Evidence before narrative
A compelling explanation is not a substitute for valid evidence.

Research model
“Cumulant combines human judgment, AI-assisted investigation, and deterministic analysis to study difficult questions in finance, allocation, and research reliability. The aim is not automated judgment. It is greater investigative reach without losing traceability or accountability.

01
Question
Claim boundary · Decision context
02
Evidence
Sources + data · Recorded provenance
03
Alternatives
Competing accounts · Contradictions
04
Stress tests
Samples + models · Assumptions
05
Human review
Meaning + limits · Release decision
06
Record
Versioned output · Corrections retained
Cumulant studies financial inference, capital allocation, humanitarian finance, replication, and the reliability of AI-assisted research.
The question determines the method. Literature, data, code, criticism, and revision remain part of one inspectable record.
AI extends the investigation. Frozen artifacts, reproducibility checks, and human review keep responsibility with the researcher.


01
Ask
01 Find the puzzle · 02 Study the field
02
Design
03 State the question · 04 Choose the method · 05 Build the evidence
03
Investigate
06 Analyze · 07 Challenge · 08 Stress-test
04
Preserve
09 Verify · 10 Reproduce · 11 Human review · 12 Release
Cumulant does not force questions through one fixed pipeline. The question determines the method.
Across projects, a small set of disciplines recurs: trace the evidence, test alternatives, reproduce the result, and require human review before release.
Identify the tension, anomaly, or decision that merits investigation.
Review prior work, competing explanations, and unresolved gaps.
Define a specific question and the boundary of the claim.
Select a design that fits the question instead of forcing a standard recipe.
Acquire, validate, and preserve data and sources with provenance.
Run deterministic code and save machine-readable outputs.
Use critical review to search for leakage, weak identification, alternative explanations, and unsupported claims.
Test alternate samples, variables, models, windows, costs, assumptions, and out-of-sample behavior.
Trace numerical claims and citations to saved evidence.
Rebuild results from preserved inputs, code, seeds, and configurations.
Require human evaluation of the design, interpretation, limitations, and release decision.
Publish a versioned output with methods, code, data status, limitations, and correction history.
AI extends the investigation. It does not inherit responsibility.
Cumulant works across five connected programs concerned with uncertainty, allocation, inference, and research reliability.
Statistical inference and model reliability in financial data, where limited decision counts and flexible analysis can make findings fragile.
Backtest inference
Decision timing
Researcher degrees of freedom
Model selection
False discovery
Robustness
Event studies
Statistical fragility

Current and completed investigations, presented with their actual status, limitations, and evidence record.
Submitted
Research note
Research in progress
Experimental
Archived / complete
Null result

01
Assisted investigation
Research director · Literature + critic
02
Deterministic infrastructure
Data + code + sensitivity · Citation + reproduction
03
Human review gate
Approve · Revise · Reject · No automatic release
04
Public record
Versioned artifact · Methods + limitations
Software roles help retrieve evidence, write and test code, analyze data, surface alternative explanations, and preserve research state. Deterministic tools produce and verify estimates. External release still requires human-attested review.
Independent analysis of the events moving markets, the economy, and policy, one consequential question at a time.
Senate appropriators said a funding agreement through Dec. 11 would keep OMB's proposed grant rule from taking effect, but the measure had not passed and Cumulant did not locate official Senate text before publication. Public award records can measure commitments that agencies made, not applications or existing awards that the proposed rule would have changed, so a protected-dollar total would be false precision.
GeopoliticsDonald Trump said on August 1 that he would hold off planned US strikes if a deal were reached quickly, but Iran said reopening the Strait of Hormuz was not under discussion and a mediator said no agreement existed. In five completed event windows, Brent's EIA spot price was lower on the tenth subsequent observation every time and at least 5% lower four times, but incompatible shipping snapshots and multiple competing influences prevent a causal conclusion.
TechThe European Commission's power to impose fines under Article 101 began applying on 2 August 2026, although the detailed procedural regulation takes effect on 10 August. After tracing the required legal steps and correcting the closest DSA precedent to 833 days, we estimate a 35% chance of a first fine decision by 2 August 2027. [AI Office FAQ](https://ai-act-service-desk.ec.europa.eu/en/faq?faq_category_id=69) [Implementing Regulation 2026/1755](https://eur-lex.europa.eu/eli/reg_impl/2026/1755/oj/eng)

On 2 August, [seven OPEC+ producers approved a combined 188,000-barrel-a-day production adjustment for September](https://www.opec.org/pr-detail/611-2-august-2026.html). Our reconstruction of the [IEA's June estimates](https://www.iea.org/reports/oil-market-report-july-2026) found a 7.20 million-barrel-a-day shortfall to its implied targets, but that comparison measures scale, not compliance, future production or price impact.
Aug 2, 2:22 PM · 9 min

On July 31, the OCC and FDIC proposed limiting mandatory detailed loan reporting largely to banks above $10 billion. Their 85.4% asset statistic does not measure loan-data coverage, which matters because nonmetropolitan places supplied 55.0% of reported small-farm dollars in low- and moderate-income tracts in 2024.
Aug 1, 4:17 PM · 9 min

Medicare payments for services outside hospice increased by $1.536 billion from FY2020 to FY2024. After mechanically removing the approximately $696 million increase in pressure-ulcer-coded carrier claims, CMS data indicate that the remaining spending rose by about $4.11 per hospice day, although the exact figure is unavailable because CMS has not published an unrounded FY2020 denominator matched to the final-rule data.
Aug 1, 1:04 PM · 14 min
Operating standard
“Every numerical claim is required to trace to a re-derivable artifact. Replication must rebuild reported results. Nulls and failures remain part of the record. Nothing goes public without human-attested review.

Cumulant is a developing, independent research initiative founded by Aryan Patel. It studies finance, allocation, and research reliability while keeping verification, judgment, and responsibility visible.
Learn about CumulantEvidence before narrative
A compelling explanation is not a substitute for valid evidence.
The question determines the method
Methods should fit the question rather than force every project through one recipe.
Uncertainty is part of the result
Research should show ranges, instability, and unresolved questions rather than hide them behind one estimate.
Null findings belong in the record
A hypothesis that fails still contains information.
Reproducibility before persuasion
A result should be inspectable and rerunnable.
Criticism improves the work
Alternative explanations and adversarial review reveal where a claim is fragile.
AI assists; humans are responsible
Software supports the work. Human researchers approve the design, interpretation, and release.
Corrections remain visible
Changes, errors, and revisions stay attached to the record.
Claims should match evidence
The language of a conclusion should never exceed the strength of the design.
Cumulant welcomes researchers, statisticians, domain experts, nonprofit practitioners, engineers, independent reviewers, and data contributors.
Research collaboration
Statistical review
Domain expertise
Nonprofit partnership
Replication
Data contribution
Systems engineering
External criticism
Share the question, the evidence available, and where outside scrutiny would help.

THE QUESTION DETERMINES THE METHOD.
EVIDENCE BEFORE NARRATIVE.
UNCERTAINTY IS PART OF THE RESULT.
HUMANS REMAIN RESPONSIBLE.
CUMULANT RESEARCH