{
  "assertions": [
    "motion(idle)"
  ],
  "attempts": 1,
  "attribution": "\u201cillustrate a loudspeaker magnet producing sound waves\u201d \u2014 sketchgen entry 1393, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1393/ Licensed CC BY 4.0.",
  "brief": "The canvas displays a diagram featuring a stationary magnet positioned next to a speaker cone. The system illustrates the process of sound generation, where the magnet vibrates, causing the cone to oscillate. From the moving cone, concentric, expanding ripples emanate outwards across the visualization area. These ripples represent the propagating sound waves, appearing as colorful, expanding rings that grow larger and progressively fade as they move away from the source, creating a continuous, dynamic pattern of energy.",
  "completion_tokens": 582,
  "created_utc": "2026-09-23T07:24:04Z",
  "entry_id": 1393,
  "executor": "qwen3-coder:30b-a3b-q4_K_M",
  "executor_prompt_version": "executor-v3",
  "gate": [
    {
      "assertions": {
        "motion(idle)": true
      },
      "attempt": 1,
      "checks": {
        "audio_context_running": null,
        "console_clean": true,
        "frame_advancing": true,
        "frame_budget": true,
        "is_looping": true,
        "sound_lib_ok": null
      },
      "completion_tokens": 582,
      "evidence": null,
      "exit": 0,
      "ghost": {
        "events": 40,
        "ms": 4000,
        "played": 40,
        "script": "wander",
        "source": "default"
      },
      "given": null,
      "model": "qwen3-coder:30b-a3b-q4_K_M",
      "ms_per_frame": 0.3,
      "num_ctx": 16384,
      "preload_s": 0.026,
      "prompt_tokens": 2377,
      "resources_loaded": [],
      "rules_file": "treatment",
      "source": "attempt-1",
      "total_s": 2.767,
      "wall_s": 42.165
    }
  ],
  "ghost": {
    "by": "default",
    "events": 40,
    "script": "wander"
  },
  "job_id": 1404,
  "last_error": null,
  "licence": "CC BY 4.0",
  "lineage": {
    "children": [
      1551
    ],
    "critique": null,
    "critique_by": null,
    "generation": 1,
    "inherits_source": false,
    "parent_entry_id": null,
    "root_entry_id": 1393
  },
  "loads": [],
  "note": null,
  "off_node": [],
  "planner": "gemma4:e4b",
  "planner_prompt_version": "planner-v2",
  "process": null,
  "prompt": "illustrate a loudspeaker magnet producing sound waves",
  "prompt_tokens": 2377,
  "publish_commit": "fe5b077094fad53f7f708459337580f256e39ee2",
  "published_utc": "2026-09-24T01:31:05Z",
  "rules_file": "treatment",
  "seed": 1,
  "shape": "VM.Standard.A1.Flex 16/96",
  "source": {
    "attempts": [
      "attempt-1"
    ],
    "entry": "https://profcarroll.github.io/sketchgen-gallery/e/1393/",
    "index_html": "sketch/index.html",
    "repository": "https://github.com/profcarroll/sketchgen-gallery/tree/main/e/1393",
    "sketch_js": "sketch/sketch.js"
  },
  "state": "published",
  "statement": "This sketch visualizes the physics of sound generation through a magnetic speaker system. It depicts a stationary magnet next to a speaker cone, showing how magnetic vibration causes the cone to oscillate. The visualization creates expanding concentric ripples from the cone's movement, representing propagating sound waves. These colorful rings grow outward and fade as they spread, creating a continuous dynamic pattern that illustrates energy propagation. The system demonstrates how mechanical motion translates into acoustic waves through the simple but effective mechanism of magnetic vibration driving a physical speaker element.",
  "submitted_by": "profcarroll",
  "wall_s": 42.165
}