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Phase 3 Entanglement ZNE Analysis Manifest

Date: 2026-05-20

Inputs

  • Counts artefact: data/phase3_entanglement_tomography/entanglement_tomography_live_ibm_fez_2026-05-20T023600Z.json
  • Reference CSV: data/phase3_entanglement_tomography/entanglement_observable_rows_2026-05-07.csv
  • Backend: ibm_fez
  • Job IDs: d86hs6qs46sc73f70h90, d86hsltg7okc73el4lg0

Outputs

  • JSON summary: data/phase3_entanglement_tomography/entanglement_zne_summary_2026-05-20_ibm_fez_zne.json
  • Scale rows: data/phase3_entanglement_tomography/entanglement_zne_scale_rows_2026-05-20_ibm_fez_zne.csv
  • Scale rows SHA256: f93435be67f98e4f6ded9d1e0378c06c2cc4586343e1cf2bed895fa00f917e5a
  • Channel summary: data/phase3_entanglement_tomography/entanglement_zne_channel_summary_2026-05-20_ibm_fez_zne.csv
  • Channel summary SHA256: 775594dd3efc8f519111365179659d41903cf774bcde1d20a378d53b6ee8e7aa

Result Snapshot

  • Scale rows: 15
  • Channels: 5
  • Noise scales: [1, 3, 5]
  • Scale-1 mean absolute deviation: 0.4196274906488838
  • Linear ZNE mean absolute deviation: 0.44124749932943935
  • Readout-mitigated linear ZNE mean absolute deviation: 0.4468173734963394
  • Quadratic ZNE mean absolute deviation: 0.4477931807530503

Readout Mitigation

  • Method: full_correlated_readout_inverse
  • Calibration circuits: 16
  • Boundary: full correlated readout inversion only; not a ZNE/PEC result and not a correction for basis-rotation or coherent gate errors

Boundary

small preregistered reduced-Pauli ZNE stress test only; not a backend-general, advantage, full-tomography, or full-causal mechanism claim