The same corpus and ranking umbra lookup uses — an exact identifier always resolves to its own page.
| Namespace | What it holds | Example |
|---|---|---|
| cve/ | CISA KEV + NVD vulnerability records | CVE-2021-44228 |
| technique/ | MITRE ATT&CK Enterprise techniques | T1557.002 |
| weakness/ | MITRE CWE weaknesses and categories | CWE-79 |
| rfc/ | Curated core IETF RFCs | RFC 826 |
| concept/ protocol/ | Hand-written explainers | ARP poisoning |