tamper detection
Preserves a tamper-evident record that flags post-signing changes and helps protect the signed version.
Flexible access
Supports mobile and desktop signing so users can verify records without changing their existing workflow.
Compliance support
Works with regulated records that need clear proof of who signed, when they signed, and what was signed.
Simple workflow
Keeps the signing process simple while still producing a defensible electronic record for U.S. business use.
How signature verification works
Verification follows a clear sequence that checks the document, the certificate, and the signing record before the result is accepted.
Hash check: The system hashes the signed file and compares it to the stored signature value. Certificate review: It confirms the certificate chain and revocation status before accepting the signature. Record match: It matches signer identity, timestamp, and document version to the audit record. Verification result: It marks the result verified or failed for review and retention.
Quick steps to review a signature
Use a short review process to confirm the signature status before you rely on the document.
Open record:
Open the signed document and review the verification status. Review identity:
Check signer details against the certificate and audit trail. Check integrity:
Confirm the file has not changed since signing. Save evidence:
Export the record for filing or legal review.
Recommended verification setup
Use a setup that preserves signer identity, document integrity, and retention evidence for U.S. business and regulated records.
| Setting | Recommendation |
|---|---|
| Authentication method | SMS OTP |
| Signature type | Digital signature |
| Audit trail | Enabled |
| Document retention | 6 years (HIPAA 45 CFR 164.530(j)(2)) |
| Encryption | TLS 1.2/1.3 and AES-256 |
Platform support for signature review
Use current browsers and supported mobile apps to review, sign, and verify records across desktop and mobile workflows.
Desktop browsers Chrome, Firefox, Edge, and Safari on current versions. Mobile devices iOS and Android mobile apps supported. Operating systems Windows, macOS, iOS, and Android supported.
For enterprise deployment, managed devices, SSO, and API access help keep access controlled across teams. TLS 1.2/1.3, certificate validation, and retention policies should stay aligned with internal security rules and any regulated recordkeeping requirements.
Security controls for signed records
Transport security:
Data at rest:
Control assurance:
Security management:
Healthcare compliance:
Legal framework:
Real customer examples
These examples show how signNow fits document-heavy workflows where identity, timing, and record integrity matter.
Operations workflow
A NetSuite operations leader needed flexible signature routing across document types and formats.
- Kodi-Marie Evans, Director of NetSuite Operations at Xerox
- Right signatures on the right documents
The team used signNow with NetSuite to route documents correctly and keep the signing process aligned with internal format requirements. That helped reduce manual handling and supported faster document completion across business units.
Real estate
A founder handling customer-facing agreements needed a simple process that still supported compliance and security.
- Tim Martin, Founder at Martin Properties
- 100% compliance and built-in security
The workflow supported online execution on mobile and offline use, which fit property documents that move quickly between parties. The result was a more efficient process with clear records and fewer delays in returning signed forms.
Best practices for verified signing
A careful setup reduces verification failures and keeps signed records easier to defend, store, and retrieve later.
Match authentication to risk
Protect the signed file
Retain validation evidence
Control document access
FAQ about signature verification
These answers focus on verification errors, compliance needs, and plan limits that affect signed records in U.S. workflows.
If a PDF shows a verification error, open the audit trail and confirm whether the file changed after signing. signNow records timestamps and document history, which helps identify whether the issue is a content change, a certificate problem, or a validation gap.
If a HIPAA workflow needs verification support, use a signNow plan with BAA coverage and keep retention aligned to 6 years under 45 CFR 164.530(j)(2). HIPAA also expects access controls, audit controls, and integrity protections for ePHI.
If a signer says the certificate is untrusted, check whether the certificate chain or revocation status is missing. signNow audit records can help confirm signer identity, but the certificate itself must still validate through the trust chain and current status data.
If you need bulk routing, use Business Premium or higher. The Business plan covers legally binding eSignatures, audit trails, and templates, while Business Premium adds bulk send. That matters when many recipients need the same document at once.
If a record must support FDA-regulated use, Part 11 workflows need secure audit trails, unique user IDs, and two-component signatures. signNow can support regulated record handling, but the process still needs validation and documented controls.
If a signature looks valid but the document still fails review, compare the stored hash to the current file. A changed hash means the document was altered after signing, even if the signature image still appears intact.
Vendor comparison at a glance
The table compares core signing and pricing points that affect verification, retention, and workflow fit.
| signNow | DocuSign | Adobe Sign | PandaDoc |
|---|---|---|---|
| ESIGN and UETA | Yes | Yes | Yes |
| Audit trail | Yes | Yes | Yes |
| Starting price | $8/user/mo | $15/user/mo | $14/user/mo |
| Free trial | 7-day trial | Not verified | Not verified |
| Envelope cap | No cap | 100/year | Not verified |
Rollout and retention timeline
This timeline combines rollout milestones with retention and policy facts that affect how signed records are stored and reviewed.
Day 0:
Day 1:
Week 1:
7-day trial:
HIPAA retention:
Part 11 records:
UETA coverage:
Long-term validation:
Risks of ignoring verification
Attribution risk
Evidence loss
HIPAA exposure
FDA risk
Inside the audit trail
The audit trail records the signing event from identity check through export, creating a reviewable history of the transaction.
Signer authentication:
Timestamp capture:
Document hashing:
Tamper-evident sealing:
Audit storage:
Audit export:
Pricing and plan features
Pricing and feature availability vary by vendor, plan tier, and compliance needs, so the table keeps the comparison focused on verified details.
| signNow | DocuSign | Adobe Sign | PandaDoc | HelloSign | |
|---|---|---|---|---|---|
| Starting price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free trial | 7-day trial | Not verified | Not verified | Not verified | Not verified |
| Bulk send | Business Premium | Not verified | Not verified | Yes | Not verified |
| Audit trail | Included | Included | Included | Included | Included |
| HIPAA compliance | BAA required | Available | Available | Not verified | Available |
Key performance indicators that demonstrate SignNow's proven track record.