{
  "dataset": "Strategic Signal — Corporate AI Data Transactions",
  "dataset_version": "1.0.24",
  "methodology_version": "1.0.0",
  "released_on": "2026-10-27",
  "observation_count": 24,
  "approved_record_count": 19,
  "change_type": "reviewed_addition",
  "previous_version": "1.0.23",
  "changes": [
    "SS-AIDT-2026-0022: Owner-approved publication under the locked methodology: MassiveMusic licenses a separate dedicated opt-in dataset, approved by rightsholders specifically for training GRAI's music foundation model. The streaming catalog, recommendation metadata and patent license are excluded; financial terms remain undisclosed."
  ],
  "known_limits": [
    "Only human_reviewed records count as approved observations.",
    "Bundled commitments and pending bids are not dataset purchase prices."
  ]
}