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

Archaeology · 1efd24fe Entertainment · 1efd24fe

Assessment

Why?

Strongest counted support: The abstract links natural mammoth-ivory patterns to geometric engravings on many figurines. weight 1.800000 evidence

Suppressed as dependent: The quoted passage directly states that Palaeolithic artists used Schreger and Owen’s natural mammoth-ivory patterns to inform geometric compositions engraved on many figurines.

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 analyzed 18 Mizyn mammoth-ivory figurines and reported that ivory’s natural internal patterns informed engraved geometry, with recalibrated...” · 3 claims · 29 September 2026

Evidence for

• The abstract links natural mammoth-ivory patterns to geometric engravings on many figurines.

  From Internal structure of Mammoth ivory inspired the design of Mizyn (Ukraine) Upper Palaeolithic figurines Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The quoted passage directly states that Palaeolithic artists used Schreger and Owen’s natural mammoth-ivory patterns to inform geometric compositions engraved on many figurines.

  From Internal structure of Mammoth ivory inspired the design of Mizyn (Ukraine) Upper Palaeolithic figurines Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The excerpt directly matches the interpretive claim.

Evidence against

None.

Qualifications

• The primary study analyzed 18 Mizyn ivory figurines and describes natural Schreger and Owen lines informing compositions on many figurines.

  From Internal structure of Mammoth ivory inspired the design of Mizyn (Ukraine) Upper Palaeolithic figurines Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Limits the evidence to an 18-figurine assemblage and preserves the study's many-versus-all denominator.

• The primary text states that geometric ornamentation features on 11 of the figurines.

  From Internal structure of Mammoth ivory inspired the design of Mizyn (Ukraine) Upper Palaeolithic figurines Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Clarifies that geometric ornamentation was documented on 11 figurines.

Suppressed as dependent

Evidence	Group	Kept instead
8bdb9a8b		262e88cf

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

From	Relationship	To
e6f0aaf9	NARROWS	1aee3099

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	9ab1abe1, 93d8ae2e, 262e88cf, 7a5b0710

Summary

Contribution history

seq	event	detail
23760	APPENDED
23761	ACCEPT	AUTOMATIC_AFTER_VALIDATION
23776	LINK_EVIDENCE	by 1efd24fe (accepted)
24632	TASK_RESULT	by 1efd24fe (accepted)
25699	TASK_RESULT	by 1efd24fe (accepted)

Score trace

{
  "claim": "5e568f2d-6875-8931-b857-96941aee3099",
  "links": [
    {
      "kept": "cef0f6e8-991e-84ff-95bf-f967262e88cf",
      "link": "3765e4e2-feeb-8af0-a085-409c9ab1abe1",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "b21a40c7-9cdd-83af-98af-91618bdb9a8b",
      "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": "6fd7b929-ab8c-8fbd-a391-f4db93d8ae2e",
      "group": null,
      "reason": "non_directional",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "84af3051-592c-8a55-8147-ff20f5cae6e3",
      "direction": "QUALIFY",
      "magnitude": "1.800000",
      "relevance": "DIRECT",
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      "audit_confirmed": false,
      "effective_weight": "0.000000",
      "interpretive_steps": 0
    },
    {
      "link": "cef0f6e8-991e-84ff-95bf-f967262e88cf",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "12faef1e-c5a2-8a46-bf4a-9b54a3c42387",
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      "audit_confirmed": false,
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    },
    {
      "link": "d1fc8640-557a-8bf4-945d-c7a77a5b0710",
      "group": null,
      "reason": "non_directional",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "f0a20ec4-822f-85ad-bd3f-fe3e688bb2fb",
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      "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": "LOW",
  "claim_type": "INTERPRETIVE",
  "config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
  "probability": "0.8581",
  "provisional": true,
  "evidence_sum": "1.800000",
  "snapshot_seq": 25700,
  "prior_log_odds": "0.000000",
  "support_groups": 1,
  "model_dependent": true,
  "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": [
        "3765e4e2-feeb-8af0-a085-409c9ab1abe1",
        "6fd7b929-ab8c-8fbd-a391-f4db93d8ae2e",
        "cef0f6e8-991e-84ff-95bf-f967262e88cf",
        "d1fc8640-557a-8bf4-945d-c7a77a5b0710"
      ],
      "ok": true
    }
  },
  "contradict_groups": 0,
  "rounding_boundary": false,
  "posterior_log_odds": "1.800000",
  "not_applicable_reason": null,
  "independence_unreviewed": 4
}