funder-graph

FundersCA

Grants paid by John Stauffer Charitable Trust

EIN 23-7434707 · Pasadena, CA · Form 990-PF, Part XV

John Stauffer Charitable Trust of Pasadena, CA (EIN 23-7434707) reported 61 grants paid totaling $18,751,047 to 20 recipients in tax years 2018–2025, on Form 990-PF, Part XV. It also reported $28,320,000 approved for future payment, which is listed separately and not included in the total. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.

Grants paid

$18,751,047

61 grants

Recipients

20

distinct organizations

Tax years

2018–2025

10 filings in the corpus

Approved for future payment

$28,320,000

50 commitments · not included in grants paid

By tax year

Grants by tax year, as the same figures
Tax yearGrants paidAmount paidApproved for future
201811$2,060,000$4,860,000
20198$1,930,000$2,830,000
20207$1,670,000$1,160,000
20214$906,265$4,790,000
20226$3,000,000$9,980,000
202314$4,171,782$4,700,000
20245$2,013,000
20256$3,000,000

Top recipients

The 20 recipients receiving the most from John Stauffer Charitable Trust, by grants paid, out of 20 distinct recipients.

Recipients ranked by total grants paid
RecipientMatchLocationGrantsTotal paidLatest year
University of Redlands 95-1643389CRedlands, CA9$3,600,0002025
California Institute of Technology 95-1643307BPasadena, CA7$3,200,0002025
Soka University of America 95-3909672BAliso Viejo, CA4$2,000,0002023
Scripps CollegeUClaremont, CA5$1,150,0002025
University of the PacificUStockton, CA4$1,117,0002025
Occidental CollegeULos Angeles, CA2$1,000,0002025
Children's Hospital of Los AngelesULos Angeles, CA2$1,000,0002019
Doheny Eye Institute 95-2916590CLos Angeles, CA3$990,0002020
Usc Arcadia Hospital Foundation 95-3407027BArcadia, CA3$750,0002024
Coastline CollegeUFountain Valley, CA3$584,0472023
Mount St Mary's University 95-1641455BLos Angeles, CA2$500,0002019
Pepperdine University 95-1644037CMalibu, CA2$430,0002019
Azusa Pacific UniversityUAzusa, CA2$410,0002020
Chapman UniversityUOrange, CA2$400,0002021
University of Pacific 94-1156266CStockton, CA3$400,0002020
Eisenhower Medical Center 95-6130458BRancho Mirage, CA2$400,0002019
California Lutheran UniversityUThousand Oaks, CA1$250,0002025
Chapman CollegeUOrange, CA2$200,0002023
Claremont Mckenna CollegeUClaremont, CA2$200,0002020
Uc Berkeley - College of ChemistryUBerkeley, CA1$170,0002021

Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.

Every grant

All 111 grant rows this organization reported, most recent first.

