{"name":"cedar_hollow_drawing","synthetic":true,"image_url":"/downstream/fixtures/drawing/image","recording":{"transcription":"CEDAR HOLLOW DEMONSTRATION DAM\nGENERAL ARRANGEMENT | SHEET 2 OF 5 | 1958\nTOP OF DAM EL. 742.6\nMAX. EMBANKMENT HT. 31 FT\nCONC. O.F. SPILLWAY 18'-0\"\nSYNTHETIC FIXTURE | NO AGENCY SEAL","facts":[{"key":"crest_elevation","value":"742.6","quoted_text":"TOP OF DAM EL. 742.6","confidence":1.0},{"key":"spillway","value":"CONC. O.F. SPILLWAY 18'-0\"","quoted_text":"CONC. O.F. SPILLWAY 18'-0\"","confidence":1.0},{"key":"dam_height_ft","value":"31","quoted_text":"MAX. EMBANKMENT HT. 31 FT","confidence":1.0}]},"truth":{"synthetic":true,"facts":{"crest_elevation":"742.6","spillway":"concrete overflow spillway, 18 ft","dam_height_ft":"31"}},"accuracy":{"model":"gemini-3.5-flash","location":"global","project":"agentic-fleet-2026","fields":{"crest_elevation":true,"spillway_width":true,"dam_height_ft":true,"all_quotes_grounded":true,"no_dropped_facts":true},"correct":5,"total":5,"synthetic_fixture":true},"note":"One recorded Vertex AI Gemini 3.5 Flash call, graded against adjacent truth."}