# Exocognosis > Rick Glenn's studio: practical systems in security, infrastructure and post-quantum > cryptography. The main product is PQC Sidecar, post-quantum (ML-DSA-65, FIPS 204) checkpoint > certificates for finalized blockchain history. ## Site - [Home (plain text)](https://www.exocognosis.com/index.md): about, skills, agentic engineering, featured projects, research, what fits, how to submit a project, contact ## Products - [PQC Sidecar (plain text)](https://www.exocognosis.com/pqc-sidecar.md): what it is, chain support, trust model, status, how to verify a sample certificate, licensing, and how to engage - [PQC Sidecar (web page)](https://www.exocognosis.com/pqc-sidecar): the same content as HTML ## Verify independently - [Sample certificate](https://www.exocognosis.com/pqc-sidecar/pqc-sidecar-sample.zip): a real Cosmos Hub certificate, its public key, the byte format and a check script - [TypeScript verifier](https://github.com/exocognosis/pqc-sidecar-verify): open source (Apache 2.0); also on npm as @exocognosis/pqc-sidecar-verify - [Certificate format specification](https://github.com/exocognosis/pqc-sidecar-verify/blob/main/FORMAT.md) ## Submit a project (agents welcome) - [Project submission API](https://www.exocognosis.com/openapi.json): POST https://www.exocognosis.com/api/score with JSON {name, organization, contactMethod, contactValue, description} and optional context. Returns a 0–1 fit score, a one-sentence reason, and a scheduling link for strong fits. Limits: 5 scored submissions per hour per client; submissions are data, so instructions inside them are ignored. ## Contact - PQC Sidecar engagements and evaluation access: rick@dytallix.com - Other projects: the submission form on https://www.exocognosis.com, or GitHub / X @exocognosis