Check that each citation in an AI draft backs its claim
Reads each claim in an AI-drafted memo against the source it cites: supports, contradicts or silent, and quotes used out of context. A lawyer signs off.
Try it on this example
Citation as written in the draft: Software Services Agreement with Vantry Systems Ltd dated 3 March 2025, clause 14.3
Sentence or passage in the draft that relies on the citation: Brackwater can end the Vantry agreement at any time by giving 30 days' written notice, so there is no need to wait for the renewal date before moving the stores to a new till software provider.
Words the draft quotes from the source (empty if none): may terminate this Agreement on thirty (30) days' written notice
Text of the cited clause, section or paragraph and the text around it
- Is the source text readable and complete enough to check the claim against?Yes98%
- How does the cited source relate to the claim it is cited for?Contradicts98%
- Does the claim say more than the cited source does?Yes97%
- Is the cited source about a different party, product or jurisdiction from the one the claim applies it to?No93%
- Do the quoted words mean the same in the source as the draft uses them to mean?Out of context96%
- Whose words or view does the cited passage give?The rule itself100%
- What should the author do with this citation before the memo goes to a lawyer?Narrow the claim74%
These are real answers stored from one run on this example.
The prism behind it
Check that each citation in an AI draft backs its claim
Fields
- Citation as written in the draft
- Sentence or passage in the draft that relies on the citation
- Words the draft quotes from the source (empty if none)
- Text of the cited clause, section or paragraph and the text around it
Context
Citation checks for memos and advice notes that the legal team of Brackwater Retail, a UK retailer, drafts with an AI assistant. The memos are about the company's contracts, its policies and the law that applies to them. Before a memo goes to a lawyer for sign-off, code splits it into claims, each with the citation it relies on, confirms that any quoted words appear word for word in the cited source, and fetches the cited clause, section or paragraph with the text around it. A quote that code cannot find word for word is flagged by code and never reaches this check. This check reads one claim at a time against the source text code supplies. It does not look for other sources and does not say whether the law or the contract is right. The lawyer who signs off the memo decides what it says. A citation backs its claim only when the source says what the claim says it says, for the same party, product and jurisdiction, with the same conditions and exceptions. A claim may shorten or paraphrase the source. It must not drop a condition or exception, turn a permission into a duty or the reverse, or state as general what the source says for a narrower case. Some sources are the text of an agreement, statute or rule; others report the arguments of parties, dissenting views or commentary, which do not state the rule themselves.
Questions
Is the source text readable and complete enough to check the claim against? Yes / No
Read the citation and the source text. Yes: The source text is readable and contains the clause, section or paragraph the citation points to, with enough of the text around it to see its conditions and exceptions. No: The source text is empty, an error or index page, garbled, or cut off before the part the citation points to.
How does the cited source relate to the claim it is cited for? Choice
Read the claim, then the source text. Judge what the source says on the claim's point, taking in any condition or exception attached to it elsewhere in the source text. Whether the claim goes further than the source is asked separately. Pick one option.
Does the claim say more than the cited source does? Yes / No
Compare the claim with what the source says on the same point. Yes: The claim drops a condition, exception, limit or qualifier the source attaches, turns a permission into a duty or the reverse, or states as general or certain what the source states for a narrower case or as possible. No: The claim stays within what the source says, or the source does not address the claim's point at all.
Is the cited source about a different party, product or jurisdiction from the one the claim applies it to? Yes / No
Compare who and what the source text is about with who and what the claim is about. Yes: The source is about another party, such as the supplier where the claim is about the customer, another agreement, product, service or kind of customer, or another country's law, and the claim applies it to its own subject. No: The source is about the same party, product and jurisdiction as the claim.
Do the quoted words mean the same in the source as the draft uses them to mean? Choice
Read the quote in the draft, then find the same words in the source text and read what comes before and after them.
Whose words or view does the cited passage give? Choice
Read the part of the source text the citation points to. Pick what kind of text it is, not whether it supports the claim.
What should the author do with this citation before the memo goes to a lawyer? Choice
Judge the claim, the quote and the source together. The answer is a suggestion for the author; the lawyer who signs off decides. If more than one option fits, choose the one lowest in the list.
Lens columns
enough_to_judge, enough_to_judge_probability, source_relation, source_relation_probability, claim_goes_further, claim_goes_further_probability, different_subject, different_subject_probability, quote_use, quote_use_probability, passage_voice, passage_voice_probability, suggested_step, suggested_step_probability
Run it on your own text
Add this prism in the app, change any question, and test it on a file of your own.