# Klyran Technical Architecture & Specification Manual (Full Reference)

> Complete architectural specification for Klyran, the Verifiable Financial Substrate and Autonomous Financial Engine for enterprise subsidiaries, mid-market companies, and scale-ups.

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## 1. Executive Problem Statement: The Liability of Mutable State in AI Finance

Traditional ERPs rely on mutable relational database records. When transactions are updated, rows are overwritten in place. While functional for human data-entry workflows, this paradigm fails when autonomous AI agents act upon financial ledgers:
1. When an AI agent re-categorizes revenue, changes amortization, or matches an unbilled invoice, an in-place `UPDATE` destroys previous state.
2. In enterprise finance and statutory audits (PCAOB, SOX, IFRS), actions without verifiable audit logs are indistinguishable from ledger tampering.
3. Klyran solves this by replacing mutable database tables with an append-only, event-sourced Sovereign Ledger where every journal entry is immutable, cryptographically hashed, and traceable to its origin source documents.

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## 2. Core Architectural Pillars

### 2.1 Immutable Event-Sourced Ledger
- Every ledger posting consists of balanced double-entry debits and credits recorded with monotonic microsecond timestamps.
- Zero in-place row mutation. Corrections are executed as explicit reversal journal entries with reference hashes pointing to the original record.
- Deterministic state reconstruction: Any balance sheet, income statement, or trial balance can be mathematically replayed and verified at any exact timestamp in history.

### 2.2 Shadow-Mode ERP Ingestion
- Modernizing financial infrastructure traditionally requires a high-risk "rip and replace" ERP migration.
- Klyran deploys in **Shadow-Mode**:
  1. Real-time read-only connectors ingest transactions from NetSuite, SAP, Sage Intacct, or QuickBooks.
  2. Klyran normalizes, maps, and executes continuous reconciliation in parallel.
  3. Discrepancies between human manual entries and automated ledger calculations are surfaced in the Reconciliation Cockpit.
  4. Once mathematical parity is demonstrated over consecutive close cycles, write traffic can transition incrementally with zero operational disruption.

### 2.3 Continuous Month-End Close
- In traditional setups, month-end close takes 10 to 18 days of manual spreadsheet reconciliations.
- Klyran operates as a continuous close engine:
  - Bank transaction ingestion and automatic 3-way matching (PO, Goods Receipt, Vendor Invoice).
  - Continuous accrual posting and foreign exchange revaluation.
  - Intercompany elimination across multi-tier subsidiary trees at transaction time.

### 2.4 ASC 606 & IFRS 15 Revenue Engine
- Automated contract extraction and performance obligation identification.
- Dual-book accounting for deferred revenue, multi-element arrangements, and milestone recognition.
- Transparent audit proofs linking every recognised dollar to signed customer contracts and usage metrics.

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## 3. Data Sovereignty & Security Architecture

- **Tenant Isolation**: Strict logical and cryptographic boundaries ensuring zero tenant data co-mingling.
- **Model Privacy**: Enterprise ledger data, journal entries, and customer source documents are processed in dedicated environments and are **never** used to train shared foundational LLMs.
- **Compliance Alignment**: Architecture built to meet AICPA SOC 2 Type II controls, ISO 27001 data protection, and SOX 404 IT general controls (ITGC).

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## 4. Regional Pricing & Currency Matrix

Klyran automatically calculates regional enterprise pricing based on jurisdictional purchasing power and local currency standards:
- **Founding Design Partner Program**: Private beta access with direct solution engineering support.
- **Scale-Up Tier**: For venture-backed companies with high transaction volumes and 2-5 subsidiaries.
- **Enterprise Tier**: Custom multi-entity deployments, dedicated isolation, and 24/7 SLA.
- **Supported Billing Currencies**: USD, EUR, GBP, JPY, SGD, AED, INR, AUD, CAD, HKD, CHF, THB, MYR, IDR, VND, PHP.

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## 5. Official Corporate Identity & Contacts

- **Platform Name**: Klyran (AI Financial Architecture)
- **Operations & Engineering**: Pune, Maharashtra, India
- **Enterprise Contact Channels**:
  - Sales & Technical Demos: sales@klyran.com
  - Careers & Recruiting: careers@klyran.com
  - Compliance & Inquiries: info@klyran.com
- **Web**: https://klyran.com