{
  "id": "spain-reference-personas-2025-v0.1",
  "label": "Spain Reference Personas Frontier",
  "release_slug": "spain-reference-personas-2025-v0.1-1m",
  "population_reference_date": "2025-12-31",
  "release_date": "2026-03-20",
  "release_classification": "frontier_reference_population",
  "generation_mode": "local_grounded_reference_population",
  "narrative_renderer": "deterministic_spanish_frontier_v2",
  "total_personas": 1000000,
  "total_households": 536741,
  "total_persona_views": 6350524,
  "extended_profile_rate": 0.35,
  "batch_size": 20000,
  "batch_count": 50,
  "weighting": {
    "mode": "two_pass_global_region_calibration",
    "region_counts": {
      "Cataluña": 163451,
      "Madrid": 141935,
      "Andalucía": 178947,
      "Galicia": 57264,
      "País Vasco": 47003,
      "Aragón": 28339,
      "Murcia": 32159,
      "Extremadura": 22258,
      "La Rioja": 6621,
      "Comunidad Valenciana": 106174,
      "Canarias": 45808,
      "Baleares": 24584,
      "Castilla y León": 50684,
      "Castilla-La Mancha": 43906,
      "Asturias": 21292,
      "Navarra": 13982,
      "Cantabria": 12083,
      "Ceuta": 1670,
      "Melilla": 1840
    }
  },
  "benchmark": {
    "benchmark_sample_size": 5000,
    "tasks_per_split": 50,
    "total_tasks": 1800
  },
  "documentation_artifacts": [
    "README.md",
    "DATASHEET.md",
    "METHODS.md",
    "SAFE_USE_POLICY.md",
    "MODEL_AND_DATA_GOVERNANCE.md",
    "PRIVACY_AND_DISCLOSURE.md",
    "EVALUATION_REPORT.md",
    "EVALUATION_METRICS.json",
    "CITATION.cff",
    "ZENODO_METADATA.json",
    "datacite_metadata.json",
    "RELEASE_CHECKLIST.md",
    "docs/DOI_RELEASE_PLAN.md",
    "docs/ANNOUNCEMENT_POST.md",
    "docs/REVIEW_NOTES.md"
  ],
  "artifacts": {
    "persona_core": {
      "jsonl": null,
      "parquet": "persona_core.parquet",
      "rows": 1000000
    },
    "household_core": {
      "jsonl": null,
      "parquet": "household_core.parquet",
      "rows": 536741
    },
    "persona_views": {
      "jsonl": null,
      "parquet": "persona_views.parquet",
      "rows": 6350524
    },
    "actor_state_init": {
      "jsonl": null,
      "parquet": "actor_state_init.parquet",
      "rows": 1000000
    },
    "benchmark_tasks": {
      "jsonl": "benchmark_tasks.jsonl",
      "parquet": "benchmark_tasks.parquet",
      "rows": 1800
    },
    "source_registry": {
      "jsonl": "source_registry.jsonl",
      "parquet": "source_registry.parquet",
      "rows": 11
    },
    "field_provenance": {
      "jsonl": "field_provenance.jsonl",
      "parquet": "field_provenance.parquet",
      "rows": 13
    }
  },
  "acceptance_targets": [
    {
      "id": "target-aggregate-fidelity",
      "label": "National demographic fidelity",
      "target": "Weighted MAE <= 1 pp on core demographics",
      "rationale": "The structured population must match macro Spain before any narrative rendering."
    },
    {
      "id": "target-regional-fidelity",
      "label": "Regional and joint-distribution fidelity",
      "target": "Weighted MAE <= 2 pp on major regional and socioeconomic marginals",
      "rationale": "Benchmark usefulness depends on subgroup fidelity, not only national totals."
    },
    {
      "id": "target-token-budgets",
      "label": "Token-bounded views",
      "target": "100% compliance on micro, standard, policy, consumer, culture, and dialogue views",
      "rationale": "LLM usefulness requires compact, predictable persona serializations."
    },
    {
      "id": "target-benchmark-coverage",
      "label": "Benchmark split coverage",
      "target": "All 9 benchmark families and all 4 generalization splits populated",
      "rationale": "The release must support both capability and generalization testing."
    },
    {
      "id": "target-long-bio-optionality",
      "label": "Long-form restraint",
      "target": "Extended profiles remain optional until benchmark lift is demonstrated",
      "rationale": "The project optimizes for usefulness, not biography length."
    }
  ],
  "baselines": [
    {
      "id": "baseline-none",
      "label": "No persona",
      "description": "Task prompts without persona conditioning."
    },
    {
      "id": "baseline-demographic-only",
      "label": "Demographic-only persona",
      "description": "Region, age, gender, and education without latent structure or views."
    },
    {
      "id": "baseline-narrative-only",
      "label": "Narrative-only persona",
      "description": "Free-form biography without structured controls."
    },
    {
      "id": "baseline-structured-only",
      "label": "Structured-only persona",
      "description": "Rich structured attributes without natural-language views."
    },
    {
      "id": "baseline-structured-views",
      "label": "Structured plus views",
      "description": "Target frontier system with stable core plus bounded persona views."
    },
    {
      "id": "baseline-demoverse",
      "label": "Current DemoVerse generator",
      "description": "Existing heuristic agent generator used in the simulation product today."
    }
  ]
}