{
  "dataset": "Strategic Signal — Corporate AI Data Transactions",
  "dataset_version": "1.0.14",
  "methodology_version": "1.0.0",
  "released_on": "2026-09-30",
  "observation_count": 16,
  "approved_record_count": 11,
  "change_type": "reviewed_correction",
  "previous_version": "1.0.13",
  "changes": [
    "SS-AIDT-2026-0011: Correct source-stated first disclosure to September 15, 2026 and distinguish the September 23 infrastructure announcement. Preserve uncertainty about execution dates and original page publication history; do not count this as an in-horizon new transaction."
  ],
  "known_limits": [
    "Only human_reviewed records count as approved observations.",
    "Bundled commitments and pending bids are not dataset purchase prices."
  ]
}