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    "caveat": "Descriptive model check with fitted p treated as fixed; not a formal cipher probability."
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  "known_plaintext_adjacent_counts": [
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    },
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  "controls": {
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    "analytic_iid_limit": true
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  "transcription_sha256": "b0b2e13c3cd35512ee5955a2d9a56c22d7410e283d35dd9c90abbaa7b99279eb",
  "limits": [
    "No decryption, plaintext ranking or key search.",
    "Toy model assumes uniform rune marginals and symmetric transitions; not an identified cipher.",
    "Simulation bands exclude uncertainty in the fitted probability and are not posterior probabilities.",
    "Does not model the known repeated six-rune phrase or exact bigram counts.",
    "Independent-uniform restart and pair-boundary predictions apply only to those explicitly restricted models.",
    "Source relies on retained transcription and prior cross-checks; not a fresh full image transcription."
  ]
}
