{
  "freeze_id": "wildtrace_strict481_public_20260710",
  "release_version": "wildtrace-strict481-public-2026-07-10",
  "created_at_utc": "2026-07-10T08:25:28.761729+00:00",
  "num_tasks": 481,
  "num_corpora": 214,
  "data_files": {
    "with_answers_json": "data/wildtrace_strict481.with_answers.json",
    "with_answers_jsonl": "data/wildtrace_strict481.with_answers.jsonl",
    "questions_only_json": "data/wildtrace_strict481.questions_only.json",
    "questions_only_jsonl": "data/wildtrace_strict481.questions_only.jsonl"
  },
  "by_paradigm": {
    "abductive_inference": 65,
    "causal_attribution": 67,
    "comparative": 67,
    "counterfactual_reasoning": 67,
    "forward_chain": 73,
    "intersection_query": 71,
    "temporal_reconstruction": 71
  },
  "by_language": {
    "en": 441,
    "zh": 40
  },
  "by_source_family": {
    "cjk_literature": 40,
    "en_literature": 318,
    "technical_report": 123
  },
  "doc_token_estimate_min": 19106,
  "doc_token_estimate_median": 302084,
  "doc_token_estimate_max": 2549520,
  "floor_status": "FULLY_MET",
  "floor_rule": "tier0 and tier6 >=12 per paradigm; tier1-tier5 >=8 per paradigm; tier7 is a >1M-token stress probe outside the floor.",
  "notes": [
    "Public task ids and corpus ids are opaque.",
    "Model-facing evaluation uses only corpus_file and question_text.",
    "Answer/clue artifacts are provided only in with_answers files.",
    "Annotations, metadata, and scripts are CC BY 4.0; source texts retain original terms."
  ],
  "by_context_tier": {
    "tier0_le_128k": 90,
    "tier1_128k_181k": 59,
    "tier2_181k_256k": 61,
    "tier3_256k_362k": 58,
    "tier4_362k_512k": 59,
    "tier5_512k_724k": 58,
    "tier6_724k_1m": 93,
    "tier7_gt_1m": 3
  }
}