EngineeringID E n g i n e e r i n g I D

Recently shipped v2.4 · 2026.05

SHA-256

Tamper-evident seals

X.509 PKI + RFC 3161 timestamps. Verifiable offline.

NEW

Hash-chained audit log

Tampering with one record breaks every record after.

HMAC

API & webhook hardening

Hashed keys, signed webhooks, scoped tokens.

Security

Encryption
Multi-factor auth
Device management
Document integrity NEW
Audit chain
SSO / SAML NEW
API security NEW
Key management SOON
Infrastructure

Documents

Document sealing
Version history
Cloud storage

Highlights

PDF/A-2b archival
RFC 3161 timestamps
Batch sealing
11+ storage providers

Compliance

SOC 2
Audit logs
Public verification

Frameworks

SOC 2 Type II READY
ISO 27001 ROADMAP
HIPAA · GDPR · eIDAS
21 CFR Part 11

Identity

Credentials
Stamp designer
Public directory

Includes

X.509 signing certs
Visual stamp editor
Auto board verification
PE RA PLS PLA

Platforms native

Web iOS Q3 macOS Q3 Android Q4

Plugins host-app

Adobe Chrome

One API. Every client.

Web and plugins call the same audited GraphQL v1 surface. Native clients use gRPC v1 for binary streams over HTTP/2.

GraphQL v1 + gRPC v1 · How we secure it

SOC 2 Type II ready · ISO 27001 scoping

Docs Integrations Changelog Roadmap | All features

Pricing Free Stamp Tool Enterprise

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EngineeringID

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About

Directory /
Civil Engineer /
California

Civil Engineers in California

Browse 74356 licensed civil engineers in California

74.4K

Active Licenses

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All

5 of 74356

Maciej Wojciech Czajkowski

Costa Mesa, CA #32946

Active

Robert Martin Czarnecki

Carlsbad, CA #26933

Active

Timothy Stanley Czarnik

Plainsboro, CA #74288

Active

David Czech

Roseville, CA #C 90693

Active

David Czech

Roseville, CA #90693

Active

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EngineeringID

Professional document sealing and credential verification for licensed engineers, architects, surveyors, and landscape architects.

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Verify a Document

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License Lookup
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API Overview
REST API
Webhooks
GraphQL
Report a Vulnerability

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This is your EngineeringID.

Save your stamp to your free account and it's yours — on every device, forever.

Apply your stamp to PDFs — generous size limit, most submittals qualify.

Every sealed document gets a verification code anyone can check.

A public profile that proves your license is current — no board call needed.

Free. No credit card. No expiration.

Save to My EngineeringID

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