Patented technology

U.S. Patent 12,536,365 B1

Neural-Symbolic Hybrid System for Direct Binary Document Synthesis with Integrated Constraint Satisfaction

Patent No.
12,536,365 B1
Filed
Jun. 26, 2025
Granted
Jan. 27, 2026
Inventors
Gaurav Gupta, Renu Gupta (Fremont, CA)
Scope
15 claims, 10 drawing sheets

Abstract

A neural-symbolic hybrid system for generating binary document formats directly from natural language input. The system comprises a binary-aware hierarchical tokenizer operating across four levels (binary bytes, structural elements, semantic content, and concepts), a constraint satisfaction engine with 64 parallel processing cores for enforcing structural integrity and mathematical consistency, format-specific processors for Excel, PowerPoint, PDF, and CAD documents, and a formal verification system generating mathematical proofs of correctness. The system eliminates intermediate conversion steps while maintaining semantic preservation through accelerated constraint satisfaction and formal verification engines ensuring structural integrity, format compliance, and security through AES-256 encryption and automated regulatory compliance across 25+ international standards.

The software that makes it work

The patent's four software innovations - each independently novel, together unprecedented:

  1. Binary-aware hierarchical tokenizer. Operates simultaneously at four resolutions - raw binary bytes, structural format elements, semantic content, and high-level concepts. Instead of generating Markdown and converting, the model understands the target file format end-to-end as it writes, so an Excel workbook or a PDF report comes out valid on the first pass.
  2. Constraint satisfaction engine with 64 parallel solver cores. Enforces structural integrity and mathematical consistency in parallel with generation - totals add up, cross-sheet references resolve, document schemas validate. Catches violations before any byte hits disk.
  3. Format-specific processors. Dedicated synthesizers for Excel (.xlsx), PowerPoint (.pptx), PDF, and CAD - each bound to the official format specification. What the system ships is bit-for-bit valid in Microsoft Office, Adobe Reader, AutoCAD, and every downstream tool your team already uses.
  4. Formal verification system. Produces a mathematical proof that each output is structurally correct. The proof is independently checkable, attached to the audit log, and accepted by auditors instead of requiring the file to be re-tested by hand.

Why it matters

Generic LLMs write text. They cannot reliably produce a regulator-grade financial model, a SOX-compliant evidence pack, a HIPAA-mapped data classification report, or a CAD drawing whose constraints actually hold. This patent covers the software that closes that gap - directly synthesizing binary documents that are formally proven correct, then signing them into the audit log. It is what lets a Vouchstone AI engineer deliver finished, verifiable artifacts rather than draft text someone else has to clean up.

The system also references custom AI Document Generation Processor (AIDGP) silicon for hardware acceleration; the software components above operate independently of the specialized hardware and run on commodity GPUs.

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Patented technology - U.S. Patent 12,536,365 B1. Additional patents pending in the United States and abroad.