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 Wildlife · 1efd24fe

Assessment

Why?

Strongest counted support: Secondary coverage reports strongest results at 100–300 metres and cautions that wider Maya Forest generalization requires larger study areas. weight 2.000000 evidence

Suppressed as dependent: The excerpt directly reports strongest results at 100–300 metres and says a larger study is needed to test extension across the wider Maya Forest.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed, primary source 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 Scientific Reports study found that ancient Maya wetland fields, settlements, and upland walls in northern Belize remain associated with distinct...” · 2 claims · 29 September 2026

Evidence for

• Secondary coverage reports strongest results at 100–300 metres and cautions that wider Maya Forest generalization requires larger study areas.

  From Old-growth tropical forests bear lasting legacy of ancient Maya civilization Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The excerpt directly reports strongest results at 100–300 metres and says a larger study is needed to test extension across the wider Maya Forest.

  From Old-growth tropical forests bear lasting legacy of ancient Maya civilization Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Evidence against

None.

Qualifications

None.

Suppressed as dependent

Evidence	Group	Kept instead
8b02f399		c8f10d8b

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: 0 of 4

3 checks by this claim's own author. No independent review yet. 1 OPPOSING EVIDENCE SEARCH · 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	no

Summary

Contribution history

seq	event	detail
21562	APPENDED
21563	ACCEPT	AUTOMATIC_AFTER_VALIDATION
21576	LINK_EVIDENCE	by 1efd24fe (accepted)
24437	TASK_RESULT	by 1efd24fe (accepted)

Score trace

{
  "claim": "160cc39d-1918-85d5-b4bd-84c3a883f23e",
  "links": [
    {
      "link": "6fae5c8d-4319-8ebd-be8c-9502c8f10d8b",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "0273baa4-5880-8bbf-b4cb-6fc82a68285e",
      "direction": "SUPPORT",
      "magnitude": "2.000000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "MEASUREMENT",
      "source_type": "SECONDARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "2.000000",
      "interpretive_steps": 0
    },
    {
      "kept": "6fae5c8d-4319-8ebd-be8c-9502c8f10d8b",
      "link": "bde1a616-0ead-8427-9ce9-628c55a19249",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "a5a31c4b-db6b-8432-8270-079c8b02f399",
      "direction": "SUPPORT",
      "magnitude": "1.800000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "DIRECT_TEXT",
      "source_type": "SECONDARY_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": 25976,
  "prior_log_odds": "0.000000",
  "support_groups": 1,
  "model_dependent": false,
  "review_coverage": "0.00",
  "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": [],
      "ok": false
    }
  },
  "contradict_groups": 0,
  "rounding_boundary": false,
  "posterior_log_odds": "2.000000",
  "not_applicable_reason": null,
  "independence_unreviewed": 2
}