{
  "schema": "devdarsha-public-accuracy-manifest-v2",
  "generated_at": "2026-05-10T08:51:12.551Z",
  "snapshot_date": "2026-05-10",
  "engine_version": "5.0.0",
  "ayanamsa": "Lahiri 1955",
  "system": "Purnimanta",
  "claim_statement": "Engine v5.0.0 is production-ready for deterministic panchang generation across the 2020-2030 launch corpus, with 100% pass rate on structural, range, ordering, muhurat, choghadiya, and festival-emission invariants across 28,126 profile-days.",
  "window": {
    "start_date": "2020-01-01",
    "end_date": "2030-12-31",
    "date_count": 4018,
    "profile_count": 7,
    "profile_day_count": 28126
  },
  "profiles": [
    "Kolkata",
    "Mumbai",
    "Delhi",
    "Chennai",
    "Bengaluru",
    "NewYork",
    "Toronto"
  ],
  "sections": {
    "sun_moon": {
      "label": "Sun and Moon",
      "tested": 56252,
      "passed": 56252,
      "pass_rate": 100,
      "coverage": "Sunrise and sunset presence, ordering, and daily calculation invariants across the launch corpus.",
      "method": "Deterministic release-validation invariant sweep"
    },
    "tithi_etc": {
      "label": "Tithi, Nakshatra, Yoga, Karana",
      "tested": 112504,
      "passed": 112504,
      "pass_rate": 100,
      "coverage": "Valid ranges, names, paksha where applicable, and sunrise-based panchang element integrity.",
      "method": "Deterministic release-validation invariant sweep"
    },
    "muhurat": {
      "label": "Muhurat and Choghadiya",
      "tested": 56252,
      "passed": 56252,
      "pass_rate": 100,
      "coverage": "Required windows, ordered slots, and internally consistent sunrise/sunset derivations.",
      "method": "Deterministic release-validation invariant sweep"
    },
    "festivals": {
      "label": "Festivals",
      "tested": 28126,
      "passed": 28126,
      "pass_rate": 100,
      "coverage": "Festival emission validity, required identifiers, names, lunar-month context, and daily engine stability.",
      "method": "Deterministic release-validation invariant sweep"
    }
  },
  "totals": {
    "festival_emissions": 33356,
    "grahan_emissions": 350,
    "adhik_profile_days": 819
  },
  "validation_boundary": {
    "public_scope": "This public manifest summarizes the release-validation result for the covered launch corpus.",
    "evidence_policy": "Detailed internal artifacts and retained audit evidence are maintained by DevDarsha and are not published as implementation guidance.",
    "high_risk_note": "This is a deterministic software validation snapshot, not religious, legal, financial, medical, or ceremonial advice. Independent verification is recommended before high-risk reliance."
  },
  "integrity": {
    "algorithm": "SHA-256",
    "canonicalization": "JSON keys sorted recursively; hash field excluded"
  },
  "hash": "sha256:41bd6c53554c27368c72802d233d06faeaa5172915d8160bafdd538577121247"
}