{
  "schema_version": "1.0",
  "snapshot_date": "2026-08-31",
  "release_scope": "aggregate-only; no raw platform content, account identifiers, or row-level hashes",
  "source": "https://roy-tong.github.io/knowledge/data/research-corpora-2026-08-31.json",
  "methods": "https://roy-tong.github.io/knowledge/data/",
  "study": {"id":"local-ai-2024","title":"本地 AI 与私有算力","record_count":211088,"first_month":"2024-01","last_month":"2026-07","largest_source":"reddit","largest_source_records":190425,"largest_source_share_pct":90.2112,"platform_counts":{"github":2092,"hacker_news":12456,"public_ecommerce_reviews":368,"public_forum":2810,"public_review_comments":1801,"reddit":190425,"stackexchange":1136},"machine_evidence_label_counts":{"not-coded":211088},"duplicate_record_ids":0,"missing_record_ids":0,"duplicate_stored_text_hashes":0,"missing_stored_text_hashes":0,"nonempty_text_records":211088,"invalid_json_lines":0,"input_sha256":"ae7dbd0cef04bc0013f66484207e0c95328250a88b350cb01ac692947ddb863f","semantic_label_validation":"not-performed-in-this-recount","unit":"feedback record, not person or validated demand"},
  "limitations": ["Records are not unique people or validated demand.", "Machine labels were not semantically verified in this recount.", "Cross-study text overlap exists; study sizes cannot be summed as independent samples.", "Public aggregates support arithmetic checks, not independent reconstruction of raw data."]
}