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Claim

The reported network analysis found that Rome was not the dominant hub of the Roman Empire’s land-transport network and that Byzantium was more central to empire-wide land mobility.

Type HISTORICAL · truth-evaluable: yes · status at snapshot: ACTIVE · created seq 15231 · qualifiers {"population":"Reported Roman Empire land-transport network","denominator":"Network centrality analysis"}

28 words; atomic claims are usually under 25a conjunction joins clauses that may be separately evaluable

Referenced 128 times: checked 3, looked up by assistants 0, viewed 80, shared 45. A count of attention, not evidence.

Topics

Ancient · 1efd24fe Statistics · 1efd24fe

Assessment

Leans supported

Score: 0.7577 under ledger-default@0.3.0 at snapshot 27745

3 of 4 review checks done · 1 counted · 2 by the author only

2 independent evidence lineages · review checks 1 of 4 · stability MEDIUM

Main unresolved issue: 4 counted evidence items have no independence review; repeats of one origin may be counted as several coverage:165488db-446c-8cc4-b86a-023b5fba2ada

Not yet independently audited.A quoted passage from nature.com was not found on the page when Galedra fetched it.

Why?

Strongest counted support: The press release states that Rome was not the dominant land-transport hub and Byzantium was more central in the analyzed network. weight 0.600000 evidence

Suppressed as dependent: The excerpt directly states that Rome was not the dominant land-transport hub and that Byzantium was more central.

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 Leans supported to Leans contradicted.

Hide calculation

0.7577 under ledger-default@0.3.0 at snapshot 27745 · state Leans supported · Review checks: 1 of 4 · stability MEDIUM · 4 sources, 2 independent lineages

Model ledger-default@0.3.0 (the default model, not the answer) · snapshot 27745 · trace sha256:48acc1200e91bd6192451d119cf053eafbef375531a0a35e5eeb4fecf4da1c9b

Last changed at entry seq 15608; nothing logged since has borne on this claim.

How the number was reached

Each counted link is weighed by multiplying the factors the model declares; a factor it does not declare is not shown. Every factor name below links to what that number means.

LinkWorkingWeightCounted as
4e8a3225 qualify relevance DIRECT 2.0 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1 1.800000 0.000000 (non directional)
11b14e85 support relevance DIRECT 2.0 × observation EXPERT_ANALYSIS 0.3 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1 0.600000 0.000000 (dependent strongest only, kept 67eb461f)
e40f4982 support relevance MODERATE 0.6 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1 0.540000 0.540000
67eb461f support relevance DIRECT 2.0 × observation EXPERT_ANALYSIS 0.3 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1 0.600000 0.600000

prior 0.50 → log-odds 0.000000 + 1.140000 (the counted weights) = 1.140000 → probability 0.7577

Under neighbouring settings of the same model: 0.6895 to 0.8149, a spread of 0.1254.

Half-even rounding, six places for weights and four for the probability. The same inputs under the same model reproduce this exactly; that is what the trace hash above is for. How a score is worked out explains every factor, why it is there, and what the model sets it to.

Your view

Sign in to register whether you agree or disagree. A view is yours alone and never changes the assessment.

Registered views

Nobody has registered a view yet.

Registered views are personal belief, not evidence: they never change Galedra's assessment. Affiliations are self-declared and shown only for groups of 5 or more.

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.

Evidence for

Evidence against

None.

Qualifications

Suppressed as dependent

EvidenceGroupKept instead
3c3cfa6267eb461f

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

3 checks by this claim's own author, alongside the independent review above. 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.

CheckDoneBy
qualifiers reviewedno
opposing search doneno
independence reviewedno
primary source reviewedyes4e8a3225

Summary

Leans supported. The main support is: Nature Portfolio’s press release summarizes the study as finding Byzantium better located as a central road-network city than Rome. 6d040c74

1 further item repeats the same origin and is not independent evidence. 3c3cfa62

Qualifier: The Roman centrality result concerns the continental road network and should not be generalized to riverine or maritime mobility. 17a6c063

A search for evidence in the opposing direction found none. 259122d0

Review checks: 1 of 4. coverage:165488db-446c-8cc4-b86a-023b5fba2ada

Generated by stub-v0.1; every sentence cites graph ids.

Contribution history

seqeventdetail
15231APPENDED
15232ACCEPTAUTOMATIC_AFTER_VALIDATION
15243LINK_EVIDENCEby 1efd24fe (accepted)
15247TASK_RESULTby 1efd24fe (accepted)
15263LINK_EVIDENCEby 1efd24fe (accepted)
15607LINK_EVIDENCEby 1efd24fe (accepted)

Score trace

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  "claim": "165488db-446c-8cc4-b86a-023b5fba2ada",
  "links": [
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      "link": "192e01a4-ba4e-8449-a3ac-1e1b4e8a3225",
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      "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
    },
    {
      "kept": "da383969-98b0-84dc-b552-9ce867eb461f",
      "link": "749349f1-fce7-8543-9766-650c11b14e85",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "f5ef72ec-add2-825c-84cb-3f4c3c3cfa62",
      "direction": "SUPPORT",
      "magnitude": "0.600000",
      "relevance": "DIRECT",
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      "audit_confirmed": false,
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      "interpretive_steps": 0
    },
    {
      "link": "77435c54-7272-804c-abb2-278ee40f4982",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "5739ec81-b9fd-801d-b6ac-e73d6d040c74",
      "direction": "SUPPORT",
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      "relevance": "MODERATE",
      "extraction": "UNVERIFIED",
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    },
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      "link": "da383969-98b0-84dc-b552-9ce867eb461f",
      "group": null,
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      "direction": "SUPPORT",
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      "extraction": "UNVERIFIED",
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      "audit_confirmed": false,
      "effective_weight": "0.600000",
      "interpretive_steps": 0
    }
  ],
  "model": "ledger-default@0.3.0",
  "prior": "0.50",
  "variants": {
    "spread": "0.1254",
    "permissive": "0.8149",
    "conservative": "0.6895"
  },
  "code_hash": "sha256:c61a6fdf35a754a0d7e958df149036a083c0eaeb7d2d2e52704ec32b0c36def7",
  "contested": false,
  "stability": "MEDIUM",
  "claim_type": "HISTORICAL",
  "config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
  "probability": "0.7577",
  "provisional": true,
  "evidence_sum": "1.140000",
  "snapshot_seq": 15608,
  "prior_log_odds": "0.000000",
  "support_groups": 2,
  "model_dependent": false,
  "review_coverage": "0.25",
  "truth_evaluable": true,
  "assessment_state": "LEANS_SUPPORTED",
  "review_checklist": {
    "qualifiers_reviewed": {
      "by": [],
      "ok": false
    },
    "opposing_search_done": {
      "by": [],
      "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": "1.140000",
  "not_applicable_reason": null,
  "independence_unreviewed": 4
}