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.
The Senate voted 86-11 on August 7 for legislation that could add tariffs of up to 100% on goods from major buyers of Russian energy. India's response to the Hormuz disruption shows the policy's physical limit: alternative suppliers replaced most, but not all, of the missing Gulf crude, leaving imports lower even as Russian purchases recovered.
TradeUS imports fell $7.3 billion in June and the trade deficit narrowed $4.4 billion, but the published totals combine surcharge-covered goods with exemptions and goods under other tariff rules. Price-adjusted imports rose in the second quarter, and an abnormal 2025 comparison leaves lower demand, shipment timing and supplier switching unresolved. [June FT900](https://www.census.gov/foreign-trade/Press-Release/ft900/ft900_2606.pdf) [Surcharge proclamation](https://www.whitehouse.gov/presidential-actions/2026/02/imposing-a-temporary-import-surcharge-to-address-fundamental-international-payments-problems/)
Personal FinanceMortgage applications fell as the Mortgage Bankers Association's weekly contract rate reached 6.81%. Substituting that rate directly into June's National Association of Realtors affordability formula lowers the modeled index from 102.3 to about 99.8, but leaves it above June 2025's 95.5 reading.

On August 5, 2026, the IRS told employers how to calculate the Section 45S credit using paid-leave insurance premiums. A comparison of the [notice](https://www.irs.gov/pub/irs-drop/n-26-28.pdf), the [2025 law](https://www.congress.gov/119/plaws/publ21/PLAW-119publ21.pdf) and the [current tax code](https://uscode.house.gov/view.xhtml?edition=prelim&num=0&req=granuleid%3AUSC-prelim-title26-section45S) shows that the IRS clarified the claiming process but did not widen the worker eligibility rules.
Aug 5, 5:44 PM · 10 min

The first-half U.S. trade deficit narrowed because exports rose $198.3 billion, not because imports fell. Four technology-hardware import lines rose by $183.5 billion, but the available data cannot show how much represented artificial-intelligence investment or the unwinding of tariff front-loading.
Aug 4, 12:37 PM · 10 min

Treasury raised its July-September borrowing estimate by $68 billion and said the increase was $87 billion after excluding a $19 billion opening-cash offset. Across 12 comparable updates since 2015, $87 billion ranks third as a signed dollar revision, fifth as a share of prior financing need, and fourth against a like-for-like cash-adjusted funding gap.
Aug 3, 7:38 PM · 10 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