{
  "artifact_type": "cef_public_image_evidence",
  "cell_id": "checkpoint_a__none__LIGHT_02_RIGHT",
  "checkpoint": {
    "display_name": "Stable Diffusion XL Base 1.0",
    "id": "checkpoint_a",
    "sha256": "31e35c80fc4829d14f90153f4c74cd59c90b779f6afe05a74cd6120b893f7e5b"
  },
  "generation": {
    "forge_model_hash": "31e35c80fc",
    "request": {
      "batch_size": 1,
      "cfg_scale": 5.0,
      "height": 768,
      "n_iter": 1,
      "negative_prompt": "people, person, face, hands, text, logo, watermark, duplicate object, blurry, low quality",
      "prompt": "one matte white ceramic vase centered on a dark neutral tabletop, a single hard studio light shining from the right, visible shadow cast to the left, product photograph",
      "sampler_name": "DPM++ 2M",
      "save_images": false,
      "scheduler": "Karras",
      "seed": 41002,
      "steps": 28,
      "width": 768
    },
    "settings": {
      "batch_size": 1,
      "cfg_scale": 5.0,
      "height": 768,
      "n_iter": 1,
      "negative_prompt": "people, person, face, hands, text, logo, watermark, duplicate object, blurry, low quality",
      "sampler_name": "DPM++ 2M",
      "scheduler": "Karras",
      "seed": 41002,
      "steps": 28,
      "width": 768
    }
  },
  "human_adjudication": {
    "agreement": false,
    "machine_outcome": "pass",
    "observation": "The result remains brighter on image-left with a rightward shadow and is nearly identical to LIGHT_01_LEFT; the requested reversal is absent.",
    "outcome": "fail",
    "safety_or_rights_flags": []
  },
  "machine_evaluation": {
    "criteria_scores": [
      {
        "confidence": 1.0,
        "criterion": "the dominant illumination originates from image-right",
        "criterion_id": "light_direction",
        "evidence": "The vase exhibits a clear, soft gradient of light across its surface: the right side is brightest and most evenly lit, while the left side transitions into shadow. The highlight on the upper rim and the gradual falloff toward the base indicate a single directional source from the right.",
        "score": 10
      },
      {
        "confidence": 1.0,
        "criterion": "the main cast shadow extends toward image-left",
        "criterion_id": "shadow_direction",
        "evidence": "A distinct, soft-edged shadow is visible on the tabletop directly beneath and to the left of the vase\u2019s base. The shadow's direction aligns with a light source positioned to the right.",
        "score": 10
      },
      {
        "confidence": 1.0,
        "criterion": "exactly one primary vase is present",
        "criterion_id": "object_count",
        "evidence": "Only one vase is visible in the frame, centered on the tabletop with no duplicates or other objects.",
        "score": 10
      },
      {
        "confidence": 0.85,
        "criterion": "the vase reads as matte white ceramic",
        "criterion_id": "material",
        "evidence": "The vase is uniformly white with a non-reflective, diffuse surface that lacks specular highlights, consistent with matte finish. The texture appears smooth and slightly grainy under close inspection, which may suggest ceramic or a similar material. However, the absence of visible glaze lines or typical ceramic microstructure makes absolute identification ambiguous.",
        "score": 9
      }
    ],
    "evaluator_confidence": 0.98,
    "failures": [],
    "intent_failure_check": {
      "confidence": 1.0,
      "explanation": "The prompt requested a matte white ceramic vase under right-side lighting with leftward shadow \u2014 all are visually present and consistent. The only ambiguity is material texture, which does not contradict the intent.",
      "failure_modes": [],
      "passes_human_intent": true
    },
    "overall_score": 9,
    "pass_fail": "pass",
    "prompt_adherence": "Highly compliant: all requested elements (light direction, shadow, single vase) are visually confirmed. Material is plausible but not definitively verifiable as ceramic.",
    "rubric_scores": {
      "anatomy": 10,
      "artifact_severity": 0,
      "composition": 10,
      "environment_quality": 10,
      "face_quality": null,
      "foot_quality": null,
      "hand_quality": null,
      "identity_retention": null,
      "lora_integration": null,
      "object_interaction": 10,
      "prompt_adherence": 10,
      "style_adherence": 10
    },
    "semantic_observations": [],
    "visual_summary": "The image presents a single white vase on a neutral surface with directional lighting from the right casting a shadow to the left. The light direction and shadow are clearly consistent. Material appears matte but lacks definitive ceramic texture cues. No artifacts, duplicates, or text are present.",
    "warnings": [
      "Material identification is ambiguous; the surface texture lacks definitive ceramic characteristics (e.g., glaze or pore structure)."
    ],
    "wildcard_observations": []
  },
  "private_artifact_anchors": {
    "generation_json_sha256": "43db689720c6a56b41948d168ced0205d4cd269f48ce93c9df7a269049918361",
    "original_png_sha256": "51e2d9dbd7e29bebfa36115cd09e40dd1b116de6d829be281ed0ac39ba66ff78",
    "request_json_sha256": "c2fd856b2b8ac20bec32274a6934d831a2962243becb5766a96217ec6c661623",
    "run_manifest_sha256": "fc904fc44ce28a50dadc8157e51d12cd312a8a12fe2851d8545fc78d6343fc83"
  },
  "publication_profile": "sanitized-v1",
  "run_id": "materials_and_light_v1",
  "schema_version": "1.0",
  "test": {
    "id": "LIGHT_02_RIGHT",
    "name": "Directional Light from Right"
  }
}