{"schema": "too.foo.history.image-prompt.v1", "slug": "2023-09-20-archaeologists-in-zambia-find-the-world-s-oldest-wooden-structure-dat", "release": "4b157fe58dc3a255", "image_key": "2023-09-20-archaeologists-in-zambia-find-the-world-s-oldest-wooden-structure-dat", "image_sha256": "e91df996743ee95a9a43bad83e19266322c5a2687c2cf22d1593e4269d806d1f", "job": "20260906-012849-repair-empty-20260906", "model": "Ideogram 4 (fp8)", "preset": "V4_TURBO_12", "steps": 12, "seed": 20260823, "width": 1216, "height": 832, "caption_mode": "json", "caption": {"high_level_description": "In the 2019 Kalambo Falls trench, one archaeologist uses a bamboo pick to clear saturated silt from the contact while the 141.3 cm upper log remains fitted by its hand-cut U-shaped notch over a lower trunk at 75°, exposing the joint mid-excavation. A waterlogged excavation at the Kalambo River, Zambia: compact dark silt, a firm trench ledge, damp roots at the rear, and two irregular logs supported continuously by the sediment bed; the surrounding landscape falls outside the close frame. Saturated sediment contacts and supports the full visible undersides of both logs. The upper log bears directly on the underlying trunk at the notch; the notch shoulders embrace the trunk at the 75° crossing. The archaeologist’s two rubber boot soles press flat into the firm trench ledge. The archaeologist’s curled right fingers close around the bamboo pick; the pick tip contacts silt immediately beside the notch. The left hand remains fully occluded behind the bent knee, and the lowered hat brim obscures the face. The notch stays wholly within the upper log at the logs’ overlapping bboxes. The 141.3 cm upper log spans about four-fifths of a 1.7 m adult’s standing height; the notch measures 13.2 × 11.4 cm. It is 2019: Mud-stained tan cotton field shirt, dark cargo trousers, rubber boots, blue nitrile gloves, brimmed field hat.; Waterlogged wood, saturated silt, bamboo, rubber, nitrile, cotton.; Fine hand excavation of fragile waterlogged timber using a bamboo pick.", "style_description": {"aesthetics": "Careful evidentiary discovery.. Documentary photographic realism: subtle film grain, believable wear on every material, candid imperfect framing.", "lighting": "Soft overcast daylight enters from upper left as the sole source; weak shadows from the log, pick, and crouching figure fall consistently lower right.", "photo": "50mm, f/4, 2.4 m from the joint; notch and contacting logs sharp, boots and trench ends softly defocused., Oblique medium-close documentary excavation view, joint below centre, archaeologist entering imperfectly from the left edge.", "medium": "photograph", "color_palette": ["#1E1913", "#4A3B28", "#8A7350", "#C9B892", "#2B2B2A"]}, "compositional_deconstruction": {"background": "A waterlogged excavation at the Kalambo River, Zambia: compact dark silt, a firm trench ledge, damp roots at the rear, and two irregular logs supported continuously by the sediment bed; the surrounding landscape falls outside the close frame. Soft overcast daylight enters from upper left as the sole source; weak shadows from the log, pick, and crouching figure fall consistently lower right.", "elements": [{"type": "obj", "bbox": [60, 50, 970, 950], "desc": "Compact dark silt forms a continuous bed beneath both logs and a firm ledge beneath the archaeologist’s boots; shallow trowel scars vary in angle."}, {"type": "obj", "bbox": [100, 420, 940, 670], "desc": "Dark waterlogged trunk runs nearly vertical through the frame, extends beyond both crop edges, and carries irregular bark loss and embedded silt."}, {"type": "obj", "bbox": [330, 180, 720, 870], "desc": "Full 141.3 cm waterlogged log runs diagonally across the trunk; uneven bark loss, sediment staining, and asymmetric surface erosion break its outline."}, {"type": "obj", "bbox": [430, 480, 590, 610], "desc": "Hand-cut recess measuring 13.2 cm by 11.4 cm, with faceted chopping marks and dark silt lodged along one inner shoulder."}, {"type": "obj", "bbox": [230, 20, 930, 370], "desc": "One crouching adult in mud-stained field clothes, rubber boots, blue nitrile gloves, and brimmed hat; face points downward, left hand hidden behind bent knee."