{
  "status": "investigated; package-import mechanism inferred, original package unidentified",
  "scope": "Largest component of common-block links, minimum block 20, 95% coverage for either user, all groups.",
  "groups": 40,
  "users": 43,
  "links": 447,
  "shared_distinct_events": 13784,
  "shared_presentations": 588219,
  "all_user_core_reviews": 11804,
  "all_user_core_cards": 4747,
  "shared_events_minimum_owners": 34,
  "private_reviews": 200511,
  "users_with_full_reference": 22,
  "users_with_only_reference": 4,
  "users_with_later_extras_only": 35,
  "users_with_earlier_or_interleaved_extras": 4,
  "users_with_missing_old_reviews": 21,
  "missing_old_review_presentations": 4493,
  "missing_old_card_histories": 1229,
  "all_missing_card_histories_have_later_learning_restart": true,
  "deck_hierarchy_size": 46,
  "users_retaining_deck_ids": 24,
  "users_retaining_deck_ids_and_parent_links": 22,
  "deck_id_allocation_span_ms": 160,
  "deck_id_allocation_month": "2020-11",
  "shared_history_end_month": "2020-11",
  "users_retaining_2730_card_note_deck_mappings": 21,
  "users_without_reference_card_metadata": 14,
  "shared_event_years": {
    "2017": 142,
    "2018": 3817,
    "2019": 3807,
    "2020": 6018
  },
  "private_event_years": {
    "2019": 8265,
    "2020": 22865,
    "2021": 5964,
    "2022": 20673,
    "2023": 38236,
    "2024": 104508
  },
  "limits": [
    "No deck names, note text, package identity, import log or uploader identity in this export.",
    "Entity IDs indicate allocation, not when each user imported a package.",
    "A transferred collection, backup or copied profile can also preserve review history.",
    "Common events establish shared history; they do not establish misconduct or that user identities are the same."
  ],
  "verification": "All selected source SHA256s agree with audit; canonical arrays rebuilt and exactly match caches.",
  "provenance": {
    "captured_utc": "2026-10-11T14:46:14.488050+00:00",
    "git_commit": "703258ae533464c2ec12c63afa3df81093445cbb",
    "git_dirty": true,
    "source_tree_sha256": "6801e100e4c26cc99c5f3713dbe492ab94bca30f319dfe9c54a3c07268a6aba7"
  },
  "private_investigation_sha256": "ea482d30b25d57bfea553ea544edc63d346acf77a57dc19a3c98c39a61db6345",
  "sources": {
    "anki_export": "https://github.com/ankitects/anki/blob/main/docs-site/manual/exporting.mdx",
    "anki_import": "https://github.com/ankitects/anki/blob/main/docs-site/manual/importing/packaged-decks.mdx",
    "dataset_builder": "https://github.com/open-spaced-repetition/anki-revlogs-dataset-builder/blob/e29946556796443283bf9c8e9d21f4502cb2e9c1/build_parquet.py"
  }
}