| {
|
| "graph_id": "Instability_Series/ball_drop_stack_collapse",
|
| "series": "Instability_Series",
|
| "scene": "ball_drop_stack_collapse",
|
| "source": {
|
| "metadata_json": "ball_drop_stack_collapse.json",
|
| "frame_count": 120,
|
| "fps": 24
|
| },
|
| "participant_registry": [
|
| {
|
| "participant_id": "ball",
|
| "canonical_name": "blue falling ball",
|
| "metadata_keys": [
|
| "Ball"
|
| ],
|
| "participant_type": "dynamic_object",
|
| "visual_reference": "the blue ball descending from above the wooden stack"
|
| },
|
| {
|
| "participant_id": "stack",
|
| "canonical_name": "wooden plank stack",
|
| "metadata_keys": [
|
| "Block_0_0",
|
| "Block_0_1",
|
| "Block_1_0",
|
| "Block_1_1",
|
| "Block_2_0",
|
| "Block_2_1",
|
| "Block_3_0",
|
| "Block_3_1",
|
| "Block_4_0",
|
| "Block_4_1",
|
| "Block_5_0",
|
| "Block_5_1"
|
| ],
|
| "participant_type": "dynamic_object_group",
|
| "visual_reference": "the compact reddish stack near the center-left"
|
| }
|
| ],
|
| "events": [
|
| {
|
| "event_id": "e01",
|
| "canonical_description": "The blue ball descends toward the upper-right part of the wooden stack.",
|
| "participants": [
|
| "ball"
|
| ],
|
| "event_type": "falling",
|
| "cascade_role": "trigger",
|
| "temporal_stage": 1,
|
| "observability": "visible_across_adjacent_frames"
|
| },
|
| {
|
| "event_id": "e02",
|
| "canonical_description": "The ball strikes the upper-right planks of the stack.",
|
| "participants": [
|
| "ball",
|
| "stack"
|
| ],
|
| "event_type": "contact_collision",
|
| "cascade_role": "mediator",
|
| "temporal_stage": 2,
|
| "observability": "directly_visible"
|
| },
|
| {
|
| "event_id": "e03",
|
| "canonical_description": "Several upper planks are ejected, rotating upward and outward while the lower stack stays partly standing.",
|
| "participants": [
|
| "stack"
|
| ],
|
| "event_type": "support_loss",
|
| "cascade_role": "outcome",
|
| "temporal_stage": 3,
|
| "observability": "visible_across_adjacent_frames"
|
| },
|
| {
|
| "event_id": "e04",
|
| "canonical_description": "The deflected ball lands on the floor to the right as the loose planks fall around the stack.",
|
| "participants": [
|
| "ball",
|
| "stack"
|
| ],
|
| "event_type": "falling",
|
| "cascade_role": "outcome",
|
| "temporal_stage": 4,
|
| "observability": "visible_across_adjacent_frames"
|
| },
|
| {
|
| "event_id": "e05",
|
| "canonical_description": "The ball and scattered planks settle around a partially collapsed central stack.",
|
| "participants": [
|
| "ball",
|
| "stack"
|
| ],
|
| "event_type": "stabilization",
|
| "cascade_role": "terminal_state",
|
| "temporal_stage": 5,
|
| "observability": "visible_across_adjacent_frames"
|
| }
|
| ],
|
| "causal_edges": [
|
| {
|
| "edge_id": "c01",
|
| "source": "e01",
|
| "target": "e02",
|
| "relation": "leads_to"
|
| },
|
| {
|
| "edge_id": "c02",
|
| "source": "e02",
|
| "target": "e03",
|
| "relation": "leads_to"
|
| },
|
| {
|
| "edge_id": "c03",
|
| "source": "e03",
|
| "target": "e04",
|
| "relation": "leads_to"
|
| },
|
| {
|
| "edge_id": "c04",
|
| "source": "e04",
|
| "target": "e05",
|
| "relation": "leads_to"
|
| }
|
| ]
|
| }
|
|
|
