{
  "layer_name": "physical-reference-relationships-v0.1",
  "release_state": "reviewed_relationship_table_reference_media_not_bundled",
  "created_date": "2026-08-26",
  "dataset_id": "maxwellinked/time-lapse-artifacts",
  "source_hub_revision": "ba7e7903901767f2d5a4367d7ae22c2546366d6d",
  "canonical_metadata_path": "metadata.csv",
  "sidecar_path": "Physical_References/endpoint_references.csv",
  "sidecar_sha256": "f0071876769ed4d90ba577ce76535cdc62b44ab27b5a1c575c2542eb60b62152",
  "schema_path": "Physical_References/SCHEMA.md",
  "capture_protocol_path": "Physical_References/CAPTURE_AND_INGEST_PROTOCOL.md",
  "canonical_schema_field_count": 29,
  "record_identity": "record_id",
  "reference_identity": "reference_id",
  "reference_media_bundled": false,
  "internal_review_ledgers_bundled": false,
  "counts": {
    "standard_records_at_source_revision": 363,
    "owner_confirmed_reference_links": 309,
    "standard_records_without_current_reference_link": 54,
    "relationship_types": {
      "endpoint_photograph": 52,
      "longitudinal_continuation": 1,
      "owner_confirmed_record_reference": 232,
      "two_sided_work_reference": 24
    },
    "reference_image_hash_state": {
      "missing": 13,
      "present": 296
    }
  },
  "review_basis": "Owner-confirmed visual audit against canonical videos and retained physical-reference photographs; supporting review ledgers remain local and are not public dataset records.",
  "limitations": [
    "Reference photographs are not bundled in version 0.1 and are not downloadable from the Hub.",
    "The table does not create frame labels, calibrated trajectories, or an official benchmark split.",
    "Encoded playback rate is not real drawing time.",
    "Exact temporal endpoint equivalence is asserted only where endpoint_claim_state supports it.",
    "The corpus represents one creator and must not be generalized broadly without external validation."
  ]
}