{
  "step": "C276",
  "status": "passed",
  "check_count": 70,
  "checks": [
    "source digest and bytes: C275_CERTIFICATE.json",
    "source digest and bytes: C275_REPORT.md",
    "source digest and bytes: C275_CHECKPOINT.md",
    "source digest and bytes: C275_RESULTS.json",
    "source digest and bytes: C275_SUPPLEMENT.md",
    "source digest and bytes: C269_RECTANGLE.json",
    "source digest and bytes: C269_REPORT.md",
    "source digest and bytes: C269_GRAPH_INCIDENCE.json",
    "source digest and bytes: C269_PATHS.json",
    "source digest and bytes: C270_MAPS.json",
    "source digest and bytes: C270_TRANSPORT.json",
    "source digest and bytes: C270_REPORT.md",
    "source digest and bytes: C269_ARTIFACT_MANIFEST.json",
    "source digest and bytes: C270_ARTIFACT_MANIFEST.json",
    "source digest and bytes: C127_GRAPH.json",
    "source digest and bytes: MIRROR_COMPREHENSIVE.md",
    "C275 predecessor digest",
    "C275 certificate binding: C275_REPORT.md",
    "C275 certificate binding: C275_CHECKPOINT.md",
    "C275 certificate binding: C275_RESULTS.json",
    "C275 certificate binding: C275_SUPPLEMENT.md",
    "prior artifact binding: C269_RECTANGLE.json",
    "prior artifact binding: C269_GRAPH_INCIDENCE.json",
    "prior artifact binding: C269_PATHS.json",
    "prior artifact binding: C270_MAPS.json",
    "prior artifact binding: C270_TRANSPORT.json",
    "six source nodes and17K fixed",
    "T acts on all three retained centers",
    "source598+2=600 on both sides",
    "standing graph size",
    "selected stored duration: N04_598cum",
    "selected stored duration: N04_17",
    "selected stored duration: N04_17opposite",
    "interior source indices and regular identities",
    "closing source not a stored C127 node",
    "retained closing route connects L to N",
    "S phase-1/4: T and both routes commute",
    "S phase1/4: T and both routes commute",
    "S preserves physical halfyear magnitude",
    "I phase-1/4: T and both routes commute",
    "I phase1/4: T and both routes commute",
    "I preserves physical halfyear magnitude",
    "L phase-1/4: T and both routes commute",
    "L phase1/4: T and both routes commute",
    "L preserves physical halfyear magnitude",
    "cross-index image-alignment residual, phase-1/4",
    "global-pair and local-pair residuals agree, phase-1/4",
    "cross-index image-alignment residual, phase0",
    "global-pair and local-pair residuals agree, phase0",
    "cross-index image-alignment residual, phase1/4",
    "global-pair and local-pair residuals agree, phase1/4",
    "source transport rank two with two free parameters",
    "alignment adds exactly one independent constraint",
    "source transport null direction0",
    "source transport null direction1",
    "increment varies while source transport is preserved",
    "aligned common-translation freedom survives",
    "aligned freedom leaves increment fixed",
    "alignment is precisely delta-598",
    "two image midpoints differ by one for every f,h",
    "global598 pair condition and fixedJ1 condition are equivalent",
    "aligned three-point form with p=f-5285",
    "aligned600-pair midpoint is fixed at1",
    "alignment leaves its common image unfixed",
    "general regular600-pair sum is600-delta",
    "reference baseline is original C270 maps",
    "reference satisfies source transport and alignment",
    "reference local image centers and increment",
    "reference intermediate binding agrees with prior transport",
    "MT join unreduced constant and old598 reduction"
  ],
  "frozen_inputs": 16,
  "source_nodes": 6,
  "physical_source_pairs": 6,
  "case_ranks": [
    2,
    3
  ],
  "case_freedoms": [
    2,
    1
  ],
  "delta_fixed_by_source_transport_alone": false,
  "delta_uniquely598_given_X": true,
  "absolute_landing_fixed_by_X": false,
  "free_parameter_chosen": false,
  "new_source_event_or_parameter_scan": false,
  "historical_campaigns_rerun": 0,
  "canonical_or_graph_edits": false,
  "new_independent_review": false,
  "next_step_executed": false
}