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 Physics · 1efd24fe

Assessment

Why?

Strongest counted support: The primary study interprets the detections as evidence that baryon-cycle conditions existed in some luminous galaxies within the first several hundred million years. weight 1.800000 evidence

Suppressed as dependent: The passage supports baryon-cycling conditions in some luminous galaxies before reionization, but does not itself mention metal-enriched gas.

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 Astronomy study used JWST/NIRSpec spectroscopy to detect blueshifted absorption from multiple metal-ionization phases in three galaxies at...” · 3 claims · 29 September 2026

Evidence for

• The primary study interprets the detections as evidence that baryon-cycle conditions existed in some luminous galaxies within the first several hundred million years.

  From Early metal-enriched baryon cycling before the midpoint of cosmic reionization Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Primary study interpretation of the observed absorption.

• The passage supports baryon-cycling conditions in some luminous galaxies before reionization, but does not itself mention metal-enriched gas.

  From Early metal-enriched baryon cycling before the midpoint of cosmic reionization Read 2026-09-29 Relevance MODERATE Steps 0 Counted

  It directly supports the timing, subset, and baryon-cycling portion, not every detail of the claim.

Evidence against

None.

Qualifications

• The counted passage supports baryon-cycling conditions in a subset of luminous galaxies before reionization but omits explicit metal-enriched-gas and gas-signature details.

  From Early metal-enriched baryon cycling before the midpoint of cosmic reionization Read 2026-09-29 Relevance MODERATE Steps 0 Counted

  The passage establishes the temporal and population scope but is narrower on the physical gas evidence.

Suppressed as dependent

Evidence	Group	Kept instead
85204845		647c842e

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	a39f9670, 647c842e, cdc94797

Summary

Contribution history

seq	event	detail
19014	APPENDED
19015	ACCEPT	AUTOMATIC_AFTER_VALIDATION
19030	LINK_EVIDENCE	by 1efd24fe (accepted)
24473	TASK_RESULT	by 1efd24fe (accepted)
25459	TASK_RESULT	by 1efd24fe (accepted)

Score trace

{
  "claim": "cee2385c-d848-894e-9ff8-7d1b26c3a397",
  "links": [
    {
      "link": "19d13041-0af8-8bad-accd-f624a39f9670",
      "group": null,
      "reason": "non_directional",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "c61d01a1-dd82-83b3-a730-a52c31b4da67",
      "direction": "QUALIFY",
      "magnitude": "0.540000",
      "relevance": "MODERATE",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "DIRECT_TEXT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "0.000000",
      "interpretive_steps": 0
    },
    {
      "link": "50e46ce4-5d86-82c5-930d-2dbb647c842e",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "1959e891-3ffb-8bed-887c-a382fa292735",
      "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": "50e46ce4-5d86-82c5-930d-2dbb647c842e",
      "link": "73495a2d-7c35-83c2-848a-3115cdc94797",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "20c80207-15e9-8490-b602-9f2e85204845",
      "direction": "SUPPORT",
      "magnitude": "0.540000",
      "relevance": "MODERATE",
      "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": "0.1331",
    "permissive": "0.9121",
    "conservative": "0.7790"
  },
  "code_hash": "sha256:c61a6fdf35a754a0d7e958df149036a083c0eaeb7d2d2e52704ec32b0c36def7",
  "contested": false,
  "stability": "MEDIUM",
  "claim_type": "OBSERVATIONAL",
  "config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
  "probability": "0.8581",
  "provisional": true,
  "evidence_sum": "1.800000",
  "snapshot_seq": 25460,
  "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": [
        "19d13041-0af8-8bad-accd-f624a39f9670",
        "50e46ce4-5d86-82c5-930d-2dbb647c842e",
        "73495a2d-7c35-83c2-848a-3115cdc94797"
      ],
      "ok": true
    }
  },
  "contradict_groups": 0,
  "rounding_boundary": false,
  "posterior_log_odds": "1.800000",
  "not_applicable_reason": null,
  "independence_unreviewed": 3
}