{"id":"historian","model_id":"Data Historian","name":"Data Historian","summary":"A data historian is a centralized database. It supports data analysis using statistical process control techniques.","study_notes":["Source: NIST SP 800-82r3."],"safety_notes":[],"sources":[{"url":"https://csrc.nist.gov/glossary/term/data_historian","title":"Data Historian - Glossary | CSRC","accessed":"2026-10-25"}],"verification":{"status":"source_checked","checked_at":"2026-10-25","values":2,"method":"llm_source_check"},"updated_at":"2026-10-25","type":"operational","spec":{"kind":"system","origin":"NIST SP 800-82r3","related":[]},"url":"https://machineschema.com/operational/historian","license":"https://creativecommons.org/licenses/by/4.0/"}