}, {"type": "obj", "bbox": [470, 300, 570, 510], "desc": "Slender bamboo pick gripped by the archaeologist’s curled right fingers; its tip presses into saturated silt beside the notch rim."}]}}, "rendered_input": "{\"high_level_description\": \"In the 2019 Kalambo Falls trench, one archaeologist uses a bamboo pick to clear saturated silt from the contact while the 141.3 cm upper log remains fitted by its hand-cut U-shaped notch over a lower trunk at 75°, exposing the joint mid-excavation. A waterlogged excavation at the Kalambo River, Zambia: compact dark silt, a firm trench ledge, damp roots at the rear, and two irregular logs supported continuously by the sediment bed; the surrounding landscape falls outside the close frame. Saturated sediment contacts and supports the full visible undersides of both logs. The upper log bears directly on the underlying trunk at the notch; the notch shoulders embrace the trunk at the 75° crossing. The archaeologist’s two rubber boot soles press flat into the firm trench ledge. The archaeologist’s curled right fingers close around the bamboo pick; the pick tip contacts silt immediately beside the notch. The left hand remains fully occluded behind the bent knee, and the lowered hat brim obscures the face. The notch stays wholly within the upper log at the logs’ overlapping bboxes. The 141.3 cm upper log spans about four-fifths of a 1.7 m adult’s standing height; the notch measures 13.2 × 11.4 cm. It is 2019: Mud-stained tan cotton field shirt, dark cargo trousers, rubber boots, blue nitrile gloves, brimmed field hat.; Waterlogged wood, saturated silt, bamboo, rubber, nitrile, cotton.; Fine hand excavation of fragile waterlogged timber using a bamboo pick.\", \"style_description\": {\"aesthetics\": \"Careful evidentiary discovery.. Documentary photographic realism: subtle film grain, believable wear on every material, candid imperfect framing.\", \"lighting\": \"Soft overcast daylight enters from upper left as the sole source; weak shadows from the log, pick, and crouching figure fall consistently lower right.\", \"photo\": \"50mm, f/4, 2.4 m from the joint; notch and contacting logs sharp, boots and trench ends softly defocused., Oblique medium-close documentary excavation view, joint below centre, archaeologist entering imperfectly from the left edge.\", \"medium\": \"photograph\", \"color_palette\": [\"#1E1913\", \"#4A3B28\", \"#8A7350\", \"#C9B892\", \"#2B2B2A\"]}, \"compositional_deconstruction\": {\"background\": \"A waterlogged excavation at the Kalambo River, Zambia: compact dark silt, a firm trench ledge, damp roots at the rear, and two irregular logs supported continuously by the sediment bed; the surrounding landscape falls outside the close frame. Soft overcast daylight enters from upper left as the sole source; weak shadows from the log, pick, and crouching figure fall consistently lower right.\", \"elements\": [{\"type\": \"obj\", \"bbox\": [60, 50, 970, 950], \"desc\": \"Compact dark silt forms a continuous bed beneath both logs and a firm ledge beneath the archaeologist’s boots; shallow trowel scars vary in angle.\"}, {\"type\": \"obj\", \"bbox\": [100, 420, 940, 670], \"desc\": \"Dark waterlogged trunk runs nearly vertical through the frame, extends beyond both crop edges, and carries irregular bark loss and embedded silt.\"}, {\"type\": \"obj\", \"bbox\": [330, 180, 720, 870], \"desc\": \"Full 141.3 cm waterlogged log runs diagonally across the trunk; uneven bark loss, sediment staining, and asymmetric surface erosion break its outline.\"}, {\"type\": \"obj\", \"bbox\": [430, 480, 590, 610], \"desc\": \"Hand-cut recess measuring 13.2 cm by 11.4 cm, with faceted chopping marks and dark silt lodged along one inner shoulder.\"}, {\"type\": \"obj\", \"bbox\": [230, 20, 930, 370], \"desc\": \"One crouching adult in mud-stained field clothes, rubber boots, blue nitrile gloves, and brimmed hat; face points downward, left hand hidden behind bent knee.\"}, {\"type\": \"obj\", \"bbox\": [470, 300, 570, 510], \"desc\": \"Slender bamboo pick gripped by the archaeologist’s curled right fingers; its tip presses into saturated silt beside the notch rim.\"}]}}", "prompt_sha256": "b4b85e71aa1179aad6b78aec4e977dcccdb130ab20af5d195d8dd1fa14c920a6"}