Invoice & Document Intelligence
From Inbox to ERP With Page-Level Evidence & Deterministic Validation
Structured architectural snapshot optimized for enterprise review and generative search synthesis.
Autonomous multi-format document extraction with page-level bounding box evidence, deterministic three-way matching, and straight-through ERP posting.
Every extracted value maps to exact page coordinates with side-by-side source highlighting.
Straight-Through Rate: 88% • Duplicate Detection: 100% • Review Turnaround: < 45s • Monthly Documents: 4,500+
Zero Data Leakage / ISO 27001 Aligned
Executive Summary // Architecture Brief
PRODUCTION SPECIFICATIONAn autonomous document intelligence pipeline reading invoices, contracts, and delivery receipts from emails and supplier portals. Features text-first parsing with OCR fallback, strict Pydantic extraction schemas with bounding-box citations, external deterministic arithmetic and 3-way PO matching, straight-through posting to Odoo/SAP, and an exception review cockpit.
Key Impact & Verified Metrics // 2026 Telemetry
LIVE PRODUCTION BENCHMARKSCore Architecture & Capabilities // Symmetrical Topology
[ 4 OF 4 MODULES DEPLOYED ]Evidentiary Bounding Box Extraction
Every extracted value maps to exact page coordinates with side-by-side source highlighting.
Deterministic 3-Way Match
Code-driven verification of vendor, PO number, line items, and goods receipt notes.
Dual-Channel ERP Dispatch
Idempotent posting via REST APIs with Playwright browser automation for legacy portals.
Exception Review Cockpit
Review screen displaying low-confidence fields beside highlighted source regions for instant 1-tap confirmation.
The Accounts Payable Bottleneck
Deterministic Code Decides, AI Only Proposes
Production Architectural Guarantees
- SHA-256 immutable document ledger ensuring untrusted document text can never alter execution logic
- Page-level bounding box coordinate capture for every extracted line item, tax value, and vendor entity
- External deterministic arithmetic verification and automated 3-way matching against purchase orders and receipts
- Dual-mode ERP posting: direct REST API integration with headless Playwright automation fallback for legacy portals
- Automated regression evaluation harness executing curated 10-document benchmark suites on every prompt update
Invoice & Document Intelligence - Architecture Topology
Live topology inspection, microservice mesh, and protocol specifications for Invoice & Document Intelligence.
Next.js 16 Edge Client
Global CDN distribution with server-side streaming hydration and sub-second TTFB.
YARP / Envoy Gateway
OAuth2/JWT token verification, mTLS encryption, rate limiting, and dynamic tenant routing.
SignalR WebSocket Hub
Bidirectional streaming for live telemetry, chat broadcast, and instant notifications backed by Redis.
C# .NET 9/10 Core Engine
High-throughput event sourcing with MediatR CQRS pipelines and compiled expression trees.
LangGraph AI Mesh
Stateful multi-agent execution with policy guards, token budget controllers, and tool routing.
vLLM Inference Cluster
Self-hosted Llama-3 & DeepSeek models with continuous batching and FP8 quantization.
Vectorless BM25 Engine
Zero vector database lock-in. SQLite FTS5 / Lucene BM25 index with reranking cross-encoder.
Apache Kafka / RabbitMQ
Log-based partitioned event streams for asynchronous auditing, notifications, and telemetry ingestion.
Redis 7.2 Cluster
Distributed cache with sub-millisecond lookups, distributed locks, and SignalR pub/sub backplane.
PostgreSQL Multi-Tenant DB
Strict tenant schema isolation with connection pooling (PgBouncer) and WAL archiving.
Next.js 16 Edge Client
SSR / Edge Worker
Architectural Specification
Global CDN distribution with server-side streaming hydration and sub-second TTFB.
Downstream Pipe Connectors
Verified Production Impact & Client Endorsements
Real feedback from engineering leaders, CTOs, and founders across 15+ years of production deployments.
“Vijay and the SHIVAM ITCS AI team didn't just execute the project - they elevated our entire platform. Their ability to architect complex multi-agent state machines, eliminate latency bottlenecks, enforce zero-hallucination guardrails, and create an intelligent multi-LLM orchestration layer was extraordinary. The final delivery was resilient, battle-tested, and far beyond expectations. One of the strongest AI systems engineering teams in the industry.”
Related Works & Architectures
Explore interconnected production systems, domain-specific implementations, and technical blueprints from our engineering portfolio.
Ready to Build Enterprise Invoice & Document Intelligence?
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