Grants reported by John Stauffer Charitable Trust
Tax yearRecipientMatchAmountTypePurposeSource filing
2025Scripps College Claremont, CAU$650,000paidTO SUPPORT A PROFESSORSHIP IN CHEMISTRY AND ART CONSERVATION.202601289349102110
2025University of the Pacific Stockton, CAU$600,000paidTO FUND THE PURCHASE OF SCIENCE EQUIPMENT FOR THE CHEMISTRY LABORATORIES.202601289349102110
2025Occidental College Los Angeles, CAU$500,000paidTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202601289349102110
2025California Institute of Technology Pasadena, CAB$500,000paidTO SUPPORT A PROFESSORSHIP IN CHEMISTRY.202601289349102110
2025University of Redlands Redlands, CAC$500,000paidTO SUPPORT A CHAIR IN CHEMISTRY.202601289349102110
2025California Lutheran University Thousand Oaks, CAU$250,000paidTO SUPPORT A PROFESSORSHIP IN ANALYTICAL CHEMISTRY.202601289349102110
2024University of Redlands Redlands, CAC$500,000paidTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202510849349100411
2024California Institute of Technology Pasadena, CAB$500,000paidENDOWMENT FORCHEMISTRYPROFESSOR.202510849349100411
2024Occidental College Los Angeles, CAU$500,000paidTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202510849349100411
2024University of the Pacific Stockton, CAU$263,000paidENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY.202510849349100411
2024Usc Arcadia Hospital Foundation Arcadia, CAB$250,000paidTO SUPPORT THE RADIOLOGY DEPARTMENT.202510849349100411
2023University of Redlands Redlands, CAC$500,000paidTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202401699349100710
2023University of Redlands Redlands, CAC$500,000paidTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202533449349100413
2023Soka University of America Aliso Viejo, CAB$500,000paidESTABLISHUNDERGRADUATESUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202533449349100413
2023California Institute of Technology Pasadena, CAB$500,000paidENDOWMENT FORCHEMISTRYPROFESSOR.202533449349100413
2023California Institute of Technology Pasadena, CAB$500,000paidENDOWMENT FORCHEMISTRYPROFESSOR.202401699349100710
2023Harvey Mudd College Claremont, CAB$500,000approved, futureTO SUPPORT SUMMER UNDERGRADUATE RESEARCH PROGRAM IN CHEMISTRY.202401699349100710
2023Harvey Mudd College Claremont, CAB$500,000approved, futureTO SUPPORT SUMMER UNDERGRADUATE RESEARCH PROGRAM IN CHEMISTRY.202533449349100413
2023Occidental College Los Angeles, CAU$500,000approved, futureTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202401699349100710
2023Soka University of America Aliso Viejo, CAB$500,000paidESTABLISHUNDERGRADUATESUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202401699349100710
2023California Institute of Technology Pasadena, CAB$500,000approved, futureENDOWMENT FORCHEMISTRYPROFESSOR.202401699349100710
2023University of Redlands Redlands, CAC$500,000approved, futureTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202533449349100413
2023Occidental College Los Angeles, CAU$500,000approved, futureTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202533449349100413
2023California Institute of Technology Pasadena, CAB$500,000approved, futureENDOWMENT FORCHEMISTRYPROFESSOR.202533449349100413
2023University of Redlands Redlands, CAC$500,000approved, futureTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202401699349100710
2023Usc Arcadia Hospital Foundation Arcadia, CAB$250,000paidRADIOLOGY DEPARTMENT CT SCANNER PURCHASE.202401699349100710
2023Usc Arcadia Hospital Foundation Arcadia, CAB$250,000approved, futureRADIOLOGY DEPARTMENT CT SCANNER PURCHASE.202401699349100710
2023Usc Arcadia Hospital Foundation Arcadia, CAB$250,000paidRADIOLOGY DEPARTMENT CT SCANNER PURCHASE.202533449349100413
2023Usc Arcadia Hospital Foundation Arcadia, CAB$250,000approved, futureRADIOLOGY DEPARTMENT CT SCANNER PURCHASE.202533449349100413
2023University of the Pacific Stockton, CAU$127,000paidENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY.202401699349100710
2023University of the Pacific Stockton, CAU$127,000paidENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY.202533449349100413
2023Coastline College Fountain Valley, CAU$108,891paidFOR JOHN STAUFFER HUMAN ANATOMY SUITE.202401699349100710
2023Coastline College Fountain Valley, CAU$108,891paidFOR JOHN STAUFFER HUMAN ANATOMY SUITE.202533449349100413
2023Chapman College Orange, CAU$100,000paidTO ESTABLISH ANENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202401699349100710
2023University of the Pacific Stockton, CAU$100,000approved, futureENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY.202401699349100710
2023Chapman College Orange, CAU$100,000paidTO ESTABLISH ANENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202533449349100413
2023University of the Pacific Stockton, CAU$100,000approved, futureENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY.202533449349100413
2022California Institute of Technology Pasadena, CAB$2,500,000approved, futureENDOWMENT FORCHEMISTRYPROFESSOR.202333179349100638
2022California Institute of Technology Pasadena, CAB$2,500,000approved, futureENDOWMENT FORCHEMISTRYPROFESSOR.202503449349100210
