About
Archivist Sort · Centennial Defense Systems
Archivist Sort is local-first macOS software for governed file cleanup: scan, review, plan, quarantine, receipt, rollback. It is built and sold by Centennial Defense Systems.
The company
Centennial Defense Systems, Inc. is a Colorado Springs, Colorado software company. Public company copy: small company, direct accountability. Founded 2026. Canonical company site: centennialsystems.com.
The legal name identifies the company. It does not, by itself, assert a formation jurisdiction or a current good-standing conclusion. That hedge is the company's own public record — we repeat it here rather than overclaim.
This Colorado Springs software company is not affiliated with the unrelated retailer at centennialdefensesystems.com.
Who builds it
Founder: Christopher “CJ” Chanhnourack. Public profile also notes Marine veteran. Person-scoped profiles: GitHub, LinkedIn.
No employee count, funding round, or customer count is published here because none is a verified public figure we will invent. If a number is not already on a CDS or Archivist public page, it is not on this page.
The product line
- Archivist Sort — this site. Direct-sale notarized macOS DMG. Local-first cleanup. Scan and plan are free; execute is a one-time purchase.
- Archivist — local-first investigative evidence software. archivist.tools is a request-access beta; no public download or self-serve checkout on that product as of the live about page there.
- Deponent — a separate public research prototype on the company site.
- Testify Challenge (AAAP) — a public cryptographic challenge: a sealed, signed evidence packet for an AI agent run, with an open invitation to break it. Every Centennial tool testifies — it doesn't answer, it shows a receipt you can verify. Sort is the small trust-proof; the public software registry extends the same discipline up to governed AI agent infrastructure.
Archivist and Archivist Sort are separate products from Centennial Defense Systems, Inc. Archivist is request-access investigative evidence software; Archivist Sort is a self-serve macOS cleanup utility with a free scan and plan and a $29 one-time execution license. The company-side relationship page is centennialsystems.com/products/archivist-sort.