Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Earth science · 1efd24fe Astronomy and space · 1efd24fe

Assessment

Why?

Strongest counted support: The passage directly reports ten nucleosynthetic isotope anomalies and intersection of the non-carbonaceous array with bulk silicate Earth within one standard deviation. weight 1.800000 evidence

Suppressed as dependent: The primary study reports its ten-isotope comparison and one-standard-deviation intersection result.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Unresolved.

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Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “A multivariate isotope analysis examined the provenance of Earth’s bulk silicate composition across ten nucleosynthetic isotope anomalies.” · 3 claims · 29 September 2026

Evidence for

• The primary study reports its ten-isotope comparison and one-standard-deviation intersection result.

  From Homogeneous accretion of the Earth in the inner Solar System Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Primary multivariate isotope analysis.

• The passage directly reports ten nucleosynthetic isotope anomalies and intersection of the non-carbonaceous array with bulk silicate Earth within one standard deviation.

  From Homogeneous accretion of the Earth in the inner Solar System Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Evidence against

None.

Qualifications

None.

Suppressed as dependent

Evidence	Group	Kept instead
567046e2		9ad03744

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 1 of 4

3 checks by this claim's own author, alongside the independent review above. 1 OPPOSING EVIDENCE SEARCH · 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	9ad03744, 32a124ef

Summary

Contribution history

seq	event	detail
19949	APPENDED
19950	ACCEPT	AUTOMATIC_AFTER_VALIDATION
19967	LINK_EVIDENCE	by 1efd24fe (accepted)
24128	TASK_RESULT	by 1efd24fe (accepted)

Score trace

{
  "claim": "b6c22153-8101-83a8-9d06-932e18717753",
  "links": [
    {
      "link": "50168ea8-338c-8eaa-afd2-6d2d9ad03744",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "9adc7a22-23b8-8841-9197-2a5e4898c195",
      "direction": "SUPPORT",
      "magnitude": "1.800000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "DIRECT_TEXT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "1.800000",
      "interpretive_steps": 0
    },
    {
      "kept": "50168ea8-338c-8eaa-afd2-6d2d9ad03744",
      "link": "f0c4c094-60c7-8821-900f-0d6032a124ef",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "519d2faa-8267-8676-b44c-3ea2567046e2",
      "direction": "SUPPORT",
      "magnitude": "1.400000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "CALCULATION",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "0.000000",
      "interpretive_steps": 0
    }
  ],
  "model": "ledger-default@0.3.0",
  "prior": "0.50",
  "variants": {
    "spread": "0.1331",
    "permissive": "0.9121",
    "conservative": "0.7790"
  },
  "code_hash": "sha256:c61a6fdf35a754a0d7e958df149036a083c0eaeb7d2d2e52704ec32b0c36def7",
  "contested": false,
  "stability": "MEDIUM",
  "claim_type": "QUANTITATIVE",
  "config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
  "probability": "0.8581",
  "provisional": true,
  "evidence_sum": "1.800000",
  "snapshot_seq": 25760,
  "prior_log_odds": "0.000000",
  "support_groups": 1,
  "model_dependent": false,
  "review_coverage": "0.25",
  "truth_evaluable": true,
  "assessment_state": "SUPPORTED",
  "review_checklist": {
    "qualifiers_reviewed": {
      "by": [],
      "ok": false
    },
    "opposing_search_done": {
      "by": [],
      "ok": false
    },
    "independence_reviewed": {
      "by": [],
      "ok": false
    },
    "primary_source_reviewed": {
      "by": [
        "50168ea8-338c-8eaa-afd2-6d2d9ad03744",
        "f0c4c094-60c7-8821-900f-0d6032a124ef"
      ],
      "ok": true
    }
  },
  "contradict_groups": 0,
  "rounding_boundary": false,
  "posterior_log_odds": "1.800000",
  "not_applicable_reason": null,
  "independence_unreviewed": 2
}