Aletheia is the quotation and citation verifier for litigation drafts. It is designed to compare quotations in a legal draft with your supplied authorities, word for word, and returns a complete Verification Packet: the draft beside annotated sources, an initialling table for counsel, and a tracked-changes Word document (.docx).
The verification packet
Checking quotations shouldn't require twenty open tabs, hunt-and-peck PDF searches, or wondering if a language model smoothed over an altered word.
Aletheia returns a unified artifact: your draft with exact inline markers, the cited authority with the matching passage highlighted, and a tracked-changes Word document showing every discrepancy, punctuation shift, and dropped negative.
Counsel’s review copy
The finding. The source. The limits.
Palsgraf v Long Is. R.R. Co.
248 NY 339, 344 [1928]“The risk reasonably to be perceived defines the duty to be obeyed”
Matched in source · p. 344
Quotation differs
Nearest source text attachedSource unresolved
No accusation of fabricationThe problem in practice
Generative AI and rushed drafting have made quotation checking both more urgent and significantly harder. LLMs frequently produce plausible-sounding authorities or subtly alter quoted language to favor an argument.
Ordinary quote checkers fail on the subtleties that matter most: they skip short quotes as “too short to verify,” ignore punctuation shifts that fuse separate sentences, and miss ellipses that quietly drop conditional clauses or negations.
A citation that does not exist in any supplied docket, volume, or reporter. Aletheia is designed to resolve citations against supplied sources and mark unresolved authorities for review. A missing source alone does not prove non-existence.
Dropping a single negative particle or prefix (such as turning "unlawful" into "lawful") can reverse a legal rule while leaving most of the words identical. Aletheia is designed to detect this change; the illustration is not a measured detection rate.
Replacing a period with a semicolon to fuse two different holdings into one synthetic sentence, or stitching text from distant pages under a single set of quotation marks.
Capabilities / Synthetic feature highlights
These synthetic illustrations describe intended behavior, not measured detection rates. Test results must identify the corpus version, release and date.Read the evidence status and limits.
Aletheia is designed to detect meaning changes in short quotations, including a dropped negative prefix. A short quotation may require review when the evidence is insufficient.
Brief: “lawful and void” vs. Source: “unlawful and void”Aletheia is designed to detect ellipses that remove a negation, operative condition or actor and thereby change meaning.
Brief: “may commence … and the court shall dismiss”Aletheia is designed to detect punctuation changes that fuse separate source sentences into one quotation, including around abbreviations and short passages.
Brief: “motion is denied; plaintiff established a prima facie case”Aletheia is designed to detect passages stitched from different parts of an opinion and changed star-page markers inside quotations.
Two distinct paragraphs stitched under one set of quotation marksAletheia is designed to distinguish disclosed bracketed substitutions from undisclosed deletions and to identify the source words for counsel's review.
Brief: “[returned] all statutory deposits” vs. Source: “withheld all statutory deposits”Aletheia is designed to detect omitted adjacent negation in short matches, such as a missing 'not'.
Brief: “shall enforce” vs. Source: “shall not enforce”Aletheia is designed to withhold a finding when scan damage makes source text unreliable, while distinguishing actual changes to numbers, years and pages.
Source scan damage in evidence window causes deliberate refusal to gradeAletheia is designed to distinguish a quotation found in another supplied source from an unsupported quotation. A missing match alone does not prove fabrication.
Verbatim quote matched in Exhibit D instead of the cited Exhibit BAletheia is designed to detect when a quotation presents a rejected party contention as the court's holding. Counsel must review the context.
Party argument quoted verbatim from discussion of rejected claimsAletheia is designed to distinguish page furniture from quoted text and to assess quotations separated by an intervening citation independently.
Quotation spanning NYSCEF footer stamps cleanly verified without deletionEvidence before reassurance
Internal obstacle and adversarial tests evaluate specific releases. Results on an internal test set do not establish performance on other drafts or sources.
Copy reviewed October 20, 2026. Measured results and their test dates are pending publication.See the substantiation status.
Corpus version, tested release, result and date await publication.
The corpus, adversary configuration, result and test date await publication.
Baseline and candidate commits, changed verdicts and test date await publication.
Release-specific counts await publication; test goals are not universal guarantees.
The internal test plan compares the align and batch paths. Release-specific results are pending. The review goals are:
A dated release comparison will identify the internal test set, baseline and candidate commits:
Measured comparison pending publication. Counts of changed verdicts, recovered clearances, false accusations and lost detections require a linked test record.
Align result: pending · Batch result: pending · Test date: pending
Internal adversarial testing: The corpus version, model configuration, tested commit, result and date must accompany any published result. That evidence is pending.
The illustrations on this page use synthetic text. They do not establish performance on client documents. Counsel remains responsible for reviewing each finding and its sources.
Sample Verification Packets
Two complete packets produced by the current verifier from synthetic demonstration material. No client or real matter content appears in either.
The sources, annotated
Human review is still required. Aletheia makes it quick.
Each packet closes with the source itself, line by line. Passages that need correction are underlined in red, verified passages in green, and every mark names the finding it supports. Counsel checks the highlighted words against the draft instead of hunting through the record.
See the annotated source in the packet →In New York civil litigation, signing a paper certifies that, after an inquiry reasonable under the circumstances, the paper and its contentions are not frivolous. False material factual statements are one basis for a finding of frivolous conduct. See 22 NYCRR §§ 130-1.1(c), 130-1.1a(b). A verification packet supports your review; it cannot guarantee compliance or immunity from sanctions.
Underlying verification logic
Walk through how Aletheia separates citation resolution, extraction integrity, and final packet compilation.
Act I / Citation gate
The lookup returns no source. There is nothing reliable to set beside counsel’s words.
Illustrative lookup scenario. No real case is being classified here.
The packet preserves the search trail. It does not turn a missing source into a claim that the case was invented.
Reserved for a positive finding of non-existence. A failed search cannot cross that gate.
Act II / Record gate
…pro t by his own fra ud,
or to take adv nt–
age of his own wrong…
Damaged extraction example retained from the original demo.
The source audit runs before a model reads the text. The packet preserves the damaged span and explains why the check stopped.
No quiet repair. No verdict against words the source cannot reliably supply.
Act III / Review packet
“The risk reasonably to be perceived defines the duty to be obeyed”
Palsgraf v Long Is. R.R. Co., 248 NY 339, 344 [1928] · illustrative finding from the existing packet.
The same marker connects the draft, the cite-check table and the source text. A person reviews the evidence and signs last.
corrected A changed quotation returns with the nearest known-good text and attribution.
Explore the packetDemonstration only. This page does not run a check or accept a document.
Automate across your firm
A firm integration API is planned. The endpoints below are proposed interfaces, not available services. Firm keys, RAM-backed temporary processing and rate limits require implementation and validation before release.
Read the API preview ↗/v1/jobsMultipart: draft + sources/v1/jobs/{id}Job status & findings summary/v1/jobs/{id}/packetDownload ZIP packet/v1/jobs/{id}Cancel job or discard packetCustody and privacy
Legal drafts and exhibits contain your clients' most confidential matters. The hosted product's retention, backup and deletion terms must be supplied before onboarding. This page makes no guarantee of RAM-only processing or deletion at job completion.
RAM-backed processing and a ten-minute packet expiry belong to the planned API design. The public API is not yet available, and these controls are not present service facts.
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