Validation Report
Scope
Release candidate metadata was compared with:
- source commit
339e6149de130cbe2d001f7a0e5247872bc788ec - all 335 rows in the pinned source
metadata.csv - 3 previously unindexed direct Standard files
- all 465 rows in the corresponding base Dataset Viewer snapshot
- the complete PR-side repository inventory
- the revised 129-row active pre-standard index
The full archive was not downloaded. For the three added Standard records, the local inbox files were read without modification to extract container and stream metadata, and their complete SHA-256 hashes were verified against the current Hub LFS identities. The excluded local holding was not uploaded, copied into the release candidate, or represented by an active metadata row.
Result
PASS — zero structural validation errors
| Check | Result |
|---|---|
| Canonical metadata rows | 338 |
| Metadata columns | 29 |
Unique record_id values |
338 |
| Unique canonical paths | 338 |
| Unique nonblank content hashes | 338 |
| Canonical repository paths matched | 338/338 |
| Direct standard MP4 files | 338 |
| Standard files pending metadata ingestion | 0 |
| Published pre-standard MP4 files | 129 |
| Active pre-standard metadata rows | 129 |
| Missing active metadata targets | 0 |
| Pipe separators remaining in canonical tool/media fields | 0 |
| Stored-orientation conflicts | 0 |
| Duplicate canonical content hashes | 0 |
Audited statistics
- Canonical playback duration: 40.46 hours
- Median canonical playback duration: 340.955 seconds
- Canonical indexed size: 1.647 TB decimal
- Stored orientation: 336 portrait, 2 landscape
- Audio streams: 334 present, 4 absent
- Unknown canonical finish times: 33
Outstanding warnings
- All 129 active pre-standard rows lack duration and core technical metadata.
- Most canonical masters retain audio; rights and privacy review remains necessary.
- Encoded frame rate is playback rate and cannot be used as original drawing-time sampling.
- The 2012–2016 layer has no public video payload at this snapshot.
- No leakage-safe train/validation/test partition has been defined.
Reproduction
Generate the candidate canonical index:
python tools/repair_metadata.py source_metadata.csv metadata.csv \
--additions tools/metadata_additions_v0.2.csv
Validate the canonical index:
python tools/validate_metadata.py metadata.csv
Use a Viewer snapshot only when it was built from the same metadata revision:
python tools/validate_metadata.py metadata.csv --viewer-json viewer_rows.json
For a repository-inventory check, also provide the active pre-standard index and a JSON list of repository paths:
python tools/validate_metadata.py metadata.csv \
--pre-standard-metadata Pre_Standard_Time_Lapses/metadata.csv \
--repo-files-json repo_files.json
The available viewer_rows.json records the pinned base Viewer state. It is an
historical audit input, not part of the proposed upload, and is expected to
differ from the revised indexes until the Viewer rebuilds.
repo_files.json is an audit input captured from the pinned PR repository
inventory; it is not part of the proposed repository upload.