{
  "schema_version": 1,
  "checked_on": "2026-10-15",
  "affected_id": "ASM-010",
  "prior_central_mvh": 120,
  "rows": [
    {
      "input_id": "W5-P4-2025-B10",
      "conference": "Big Ten",
      "matchup": "Indiana\u2013Ohio State",
      "ama_persons": 18332000,
      "game_duration_minutes": 186,
      "attendance": 68214,
      "audience_source": "https://www.foxsports.com/stories/presspass/big-ten-championship-scores-18332000-viewers-on-fox",
      "duration_source": "https://ohiostatebuckeyes.com/sports/football/stats/2025/indiana/boxscore/21904",
      "audience_status": "FOX primary press release verified in downloaded HTML; conference corroboration indexed but endpoint404",
      "event_date": "2025-12-06",
      "season": 2025,
      "checked_on": "2026-10-15",
      "standardized_mvh_3_5h": 64.162,
      "game_duration_proxy_mvh": 56.8292
    },
    {
      "input_id": "W5-P4-2025-SEC",
      "conference": "SEC",
      "matchup": "Georgia\u2013Alabama",
      "ama_persons": 16860000,
      "game_duration_minutes": 190,
      "attendance": 77247,
      "audience_source": "https://www.sportsmediawatch.com/2025/12/sec-championship-ratings-abc-big-12-acc-american-sun-belt-viewership/",
      "duration_source": "https://georgiadogs.com/documents/download/2025/12/7/25FB_GameStats_UGA_SEC_Championship.pdf",
      "audience_status": "original ratings reporting; official SEC corroborates rounded16.9m",
      "event_date": "2025-12-06",
      "season": 2025,
      "checked_on": "2026-10-15",
      "standardized_mvh_3_5h": 59.01,
      "game_duration_proxy_mvh": 53.39
    },
    {
      "input_id": "W5-P4-2025-B12",
      "conference": "Big 12",
      "matchup": "Texas Tech\u2013BYU",
      "ama_persons": 8990000,
      "game_duration_minutes": 194,
      "attendance": 85519,
      "audience_source": "https://www.sportsmediawatch.com/2025/12/sec-championship-ratings-abc-big-12-acc-american-sun-belt-viewership/",
      "duration_source": "https://big12sports.com/boxscore.aspx?id=7ltyipP022aUJKmSgYVs3wXi7up73ghniwD5ElWyd07J7BNseBaMQePf0fY%2F3yUPyLeI%2FglaGGyhx0dbdG13BdrupovHcLWJXP%2FEF7rrzg9o2znX5AyNzLYrPos%2Fq%2BmAxb8ktffSZuTZAqfDSC7JchCPBul4ZwhvV%2BfAZewwD9I%3D&path=football",
      "audience_status": "original ratings reporting",
      "event_date": "2025-12-06",
      "season": 2025,
      "checked_on": "2026-10-15",
      "standardized_mvh_3_5h": 31.465,
      "game_duration_proxy_mvh": 29.067666666666664
    },
    {
      "input_id": "W5-P4-2025-ACC",
      "conference": "ACC",
      "matchup": "Duke\u2013Virginia",
      "ama_persons": 3880000,
      "game_duration_minutes": 233,
      "attendance": 41672,
      "audience_source": "https://www.sportsmediawatch.com/2025/12/sec-championship-ratings-abc-big-12-acc-american-sun-belt-viewership/",
      "duration_source": "https://theacc.com/boxscore.aspx?id=7ltyipP022aUJKmSgYVs3wXi7up73ghniwD5ElWyd07J7BNseBaMQePf0fY%2F3yUPzfbjWs34YWQFqcM30Vtc5Za%2FuwsCuLP%2FrKh0CwVnJHbrSrfk4LtQlQHeBu56GPy%2F9qR8DUA7l30rLZBVvBPgWw%3D%3D&path=football",
      "audience_status": "original ratings reporting",
      "event_date": "2025-12-06",
      "season": 2025,
      "checked_on": "2026-10-15",
      "standardized_mvh_3_5h": 13.58,
      "game_duration_proxy_mvh": 15.067333333333332
    }
  ],
  "derived": {
    "standardized_mvh_3_5h": 168.217,
    "game_duration_proxy_mvh": 154.3542,
    "attendance_sum": 272652,
    "mean_game_duration_hours": 3.345833333333333
  },
  "recommended_use": "Replace unsupported120mvh central displaced-P4-title anchor with168.217mvh at the existing assumed3.5h standard duration, as a historical-audience-calibrated scenario. Preserve future displacement as an assumption and stress range. Show154.3542mvh official-game-duration proxy separately; do not claim it is measured Nielsen viewer-hours.",
  "limitations": [
    "AMA reporting windows may differ from official kickoff-to-final game duration. Matched Nielsen measured telecast minutes are missing.",
    "Official ACC duration03:53 differs by one minute from reported start/end clocks; preserve explicit duration field.",
    "Summed event audiences are not unique fans.",
    "2025 Nielsen Big Data/OOH measurement differs from earlier years.",
    "2025 attendance is observed demand, not paid attendance, ticket yield, future capacity or a cash receipt.",
    "Future title removal/replacement and audience diversion to other programs remain scenarios.",
    "No negotiated media value or causal format effect is identified."
  ],
  "corroborating_sources": [
    "https://www.secsports.com/news/2026/07/2026-sec-football-preseason-media-poll-all-sec-team-announced",
    "https://www.foxsports.com/stories/presspass/big-ten-championship-scores-18332000-viewers-on-fox"
  ],
  "status": "historical observations plus explicitly labeled derived proxies; not a future forecast"
}