Add Leaderboard video-generation first-frame assets (batch 34/205)

.gitattributes

@@ -2901,3 +2901,69 @@ Leaderboard/Video[[:space:]]Generation/TriplePhysics/MovingHitsStationary_Obliqu
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Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__2mwcm5_trajectory/caption.txt

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+A spring descends vertically under gravity, elongating as internal tension redistributes in accordance with Hooke’s Law, thereby storing elastic potential energy. Upon entering the fan’s airflow, a horizontal wind force deflects it laterally from its vertical trajectory; the magnitude of deflection increases with the spring’s extended length. A smooth, reflective mirror captures this motion, symmetrically mirroring the spring’s path and deformation while preserving the spatial relationships among the spring, fan, and deflected trajectory. To the left, a rough, glossy golden object rests on the floor, while a silver-colored house stands in the background beneath structural beams. The scene remains enveloped in fog, with light sources producing soft highlights on the mirror and surrounding objects.

Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__2uX33k_trajectory/caption.txt

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+The video frames provided (0.0–0.3 s) are extremely dark and low-resolution, showing only a near-black foreground with faint, indistinct background elements: a grey brick-like structure and a light-colored textured surface, possibly stone or pavement. No spring, fan, mirror, house, or airflow is visually discernible in these frames. Since the visual evidence is ambiguous, incomplete, and lacks any identifiable objects or motion, **no attribute corrections can be made**—the locked original event chain must be preserved exactly as stated, with only linguistic polishing applied for scientific clarity and lexical diversity.
+
+Polished caption:  
+A helical spring descends vertically under gravitational acceleration, elongating progressively as internal tensile forces redistribute in accordance with Hooke’s Law, thereby accumulating elastic potential energy within its coils. Upon entering the fan-generated airstream, the spring experiences a lateral wind force that deflects its trajectory away from the vertical; this deflection magnitude scales with both the spring’s instantaneous extension and its duration of exposure to the airflow. A highly reflective, optically smooth mirror captures and reproduces this dynamic motion, preserving the spatial symmetry of the spring’s path, deformation, and relative positions to the fan and deflected trajectory. In the background, a grey residential structure stands adjacent to a light-toned, finely woven smooth surface, while a dark structural frame partially obscures the lower portion of the scene. The spring remains dynamically unconstrained—subject solely to gravity, aerodynamic deflection, and its intrinsic elastic restoring force—with no visible string, tether, chain, or external constraint present.

Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__3EtBpD_trajectory/caption.txt

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+A striated spring descends vertically under gravity, elongating as internal tension redistributes in accordance with Hooke’s Law, thereby storing elastic potential energy. Upon entering the fan’s airflow, a horizontal wind force deflects it laterally from its vertical trajectory. A reflective silver mirror stands upright on the tiled floor adjacent to a beige, rough-textured, cracked wall structure, accurately capturing the spring’s motion and deformation with precise spatial fidelity; its smooth surface preserves the geometric relationships among the spring, fan, and its deflected path. The spring remains unconstrained—subject only to gravitational force, aerodynamic deflection, and its intrinsic elasticity—with no string, chain, or tether present in the scene.

Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__4QZstU_trajectory/caption.txt

@@ -0,0 +1 @@
+A spring descends vertically under gravity, elongating as internal tension redistributes in accordance with Hooke’s Law, thereby storing elastic potential energy. Upon entering the fan’s airflow, a horizontal wind force deflects it laterally from its vertical trajectory; the magnitude of deflection increases with the spring’s extension. A reflective, silver-colored, smooth mirror stands upright on the floor nearby, capturing a symmetric image of the spring’s motion and deformation, thereby preserving the spatial relationships among the spring, fan, and its curved path. The scene is set on a pink, grained, matte floor, with a pink, grained, matte house-like structure in the background and a green, matte, block-shaped object positioned near the base of the fan.

Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__Bov5SX_trajectory/caption.txt

@@ -0,0 +1 @@
+A spring descends vertically under gravity, elongating as internal tension redistributes in accordance with Hooke’s Law, thereby storing elastic potential energy. Upon entering the fan’s airflow, a horizontal wind force laterally deflects its extended configuration away from the vertical trajectory. A silver reflective mirror records this motion, faithfully reproducing the spring’s path and deformation through specular reflection. The entire sequence occurs on a yellow smooth matte surface; nearby rests a teal, woven, glossy-matte, checkered object with beige and golden metallic brushed accents, while a white arched frame stands centrally in the background. The spring remains entirely unconstrained—subject only to gravitational acceleration, aerodynamic deflection, and its intrinsic elasticity—with no string, tether, or external attachment present, preserving the original dynamical conditions.

Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__DUWK4G_trajectory/caption.txt

@@ -0,0 +1 @@
+A spring descends vertically under gravity, elongating as internal tension redistributes in accordance with Hooke’s Law, thereby storing elastic potential energy. Upon entering the fan’s airflow, a horizontal wind force deflects its extended configuration laterally from its initial vertical trajectory. A reflective mirror captures this motion, accurately mirroring both the spring’s path and its deformation with spatial fidelity. The background features a beige matte checkered house, while beneath the falling spring lies a glossy beige woven surface; the spring ultimately lands near a vertical structure topped with yellow. The spring’s motion remains constrained by its point of release, and no string or tether is visible—its dynamics are governed exclusively by gravity, aerodynamic deflection, elastic restoring forces, and optical reflection.

Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__Eh8bDp_trajectory/caption.txt

@@ -0,0 +1 @@
+A spring descends vertically under gravity, elongating as internal tension redistributes in accordance with Hooke’s Law, thereby storing elastic potential energy. Upon entering the fan’s airflow, a horizontal wind force deflects it laterally from its vertical trajectory; the magnitude of deflection increases with prolonged exposure to the airstream. A smooth, reflective silver mirror captures this motion, producing a symmetric image that faithfully preserves the spatial geometry among the spring, fan, and its curved path. In the background, a rough-textured house stands behind a white chair, while a blue–orange object rests on a yellow base nearby—its color transition is visually pronounced but mechanically passive. The spring remains entirely unconstrained, undergoing free fall and continuous deformation without attachment to any string, chain, or tether.

Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__GtjpzI_trajectory/caption.txt

@@ -0,0 +1 @@
+A beige matte woven house stands in the background as a salmon-colored matte-textured spring falls vertically under gravity, elongating during descent due to internal tension redistribution governed by Hooke’s Law. Upon entering the fan’s airflow, a horizontal wind force acts on its extended structure, inducing lateral deflection from the vertical trajectory. A silver reflective mirror captures this motion, producing a symmetric image of the spring’s path and deformation; the mirror’s smooth surface preserves the spatial relationship among the spring, fan, and its deflected trajectory. The spring remains attached to a thin string above, which constrains its initial position and influences its elastic potential energy release during fall.

Leaderboard/Video Generation/TriplePhysics/WindDeflectMotion_SpringStretch_MirrorReflect__bg200__H5wvr6_trajectory/caption.txt

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+A yellow, smooth, matte spring descends vertically under gravity, elongating during its fall as internal tension redistributes in accordance with Hooke’s Law, thereby storing elastic potential energy. Upon entering the fan’s airflow, a horizontal wind force acts upon its extended form, inducing lateral deflection from its initial vertical trajectory. A silver, reflective mirror captures this motion, producing a symmetric image that faithfully preserves the spatial configuration of the spring, fan, and its curved path. The spring remains suspended from a white, arched frame positioned above, which itself rests on a purple, glossy, embossed house-like structure; both the frame and the house remain stationary while the spring moves beneath them.