{
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  "source_sha256": {
    "book/polyhedral_volumes_and_geodesic_identities.tex": "63102e64405a58b8f5d51bfdffe6be43fc5cfe9a232dc0f396f1709733d750dc",
    "research/ipoly/duffin_rivin_volume_laplacian_solvers.tex": "339a2440e65864339ae7ffb9fb3bdd69f8070232216a6045b65cb3550587de69",
    "audit/2026-10-31/ipoly-audit.md": "95e7f80fb389ec82bb7665a1629e216cef538dd1704f62f4230d3fa1f39e6638"
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  "evidence_status": "Independent algebra diagnostics; sampled floating point is not proof.",
  "compatibility": {
    "samples": 10000,
    "seed": 20261031,
    "arithmetic": "binary64",
    "max_relative_A_identity_error": 8.212980286774967e-13,
    "max_scaled_third_identity_error": 8.107258369224431e-13,
    "max_tangent_sum_residual": 2.6645352591003757e-15,
    "max_compatibility_ratio": 1.5158230962484345,
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  "boundary_counterexample": {
    "coordinates": [
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      [
        1.0,
        0.0
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    "triangles": [
      [
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        2
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      [
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        3
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    ],
    "triangle_angles_degrees": [
      [
        90.0,
        59.99999999999999,
        30.000000000000014
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        29.99999999999998
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    "boundary_angles_degrees": [
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    "internal_opposite_angle_sum_degrees": 89.99999999999997,
    "interpretation": "Positive locally Delaunay disk angles do not imply a convex developed boundary."
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        "flat_directional_derivative": 1.4517240601672654
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        "epsilon": 1e-08,
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    "decrement_target": "1/4",
    "parameter_step_c": "1/20",
    "decrement_after_parameter_change_bound": "5/16",
    "exact_Newton_result_bound": "25/121",
    "gap_multiplier_for_m_over_t": "17/12",
    "optional_inexact_energy_relative_error": "1/100",
    "optional_inexact_Newton_result_bound": "10420/47961"
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}
