Signer Verification Methods: Establishing Signer Attribution
Direct Answer
Signer verification methods are technical procedures used to confirm that an electronic signature is attributable to the specific individual named in the contract. SignCEO employs email-based token authentication, session validation, and forensic logging of IP addresses, user agents, and timestamps to establish clear signer attribution.
Practical and Defensible Identity Attribution
Under the Uniform Electronic Transactions Act (UETA § 9), an electronic signature is legally binding if it can be attributed to the person. Attribution may be proven in any manner, including showing the efficacy of any security procedure used.
For everyday commercial agreements, multi-step identity verification must balance legal security with user convenience. Requiring signers to upload government IDs or undergo biometric scans often causes high friction and delays.
SignCEO utilizes email-based cryptographic token verification as the primary authentication mechanism. Senders invite recipients via their verified business or personal email address, ensuring that only individuals with access to that private inbox can review and sign the contract.
- Secure email verification links deliver encrypted, time-limited signing tokens
- Detailed forensic logging captures IP addresses, browser environments, and UTC timestamps
- Audit certificate binds all verification metadata directly to the executed PDF file
- Meets statutory attribution standards for standard commercial transactions
Forensic Session Recording
At the moment of signing, SignCEO logs the participant’s internet protocol (IP) address, operating system, browser user-agent, and exact time of action, providing objective corroborating evidence of who signed.
Frequently Asked Questions
Is email verification legally sufficient for electronic signatures?
Yes. For the vast majority of commercial agreements, email token verification combined with IP and timestamp logging satisfies legal attribution requirements.
What happens if a signer claims someone else signed their email link?
SignCEO audit trail provides the IP address, device details, and timestamps, which can be cross-referenced with network records to establish attribution.
Can I see the signer's verification details after they sign?
Yes. The certificate of completion appended to the executed PDF displays full signer verification metadata.
How much does SignCEO cost for verified electronic signing?
SignCEO Standard is $0/month with 3 free envelopes every month. Additional envelopes can be purchased in packs of 5 for $10 or 25 for $25 with no subscription required.
SignCEO Transparent Pricing
Straightforward pricing with zero surprise charges, no arbitrary price hikes, and no required credit card to start:
SignCEO Standard Plan ($0/month)
3 free envelopes every month. Additional envelope packs: 5 for $10 or 25 for $25. Purchased envelopes never expire. Recipients sign free without accounts.
ClientCEO Integration (10 Free/month)
10 free envelopes monthly per unique user for ClientCEO users. 5 envelopes for $10 or 25 for $25. Purchased credits never expire.