{
  "fold_contract": "Same frozen atlas page and family hashes; train excludes both held-out family fold and held-out page fold",
  "incremental_tests": [
    {
      "exact_permutations": 33554432,
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      "exact_permutations": 33554432,
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      "mean_cell_delta": -0.019448796733580753,
      "model": "Previous class + current suffix",
      "negative_cells": 19,
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      "raw_p": 0.9987098276615143,
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  "interpretation_constraint": "Structural next-class memory only; no plaintext or semantic mapping is inferred.",
  "minimum_rule_support": 5,
  "models": [
    {
      "accuracy": 0.33502499621269505,
      "features": "suffix",
      "lift_vs_current_suffix": 0.0,
      "mean_rules": 121.28,
      "model": "Current suffix",
      "predictions": 13202
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    {
      "accuracy": 0.292910165126496,
      "features": "previous_suffix+suffix",
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      "holm_pass": false,
      "lift_vs_current_suffix": -0.04211483108619907,
      "mean_rules": 278.8,
      "model": "Previous suffix + current suffix",
      "negative_cells": 21,
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      "predictions": 13202,
      "raw_p": 0.9999196529388428,
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    {
      "accuracy": 0.31328586577791245,
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      "model": "Previous class + current suffix",
      "negative_cells": 19,
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      "predictions": 13202,
      "raw_p": 0.9987098276615143,
      "tied_cells": 0
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  ],
  "multiple_testing": "Holm correction across the two second-order additions; one-sided exact paired sign flips over double-held-out cells",
  "pages": 48,
  "receipt_sha256": "4ecb19fcfdf67eb3c706ee40d7a7cf11322e367b4fd03dcb9cd75dc277a48d79",
  "records": 13202,
  "source": "tmp/pdfs/ZL_ivtff_2b.txt",
  "stream_definition": "Currier B; Hands 2 or 3; illustration section not H; current prefix in frozen 54-family atlas",
  "version": "second-order-memory-v1"
}