{
  "schema_version": "minute-rectification-holdout-v2",
  "benchmark_id": "minute_rectification_holdout_v2",
  "scope": "public_birth_minute_rectification",
  "truth_hidden_from_ranker": true,
  "frozen_before_replay": true,
  "frozen_scoring": {
    "algorithm_version": "birth-time-event-scoring-v2",
    "implementation_sha256": "153fea0f69d47a241f6692325f254eca8833a8efd529f81493cdea6ee36528aa",
    "files": [
      "scripts/active_rectification_events.py",
      "scripts/active_rectification_event_engine.py",
      "scripts/domain_calculation_service.py",
      "scripts/dasha_analyzer.py",
      "scripts/narayana_dasha.py",
      "scripts/varga.py",
      "scripts/jaimini.py",
      "scripts/ashtakavarga.py",
      "scripts/shadbala.py"
    ],
    "tie_breaker": "sha256(benchmark_id:case_id:candidate_time); published minute is never used"
  },
  "truth_policy": "Only independently published Rodden AA birth-minute records and independently sourced dated life events qualify.",
  "negative_control_policy": "Every case includes blinded false-minute candidates on both sides of the published minute, including +/-1 and +/-2 minutes.",
  "minimum_gate": {
    "public_aa_cases": 20,
    "events_per_case": 3,
    "domains_per_case": 2,
    "independent_event_sources_per_case": 2,
    "negative_minutes_per_case": 4
  },
  "release_metrics": {
    "top_1_rate_minimum": 0.6,
    "top_3_rate_minimum": 0.85,
    "mean_absolute_minute_error_maximum": 2.0,
    "false_confirmation_rate_maximum": 0.05,
    "correct_insufficient_evidence_rejection_rate_minimum": 0.9
  },
  "cases": [
    {
      "case_id": "barack_obama_1961_aa",
      "subject_label": "Barack Obama",
      "holdout_partition": "sealed_evaluation",
      "excluded_from_tuning": true,
      "candidate_radius_minutes": 10,
      "false_minute_offsets": [-10, -5, -2, -1, 1, 2, 5, 10],
      "birth": {
        "date": "1961-08-04",
        "time": "19:24",
        "place": "Honolulu, Hawaii, United States",
        "latitude": 21.3069,
        "longitude": -157.8583,
        "timezone_offset": -10.0,
        "source": {
          "publisher": "Astro-Databank",
          "url": "https://www.astro.com/adbvip/adbvip_08_04.htm?lang=r&nho2=161&nhor=1",
          "rodden_rating": "AA",
          "record_type": "birth_record"
        }
      },
      "events": [
        {
          "id": "obama_wedding_1992",
          "domain": "relationship",
          "date": "1992-10-03",
          "precision": "day",
          "description": "Married Michelle Robinson.",
          "source": {
            "publisher": "Obama Foundation",
            "url": "https://obama.org/about/administration/chicago-where-it-began/",
            "independent_of_birth_source": true
          }
        },
        {
          "id": "obama_illinois_senate_1996",
          "domain": "career",
          "date": "1996-11-05",
          "precision": "day",
          "description": "Elected to the Illinois State Senate.",
          "source": {
            "publisher": "Obama Foundation",
            "url": "https://obama.org/about/administration/chicago-where-it-began/",
            "independent_of_birth_source": true
          }
        },
        {
          "id": "obama_presidential_election_2008",
          "domain": "career",
          "date": "2008-11-04",
          "precision": "day",
          "description": "Elected President of the United States.",
          "source": {
            "publisher": "The White House (archived)",
            "url": "https://obamawhitehouse.archives.gov/1600/presidents/barackobama/",
            "independent_of_birth_source": true
          }
        }
      ]
    }
  ],
  "boundary": "One seeded case is protocol plumbing, not evidence of accuracy. Verified-minute claims remain blocked until at least 20 sealed public AA cases pass all frozen metrics without tuning on their outcomes."
}