Claim

The study screened more than 60,000 Bianfu Cave bone fragments, selecting 76 for zooarchaeology by mass spectrometry and 17 for proteomic sequencing.

Type QUANTITATIVE · truth-evaluable: yes · status at snapshot: ACTIVE · created seq 20586

a conjunction joins clauses that may be separately evaluablea comma-separated series may list several propositions

Referenced 118 times: checked 2, looked up by assistants 0, viewed 76, shared 40. A count of attention, not evidence.

Topics

Archaeology · 1efd24fe Biology · 1efd24fe

Assessment

Supported

Score: 0.9781 under ledger-default@0.3.0 at snapshot 27745

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

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

Main unresolved issue: 6 counted evidence items have no independence review; repeats of one origin may be counted as several coverage:62bfdc4a-01cb-8b3d-b4c0-37b1feeddec0

Not yet independently audited.Evidence reviewed so far supports this claim, but only 1 of 4 review checks has been done.A quoted passage from nature.com was not found on the page when Galedra fetched it.

Why?

Strongest counted support: The primary study reports its screening and selection counts. weight 2.000000 evidence

Suppressed as dependent: The passage directly reports screening more than 60,000 Bianfu Cave fragments, selecting 76 for mass-spectrometry zooarchaeology and 17 for proteomic sequencing.

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 Supported.

Hide calculation

0.9781 under ledger-default@0.3.0 at snapshot 27745 · state Supported · Review checks: 1 of 4 · stability HIGH · 6 sources, 2 independent lineages

Model ledger-default@0.3.0 (the default model, not the answer) · snapshot 27745 · trace sha256:6ce057335ef3a3249d7b477da3873c211d524d46c4f79ebb68df97ae456c93bb

Last changed at entry seq 26036; 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.

Link	Working	Weight	Counted as
00595372 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)
396d0895 support	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	1.800000
0e841404 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)
56c040c6 support	relevance DIRECT 2.0 × observation MEASUREMENT 1.0 × 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	2.000000	2.000000
cdcc0280 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)
e28a1754 support	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 (dependent strongest only, kept 56c040c6)

prior 0.50 → log-odds 0.000000 + 3.800000 (the counted weights) = 3.800000 → probability 0.9781

Under neighbouring settings of the same model: 0.9346 to 0.9929, a spread of 0.0583.

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

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.

“The study screened more than 60,000 Bianfu Cave bone fragments, selecting 76 for zooarchaeology by mass spectrometry and 17 for proteomic sequencing.” · 1 claim · 29 September 2026
“A primary Nature study used morphology, ZooMS and proteomics to identify Denisovan remains at Bianfu Cave in southwest China.” · 3 claims · 29 September 2026

Evidence for

The primary study reports its screening and selection counts.

From Ancient proteins identify various Denisovan remains from Southwest China Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Primary screening description.
The primary study reports the screening and selection counts.

From Ancient proteins identify various Denisovan remains from Southwest China Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Additional direct passage for the newly created screening claim.
The passage directly reports screening more than 60,000 Bianfu Cave fragments, selecting 76 for mass-spectrometry zooarchaeology and 17 for proteomic sequencing.

From Ancient proteins identify various Denisovan remains from Southwest China Read 2026-09-29 Relevance DIRECT Steps 0 Counted

All counts, site, and analytical selections match the claim.

Evidence against

None.

Qualifications

The counts describe a staged selection funnel at Bianfu Cave in Southwest China, not three independent samples of all excavated fragments.

From Ancient proteins identify various Denisovan remains from Southwest China Read 2026-09-29 Relevance DIRECT Steps 0 Counted
The newly identified hominin fossils came from layers dated approximately 167–134 thousand years ago.

From Ancient proteins identify various Denisovan remains from Southwest China Read 2026-09-29 Relevance DIRECT Steps 0 Counted
The 76 ZooMS count combines potential-hominin candidates and randomly selected layer-preservation checks before proteomic extraction.

From Ancient proteins identify various Denisovan remains from Southwest China Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Suppressed as dependent

Evidence	Group	Kept instead
a5ede2b1		56c040c6

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	00595372, 396d0895, 0e841404, 56c040c6, cdcc0280, e28a1754

Summary

Supported. The main support is: The primary study reports the screening and selection counts. 550fa552

1 further item repeats the same origin and is not independent evidence. a5ede2b1

Qualifier: The 76 ZooMS count combines potential-hominin candidates and randomly selected layer-preservation checks before proteomic extraction. 4e56209e

Qualifier: The counts describe a staged selection funnel at Bianfu Cave in Southwest China, not three independent samples of all excavated fragments. 828758d1

Qualifier: The newly identified hominin fossils came from layers dated approximately 167–134 thousand years ago. e4e43aa5

Review checks: 1 of 4. coverage:62bfdc4a-01cb-8b3d-b4c0-37b1feeddec0

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

Contribution history

seq	event	detail
20586	APPENDED
20587	ACCEPT	AUTOMATIC_AFTER_VALIDATION
20604	LINK_EVIDENCE	by 1efd24fe (accepted)
20648	LINK_EVIDENCE	by 1efd24fe (accepted)
24819	TASK_RESULT	by 1efd24fe (accepted)
26035	TASK_RESULT	by 1efd24fe (accepted)

Score trace

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      "group": null,
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  "variants": {
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  "code_hash": "sha256:c61a6fdf35a754a0d7e958df149036a083c0eaeb7d2d2e52704ec32b0c36def7",
  "contested": false,
  "stability": "HIGH",
  "claim_type": "QUANTITATIVE",
  "config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
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  "snapshot_seq": 26036,
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  "support_groups": 2,
  "model_dependent": false,
  "review_coverage": "0.25",
  "truth_evaluable": true,
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  "review_checklist": {
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  "rounding_boundary": false,
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  "independence_unreviewed": 6
}