{
  "dataset": "Strategic Signal — Corporate AI Data Transactions",
  "dataset_version": "1.0.0",
  "methodology_version": "1.0.0",
  "released_on": "2026-09-15",
  "observation_count": 8,
  "candidate_rejections_documented": 5,
  "change_type": "initial_release",
  "changes": [
    "Established the canonical transaction schema and eight-category primary taxonomy.",
    "Published separate AI Data Asset and Transaction Signal scores.",
    "Seeded eight verified observations from 2025–2026.",
    "Created a rejection ledger for plausible but non-qualifying signals.",
    "Defined a machine-ingestible candidate record and mandatory human-review gate."
  ],
  "known_limits": [
    "This is a selective V1 seed set, not a complete census.",
    "The Spirit Airlines transaction remains pending court approval and may change.",
    "Several records disclose program relationships but not data-specific economics or full rights schedules.",
    "No market index is calculated from this release."
  ]
}