{"schema": "too.foo.history.image-prompt.v1", "slug": "1884-01-07-german-microbiologist-robert-koch-isolates-vibrio-cholerae-the-choler", "release": "4b157fe58dc3a255", "image_key": "1884-01-07-german-microbiologist-robert-koch-isolates-vibrio-cholerae-the-choler", "image_sha256": "4b6a9feba1993b70899334e367726f82d21fdf9704296929482b696d3e8eeaa9", "job": "20260827-203123-tier3", "model": "Ideogram 4 (fp8)", "preset": "V4_TURBO_12", "steps": 12, "seed": 20260823, "width": 1216, "height": 832, "caption_mode": "json", "caption": {"high_level_description": "Robert Koch, seated three-quarter away, presses a steel nib to his fifth Calcutta dispatch while three upright nutrient-gelatin culture tubes sit within reach, their separated growth the result he is reporting; his pen hand is partly hidden by cuff and forearm. A high-ceilinged, lime-plastered commission laboratory in Calcutta, with a heavy dark-hardwood worktable below unevenly opened timber shutters; the table’s left front edge is rubbed pale from repeated contact. Koch’s weight settles onto the chair seat; the chair’s two visible rear legs contact the stone floor. The dispatch sheet lies flush on the worktable, with Koch’s left forearm pinning its lower edge. Koch’s curled right fingers encircle the pen holder; his wrist rests on the table and the steel nib touches the sheet. Each culture tube is seated inside a drilled opening in the wooden rack; the rack rests flat on the worktable. The microscope’s horseshoe foot rests flat on the worktable behind the culture rack. The worktable’s two visible legs contact the stone floor. The window is fixed within the left wall; its daylight produces narrow left-edge highlights on the glass tubes and brass microscope. Koch’s standing height is 1.72 m; each culture tube is 15 cm long and the foolscap sheet measures 33 × 21 cm. It is 1884: Lightweight off-white linen coat over a white stand-collar shirt and dark waistcoat; plain dark trousers, working cuffs close around both wrists.; Cream rag paper, steel nib, dark wood, clear blown glass, nutrient gelatin, brass, blackened iron, lime plaster and stone.; Dip pen and blotter; nutrient-gelatin tube culture in a drilled wooden rack; 1880s brass monocular microscope.", "style_description": {"aesthetics": "Concentrated scientific reporting under provisional evidence. Documentary photographic realism: subtle film grain, believable wear on every material, candid imperfect framing.", "lighting": "One broad daylight source through the left window at medium height; soft shadows fall rightward, with matching left-edge highlights on glass, steel and brass.", "photo": "50mm, f/2.8, 3 m, Candid, off-centre medium-wide view from Koch’s left rear; the culture rack sits left of the pen action while the window and microscope soften into the background.", "medium": "photograph", "color_palette": ["#1E1913", "#4A3B28", "#8A7350", "#C9B892", "#2B2B2A"]}, "compositional_deconstruction": {"background": "A high-ceilinged, lime-plastered commission laboratory in Calcutta, with a heavy dark-hardwood worktable below unevenly opened timber shutters; the table’s left front edge is rubbed pale from repeated contact. One broad daylight source through the left window at medium height; soft shadows fall rightward, with matching left-edge highlights on glass, steel and brass.", "elements": [{"type": "obj", "bbox": [170, 555, 885, 910], "desc": "One seated 1.72 m man, three-quarter back view; right hand closes around the pen holder, left forearm covers the lower sheet, face softened in partial profile."}, {"type": "obj", "bbox": [580, 390, 775, 705], "desc": "One cream foolscap sheet, 33 × 21 cm, lying flat beneath Koch’s forearm; a dark blotter covers its upper half, leaving the nib contact point visible."}, {"type": "obj", "bbox": [490, 555, 680, 695], "desc": "One 18 cm dark-wood holder with steel nib, angled down from Koch’s curled fingers; the flexed nib meets the sheet at one short wet ink stroke."}, {"type": "obj", "bbox": [405, 190, 715, 395], "desc": "Exactly three 15 cm glass tubes stand upright in a 28 cm drilled wooden rack; pale gelatin fills their lower thirds, carrying distinct cloudy growth tracks."}, {"type": "obj", "bbox": [245, 75, 605, 275], "desc": "One 1880s brass monocular microscope on a black horseshoe foot, resting behind the rack; its worn eyepiece points away and falls softly out of focus."}, {"type": "obj", "bbox": [535, 75, 955, 975], "desc": "Heavy 1.5 m dark-hardwood table; two visible legs meet the floor, small ink stains surround the sheet, and its left front edge is rubbed pale."}, {"type": "obj", "bbox": [35, 15, 515, 215], "desc": "Tall window at far left with two broad timber shutters opened unevenly; the camera-side jamb bears a pale shoulder-height scuff."