{
  "dataset": "Strategic Signal — Corporate AI Data Transactions",
  "dataset_version": "1.0.25",
  "methodology_version": "1.0.0",
  "released_on": "2026-10-27",
  "observation_count": 24,
  "approved_record_count": 19,
  "change_type": "reviewed_correction",
  "previous_version": "1.0.24",
  "changes": [
    "SS-AIDT-2026-0019: Owner-approved participant and source update to existing SS-AIDT-2026-0019: Reach plc joins the same paid Google News AI pilot through enhanced content rights across its UK and Ireland portfolio. No duplicate transaction is created, scores are unchanged, and training and other undisclosed rights remain undisclosed."
  ],
  "known_limits": [
    "Only human_reviewed records count as approved observations.",
    "Bundled commitments and pending bids are not dataset purchase prices."
  ]
}