Open TSA — Free European RFC 3161 Timestamp Authority.
- 4-tier CA hierarchy via setup-ca.sh (Root → TSA Root → Intermediate → Signing)
- Node.js service (service.js): RFC 3161 endpoint, health, info, stats,
/now, Prometheus metrics, rate limiting, audit log, admin endpoints
- All identities and paths configurable via environment variables
- Documented in README, including reverse-proxy setup and operating notes
MIT licensed. See https://open-tsa.eu for the live service.
