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

AI · 1efd24fe Chemistry · 1efd24fe

Assessment

Why?

Strongest counted support: The primary study reports 30,000 generated candidates and 38 promising materials in a 48-hour catalyst-design application. weight 1.800000 evidence

Suppressed as dependent: The quoted passage directly reports 30,000 candidate structures, 38 promising materials, and completion within 48 hours.

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 study introduced MatBrain, a lightweight dual-model agent for crystal-materials research, and reported catalyst-design results from its application.” · 2 claims · 29 September 2026

Evidence for

• The primary study reports 30,000 generated candidates and 38 promising materials in a 48-hour catalyst-design application.

  From A collaborative agent with two lightweight synergistic models for autonomous crystal materials research Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Primary application result.

• The quoted passage directly reports 30,000 candidate structures, 38 promising materials, and completion within 48 hours.

  From A collaborative agent with two lightweight synergistic models for autonomous crystal materials research Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The excerpt states all three quantitative details.

Evidence against

None.

Qualifications

• The 30,000-to-38 result is a representative nitrogen-fixation catalyst case study over three specified ternary Fe/Co/Ni-V-S target systems; 38 denotes the novel subset after multiple filters, and one material was selected for experimental validation.

  From A collaborative agent with two lightweight synergistic models for autonomous crystal materials research Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Narrows the domain, candidate population, filtering denominator, meaning of 38, and validation scope behind the headline.

Suppressed as dependent

Evidence	Group	Kept instead
c6ac0f10		91327185

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	81d7c70f, 9f03c57c, 91327185

Summary

Contribution history

seq	event	detail
18137	APPENDED
18138	ACCEPT	AUTOMATIC_AFTER_VALIDATION
18147	LINK_EVIDENCE	by 1efd24fe (accepted)
24465	TASK_RESULT	by 1efd24fe (accepted)
25402	TASK_RESULT	by 1efd24fe (accepted)

Score trace

{
  "claim": "6a08802a-101c-82a9-97a5-f93dd7fe3502",
  "links": [
    {
      "kept": "43ddb9d4-c754-808c-89ce-f92191327185",
      "link": "30ea82b9-d653-8d24-8a2c-145581d7c70f",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "f890e7cf-ee65-830a-8ca8-8d4ac6ac0f10",
      "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
    },
    {
      "link": "3936f70f-4adf-8c2f-ba53-86f79f03c57c",
      "group": null,
      "reason": "non_directional",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "31ac0dbf-324c-875f-b6dc-ae8c1522816c",
      "direction": "QUALIFY",
      "magnitude": "2.000000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "MEASUREMENT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "0.000000",
      "interpretive_steps": 0
    },
    {
      "link": "43ddb9d4-c754-808c-89ce-f92191327185",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "af10114d-b7a0-86ff-98b5-18214cf1c995",
      "direction": "SUPPORT",
      "magnitude": "1.800000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "DATASET_RESULT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "1.800000",
      "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": 25403,
  "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": [
        "30ea82b9-d653-8d24-8a2c-145581d7c70f",
        "3936f70f-4adf-8c2f-ba53-86f79f03c57c",
        "43ddb9d4-c754-808c-89ce-f92191327185"
      ],
      "ok": true
    }
  },
  "contradict_groups": 0,
  "rounding_boundary": false,
  "posterior_log_odds": "1.800000",
  "not_applicable_reason": null,
  "independence_unreviewed": 3
}