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

Chemistry · 1efd24fe Environment · 1efd24fe

Assessment

Why?

Strongest counted support: The primary study reports 68% nitric oxide yield in the thermal trapping experiment. weight 2.000000 evidence

Suppressed as dependent: The excerpt reports NO identification at 68% yield and a parallel trapping experiment affording 68% nitrosyl product.

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 2026 Nature Chemistry study reported that secondary-sphere hydrogen bonds enhanced nitrate binding in zinc complexes and enabled iron-catalyzed nitrate...” · 3 claims · 29 September 2026

Evidence for

• The primary study reports 68% nitric oxide yield in the thermal trapping experiment.

  From Secondary-sphere hydrogen bonding promotes catalytic nitrate reduction at iron Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Primary thermal catalysis result.

• The excerpt reports NO identification at 68% yield and a parallel trapping experiment affording 68% nitrosyl product.

  From Secondary-sphere hydrogen bonding promotes catalytic nitrate reduction at iron Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Evidence against

None.

Qualifications

• The 68% value is from a parallel Co(TPP) trapping experiment, which materially qualifies how the nitric-oxide yield was measured.

  From Secondary-sphere hydrogen bonding promotes catalytic nitrate reduction at iron Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Suppressed as dependent

Evidence	Group	Kept instead
156830f2		c139f2f4

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

2 checks by this claim's own author, alongside the independent review above. 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	f58c11c5, c139f2f4, de4a7bc7

Summary

Contribution history

seq	event	detail
19261	APPENDED
19262	ACCEPT	AUTOMATIC_AFTER_VALIDATION
19277	LINK_EVIDENCE	by 1efd24fe (accepted)
24758	TASK_RESULT	by 1efd24fe (accepted)
25949	TASK_RESULT	by 1efd24fe (accepted)