{
  "date": "2026-10-25",
  "status": "actual single run; local candidate, not published",
  "sourceId": "local-gen-comfyui-sdxl-img2img-denoise-20261025",
  "original": "/images/articles/comfyui-image-to-image-denoise/real-sdxl-20261025/originals/denoise050.png",
  "originalSHA256": "af6576dab05a278e8ac7eb264bd63c7e54d806fd92dce67a6af0105bed269d3d",
  "display": "/images/articles/comfyui-image-to-image-denoise/real-sdxl-20261025/denoise050.webp",
  "displaySHA256": "acc9c3b622308e9c0d061f34cdf6200b1a304376901258375d8b889ed220cb5e",
  "width": 1024,
  "height": 1024,
  "derivative": "lossless WebP; decoded RGB exactly equals PNG; no crop/retouch",
  "workflow": "/images/articles/comfyui-image-to-image-denoise/real-sdxl-20261025/workflows/denoise050.json",
  "workflowSHA256": "e6d5f955de8162fb98daadee16c4b31c54763ea330483a2283155f3a3b25357d",
  "executionPrompt": "/images/articles/comfyui-image-to-image-denoise/real-sdxl-20261025/workflows/denoise050-api.json",
  "conditions": {
    "denoise": 0.5,
    "seed": 20261014,
    "steps": 30,
    "cfg": 7,
    "sampler": "dpmpp_2m",
    "scheduler": "karras",
    "checkpoint": "sd_xl_base_1.0.safetensors",
    "checkpointSHA256": "31e35c80fc4829d14f90153f4c74cd59c90b779f6afe05a74cd6120b893f7e5b",
    "inputSHA256": "2f191a16ab8a55c5c588157fa87d15709fdecd104402b3b648a12eaa91ee8fdc"
  },
  "comparisonBasis": "Execution graph extracted from authentic denoise065 PNG. Only node3.denoise and node9.filename_prefix changed; positive/negative, seed, all other node inputs identical. Checkpoint/input freshly hashed before trial.",
  "environment": {
    "comfyVersion": "0.41.0",
    "comfyGitCommit": "fc04da91b2ab12f99e4716371a7e4f98ac982597",
    "python": "3.13.15 (main, Aug 14 2026, 15:36:10) [MSC v.1944 64 bit (AMD64)]",
    "torch": "2.11.0+cu130",
    "frontend": "1.55.17",
    "gpu": "RTX 5090",
    "powerLimitWatts": 540,
    "modelDownload": false,
    "ownServerStopped": true
  },
  "observed": {
    "secondsIncludingFirstLoadAndLocalPolling": 25.53100000000086,
    "sampledPeakMemoryMiB": 9653.0,
    "sampledPeakTemperatureC": 62.0,
    "sampleCount": 26
  },
  "visualObservation": "Cabin/lake/mountain composition retained. Small white marks appear across sky/trees/roof edge, while roof and most ground remain warm tan. Cabin upper window and dark outlines differ. Not a complete snowy winter conversion.",
  "limits": [
    "One additional run, not repeated quality/stability evidence.",
    "Graph inputs matched, but old runtime commit/dependencies were not captured completely; not a proof that only runtime-independent denoise affects cross-date differences.",
    "Time includes first model load and polling; not speed comparison against historical runs.",
    "GPU peak is sampled process-wide device memory including desktop; no GPU safety guarantee."
  ]
}