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

Energy · 1efd24fe Chemistry · 1efd24fe

Assessment

Why?

Strongest counted support: The primary study reports a certified 33.0% efficiency for a monolithic perovskite–silicon tandem cell. weight 2.000000 evidence

Suppressed as dependent: The excerpt directly reports monolithic perovskite–silicon tandem cells with certified 33.0% efficiency.

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 Sustainability study reported ambient-air, blade-coated perovskite photovoltaics with high efficiency and stability, plus a certified 33.0%...” · 2 claims · 29 September 2026

Evidence for

• The primary study reports a certified 33.0% efficiency for a monolithic perovskite–silicon tandem cell.

  From Scalable ambient fabrication of single-junction and perovskite–silicon tandem solar cells Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Primary tandem-cell result.

• The excerpt directly reports monolithic perovskite–silicon tandem cells with certified 33.0% efficiency.

  From Scalable ambient fabrication of single-junction and perovskite–silicon tandem solar cells Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Evidence against

None.

Qualifications

None.

Suppressed as dependent

Evidence	Group	Kept instead
93656d3f		dc6efa4e

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	dc6efa4e, e19867d1

Summary

Contribution history

seq	event	detail
18742	APPENDED
18743	ACCEPT	AUTOMATIC_AFTER_VALIDATION
18752	LINK_EVIDENCE	by 1efd24fe (accepted)
24726	TASK_RESULT	by 1efd24fe (accepted)

Score trace

{
  "claim": "9b15bd2f-aa8c-87a3-892f-5222ed13bd82",
  "links": [
    {
      "link": "0c532238-1faa-8f99-83c9-e978dc6efa4e",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "ffe81b8d-46ba-8777-8339-01f6a4e29533",
      "direction": "SUPPORT",
      "magnitude": "2.000000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "MEASUREMENT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "2.000000",
      "interpretive_steps": 0
    },
    {
      "kept": "0c532238-1faa-8f99-83c9-e978dc6efa4e",
      "link": "517ad5a2-725b-82c1-b23a-1fdee19867d1",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "cde81f00-c969-8a7c-97b5-3e1693656d3f",
      "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": "0.000000",
      "interpretive_steps": 0
    }
  ],
  "model": "ledger-default@0.3.0",
  "prior": "0.50",
  "variants": {
    "spread": "0.1287",
    "permissive": "0.9309",
    "conservative": "0.8022"
  },
  "code_hash": "sha256:c61a6fdf35a754a0d7e958df149036a083c0eaeb7d2d2e52704ec32b0c36def7",
  "contested": false,
  "stability": "MEDIUM",
  "claim_type": "QUANTITATIVE",
  "config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
  "probability": "0.8808",
  "provisional": true,
  "evidence_sum": "2.000000",
  "snapshot_seq": 25908,
  "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": [
        "0c532238-1faa-8f99-83c9-e978dc6efa4e",
        "517ad5a2-725b-82c1-b23a-1fdee19867d1"
      ],
      "ok": true
    }
  },
  "contradict_groups": 0,
  "rounding_boundary": false,
  "posterior_log_odds": "2.000000",
  "not_applicable_reason": null,
  "independence_unreviewed": 2
}