{"schema": "too.foo.history.image-prompt.v1", "slug": "1968-01-30-vietnam-war-the-tet-offensive-begins-as-viet-cong-forces-launch-a-ser", "release": "4b157fe58dc3a255", "image_key": "1968-01-30-vietnam-war-the-tet-offensive-begins-as-viet-cong-forces-launch-a-ser", "image_sha256": "763ebc28ca8e456b8d362eb65e97101ea9d94b9eac75980bb8412e3c38a69a2c", "job": "20260827-004333-tier2", "model": "Ideogram 4 (fp8)", "preset": "V4_DEFAULT_20", "steps": 20, "seed": 20260823, "width": 1216, "height": 832, "caption_mode": "json", "caption": {"high_level_description": "A mortar round detonates on hard-packed earth beside the Nha Trang naval training compound, its ground-level flash driving an irregular cone of dust and gravel upward against the low perimeter wall as the premature Tet attack begins. Beside the South Vietnamese Navy Training Center at Nha Trang shortly after midnight, 30 January 1968: compacted earth and scattered gravel meet a plain rendered-masonry perimeter wall; a dark one-story roofline rises behind it. The mortar flash touches the earth at the impact point with zero gap; the shallow crater opens at that exact contact. The dust cone originates at the crater rim, widens upward and begins curling back under gravity. All five gravel clods travel away from the impact point and descend toward the continuous earth surface. The perimeter wall’s full base meets the compacted earth; the wall continues beyond both frame edges. The corrugated roof is supported by the concealed masonry structure behind the perimeter wall. The perimeter wall is 1.8 m high; the luminous impact core is 0.4 m across and the dust cone rises 2.5 m. It is 30 January 1968: The close crop excludes personnel whose exact dress and position are undocumented.; Compacted tropical soil, loose gravel, rendered masonry and corrugated metal, all matte except the brief blast illumination.; Period mortar munition and handheld 35mm monochrome press camera using fast film and a short exposure. A brief ground-level white flash, dense irregular dust and five dark gravel clods; debris expands from one contact point and returns toward the earth.", "style_description": {"aesthetics": "abrupt alarm at the first premature strike.. Documentary photographic realism: subtle film grain, believable wear on every material, candid imperfect framing.", "lighting": "The mortar flash is the sole source, 0.3 m above ground at center-right; shadows extend directly away from it across wall and earth.", "photo": "35mm, f/2.8, 18 m, Low, oblique, off-center monochrome documentary frame; impact sharp in the middle distance, near gravel and distant roofline soft.", "medium": "photograph, A 1/500-second monochrome exposure freezes the early expansion; coarse grain, slight motion blur at dust edges and shallow depth preserve period photographic realism.", "color_palette": ["#1E1913", "#4A3B28", "#8A7350", "#C9B892", "#2B2B2A"]}, "compositional_deconstruction": {"background": "Beside the South Vietnamese Navy Training Center at Nha Trang shortly after midnight, 30 January 1968: compacted earth and scattered gravel meet a plain rendered-masonry perimeter wall; a dark one-story roofline rises behind it. The mortar flash is the sole source, 0.3 m above ground at center-right; shadows extend directly away from it across wall and earth.", "elements": [{"type": "obj", "bbox": [365, 405, 745, 705], "desc": "One fresh ground burst: a 0.4 m white-hot core beneath a ragged dust cone 2.5 m high and 3 m wide, offset right of center."}, {"type": "obj", "bbox": [610, 495, 730, 620], "desc": "Shallow 0.8 m contact crater opening directly under the flash, rim broken asymmetrically where compacted soil and gravel are thrown outward."}, {"type": "obj", "bbox": [350, 360, 700, 750], "desc": "Exactly five distinct dark clods, varied in size and spacing, following short ballistic arcs outward and downward toward the surrounding earth."}, {"type": "obj", "bbox": [600, 0, 1000, 1000], "desc": "Matte hard-packed ground continues beneath the entire frame; scattered gravel is irregular, with fresh radial scuffs concentrated around the crater."}, {"type": "obj", "bbox": [335, 0, 630, 1000], "desc": "Rendered masonry wall 1.8 m high, base planted in earth; blast-facing surface catches light, with one chipped patch low at frame right."}, {"type": "obj", "bbox": [175, 510, 375, 980], "desc": "Low corrugated-metal roof carried by a concealed one-story masonry structure behind the wall, uneven eaves silhouetted against the night sky."