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{
  "schema_version": "mindview_dataset_release_v1",
  "prepared_at_utc": "2026-10-15T05:25:52.955617+00:00",
  "status": "locally_prepared",
  "destination": {
    "repo_id": "wangyanbo/MindView-Train",
    "repo_type": "dataset"
  },
  "indices": [
    {
      "path": "data/train.jsonl",
      "records": 20000,
      "sha256": "24d973dc5b2f967d105a6f2a55f46d8f2b0c2d5b262dbd785a60e10ee84627d5"
    }
  ],
  "statistics": {
    "records": 20000,
    "scenes": 3406,
    "by_dataset": {
      "arkitscenes": 3533,
      "scannet": 3451,
      "scannetpp": 13016
    },
    "by_task": {
      "anchor_guided_relative_repositioning": 2660,
      "composition": 2211,
      "loc-re-facing": 1418,
      "obj_loc": 2664,
      "rotation": 2047,
      "translation": 3049,
      "view_localization": 5951
    }
  },
  "asset_inventory": "manifests/assets.jsonl",
  "archive_inventory": "manifests/asset_archives.json",
  "asset_summary": {
    "schema_version": "mindview_assets_v1",
    "status": "prepared",
    "repo": "MindView-Train",
    "assets": 104716,
    "archive_count": 58,
    "source_bytes": 15135465935,
    "archive_bytes": 15216138240,
    "all_images_fully_decoded": true,
    "source_bytes_preserved": true,
    "source_stat_checked_before_after": true,
    "source_stat_version_fields": [
      "size",
      "mtime_ns",
      "ctime_ns"
    ],
    "tar_member_path_contract": "dataset-root-relative; extract each dataset's archives into its dataset root",
    "groups": [
      {
        "dataset": "arkitscenes",
        "modality": "rgb",
        "assets": 22809
      },
      {
        "dataset": "scannet",
        "modality": "rgb",
        "assets": 21690
      },
      {
        "dataset": "scannetpp",
        "modality": "rgb",
        "assets": 60217
      }
    ],
    "image_encodings": [
      {
        "dataset": "arkitscenes",
        "modality": "rgb",
        "width": 480,
        "height": 640,
        "format": "PNG",
        "mode": "RGB",
        "assets": 9614
      },
      {
        "dataset": "arkitscenes",
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        "width": 640,
        "height": 480,
        "format": "PNG",
        "mode": "RGB",
        "assets": 13195
      },
      {
        "dataset": "scannet",
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        "width": 640,
        "height": 480,
        "format": "JPEG",
        "mode": "RGB",
        "assets": 275
      },
      {
        "dataset": "scannet",
        "modality": "rgb",
        "width": 1296,
        "height": 968,
        "format": "JPEG",
        "mode": "RGB",
        "assets": 21415
      },
      {
        "dataset": "scannetpp",
        "modality": "rgb",
        "width": 640,
        "height": 480,
        "format": "JPEG",
        "mode": "RGB",
        "assets": 60217
      }
    ]
  },
  "reference_coverage": {
    "status": "pass",
    "unique_assets": 104716,
    "missing_referenced_assets": 0,
    "unreferenced_assets": 0
  },
  "preparation_checks": {
    "benchmark_unique_ids": true,
    "context_pairs_complete": true,
    "context_order_nested": true,
    "targets_excluded_from_inputs": true,
    "anchors_first_when_present": true,
    "training_schema_all_rows": true,
    "training_unique_uids": true,
    "source_metadata_bytes_preserved": true
  },
  "train_test_overlapping_scenes": 0,
  "packaging": {
    "format": "Ordinary deterministic USTAR TAR transport shards",
    "target_shard_bytes": 268435456,
    "source_image_bytes_unchanged": true,
    "all_images_fully_decoded": true,
    "depth_units_converted": false,
    "source_relative_paths_preserved": true
  },
  "scope": "All context and target RGB assets referenced by the frozen 20000-example training snapshot.",
  "frozen_source": {
    "name": "mindview_shot6_20000_snapshot.jsonl",
    "sha256": "24d973dc5b2f967d105a6f2a55f46d8f2b0c2d5b262dbd785a60e10ee84627d5",
    "record_preservation": "Original annotation bytes, IDs, prompts, targets, and view ordering retained."
  },
  "integrity": {
    "file_checksums": "SHA256SUMS",
    "member_checksums": "manifests/assets.jsonl",
    "verification_command": "python scripts/prepare_data.py --repo . --verify-only",
    "independent_local_verification_report": "Recorded in the release maintainer's local audit, not an assertion of GPU inference or remote-download validation."
  },
  "publication_status": "publisher_authorized_public_release",
  "runtime_status": "schema_and_asset_integrity_verified; training_not_rerun",
  "publication_authorization": {
    "status": "additional_public_redistribution_permission_confirmed_by_publisher",
    "confirmed_on": "2026-10-16"
  },
  "release_version": "v1.0",
  "release_metadata_updated_at_utc": "2026-10-16T06:09:01.698059+00:00",
  "source_notices": "DATA_LICENSE.md and third_party/SOURCES.json"
}