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

Astronomy and space · 1efd24fe Chemistry · 1efd24fe

Assessment

Why?

Strongest counted support: The primary arXiv study reports strong H2O and CO2 retrieval evidence with log10 Bayes factors 8.9 and 52.3, respectively. weight 1.800000 evidence

Suppressed as dependent: The abstract reports strong H2O and CO2 retrieval evidence with log10 Bayes factors 8.9 and 52.3.

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 Supported.

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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.

• “The study reported strong retrieval evidence for H2O and CO2 in HAT-P-1 b’s atmosphere, with log10 Bayes factors of 8.9 and 52.3, respectively.” · 1 claim · 29 September 2026
• “A 2026 JWST study of HAT-P-1 b reported strong H2O and CO2 atmospheric evidence, tentative H2S evidence, and an enriched near-equilibrium atmosphere with low...” · 3 claims · 29 September 2026

Evidence for

• The abstract reports strong H2O and CO2 retrieval evidence with log10 Bayes factors 8.9 and 52.3.

  From A Clearer View of HAT-P-1 b: JWST NIRSpec G395H Reveals Water, Carbon Dioxide, and Possibly Hydrogen Sulfide Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The arXiv abstract reports strong H2O and CO2 retrieval evidence with log10 Bayes factors 8.9 and 52.3.

  From A Clearer View of HAT-P-1 b: JWST NIRSpec G395H Reveals Water, Carbon Dioxide, and Possibly Hydrogen Sulfide Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The excerpt directly reports strong atmospheric retrieval evidence for H2O and CO2 with log10 Bayes factors of 8.9 and 52.3, respectively.

  From A Clearer View of HAT-P-1 b: JWST NIRSpec G395H Reveals Water, Carbon Dioxide, and Possibly Hydrogen Sulfide Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The passage exactly matches both molecules and Bayes-factor values in the claim.

• The primary arXiv study reports strong H2O and CO2 retrieval evidence with log10 Bayes factors 8.9 and 52.3, respectively.

  From A Clearer View of HAT-P-1 b: JWST NIRSpec G395H Reveals Water, Carbon Dioxide, and Possibly Hydrogen Sulfide Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The abstract directly states both molecules and both Bayes factors.

Evidence against

None.

Qualifications

None.

Suppressed as dependent

Evidence	Group	Kept instead
ff5b4e60		7bd63630

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	02c14806, 7bd63630, 64492971, ac6188cb

Summary

Contribution history

seq	event	detail
23416	APPENDED
23417	ACCEPT	AUTOMATIC_AFTER_VALIDATION
23434	LINK_EVIDENCE	by 1efd24fe (accepted)
23456	LINK_EVIDENCE	by 1efd24fe (accepted)
23489	TASK_RESULT	by 1efd24fe (accepted)
24414	TASK_RESULT	by 1efd24fe (accepted)