{"id":"clm_ADE3215BA0F6","entity":"nist","predicate":"expanded","value":"Chemical fingerprint library","value_json":{"feed":"nist-news","item":"https://www.nist.gov/news-events/news/2026/06/nist-expands-its-library-chemical-fingerprints-identify-unknown-substances","evidence":"Researchers and manufacturers rely on the library to identify unknown compounds in food, drugs, cosmetics, the environment, body fluids, forensic evidence and even space rocks.","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-06-09","valid_to":null,"confidence":0.7,"status":"valid","superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-28T00:33:35.946214+00:00","updated_at":"2026-10-28T03:55:03.714844+00:00","sources":[{"url":"https://www.nist.gov/news-events/news/2026/06/nist-expands-its-library-chemical-fingerprints-identify-unknown-substances","tier":"primary","publisher":"NIST","published_at":"2026-06-09T00:00:00+00:00"}]}