{
  "layers": [
    3,
    7,
    11,
    15,
    19,
    23
  ],
  "layer_pairs": [
    [
      3,
      7
    ],
    [
      3,
      11
    ],
    [
      3,
      15
    ],
    [
      3,
      19
    ],
    [
      3,
      23
    ],
    [
      7,
      11
    ],
    [
      7,
      15
    ],
    [
      7,
      19
    ],
    [
      7,
      23
    ],
    [
      11,
      15
    ],
    [
      11,
      19
    ],
    [
      11,
      23
    ],
    [
      15,
      19
    ],
    [
      15,
      23
    ],
    [
      19,
      23
    ]
  ],
  "heads": 8,
  "kv_heads": 2,
  "head_dim": 256,
  "calibration_samples": [
    "cal-zh-1",
    "cal-zh-2",
    "cal-en-1",
    "cal-en-2"
  ],
  "validation_samples": [
    "test-zh-1",
    "test-zh-2",
    "test-en-1",
    "test-en-2"
  ],
  "fresh_test_file": "crossqkv/fresh_samples.json",
  "fresh_test_count": 4,
  "tokens_per_text": 32,
  "query_positions_for_primary_metrics": [
    7,
    8,
    9,
    10,
    11,
    12,
    13,
    14,
    15,
    16,
    17,
    18,
    19,
    20,
    21,
    22,
    23,
    24,
    25,
    26,
    27,
    28,
    29,
    30,
    31
  ],
  "candidate_types": [
    "full_attention",
    "qkv_head",
    "qk_map",
    "qk_head",
    "v_group"
  ],
  "discrete_head_matching": "Exact 8-head minimum mean-JS bijection, two source-layer calibration input distributions; frozen before validation; P injection only",
  "continuous_alignment": false,
  "training": false,
  "scale_fitting": false,
  "gpu": false,
  "cost_required": false,
  "tiers": {
    "strict": {
      "output_error": 0.05,
      "output_cosine": 0.99,
      "js": 0.01,
      "js_p95": 0.05,
      "top5": 0.8,
      "value_error": 0.05,
      "value_cosine": 0.99
    },
    "approximate": {
      "output_error": 0.2,
      "output_cosine": 0.98,
      "js": 0.05,
      "js_p95": 0.15,
      "top5": 0.6,
      "value_error": 0.2,
      "value_cosine": 0.98
    }
  },
  "max_qk_head_output_candidates": 32,
  "max_v_group_output_candidates": 16,
  "all_qk_map_output_candidates": 30,
  "max_final_candidate": 1,
  "selection": "strict before approximate; type priority full_attention/qkv_head/qk_map/qk_head/v_group; then worst output error, JS, ID; no validation-driven fallback",
  "head_output_activity_floor": "max(1e-6, 0.1 * within-layer median head RMS) for every calibration/validation/test text",
  "fresh_test_run_only_if_frozen_candidate_passes_validation": true,
  "network_interventions": "two same-input donor-function substitution directions; plus one earlier-to-later actual cached-state reuse test reported separately",
  "network_quality": {
    "mean_token_nll_delta_max": 0.01,
    "per_text_p95_nll_delta_max": 0.05
  },
  "retention": "all weights and caches retained until explicit user deletion request",
  "seconds": 7200,
  "controls": [
    "identity",
    "uniform causal P",
    "seeded within-causal-row key shuffle",
    "first-key ablation",
    "self/recent3 mass",
    "value Gram to input",
    "value Gram of two seeded Gaussian projections"
  ],
  "positional_repeat_labels": {
    "sink_dominated": 0.9,
    "self_dominated": 0.9,
    "recent3_dominated": 0.9
  },
  "limitations": [
    "Old validation texts were used in prior experiments; four fresh texts are reserved for this new goal",
    "Direct V-coordinate disagreement does not disprove V/O functional equivalence; centered value Gram CKA is diagnostic only",
    "Arbitrary P-head assignment does not authorize arbitrary GQA KV-weight permutation",
    "Short text-only pilot does not establish broad task equivalence or linear-attention reuse"
  ],
  "registered_unix": 1794208209.7811735,
  "source_run": "/opt/exp-model-parameter-similarity/runs/cpu-qwen35-2b",
  "fresh_sample_sha256": "d3f53fc98fa9d061a3df42f24fe307b693b41a9ddf74c8377dd52096663c40a9"
}