verification/JOIN_VERIFICATION.md

Join verification — ZoomCap-450K ↔ ScaleCap-450k

structure_full

{
  "rows": 454963,
  "unique_keys": 440238,
  "shards": 10,
  "problems": {}
}

structure_clean

{
  "rows": 451276,
  "unique_keys": 436642,
  "shards": 10,
  "problems": {}
}

structure_pii_free

{
  "rows": 447285,
  "unique_keys": 432755,
  "shards": 9,
  "problems": {}
}

stats_reconciliation

{
  "expected": {
    "full": 454963,
    "clean": 451276,
    "pii_free": 447285
  },
  "observed": {
    "full": 454963,
    "clean": 451276,
    "pii_free": 447285
  },
  "match": true
}

keys_emitted

"zoomcap450k_image_keys.txt.gz (local, not published)"

NOTE: upstream check could not reach the HF datasets-server (offline / restricted network). Re-run --mode upstream from a machine with network access before publishing.