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Model Fingerprinting

Unique Cryptographic Signatures for ML Models

Verify model integrity, detect tampering, and maintain trust across your entire ML pipeline

How Model Fingerprinting Works

01

Upload Model

Connect your model registry or upload directly

02

Generate Hash

SHA-256 fingerprint of weights and architecture

03

Sign & Store

Cryptographic signature stored immutably

04

Verify Anywhere

Validate integrity at any deployment point

Complete Model Identity

🧠

Model Weights

Hash of all trainable parameters and biases

🏗️

Architecture

Layer configurations, connections, and structure

📊

Training Config

Hyperparameters, optimizer settings, epochs

📦

Dependencies

Framework versions, library requirements

📝

Metadata

Author, timestamp, version, description

🔗

Lineage

Parent models, fine-tuning history, dataset refs

Protect Against Model Threats

⚠️

Model Tampering

Detect unauthorized modifications to weights or architecture

Instant verification against stored fingerprint

⚠️

Supply Chain Attacks

Malicious models injected into your pipeline

Verify authenticity at every deployment stage

⚠️

Model Swapping

Production model replaced with compromised version

Continuous integrity monitoring in production

⚠️

Backdoor Injection

Hidden triggers added during fine-tuning

Track all modifications with immutable audit trail

Supported Model Formats

PyTorch (.pt, .pth)
TensorFlow (SavedModel)
ONNX (.onnx)
Keras (.h5, .keras)
Hugging Face
JAX/Flax
scikit-learn (.pkl)
XGBoost
LightGBM
GGUF/GGML
SafeTensors
MLflow

Integrate with Your Pipeline

Model fingerprinting integrates seamlessly with your existing ML workflow. Generate fingerprints during training, verify during deployment.

  • GitHub Actions & GitLab CI integration
  • MLflow & Kubeflow plugins
  • REST API for custom workflows
  • CLI tool for local development
  • SDK for Python, JavaScript, Go
# Generate fingerprint
nexula fingerprint model.pt
# Verify in production
nexula verify --model model.pt \
--fingerprint abc123...
✓ Model integrity verified

Start Protecting Your Models Today

Generate your first model fingerprint in under 2 minutes. Free for up to 10 models.