A Joint Initiative · Karmaa Lab × Zortag
SAMANVRA™ (Samanvra) — Physical-Digital Trust Infrastructure

Connecting Physical Identity with Digital Trust

In the era of generative AI and digital manipulation, digital records alone cannot prove that the physical object presented is genuine. SAMANVRA™ creates unclonable 3D optical fingerprints on physical credentials, verified instantly with standard smartphones.

3D Optical

Micro-material fingerprint

< 2s

Smartphone verification

12+ Patents

Worldwide, including India

Zero

Biometrics stored

Patented Material Trust

Looks the Same ≠ Is the Same

The challenge of modern forgery is no longer copying the appearance — it is reproducing the unique, microscopic physical identity.

STAGE 01

Physical Material

The natural, microscopic physical properties embedded into the credential substrate.

STAGE 02

Random 3D Structure

Non-reproducible depth and surface topography unique to each individual object.

STAGE 03

Unique Optical Marker

Optical fingerprint that cannot be copied by photographic or printing techniques.

STAGE 04

Digital Association

Cryptographic link securely anchoring the physical object to the authoritative digital record.

Original Credential

Authentic Material Fingerprint

When scanned with a standard smartphone camera, the patented 3D optical algorithm interrogates micro-surface variations and confirms authentic 3D liveness.

Authentic physical 3D marker detected
3D optical liveness confirmed
Micro-topography matches digital certificate
VERIFICATION MATCH (✓)
Counterfeit / Duplicate

Identical Visual Copy

Even if a forged card looks 100% identical to the human eye, optical scanning detects that the microscopic 3D physical structure is missing or flat.

2D surface detected (no 3D liveness)
Material microstructure mismatch
Cryptographic signature invalid
VERIFICATION FAILS (✗)
The Trust Chain

Five Steps from Physical Object to Digital Trust

Identity becomes trust only when the relationship between the physical and digital world can be continuously verified.

01

IDENTIFY

Recognize the physical credential presented by a citizen or customer.

02

BIND

Cryptographically link the material's unique physical optical marker to a secure digital identifier.

03

VERIFY

Interrogate the physical marker in real time using 3D liveness detection to ensure physical authenticity.

04

RESPOND

Confirm the match with the authoritative digital record (Sarathi, Vahan, DigiLocker, or ICAO).

05

AUDIT

Log the tamper-proof cryptographic verification event for systemic governance and compliance.

Everyday Hardware, Zero Cost

The Smartphone Verification Experience

No expensive, specialized scanning dongles. SAMANVRA utilizes ordinary smartphone cameras with patented 3D optical liveness detection to authenticate genuine physical credentials in under two seconds.

Instant Field Verification

Police officers, border guards, and bank clerks verify IDs right on their duty smartphones.

3D Optical Liveness

Differentiates between a real 3D physical object and a high-resolution screen replay or photocopy.

Offline & Low-Bandwidth Capable

Performs cryptographic verification even in disconnected or remote border checkpoints.

SAMANVRA SCANNER● READY
ALIGN CAMERA TO CREDENTIAL
3D Optical MarkerWAITING
Microstructure LivenessWAITING
Registry & Audit MatchWAITING

Select a test credential below to run live verification:

Seamless Integration

A Layered Trust Architecture

SAMANVRA does not replace existing digital infrastructure. It adds a critical physical assurance layer that operates non-disruptively.

05

Governance & Insight

Policy enforcement, tamper auditing, risk analytics, and cross-department ecosystem oversight.

04

Integration Layer

Open APIs connecting to existing state, national, and enterprise workflows without displacing legacy databases.

03

Identity & Registry

Cryptographic binding of unique physical micro-markers to authoritative digital database records.

02

Verification Protocol

Ordinary smartphone camera 3D optical liveness detection and dedicated edge scanning validation.

01

Physical Trust

The foundational 3D optical fingerprint derived from the random physical structure of the credential substrate.

Public & Enterprise Value

Where Physical Identity Meets Public Trust

One unified trust architecture powering mission-critical government workflows and high-security enterprise credentials.

ICAO 9303 Compliant

ePassport Authentication

Provides an independent physical optical authenticity layer operating complementarily to the ICAO 9303 RF chip protocol. It verifies the physical booklet itself, preventing cloned or swapped passport jackets.

Verifies the booklet, not just the chip
Sarathi & Vahan Ready

Driving Licences & Transport

Empowers traffic enforcement officers to verify physical licence cards using standard smartphones, instantly pulling linked Sarathi/Vahan records and guaranteeing the card is an authentic original.

Zero altered duplicate cards
EMV Substrate Protection

Smart Cards & Banking

While existing chips authenticate the electronic credential, SAMANVRA authenticates that the physical card body itself is the authorized, tamper-proof substrate bound to that specific EMV identifier.

Prevents physical card body spoofing
National Infrastructure Scale

Institutional ID & Transit

High-throughput physical verification for university campus credentials, government defense installations, PSU passes, and metro transit cards without requiring specialized expensive readers.

High-speed field validation
Zero Surveillance Risk

The Marker Identifies the Credential, Not the Person

SAMANVRA answers: “Is this physical document genuine?” — not “Who is this person?”

Zero Biometric Storage

No fingerprint, iris, or facial biometric data of the cardholder is ever stored or captured within the optical marker.

No Aadhaar Linkage Required

Designed to operate independently of national citizen ID numbers, strictly validating the physical credential's authenticity.

Tamper-Proof Audit Trail

Verification events are cryptographically recorded for institutional compliance without tracking personal identity.

Frequently Asked Questions

Moving from Concept to Infrastructure

SAMANVRA creates a microscopic physical fingerprint directly derived from the inherent 3D random structure of the credential material itself. Because this optical microstructure occurs naturally and unpredictably at the microscopic level, it is impossible to replicate with printers, lasers, or 2D photo copies.

SAMANVRA does NOT replace existing systems like Sarathi, Vahan, DigiLocker, or ICAO 9303. Instead, it acts as a non-disruptive, complementary physical trust layer that binds the physical card or document directly to the existing digital records.

None. SAMANVRA is specifically engineered to run on standard, commercial off-the-shelf smartphone cameras. Field officers, inspectors, and clerks verify credentials in under 2 seconds using the camera with 3D optical liveness detection.

No. Privacy is a foundational pillar of SAMANVRA. The marker identifies the physical credential, not the human being. No fingerprint, iris, or facial biometrics are captured or stored in the optical marker, and there is zero requirement for Aadhaar linkage.

The core physical identity and 3D optical authentication technology is backed by more than a dozen worldwide patents, including patents in India and the United States, developed through a joint initiative between Karmaa Lab and Zortag.

Ready to Anchor Physical Identity in Digital Trust?

From ePassports and driving licences to high-security banking cards, start with a pilot to prove the trust chain and scale to national infrastructure.