}, {"type": "obj", "bbox": [570, 695, 975, 935], "desc": "Simple dark-wood chair beneath Koch, partly hidden by his coat and table; two rear legs meet the stone floor, and one seat corner is worn smooth."}]}}, "rendered_input": "{\"high_level_description\": \"Robert Koch, seated three-quarter away, presses a steel nib to his fifth Calcutta dispatch while three upright nutrient-gelatin culture tubes sit within reach, their separated growth the result he is reporting; his pen hand is partly hidden by cuff and forearm. A high-ceilinged, lime-plastered commission laboratory in Calcutta, with a heavy dark-hardwood worktable below unevenly opened timber shutters; the table’s left front edge is rubbed pale from repeated contact. Koch’s weight settles onto the chair seat; the chair’s two visible rear legs contact the stone floor. The dispatch sheet lies flush on the worktable, with Koch’s left forearm pinning its lower edge. Koch’s curled right fingers encircle the pen holder; his wrist rests on the table and the steel nib touches the sheet. Each culture tube is seated inside a drilled opening in the wooden rack; the rack rests flat on the worktable. The microscope’s horseshoe foot rests flat on the worktable behind the culture rack. The worktable’s two visible legs contact the stone floor. The window is fixed within the left wall; its daylight produces narrow left-edge highlights on the glass tubes and brass microscope. Koch’s standing height is 1.72 m; each culture tube is 15 cm long and the foolscap sheet measures 33 × 21 cm. It is 1884: Lightweight off-white linen coat over a white stand-collar shirt and dark waistcoat; plain dark trousers, working cuffs close around both wrists.; Cream rag paper, steel nib, dark wood, clear blown glass, nutrient gelatin, brass, blackened iron, lime plaster and stone.; Dip pen and blotter; nutrient-gelatin tube culture in a drilled wooden rack; 1880s brass monocular microscope.\", \"style_description\": {\"aesthetics\": \"Concentrated scientific reporting under provisional evidence. Documentary photographic realism: subtle film grain, believable wear on every material, candid imperfect framing.\", \"lighting\": \"One broad daylight source through the left window at medium height; soft shadows fall rightward, with matching left-edge highlights on glass, steel and brass.\", \"photo\": \"50mm, f/2.8, 3 m, Candid, off-centre medium-wide view from Koch’s left rear; the culture rack sits left of the pen action while the window and microscope soften into the background.\", \"medium\": \"photograph\", \"color_palette\": [\"#1E1913\", \"#4A3B28\", \"#8A7350\", \"#C9B892\", \"#2B2B2A\"]}, \"compositional_deconstruction\": {\"background\": \"A high-ceilinged, lime-plastered commission laboratory in Calcutta, with a heavy dark-hardwood worktable below unevenly opened timber shutters; the table’s left front edge is rubbed pale from repeated contact. One broad daylight source through the left window at medium height; soft shadows fall rightward, with matching left-edge highlights on glass, steel and brass.\", \"elements\": [{\"type\": \"obj\", \"bbox\": [170, 555, 885, 910], \"desc\": \"One seated 1.72 m man, three-quarter back view; right hand closes around the pen holder, left forearm covers the lower sheet, face softened in partial profile.\"}, {\"type\": \"obj\", \"bbox\": [580, 390, 775, 705], \"desc\": \"One cream foolscap sheet, 33 × 21 cm, lying flat beneath Koch’s forearm; a dark blotter covers its upper half, leaving the nib contact point visible.\"}, {\"type\": \"obj\", \"bbox\": [490, 555, 680, 695], \"desc\": \"One 18 cm dark-wood holder with steel nib, angled down from Koch’s curled fingers; the flexed nib meets the sheet at one short wet ink stroke.\"}, {\"type\": \"obj\", \"bbox\": [405, 190, 715, 395], \"desc\": \"Exactly three 15 cm glass tubes stand upright in a 28 cm drilled wooden rack; pale gelatin fills their lower thirds, carrying distinct cloudy growth tracks.\"}, {\"type\": \"obj\", \"bbox\": [245, 75, 605, 275], \"desc\": \"One 1880s brass monocular microscope on a black horseshoe foot, resting behind the rack; its worn eyepiece points away and falls softly out of focus.\"}, {\"type\": \"obj\", \"bbox\": [535, 75, 955, 975], \"desc\": \"Heavy 1.5 m dark-hardwood table; two visible legs meet the floor, small ink stains surround the sheet, and its left front edge is rubbed pale.\"}, {\"type\": \"obj\", \"bbox\": [35, 15, 515, 215], \"desc\": \"Tall window at far left with two broad timber shutters opened unevenly; the camera-side jamb bears a pale shoulder-height scuff.\"}, {\"type\": \"obj\", \"bbox\": [570, 695, 975, 935], \"desc\": \"Simple dark-wood chair beneath Koch, partly hidden by his coat and table; two rear legs meet the stone floor, and one seat corner is worn smooth.\"}]}}", "prompt_sha256": "73187a9f539d3f8b229c185448a9d37d79089c32218ec70f28d05aeffba23480"}