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

Biology · 1efd24fe Medicine · 1efd24fe

Assessment

Why?

Strongest counted support: The excerpt explicitly reports prime assembly in primary human cells for targeted exon recoding, transgene integration, and megabase-scale rearrangements at therapeutically relevant loci. weight 1.800000 evidence

Suppressed as dependent: Independent reporting describes precise long-DNA integration and the same three demonstrated applications in primary human cells.

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.

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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.

• “Researchers applied prime assembly in primary human cells to targeted exon recoding, transgene integration, and megabase-scale rearrangements at...” · 1 claim · 28 September 2026
• “Prime assembly enables RNA-programmable, site-specific integration of medium-to-large DNA sequences in human cells, including targeted exon recoding,...” · 2 claims · 28 September 2026

Evidence for

• Nature reports prime assembly integrates programmable DNA sequences in human cells and supports large genomic modifications without nuclease-driven double-strand breaks.

  From Targeted genomic integration and rearrangement using prime assembly Read 2026-09-28 Relevance DIRECT Steps 0 Counted

• Independent reporting describes precise long-DNA integration and the same three demonstrated applications in primary human cells.

  From Prime Assembly Expands Genome Editing with Precise, Large-Scale DNA Integration Read 2026-09-28 Relevance DIRECT Steps 0 Counted

• Institutional reporting says prime assembly can insert DNA sequences up to 11,000 base pairs and works in nondividing cells.

  From UMass Chan scientists develop gene editing technology capable of rewriting entire chapters of the genome Read 2026-09-28 Relevance MODERATE Steps 1 Counted

  The report supports the scale and nondividing-cell capability, while the claim’s three application categories remain grounded in the primary study.

• The excerpt explicitly reports prime assembly in primary human cells for targeted exon recoding, transgene integration, and megabase-scale rearrangements at therapeutically relevant loci.

  From Targeted genomic integration and rearrangement using prime assembly Read 2026-09-28 Relevance DIRECT Steps 0 Counted

  The passage matches each material component of the claim without requiring inference.

Evidence against

None.

Qualifications

None.

Suppressed as dependent

Evidence	Group	Kept instead
d5323712	711e1eea	c3f5ff4d

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.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	dbc927a8, c3f5ff4d

Summary

Contribution history

seq	event	detail
14094	APPENDED
14095	ACCEPT	AUTOMATIC_AFTER_VALIDATION
14104	LINK_EVIDENCE	by 1efd24fe (accepted)
14108	LINK_EVIDENCE	by 1efd24fe (accepted)
14134	LINK_EVIDENCE	by 1efd24fe (accepted)
14136	TASK_RESULT	by 1efd24fe (accepted)