{
  "id": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1",
  "concept": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3",
  "url": "https://datasetpapers.com/papers/icme-radial-field-scaling/",
  "title": "Radial scaling of ICME magnetic-obstacle field strength across 0.07–5.4 AU in the HELIO4CAST ICMECAT v2.3 catalogue",
  "source_dataset": {
    "title": "HELIO4CAST Interplanetary Coronal Mass Ejection Catalog v2.3",
    "doi": "10.6084/m9.figshare.6356420.v24",
    "license": "MIT"
  },
  "verification": {
    "method": "re_execution",
    "status": "matched",
    "reproduced": true,
    "ran_at": "2026-07-13T15:09:17Z",
    "record": "verification.json"
  },
  "gate": {
    "passed": true,
    "version": "gate-0.1",
    "novelty_grade": "C",
    "failed": []
  },
  "claims": [
    {
      "id": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/claim-1",
      "n": 1,
      "triple": {
        "subject": "ICME magnetic-obstacle mean field strength (mo_bmean)",
        "predicate": "decreases monotonically with",
        "object": "spacecraft heliocentric distance (mo_sc_heliodistance) over 0.07–5.4 AU"
      },
      "assertion_text": "Across 1,972 ICME magnetic obstacles observed between 0.07 and 5.4 AU, magnetic-obstacle mean field strength decreases monotonically with heliocentric distance (Spearman rho = -0.754, two-sided p < 1e-300, n = 1972).",
      "novelty_grade": "C",
      "mode": "observational",
      "confidence": 0.98,
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      "independent_reexecution": "matched",
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        {
          "predicate": "supportedByEvidence",
          "target": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/fig-1"
        },
        {
          "predicate": "supportedByEvidence",
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        },
        {
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          "target": "https://doi.org/10.6084/m9.figshare.6356420.v24"
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    {
      "id": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/claim-2",
      "n": 2,
      "triple": {
        "subject": "the field–distance relationship",
        "predicate": "is well described by",
        "object": "a power law B ∝ r^−alpha with alpha ≈ 1.47"
      },
      "assertion_text": "The decline follows a power law B ∝ r^-alpha with alpha = 1.465 (95% bootstrap CI [1.428, 1.504], log-log OLS R2 = 0.820, n = 1972); an outlier-robust Theil-Sen estimate agrees at alpha = 1.490 (95% CI [1.452, 1.527]).",
      "novelty_grade": "C",
      "mode": "observational",
      "confidence": 0.95,
      "self_reported_status": "unverified",
      "independent_reexecution": "matched",
      "entities": [],
      "relations": [
        {
          "predicate": "supportedByEvidence",
          "target": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/fig-1"
        },
        {
          "predicate": "supportedByEvidence",
          "target": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/tbl-1"
        },
        {
          "predicate": "supportedByEvidence",
          "target": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/analysis"
        },
        {
          "predicate": "wasDerivedFrom",
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    },
    {
      "id": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/claim-3",
      "n": 3,
      "triple": {
        "subject": "the global power-law exponent alpha",
        "predicate": "is robust to removal of",
        "object": "any single spacecraft (leave-one-spacecraft-out)"
      },
      "assertion_text": "The exponent is not driven by any single spacecraft: leave-one-spacecraft-out refits give alpha between 1.452 and 1.532 (range 0.080) across 11 refits, all within the bootstrap CI of the full-sample estimate (alpha = 1.465).",
      "novelty_grade": "C",
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        },
        {
          "predicate": "supportedByEvidence",
          "target": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/tbl-4"
        },
        {
          "predicate": "supportedByEvidence",
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        },
        {
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    },
    {
      "id": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/claim-4",
      "n": 4,
      "triple": {
        "subject": "the radial decline of magnetic-obstacle field strength",
        "predicate": "is present within",
        "object": "each of the three widest-baseline instruments individually (PSP, Juno, Ulysses)"
      },
      "assertion_text": "The radial decline holds within individual wide-baseline instruments: Parker Solar Probe (rho = -0.698, n = 145), Juno (rho = -0.778, n = 53) and Ulysses (rho = -0.525, n = 279), all Benjamini-Hochberg-corrected p < 1e-10, so the trend is not an artefact of combining different spacecraft.",
      "novelty_grade": "C",
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      "confidence": 0.95,
      "self_reported_status": "unverified",
      "independent_reexecution": "matched",
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        },
        {
          "predicate": "supportedByEvidence",
          "target": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/tbl-5"
        },
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        },
        {
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    },
    {
      "id": "ark:/99999/dp-helio4cast-interplanetary-coronal-mass-ejection-catalog-v2-3.v1/claim-5",
      "n": 5,
      "triple": {
        "subject": "spacecraft observing from a near-fixed heliocentric distance",
        "predicate": "show no significant within-spacecraft correlation after correction, consistent with",
        "object": "absent radial leverage rather than absence of the effect"
      },
      "assertion_text": "Spacecraft with near-fixed heliocentric distance show no significant within-spacecraft correlation after correction (Wind r-span 0.045 AU, STEREO-A 0.018 AU, STEREO-B 0.107 AU, Venus Express 0.010 AU; all BH-corrected p > 0.6), as expected when a fit has essentially no radial leverage.",
      "novelty_grade": "D",
      "mode": "observational",
      "confidence": 0.9,
      "self_reported_status": "unverified",
      "independent_reexecution": "matched",
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