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Sources and proof guide

Learn how Gixo adds source notes that point back to your files, so readers — and reviewers — can see where each fact came from.

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Gixo Quill evidence controls showing source scope, evidence trust profile, and trusted domains before generation
Evidence and citation controls are selected before generation so the draft starts from trusted material: web pages outside your trusted domains or trust profile are not used, and the Sources panel says when none qualified.

Quill article review: compare a saved draft with selected sources

Find passages that need a closer look before publication. Compare a saved draft with selected source documents and review advisory findings beside quoted evidence, including contradictions, unsupported assertions, calculations, missing conditions, and changed numbers or units.

Prepared example. These invented pilot figures demonstrate an editorial decision; they are not a customer result or a recorded Quill run.

  1. Source: “In a UK pilot during May 2026, median handling time fell from 12 to 9 minutes across 120 tickets.”
  2. Draft: “All customers cut handling time by 30%.”
  3. Review concern: the universal scope and percentage exceed the selected source. Check the draft and source quotations; a model finding still needs an editor's decision.
  4. Correction: “In the May 2026 UK pilot of 120 tickets, median handling time fell 25%, from 12 to 9 minutes.”
  5. Finish: save the correction, rerun review for the changed passages, and review the article and its publication metadata before approving that saved revision.

Publish the version your team approved. Approve an exact saved revision, then send its frozen release. Workspace owners can require approval for live publication; Quill checks the release against required sources, reviewed facts, policy, and revocation before delivery.

The publication policy is optional in the app. Later draft edits do not rewrite an earlier frozen release; its own source, fact, policy and approval checks still apply. A review may be incomplete when sources are unreadable, the review window is exceeded or quotations cannot be verified. Neither verified quotations nor approval establish that the source itself is true.

Separate deterministic quality checks from source review · Set review responsibilities and fact freshness

Refresh content when the facts change

Keep the prior article and the new source material available to the editor. Identify the changed claims, revise the copy, rerun source review and mechanical checks, and approve the new saved revision where your publication policy requires it. A derivative refresh creates a new copy so existing edits are preserved; verify the destination workflow before replacing an already published post.

The Business brief source-note workflow described below is separate from Quill's saved-article review.

Sources and proof features

Six things that make a brief easier to trust and double-check.

Automatic source notes

When you upload files, Gixo adds numbered source notes to the claims it takes from them, each pointing to a file in the Sources list. A cited claim can be traced back to the document it came from.

Number Verification

A cited percentage, financial figure or statistic points to the document it was taken from, so a reviewer can check it at the source instead of hunting for it.

Source Document Linking

Citations point to the source document the information came from, listed in the Sources section. Readers can check a cited claim by following the reference back to that document.

Trust signals

Source notes next to cited claims show readers which statements are tied back to your uploaded proof. A statement without one is not tied to a file, so it is the first thing to check.

Multi-step checking flow

The checking flow runs through several steps, from reading your files to checking numbers against them, adding source notes when you upload files, and shaping the final brief.

Sources in the brief

The Sources list is added to the brief itself as a numbered list under a Sources heading, so it takes the brief's own formatting and exports with it. Gixo does not rewrite source notes to match your tone.

How it works

Five steps from source upload to a brief with source notes.

1
Upload source files

Upload PDFs, DOCX files, or web URLs as source material. Gixo reads every file and makes it easy to search during brief creation.

2
AI pulls out key facts

The AI drafts from the text extracted from every source document, and a separate check then pulls candidate facts, statistics, quotes, and data points out of that text. Each is kept with the name of the file it came from; a brief records no page number or section for it, so confirm a figure in the file itself.

3
You review the extracted facts

Gixo does not independently verify facts — it surfaces the sources so you can. Extracted facts stay attached to the file they came from, so a reviewer can confirm each number at the source before the draft goes anywhere. A Business brief built from files you upload runs an extra reconciliation stage that rewrites a sentence whose figure it cannot find in those files, and its Evidence tab then lists the sentences the check still could not match. Both compare the draft against your own sources; neither establishes that the sources are right, and nothing is marked up in the brief itself.

4
Source notes are added

Gixo adds inline source notes for supported claims. Each note is a number that points to a file in the Sources list, so readers can trace a claim back to the document it came from.

5
The final brief shows its proof

The final brief shows inline source notes and a source list, so claims point back to your uploaded files and any figure can be traced to the document it came from.

Pro Tip
PDF and DOCX uploads usually extract most cleanly, because they keep their headings and structure, which gives the draft more to cite.
Pro Tip
In a Business brief built from your files, the 25% is rewritten if no source contains it, or listed in the Evidence tab if it survives, but a 25% that appears anywhere else in your files passes both. That is why a cited figure keeps a link back to its source document, so you can review it there.

Frequently Asked Questions

How are source notes added automatically?
Gixo pulls facts from your uploaded files and adds inline source notes during brief creation, each pointing to the file a claim came from. You do not have to add those notes by hand later.
What counts as a source document?
Any PDF, DOCX, TXT file, or web URL that you upload to Briefs counts as a source. Gixo uses those files as the proof base for the facts and data it pulls into the brief.
How are numbers verified against sources?
Where a brief has sources - files you upload or connect, pages you add, or the search results web research drew on - a repair stage compares the figures in the paragraphs, lists and table body cells of the draft with the numbers in those sources, and rewrites any sentence or cell whose figure it cannot find there, substituting the source value or dropping the claim. A table heading or row label is read as context, not as a figure, and a total, difference or share the table works out from its own cells is never rewritten. That is reconciliation against your own sources, not an independent fact-check, and it is silent: nothing is marked up in the delivered brief, and a sentence it cannot repair, or a draft it cannot finish, keeps its original figures. For a brief written from sources you upload or from the search results web research drew on, the Evidence tab under Checks in the brief editor lists up to five sentences or table cells whose wording or figures it could not match to those sources, for you to check. It matches wording and exact figures, not meaning: a faithful paraphrase, or $8.1M where the source says 8,100,000, can fail to match while being true, so an unmatched sentence is a place to look, not an error, and a matched one is not confirmed either, because this is a comparison with your own sources, not a fact-check. It reads only part of a long source (24 passages of up to 1,600 characters) and at most 12 sources, files first. Of web research it reads the title and snippet of each search result, not the page, so a figure taken from the page alone does not match, and if it could not read every result the list is advisory. It reads a table cell with its row and column, and a total the table works out from its own cells passes when the arithmetic holds. It checks the draft as generated, not your later edits. Treat every figure as needing review until you have confirmed it at the source.
Can I add my own sources after generation?
Yes. You can upload more source files to Briefs and remake specific sections of the brief. Gixo uses the new files and updates the source notes.
Where do source notes appear in the brief?
Source notes appear next to the claims they support. The brief can also include a source list at the end showing the files that were used. Both are added automatically.
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