}, {"type": "obj", "bbox": [0, 0, 350, 1000], "desc": "Featureless humid darkness above the compound, recorded as coarse monochrome grain with the distant edges falling out of focus."}]}}, "rendered_input": "{\"high_level_description\": \"A mortar round detonates on hard-packed earth beside the Nha Trang naval training compound, its ground-level flash driving an irregular cone of dust and gravel upward against the low perimeter wall as the premature Tet attack begins. Beside the South Vietnamese Navy Training Center at Nha Trang shortly after midnight, 30 January 1968: compacted earth and scattered gravel meet a plain rendered-masonry perimeter wall; a dark one-story roofline rises behind it. The mortar flash touches the earth at the impact point with zero gap; the shallow crater opens at that exact contact. The dust cone originates at the crater rim, widens upward and begins curling back under gravity. All five gravel clods travel away from the impact point and descend toward the continuous earth surface. The perimeter wall’s full base meets the compacted earth; the wall continues beyond both frame edges. The corrugated roof is supported by the concealed masonry structure behind the perimeter wall. The perimeter wall is 1.8 m high; the luminous impact core is 0.4 m across and the dust cone rises 2.5 m. It is 30 January 1968: The close crop excludes personnel whose exact dress and position are undocumented.; Compacted tropical soil, loose gravel, rendered masonry and corrugated metal, all matte except the brief blast illumination.; Period mortar munition and handheld 35mm monochrome press camera using fast film and a short exposure. A brief ground-level white flash, dense irregular dust and five dark gravel clods; debris expands from one contact point and returns toward the earth.\", \"style_description\": {\"aesthetics\": \"abrupt alarm at the first premature strike.. Documentary photographic realism: subtle film grain, believable wear on every material, candid imperfect framing.\", \"lighting\": \"The mortar flash is the sole source, 0.3 m above ground at center-right; shadows extend directly away from it across wall and earth.\", \"photo\": \"35mm, f/2.8, 18 m, Low, oblique, off-center monochrome documentary frame; impact sharp in the middle distance, near gravel and distant roofline soft.\", \"medium\": \"photograph, A 1/500-second monochrome exposure freezes the early expansion; coarse grain, slight motion blur at dust edges and shallow depth preserve period photographic realism.\", \"color_palette\": [\"#1E1913\", \"#4A3B28\", \"#8A7350\", \"#C9B892\", \"#2B2B2A\"]}, \"compositional_deconstruction\": {\"background\": \"Beside the South Vietnamese Navy Training Center at Nha Trang shortly after midnight, 30 January 1968: compacted earth and scattered gravel meet a plain rendered-masonry perimeter wall; a dark one-story roofline rises behind it. The mortar flash is the sole source, 0.3 m above ground at center-right; shadows extend directly away from it across wall and earth.\", \"elements\": [{\"type\": \"obj\", \"bbox\": [365, 405, 745, 705], \"desc\": \"One fresh ground burst: a 0.4 m white-hot core beneath a ragged dust cone 2.5 m high and 3 m wide, offset right of center.\"}, {\"type\": \"obj\", \"bbox\": [610, 495, 730, 620], \"desc\": \"Shallow 0.8 m contact crater opening directly under the flash, rim broken asymmetrically where compacted soil and gravel are thrown outward.\"}, {\"type\": \"obj\", \"bbox\": [350, 360, 700, 750], \"desc\": \"Exactly five distinct dark clods, varied in size and spacing, following short ballistic arcs outward and downward toward the surrounding earth.\"}, {\"type\": \"obj\", \"bbox\": [600, 0, 1000, 1000], \"desc\": \"Matte hard-packed ground continues beneath the entire frame; scattered gravel is irregular, with fresh radial scuffs concentrated around the crater.\"}, {\"type\": \"obj\", \"bbox\": [335, 0, 630, 1000], \"desc\": \"Rendered masonry wall 1.8 m high, base planted in earth; blast-facing surface catches light, with one chipped patch low at frame right.\"}, {\"type\": \"obj\", \"bbox\": [175, 510, 375, 980], \"desc\": \"Low corrugated-metal roof carried by a concealed one-story masonry structure behind the wall, uneven eaves silhouetted against the night sky.\"}, {\"type\": \"obj\", \"bbox\": [0, 0, 350, 1000], \"desc\": \"Featureless humid darkness above the compound, recorded as coarse monochrome grain with the distant edges falling out of focus.\"}]}}", "prompt_sha256": "9c449ef11842694832d73aa9e6d6917d1d781ab15f02fcf186cd9ba30084dc79"}