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

Physics · 1efd24fe

Assessment

Why?

Strongest counted support: The primary article reports the predicted attractor properties and their experimental demonstration in an elastodynamic hyperbolic metamaterial. weight 1.800000 evidence

Suppressed as dependent: The quoted passage directly reports elastodynamic experimental demonstration in a hyperbolic metamaterial, phase transitions, and defect robustness.

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 Nature Physics study reports robust, chiral, broadband, scale-invariant wave attractors in odd-shaped hyperbolic-media cavities and demonstrates them...” · 2 claims · 29 September 2026

Evidence for

• The primary article reports the predicted attractor properties and their experimental demonstration in an elastodynamic hyperbolic metamaterial.

  From Hyperbolic wave attractors Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The abstract directly states the elastodynamic-wave experiment and observed features.

• The quoted passage directly reports elastodynamic experimental demonstration in a hyperbolic metamaterial, phase transitions, and defect robustness.

  From Hyperbolic wave attractors Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The excerpt states the experimental platform and observed phenomena.

Evidence against

None.

Qualifications

None.

Suppressed as dependent

Evidence	Group	Kept instead
4c84ef01		b66bbddf

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	b66bbddf, 19d2b7b2

Summary

Contribution history

seq	event	detail
21772	APPENDED
21773	ACCEPT	AUTOMATIC_AFTER_VALIDATION
21780	LINK_EVIDENCE	by 1efd24fe (accepted)
24569	TASK_RESULT	by 1efd24fe (accepted)

Score trace

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  "links": [
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      "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": "8e7096b0-b1e5-86ee-9bcd-25a1b66bbddf",
      "link": "9d8aeb0a-1dd5-8542-8c3e-c58719d2b7b2",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "17830595-6c35-8348-87b2-13dd4c84ef01",
      "direction": "SUPPORT",
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      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
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      "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": 25622,
  "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": {
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      "ok": false
    },
    "independence_reviewed": {
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      "ok": false
    },
    "primary_source_reviewed": {
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      ],
      "ok": true
    }
  },
  "contradict_groups": 0,
  "rounding_boundary": false,
  "posterior_log_odds": "1.800000",
  "not_applicable_reason": null,
  "independence_unreviewed": 2
}