How Digital DNA Works withDifferent Document Types
Understanding how SecureSign's Digital DNA technology creates baseline integrity protection for PDF images, searchable PDFs, Word documents, and any file format.
Digital DNA: Embedded at Database Level
Key Insight: SecureSign's Digital DNA technology creates a cryptographic "fingerprint" that is embedded into each document at the database level. This SHA-256 fingerprint captures the complete binary structure of ANY file format without modifying the original document.
- • Document ID: Primary key linking DNA to specific document
- • Serial Number: Unique 16-character alphanumeric identifier
- • Chain Hash: Cryptographic chain maintaining document lineage
- • Baseline Hash: Original SHA-256 fingerprint stored with document
- • DNA Fingerprint: Composite hash of all document metadata
- • Works with ANY file type (PDF, Word, Excel, images, etc.)
- • Cannot be tampered with - DNA stored separately from document
- • No OCR conversion required - preserves original file integrity
- • Any change to document (even 1 bit) breaks the DNA chain
- • Maintains legal admissibility of original documents
- • Cryptographic association stronger than content embedding
Select Document Type to See How Digital DNA Works:
PDF Image (Scanned Document)
How Digital DNA is Created:
File Upload
Original scanned PDF image is uploaded (e.g., 2.3 MB file)
Pixel-Level SHA-256 Hash Generation
Every pixel in the scanned image is mapped and read as binary data. The complete pixel matrix is processed through SHA-256 algorithm to create the Digital DNA fingerprint.
✓ All 1,200,000+ pixels captured in hash (for typical 8.5x11" scan at 300 DPI)
Digital DNA Embedded at Database Level
Hash becomes the Digital DNA baseline and is embedded into the document record through:
- • Document ID association in digital_dna_chain table
- • Unique 16-character serial number linkage
- • Cryptographic chain hash for lineage tracking
- • Tamper-proof database-level embedding
What This Means:
Since every pixel is mapped into the SHA-256 hash, changing even a single pixel (like erasing a signature line or modifying a date) completely breaks the Digital DNA chain. This provides forensic-level tamper detection for PDF image contracts.
Technical Implementation
SHA-256 Algorithm Process:
Verification Process:
How Digital DNA Maintains Document Association
Database-Level Embedding Structure:
Chain of Custody Tracking:
Marketing Position: "Embedded at Database Level"
For marketing purposes, you can accurately say that Digital DNA is "embedded into each document"because it becomes an inseparable part of the document's identity through cryptographic database association.
Technical Reality:
SHA-256 hash stored in secure database with cryptographic links to document
Marketing Message:
"Digital DNA embedded into every document for tamper-proof security"
Key Advantages of Database-Level Digital DNA
Pixel-Perfect Protection
Every pixel in PDF images is mapped into the SHA-256 hash. No OCR conversion needed - complete binary protection.
Cryptographic Association
Database-level embedding through serial numbers and chain hashes provides stronger security than content embedding.
Universal Compatibility
Works with ANY file format while preserving legal admissibility and original document integrity.