{
  "study": "EPFS reading-dial synthetic experiment RD3",
  "date": "2026-10-01",
  "scope": "Exact probability calculations in a constructed finite world; not a human or language-model creativity benchmark.",
  "design": {
    "readings": 40,
    "valid_outputs_per_reading": 25,
    "shared_invalid_outputs": 1000000,
    "reading_weights": "Proportional to rank^(-1.1).",
    "within_reading_weights": "Proportional to rank^(-1).",
    "invalid_probability": "min(0.5, 0.02 * sqrt(weight_of_first_reading / weight_of_this_reading)), spread uniformly over shared invalid outputs.",
    "archive": "The most probable outputs in the base distribution, accumulated until they cover half its probability mass.",
    "novelty": "Probability of proposing an output outside the archive, whether valid or invalid.",
    "validity": "Probability of proposing one of the designated valid outputs.",
    "yield": "Probability of proposing an output that is both valid and outside the archive.",
    "reading_arm": "Temper the reading weights while keeping each conditional writer unchanged.",
    "output_arm": "Temper the final marginal output distribution.",
    "relevance": "All readings are treated as equally acceptable to the asker; there is no relevance penalty."
  },
  "matched_novelty": [
    {
      "novelty": 0.6,
      "marginal": {
        "validity": 0.8600942805674328,
        "yield": 0.46009428056743273
      },
      "reading": {
        "validity": 0.9341449888712281,
        "yield": 0.5341449888712284
      }
    },
    {
      "novelty": 0.7,
      "marginal": {
        "validity": 0.7290981832393651,
        "yield": 0.4290981832393651
      },
      "reading": {
        "validity": 0.9222433004475448,
        "yield": 0.6222433004475446
      }
    },
    {
      "novelty": 0.8,
      "marginal": {
        "validity": 0.5532553055921674,
        "yield": 0.3532553055921675
      },
      "reading": {
        "validity": 0.908947423788765,
        "yield": 0.7089474237887649
      }
    },
    {
      "novelty": 0.9,
      "marginal": {
        "validity": 0.3291750066980268,
        "yield": 0.22917500669802682
      },
      "reading": null
    }
  ],
  "provenance": {
    "repository": "EPFS",
    "receipt": "RD3_two_dials.json",
    "source_commit": "b7e98e8710a9d1c262f991fdf1462d67d4c3bbca"
  }
}