{
  "identity_verification": {
    "sampled_queries": 512,
    "max_abs_ratio_vs_endpoints_error": 1.0745379768195562e-06,
    "port_phase_std_across_queries": {
      "0": 0.294586181640625
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  },
  "protocol": "interferometric-ratio-v3b-frozen-replication",
  "frozen_writer_checkpoint_seed": 97,
  "writer_frozen": true,
  "new_arms": [
    "interferometric_ratio",
    "demodulated_difference"
  ],
  "ratio_identity": "z_phase_first*conj(z_shift_first) = exp(i*(tau_source - tau_port)); intermediate phases cancel",
  "ratio_limitation": "ratio is relative source minus port phase, and paired arm measures K/2 source positions using K wave readings",
  "measurement_budget": "K=number of complex-valued scalar detector readings; paired arms spend 2 readings per tested path; padding is not a reading",
  "fixed_ports": [
    [
      0,
      0
    ],
    [
      0,
      4
    ]
  ],
  "phase_payload_bytes": 64,
  "grid": [
    8,
    8
  ],
  "propagation_steps_per_shot": 12,
  "train_scenes": 1024,
  "val_scenes": 256,
  "test_scenes": 512,
  "test_queries": 2048,
  "split_seeds": [
    83611,
    83612,
    83613
  ],
  "trainable_writer_parameters": 0,
  "results_by_budget": {
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      "readout_parameters_per_arm": 722,
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      "validation": {
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        "active_shift_then_phase": {
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        "direct_matched_sources": {
          "accuracy": 1.0,
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        "fixed_routes": {
          "accuracy": 0.81884765625,
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          "cross_entropy": 0.39107879996299744
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        "direct_local_phase": {
          "accuracy": 1.0,
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        "direct_local_amplitude": {
          "accuracy": 1.0,
          "errors": 0,
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        "passive_ports": {
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    }
  },
  "falsification_rule": "Claim a question-directed restricted-port advantage only if active probes beat BOTH fixed question-independent routes and equally budgeted addressable direct-phase probes on held-out queries on both frozen checkpoints. Order sensitivity requires a separate superiority versus same-budget reversed order and raw paired-order controls. Do not confuse target routing with a commutator information gain.",
  "limits": "Only static four-mark synthetic scenes; 2 fixed complex ports; preplanned question-dependent routes, not feedback-adaptive or PDE wavefront propagation. The direct phase and amplitude arms have stronger addressable access than fixed port arms."
}