{
  "finding": "STD2-005",
  "title": "Spinning top",
  "recorded_result": "Both scenes reference the same top and are omitted from selection. spinner.lwo and spintopgnd.lwo are byte-identical ground models; spintop.lws instead names spintop_grnd.lwo.",
  "checking_steps": [
    "Read the top’s ObjectMotion keys in spintop.lws and spinner.lws, and compare their LoadObject names against the editor list.",
    "Compare the first top Y value: 1.75 in spinner versus 1.7 in spintop. These stored differences do not establish scene chronology or retail playback."
  ],
  "limitations": "The keys do not establish retail playback, collision behavior or the order in which the scenes were created.",
  "scope": "The recorded result and checking steps summarize preserved excavation research. The source observations below were recomputed for publication review; they do not rerun the earlier geometry fits, UV checks, reference scans or original-x86 experiments.",
  "source_observations": [
    {
      "archive": "edpieces",
      "name": "base.tga",
      "size": 49196,
      "sha256": "d133c4e53cfa2001dc58de9319cd1bcd1b6cb39d76510394838173faa44097f4",
      "identity": "edpieces/base.tga"
    },
    {
      "archive": "edpieces",
      "name": "contents.obv",
      "size": 302703,
      "sha256": "8ba24a802eb4d1553f5b80096917a0eab7b2179579cc51e9b4a877961e100ca5",
      "identity": "edpieces/contents.obv"
    },
    {
      "archive": "edpieces",
      "name": "spinner.lwo",
      "size": 7378,
      "sha256": "ae0448bd169627d95e7c84eee947fa0f8ab6bbe7a46b774a0a1f2142b7e6bd51",
      "identity": "edpieces/spinner.lwo",
      "mesh": {
        "format": "LWOB",
        "vertices": 230,
        "polygon_records": 432,
        "polygon_vertex_counts": {
          "3": 432
        },
        "fan_triangles_excluding_lines_points": 432,
        "PNTS_sha256": "97409a93c7295c09d40d23b901f7282b3c8d1bf53bce3b908a77fd8d504b0151",
        "POLS_sha256": "df7d809ce8f2780bbfb84fbd1ebe98ca67720ad5d94927fb1e69412b0dde5e56"
      }
    },
    {
      "archive": "edpieces",
      "name": "spinner.lws",
      "size": 2102,
      "sha256": "b29d6432894b7ec3c6e514736e6996dbc20572b1003e1e015a803e863e6360b2",
      "identity": "edpieces/spinner.lws",
      "scene": {
        "objects": [
          {
            "model_basename": "spinner.lwo",
            "ShowObject": [
              "7",
              "7"
            ]
          },
          {
            "model_basename": "spintop.lwo",
            "ShowObject": [
              "7",
              "7"
            ]
          }
        ]
      }
    },
    {
      "archive": "edpieces",
      "name": "spintop.lws",
      "size": 2006,
      "sha256": "725fd22c47d15ba3e565e732bffd4311d1c2ca6d1a8346195cf35ad3cbf0711d",
      "identity": "edpieces/spintop.lws",
      "scene": {
        "objects": [
          {
            "model_basename": "spintop_grnd.lwo",
            "ShowObject": [
              "7",
              "7"
            ]
          },
          {
            "model_basename": "spintop.lwo",
            "ShowObject": [
              "7",
              "7"
            ]
          }
        ]
      }
    },
    {
      "archive": "edpieces",
      "name": "spintop_grnd.lwo",
      "size": 33780,
      "sha256": "e79854e46823baf456da4fb9891fcd32c21fed9224d1b99e48a25b1677534a08",
      "identity": "edpieces/spintop_grnd.lwo",
      "mesh": {
        "format": "LWOB",
        "vertices": 1089,
        "polygon_records": 2048,
        "polygon_vertex_counts": {
          "3": 2048
        },
        "fan_triangles_excluding_lines_points": 2048,
        "PNTS_sha256": "eed5c818bb6a39a4848747fa4c349c87d0adeccc66d211cc625a83db9bfe8c00",
        "POLS_sha256": "5f9851fcab0179e932eb4f41279ba0203bef1b31ca25eb41cba7c8824323d714"
      }
    },
    {
      "archive": "edpieces",
      "name": "spintopgnd.lwo",
      "size": 7378,
      "sha256": "ae0448bd169627d95e7c84eee947fa0f8ab6bbe7a46b774a0a1f2142b7e6bd51",
      "identity": "edpieces/spintopgnd.lwo",
      "mesh": {
        "format": "LWOB",
        "vertices": 230,
        "polygon_records": 432,
        "polygon_vertex_counts": {
          "3": 432
        },
        "fan_triangles_excluding_lines_points": 432,
        "PNTS_sha256": "97409a93c7295c09d40d23b901f7282b3c8d1bf53bce3b908a77fd8d504b0151",
        "POLS_sha256": "df7d809ce8f2780bbfb84fbd1ebe98ca67720ad5d94927fb1e69412b0dde5e56"
      }
    },
    {
      "archive": "edpieces",
      "name": "spintopM0CL.tga",
      "size": 197147,
      "sha256": "f99152e87d7841cbc57f2898a9d08f13a5cc62092d69a323d2e485fe2c8bdb86",
      "identity": "edpieces/spintopM0CL.tga"
    },
    {
      "archive": "uplay",
      "name": "base.tga",
      "size": 196652,
      "sha256": "1be7339d7765f16572a575125d9f1cd90b8939d340b7e76a22f36486fe2a4d31",
      "identity": "uplay/base.tga"
    }
  ],
  "source_selection": "Files named in the canonical research note, including related models and controls. This is not a claim that every listed file is unused or a complete dependency closure.",
  "preserved_research_records": [
    {
      "record": "SPINTOP_REACHABILITY.md",
      "sha256": "52f74fc0a53061ca0925c432d9abb3ca99aadacfe16ed09a6fc7b593843f6526"
    },
    {
      "record": "spintop_reference_audit.json",
      "sha256": "8a534826173aed0525c17e3b8a3d1e463fdb4011208d0276ab76b03829b3f4d0"
    },
    {
      "record": "selected_scene_motion_followup.json",
      "sha256": "b6f1a8560756b7d4e8b51443b9b462e83f44b9b371a8b74402c8c1c6f37a745a"
    }
  ],
  "record_provenance": "Research-record hashes bind this summary to preserved local records. They do not make those internal records downloadable or replace the original source checks.",
  "fresh_audit": "/evidence/stunt-track-driver-2/source-audit.json",
  "bounded_relationship_audit": "/evidence/stunt-track-driver-2/relationship-audit.json"
}