Public System Ledger

1. Why this ledger exists

The public ledger gives partners, reviewers, and users a concise record of the corporate website’s current release, operating relationships, security posture, and material deployment changes. It supports transparency and change control; it is not an independent audit, warranty, or disclosure of sensitive infrastructure details.

Open machine-readable JSON ledger

2. Company and product relationships

DecisionLayer Systems LLC is the legal and operational company behind independently branded products. The ledger records these relationships without combining product data or product-specific policies.

3. Corporate-site operations

4. Published security controls

• TLS and forced HTTPS
• CSP and security headers
• server-side arithmetic CAPTCHA
• CSRF token
• honeypot
• minimum form time
• IP-hash rate limiting
• server-side validation
• authenticated SMTP
• Nginx-denied root-owned contact configuration

Additional safeguards and responsible-disclosure instructions are described on the Security page.

5. Recent material changes

1. decisionlayer-governance-pages-20260716T190044Z2026-07-16T19:00:46Z

   Removed the machine ledger from primary navigation and deployed professional Privacy, Terms, Security, and human-readable Public Ledger pages with stable in-site footer links.

2. decisionlayer-corporate-site-20260716T184146Z20260716T184146Z

   Initial professional corporate website, product portfolio, legal pages, protected contact workflow, public ledger, and production deployment controls.

6. Interpretation and limits

The ledger is designed to document public operational facts while withholding passwords, secrets, private network details, personal information, and security-sensitive implementation data. A public entry does not guarantee continuous availability or eliminate operational risk.