About

Imported from boisenoise/skills-collections (skills/antigravity-verify-citations/SKILL.md). Install upstream with npx skills add boisenoise/skills-collections --skill antigravity-verify-citations. Copyright stays with the author (Apache-2.0).

Citation Verification

Name: verify-citations
Author: boisenoise

Verify that citations in a document actually resolve and support the claims they're attached to. Uses the Stipple API (free anonymous tier, no signup) for citation resolution, arithmetic recomputation, and unsupported-claim detection.

When to use

Before submitting or publishing a research report, tender response, or whitepaper
Reviewing an LLM-generated document (LLM citations are plausibly-formatted and frequently wrong)
Due diligence on third-party reports
Academic reference checking

Instructions

Get the document. Ask the user for a URL to the report, or a local file path (PDF, DOCX, Markdown). If the user pastes text directly, skip to step 3 with text input.
Run verification. POST the document to Stipple's citation verification endpoint:
```
curl -X POST https://www.stipple.sh/v1/verify-references \
  -F "file=@report.pdf" \
  -H "Authorization: Bearer $STIPPLE_API_KEY"
```
The anonymous free tier works without the Authorization header. Deep mode (?deep=true) costs more credits but cross-checks citations against live web sources.
Interpret the response. The result includes:
- verification_coverage — percentage of claims verified (e.g. "78%")
- citations[] — per-citation status: resolved and matching, resolved but mismatched, or unresolvable, with the issue explained
- arithmetic[] — recomputed figures vs stated figures (flags decimal shifts, wrong sums)
- unsupported_claims[] — claims with no citation at all
Report honestly. Present results as verification coverage, not a truth verdict:
- "21/27 citations resolve and match"
- "[x] FY24+FY25 revenue stated $4.2m, actual $3.7m"
- "[!] 'industry-leading accuracy' — no source in document"
- Unverified ≠ false. The goal is telling the user which claims are backed and which aren't.
Offer remediation. For failed citations, suggest: fixing the decimal shift, finding the correct source, or removing the unsupported claim.

Output format

Verification coverage: 78%

Citations: 21/27 resolve and match
  [+] "ABS unemployment 4.1% April 2026" — matches abs.gov.au
  [-] "AI adoption grew 340% in 2025" — source states 34%, decimal shifted

Arithmetic: 12/13 recompute correctly
  [x] FY24 + FY25 revenue — stated $4.2m, actual $3.7m

Unsupported claims: 2
  [!] "industry-leading accuracy" — no source in document

Limitations and Safety

Uploading a report or manuscript sends its contents to a hosted third party; deep mode also retrieves external sources. Obtain approval before transmission, remove confidential or personal material, and verify current retention and deletion terms.
Resolution and textual support do not establish that a source is authoritative or that a claim is true. Inspect consequential citations in the primary source and preserve page, edition, date, and access context.
Treat unresolved or unsupported claims as review items, not proof of fabrication, and keep a human reviewer responsible for publication or academic decisions.

Notes

Works on PDF, DOCX, MD, TXT. For pasted text, POST JSON: {"text": "..."}
Deep verification (deep=true) is slower and costs more credits but resolves citations against live sources
Pairs well with verify-document (is the source doc itself authentic?) run first
Anonymous free tier: shared weekly allowance. Get a free key at https://www.stipple.sh for your own metering

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/boisenoise-skills-collections-antigravity-verify-citations/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

boisenoise-skills-collections-antigravity-verify-citations.ocm.jsonjson

{
  "ocm": "1",
  "id": "boisenoise-skills-collections-antigravity-verify-citations",
  "kind": "skill",
  "name": "verify-citations",
  "description": "Verify citations and references in a document, report, or article against real sources. Use when the user asks to fact-check, verify references, check citations, or validate evidence in research reports, tender responses, whitepapers, or academic writing.",
  "publisher": "boisenoise",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "tags": [
      "skill-md",
      "document-verification",
      "fact-checking",
      "stipple",
      "authenticity",
      "github"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Verify citations and references in a document, report, or article against real sources. Use when the user asks to fact-check, verify references, check citations, or validate evidence in research reports, tender responses, whitepapers, or academic writing."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "github",
      "repository": "https://github.com/boisenoise/skills-collections",
      "path": "skills/antigravity-verify-citations/SKILL.md",
      "ref": "652629d2faae52652b5bd16c316a0ac5c30207a9",
      "url": "https://github.com/boisenoise/skills-collections/blob/652629d2faae52652b5bd16c316a0ac5c30207a9/skills/antigravity-verify-citations/SKILL.md",
      "key": "boisenoise/skills-collections/skills/antigravity-verify-citations/SKILL.md"
    },
    "license": "Apache-2.0"
  },
  "instructions": "# Citation Verification\n\nVerify that citations in a document actually resolve and support the claims they're attached to. Uses the Stipple API (free anonymous tier, no signup) for citation resolution, arithmetic recomputation, and unsupported-claim detection.\n\n## When to use\n\n- Before submitting or publishing a research report, tender response, or whitepaper\n- Reviewing an LLM-generated document (LLM citations are plausibly-formatted and frequently wrong)\n- Due diligence on third-party reports\n- Academic reference checking\n\n## Instructions\n\n1. **Get the document.** Ask the user for a URL to th",
  "cost": {
    "context_tokens": 875
  }
}

Fetch it by URL: GET /api/v1/registry/boisenoise-skills-collections-antigravity-verify-citations/manifest?version=1.0.0

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