2022University of Redlands Redlands, CAC$1,500,000approved, futureTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202333179349100638
2022University of Redlands Redlands, CAC$1,500,000approved, futureTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202503449349100210
2022Soka University of America Aliso Viejo, CAB$500,000paidESTABLISHUNDERGRADUATESUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202503449349100210
2022California Institute of Technology Pasadena, CAB$500,000paidENDOWMENT FORCHEMISTRYPROFESSOR.202333179349100638
2022Soka University Aliso Viejo, CAU$500,000approved, futureESTABLISHUNDERGRADUATESUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202503449349100210
2022University of Redlands Redlands, CAC$500,000paidTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202503449349100210
2022University of Redlands Redlands, CAC$500,000paidTO SUPPORT A CHAIR IN THE FIELD OF CHEMISTRY.202333179349100638
2022Soka University Aliso Viejo, CAU$500,000approved, futureESTABLISHUNDERGRADUATESUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202333179349100638
2022Soka University of America Aliso Viejo, CAB$500,000paidESTABLISHUNDERGRADUATESUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202333179349100638
2022California Institute of Technology Pasadena, CAB$500,000paidENDOWMENT FORCHEMISTRYPROFESSOR.202503449349100210
2022University of the Pacific Stockton, CAU$390,000approved, futureENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY.202333179349100638
2022University of the Pacific Stockton, CAU$390,000approved, futureENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY.202503449349100210
2022Chapman College Orange, CAU$100,000approved, futureTO ESTABLISH ANENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202503449349100210
2022Chapman College Orange, CAU$100,000approved, futureTO ESTABLISH ANENDOWMENT FORSUMMER RESEARCHPROGRAM INCHEMISTRY ANDBIOCHEMISTRY.202333179349100638
2021California Institute of Technology Pasadena, CAB$3,000,000approved, futureENDOWMENT FOR CHEMISTRY PROFESSOR.202212589349101516
2021Soka University of America Aliso Viejo, CAB$1,000,000approved, futureESTABLISH UNDERGRADUATE SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISRTY202212589349101516
2021University of Pacific Stockton, CAC$390,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202212589349101516
2021Coastline College Fountain Valley, CAU$366,265paidESTABLISH HUMAN CADAVER LAB202212589349101516
2021Claremont Mckenna College Claremont, CAU$300,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202212589349101516
2021Chapman University Orange, CAU$200,000paidTO ESTABLISH ENDOWMENT FOR RESEARCH IN CHEMISTRY AND BIOCHEMISTRY.202212589349101516
2021Uc Berkeley - College of Chemistry Berkeley, CAU$170,000paidESTABLISH JOHN STAUFFER ENDOWMENT FOR SUMMER CHEMISTRY RESEARCH PROGRAM.202212589349101516
2021Scripps College Claremont, CAU$170,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202212589349101516
2021Chapman University Orange, CAU$100,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202212589349101516
2020Doheny Eye Institute Los Angeles, CAC$590,000paidTO SUPPORT INSTITUTE'S FELLOWSHIP TRAINING.202142379349100314
2020University of Pacific Stockton, CAC$390,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202142379349100314
2020Claremont Mckenna College Claremont, CAU$300,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202142379349100314
2020Chapman University Orange, CAU$300,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202142379349100314
2020Azusa Pacific University Azusa, CAU$250,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202142379349100314
2020Chapman University Orange, CAU$200,000paidTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202142379349100314
2020University of Redlands Redlands, CAC$200,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202142379349100314
2020University of Pacific Stockton, CAC$200,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202142379349100314
2020Scripps College Claremont, CAU$170,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202142379349100314
2020Scripps College Claremont, CAU$130,000paidTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202142379349100314
2020Claremont Mckenna College Claremont, CAU$100,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202142379349100314
2019University of Pacific Stockton, CAC$590,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202001969349102095
2019Doheny Eye Institute Los Angeles, CAC$590,000approved, futureTO SUPPORT INSTITUTE FELLOWSHIP TRAINING.202001969349102095
2019Chapman University Orange, CAU$500,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202001969349102095
2019Children's Hospital of Los Angeles Los Angeles, CAU$500,000paidGRANT TO SUPPORT PATIENT CARE FOR CANCER AND BLOOD DISEASES.202001969349102095
2019Claremont Mckenna College Claremont, CAU$400,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202001969349102095
2019Mount St Mary's University Los Angeles, CAB$400,000paidESTABLISHMENT OF THE JOHN STAUFFER ENDOWMENT FUND OR SUMMER UNDERGRADUATE RESSEARCH IN CHEMISTRY AND BIOCHEMISTRY202001969349102095
