{
  "schema": "devdarsha-public-accuracy-manifest-v2",
  "product": "horoscope",
  "snapshot_date": "2026-06-30",
  "status": "beta",
  "ayanamsa": "Lahiri (Chitrapaksha)",
  "claim_statement": "DevDarsha Horoscope is validated for positional and structural correctness of sidereal (Lahiri) Jyotish calculations against curated public reference charts, with deterministic output. This is positional / tolerance validation only — it is not a prediction-accuracy claim.",
  "tolerances": {
    "ayanamsa_arcseconds_max": 2,
    "graha_arcminutes_max": 1,
    "node_arcminutes_max": 2,
    "sign_nakshatra_pada": "exact match",
    "dasha_balance_years_max": 0.1
  },
  "coverage": {
    "charts_validated": 15,
    "charts_total": 15,
    "corpus_stage": "phase_1",
    "roadmap": "15_to_50_to_100_plus",
    "independent_sun_sign_anchors": 5,
    "reference_basis": "Curated public Jyotish reference charts (not Swiss Ephemeris)."
  },
  "determinism": {
    "status": "validated",
    "note": "Fixed input yields byte-identical output across repeated calls."
  },
  "sections": {
    "positional_grahas": {
      "label": "Planetary positions (grahas)",
      "checked": 345,
      "passed": 345,
      "pass_rate": 100,
      "coverage": "Nine grahas (incl. Rahu/Ketu) across 15 curated charts: sidereal rashi, nakshatra and pada.",
      "method": "Exact-match comparison vs curated public reference values within stated tolerances."
    },
    "lagna": {
      "label": "Ascendant (lagna) sign",
      "checked": 13,
      "passed": 13,
      "pass_rate": 100,
      "coverage": "Ascendant sign across curated charts that publish a verifiable lagna.",
      "method": "Exact sign match vs curated public reference values."
    },
    "nakshatra_pada": {
      "label": "Nakshatra & pada",
      "status": "validated",
      "coverage": "Nakshatra and pada validated within the graha positional checks above.",
      "method": "Exact nakshatra + pada match vs curated public reference values."
    },
    "divisional_d9": {
      "label": "Divisional chart D9 (navamsa)",
      "status": "validated",
      "coverage": "D1 + D9 only (public contract). Navamsa sign checked against curated references.",
      "method": "Exact navamsa sign match vs curated public reference values."
    },
    "dasha": {
      "label": "Vimshottari dasha",
      "status": "validated",
      "coverage": "Birth dasha lord and balance validated against curated references.",
      "method": "Exact birth-lord match; balance within ±0.1 years for source rounding."
    },
    "sun_sign_anchors": {
      "label": "Independent Sun-sign anchors",
      "checked": 5,
      "passed": 5,
      "pass_rate": 100,
      "coverage": "Sidereal Sun-ingress (Sankranti) dates — independent of both our engine and Swiss.",
      "method": "Exact sign match vs published public-calendar Sankranti facts."
    }
  },
  "sources": [
    "horoscope-core/docs/horoscope-accuracy-report.md"
  ],
  "validation_boundary": {
    "public_scope": "This manifest summarizes the phase-1 positional/structural validation result for the curated reference corpus.",
    "evidence_policy": "Retained internal test artifacts are maintained by DevDarsha and are not published as implementation guidance.",
    "not_a_prediction": "This is a deterministic software calculation-validation snapshot. It is not a prediction-accuracy claim and is not religious, legal, financial, or medical advice."
  },
  "integrity": {
    "algorithm": "SHA-256",
    "canonicalization": "JSON keys sorted recursively; hash field excluded"
  },
  "hash": "sha256:4ea209dfc0fb7c1e99efcf4ee805e0288e06603cad38e04364519cfe2bcbbd0a"
}
