Touchstone

Does the source say it?

Paste an AI research report with its links. Touchstone checks each claim against the page it cites.

A saved report; no tokens.
ReportMarkdown

Up to 25 cited claims and 8 distinct source links per check (the first ones, in report order). 5 checks per hour.

Reports are processed by Google Gemini (free tier), which may use inputs to improve Google's products. Don't paste anything private.

1 / 1

Claim

Evidence

Quotes are the passages the checker read.

Keyboard shortcuts

Click
Edit a block in Inline view
E
Edit the visible block in Inline view
Esc
Finish inline editing
Ctrl / ⌘ B
Bold
Ctrl / ⌘ I
Italic
Ctrl / ⌘ K
Link
Ctrl / ⌘ O
Import a report
Ctrl / ⌘ Enter
Run the check
J / K
Next / previous card
[ / ]
Previous / next problem
G
Back to top
?
This list

Edit shows raw Markdown. Preview is read-only. Inline renders the report and lets you click any block to edit it. In Edit or Inline, use the format bar above the page.