2019Scripps College Claremont, CAU$300,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202001969349102095
2019Azusa Pacific University Azusa, CAU$250,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.202001969349102095
2019Pepperdine University Malibu, CAC$230,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202001969349102095
2019University of Redlands Redlands, CAC$200,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202001969349102095
2019Eisenhower Medical Center Rancho Mirage, CAB$200,000paidPURCHASE AND INSTALLATION OF NEW INTERVENTIONAL RADIOLOGY LAB.202001969349102095
2019University of Redlands Redlands, CAC$200,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202001969349102095
2019Doheny Eye Institute Los Angeles, CAC$200,000paidTO SUPPORT INSTITUTE'S FELLOWSHIP TRAINING.202001969349102095
2019Scripps College Claremont, CAU$100,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202001969349102095
2019University of Pacific Stockton, CAC$100,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.202001969349102095
2018Doheny Eye Institute Los Angeles, CAC$790,000approved, futureTO SUPPORT INSTITUTE'S FELLOWSHIP TRAINING.201902739349100705
2018University of Pacific Stockton, CAC$690,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705
2018Childrens Hospital of Los Angeles Los Angeles, CAU$500,000approved, futureGRANT TO SUPPORT PATIENT CARE FOR CANCER AND BLOOD DISEASES.201902739349100705
2018Childrens Hospital of Los Angeles Los Angeles, CAU$500,000paidGRANT TO SUPPORT PATIENT CARE FOR CANCER AND BLOOD DISEASES.201902739349100705
2018Chapman University Orange, CAU$500,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.201902739349100705
2018University of Redlands Redlands, CAC$400,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705
2018Scripps College Claremont, CAU$400,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705
2018Mount St Mary's University Los Angeles, CAB$400,000approved, futureESTABLISHMENT OF THE JOHN STAUFFER ENDOWMENT FUND OR SUMMER UNDERGRADUATE RESSEARCH IN CHEMISTRY AND BIOCHEMISTRY201902739349100705
2018Claremont Mckenna College Claremont, CAU$400,000approved, futureTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705
2018Azusa Pacific University Azusa, CAU$250,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.201902739349100705
2018Pepperdine University Malibu, CAC$230,000approved, futureENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705
2018California Institute of Technology Pasadena, CAB$200,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND CHEMICAL ENGINEERING.201902739349100705
2018Eisenhower Medical Center Rancho Mirage, CAB$200,000paidPURCHASE AND INSTALLATION OF NEW INTERVENTIONAL RADIOLOGY LAB.201902739349100705
2018Eisenhower Medical Center Rancho Mirage, CAB$200,000approved, futurePURCHASE AND INSTALLATION OF NEW INTERVENTIONAL RADIOLOGY LAB.201902739349100705
2018University of Redlands Redlands, CAC$200,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705
2018Doheny Eye Institute Los Angeles, CAC$200,000paidTO SUPPORT INSTITUTE FELLOWSHIP TRAINING.201902739349100705
2018Pepperdine University Malibu, CAC$200,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705
2018Azusa Pacific University Azusa, CAU$160,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.201902739349100705
2018Claremont Mckenna College Claremont, CAU$100,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705
2018Scripps College Claremont, CAU$100,000paidTO ESTABLISH AN ENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY AND BIOCHEMISTRY.201902739349100705
2018Mount St Mary's University Los Angeles, CAB$100,000paidESTABLISHMENT OF THE JOHN STAUFFER ENDOWMENT FUND OR SUMMER UNDERGRADUATE RESSEARCH IN CHEMISTRY AND BIOCHEMISTRY201902739349100705
2018Good Samaritan Hospital Los Angeles, CAU$100,000approved, futurePARTIALLY FUND RENOVATION OF TWO ELECTROPHYSIOLOGY LABS INCLUDING PURCHASE AND INSTALLATION OF EQUIPMENT.201902739349100705
2018University of Pacific Stockton, CAC$100,000paidENDOWMENT FOR SUMMER RESEARCH PROGRAM IN CHEMISTRY.201902739349100705

Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.

Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.

Source filings

Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.

Returns this page is derived from
FormTax yearPeriod endFiledSchemaIRS OBJECT_ID
990PF20252025-12-31not stated2025v4.1202601289349102110
990PF20242024-12-31not stated2024v5.0202510849349100411
990PF20232023-12-31not stated2023v5.0202401699349100710
990PF20232023-12-31not stated2023v6.0202533449349100413
990PF20222022-12-31not stated2022v5.0202333179349100638
990PF20222022-12-31not stated2022v5.0202503449349100210
990PF20212021-12-31not stated2021v4.0202212589349101516
990PF20202020-12-31not stated2020v4.0202142379349100314
990PF20192019-12-31not stated2019v5.0202001969349102095
990PF20182018-12-31not stated2018v3.1201902739349100705

Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/237434707.json.

The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.

This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.