TAMPER-EVIDENT · SHA-256 AUDIT CHAIN

Every Sample.
Every Transfer.
Immutable.

Tamper-evident DNA sample tracking, secured by a cryptographic hash chain, with built-in consent governance — purpose-built for genomics research and clinical compliance.

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SOC 2 Type II ready 21 CFR Part 11 HIPAA · GDPR · GxP

LIVE DEMO

See the chain in motion.

A real-time view of custody events being hashed, chained, and verified — including how tampering is caught the moment a chain link breaks.

LIVE CHAIN-OF-CUSTODY

SAMPLE LINEAGE

RegisteredVERIFIED
sha256 8f2a…3b14
ProcessedVERIFIED
sha256 a117…d29c
TransferredVERIFIED
sha256 c44e…7901
Tamper detectedREJECTED
chain link broken · MISMATCH

PLATFORM

A single source of truth for every specimen.

Tamper-Evident Lineage

Every custody event hashed with SHA-256 and chained to the previous one. Any post-hoc edit breaks the chain and fires an integrity alert in seconds.

Dynamic Consent Engine

Versioned, scope-aware participant consent with automated expiry alerts and instant withdrawal cascades.

Real-Time Global Tracking

Live custody map with dual-signed transfers and per-shipment manifests committed as a single hash-chain entry.

HOW IT WORKS

Cryptographic proof at every handoff.

Each registration, transfer, processing step, and consent change is hashed with SHA-256 and linked to the previous event in a per-sample audit chain. Verifying a sample's full provenance takes one click — and produces a regulator-ready, independently verifiable PDF report signed against the chain.

STEP 1

Submit

Custody event captured with actor, location, time

STEP 2

Hash

SHA-256 digest computed deterministically off the canonical record

STEP 3

Chain

New hash appended to the per-sample chain — sub-second commit

STEP 4

Verify

Re-hash the live record and walk the chain forward — any broken link surfaces tampering

verify.dnachain.app — sample DNA-2024-00417

> dnachain verify --sample DNA-2024-00417
 
[ok] event #1  registered     sha256 8f2a…3b14  link #1
[ok] event #2  processed      sha256 a117…d29c  link #2
[ok] event #3  stored         sha256 44ce…0a8f  link #3
[ok] event #4  transferred    sha256 c44e…7901  link #4
[..] event #5  analysis       sha256 9b21…f30a  pending
─────────────────────────────────────────────
INTEGRITY: 100% CHAIN LINKS VERIFIED: 4/5
SIGNED REPORT → audit/DNA-2024-00417.pdf

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