Grants paid by Abraham I & Jean Sherr Foundation Inc
EIN 13-6100738 · New York, NY · Form 990-PF, Part XV
Abraham I & Jean Sherr Foundation Inc of New York, NY (EIN 13-6100738) reported 125 grants paid totaling $289,835 to 38 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$289,835
125 grants
Recipients
38
distinct organizations
Tax years
2018–2025
8 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 22 | $46,068 | — |
| 2019 | 20 | $45,085 | — |
| 2020 | 16 | $51,275 | — |
| 2021 | 15 | $56,620 | — |
| 2022 | 14 | $24,975 | — |
| 2023 | 15 | $23,337 | — |
| 2024 | 12 | $17,275 | — |
| 2025 | 11 | $25,200 | — |
Top recipients
The 38 recipients receiving the most from Abraham I & Jean Sherr Foundation Inc, by grants paid, out of 38 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| The Society for the Advancement of 13-1628193 | C | New York, NY | 8 | $75,169 | 2025 |
| Jewish Community Center | U | New York, NY | 4 | $60,450 | 2021 |
| New York Zen Center Contemplative C 20-8452673 | D | New York, NY | 3 | $37,500 | 2023 |
| Food Bank of NYC 13-3179546 | D | Bronx, NY | 6 | $21,500 | 2023 |
| Skidmore College | U | Saratoga Springs, NY | 2 | $20,000 | 2022 |
| The Park Avenue Synagogue 13-6931471 | C | New York, NY | 9 | $17,396 | 2025 |
| The Museum of Modern Art 13-1624100 | B | New York, NY | 8 | $8,985 | 2025 |
| Hebrew Free Loan Society 13-5562239 | B | New York, NY | 1 | $7,500 | 2019 |
| The Metropolitan Museum of Art 13-1624086 | B | New York, NY | 7 | $4,800 | 2025 |
| Search Care Inc | U | New York, NY | 6 | $3,800 | 2025 |
| Temple Emanuel | U | New York, NY | 1 | $3,600 | 2025 |
| Hearing Health Foundation 13-1882107 | C | New York, NY | 7 | $3,350 | 2024 |
| Barnard College 13-1628149 | B | New York, NY | 6 | $2,700 | 2023 |
| Interfaith Center of New York 13-3926970 | B | New York, NY | 1 | $2,000 | 2024 |
| The Brigid Alliance 82-3843989 | B | New York, NY | 1 | $2,000 | 2024 |
| Hebrew Immigrant Aid Society | U | New York, NY | 1 | $2,000 | 2024 |
| City Harvest 13-3170676 | C | New York, NY | 4 | $1,750 | 2024 |
| City Meals On Wheels | U | New York, NY | 5 | $1,750 | 2024 |
| American Museum of Natural History | U | New York, NY | 2 | $1,725 | 2019 |
| Whitney Museum of American Art 13-1789318 | B | New York, NY | 5 | $1,550 | 2025 |
| Masters School 13-1740472 | B | Dobbs Ferry, NY | 1 | $1,500 | 2018 |
| US Holocaust Memorial Museum | U | Washington, DC | 3 | $1,100 | 2020 |
| Habitat for Hummanity | U | New York, NY | 4 | $1,100 | 2021 |
| Friends of Alyn Hospital | U | New York, NY | 5 | $1,000 | 2023 |
| The Jewish Museum 13-6146854 | B | New York, NY | 2 | $975 | 2019 |
| Sarah Lawrence College 23-7223216 | B | Bronxville, NY | 5 | $650 | 2025 |
| The Brearley School 13-1623915 | B | New York, NY | 3 | $550 | 2023 |
| Columbia University 82-2244803 | B | New York, NY | 5 | $500 | 2025 |
| The Milton Erickson Foundation 95-3560037 | D | Phoenix, AZ | 1 | $500 | 2018 |
| The Doe Fund 13-3412540 | B | New York, NY | 1 | $375 | 2022 |
| Friends of Alys Hospital | U | New York, NY | 1 | $360 | 2018 |
| Lighthouse Guild 46-4215298 | C | New York, NY | 1 | $350 | 2018 |
| Springs Food Pantry 83-3526565 | B | East Hampton, NY | 1 | $250 | 2022 |
| Fund for the City of New York | U | New York, NY | 1 | $250 | 2019 |
| Child Mind Institute 80-0478843 | B | New York, NY | 1 | $250 | 2020 |
| Mended Hearts Inc | U | Dallas, TX | 1 | $250 | 2019 |
| Friday Soup Kitchen | U | New York, NY | 1 | $200 | 2025 |
| Guggenheim Museum 20-5669317 | D | New York, NY | 1 | $150 | 2025 |
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 125 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | The Society for the Advancement of New York, NY | C | $17,165 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | Temple Emanuel New York, NY | U | $3,600 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | The Museum of Modern Art New York, NY | B | $1,385 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | The Park Avenue Synagogue New York, NY | C | $950 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | The Metropolitan Museum of Art New York, NY | B | $600 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | Search Care Inc New York, NY | U | $600 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | Whitney Museum of American Art New York, NY | B | $350 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | Friday Soup Kitchen New York, NY | U | $200 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | Guggenheim Museum New York, NY | D | $150 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | Columbia University New York, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2025 | Sarah Lawrence College Bronxville, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202600829349100720 |
| 2024 | The Society for the Advancement of New York, NY | C | $6,351 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | The Brigid Alliance New York, NY | B | $2,000 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | Interfaith Center of New York New York, NY | B | $2,000 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | Hebrew Immigrant Aid Society New York, NY | U | $2,000 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | The Museum of Modern Art New York, NY | B | $1,750 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | The Park Avenue Synagogue New York, NY | C | $974 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | Metropolitan Museum of Art New York, NY | B | $600 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | Hearing Health Foundation New York, NY | C | $450 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | City Meals On Wheels New York, NY | U | $400 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | City Harvest New York, NY | C | $350 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | Whitney Museum of American Art New York, NY | B | $300 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2024 | Sarah Lawrence College Bronxville, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202500849349100110 |
| 2023 | New York Zen Center Contemplative C New York, NY | D | $10,000 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | The Society for the Advancement of New York, NY | C | $5,538 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | Food Bank of NYC Bronx, NY | D | $2,000 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | The Museum of Modern Art New York, NY | B | $1,150 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | The Park Avenue Synagogue New York, NY | C | $949 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | Search Care Inc New York, NY | U | $900 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | The Metropolitan Museum of Art New York, NY | B | $600 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | Barnard College New York, NY | B | $500 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | Hearing Health Foundation New York, NY | C | $500 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | City Meals On Wheels New York, NY | U | $300 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | Whitney Museum of American Art New York, NY | B | $300 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | The Brearley School New York, NY | B | $200 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | Friends of Alyn Hospital New York, NY | U | $200 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | Sarah Lawrence College Bronxville, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2023 | Columbia University New York, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202440819349100519 |
| 2022 | Skidmore College Saratoga Springs, NY | U | $10,000 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | The Society for the Advancement of New York, NY | C | $5,010 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | Food Bank of NYC Bronx, NY | D | $3,000 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | The Park Avenue Synagogue New York, NY | C | $2,540 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | The Museum of Modern Art New York, NY | B | $1,100 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | The Metropolitan Museum of Art New York, NY | B | $600 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | Hearing Health Foundation New York, NY | C | $500 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | Barnard College New York, NY | B | $500 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | Search Care Inc New York, NY | U | $400 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | The Doe Fund New York, NY | B | $375 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | City Meals On Wheels New York, NY | U | $250 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | Springs Food Pantry East Hampton, NY | B | $250 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | The Park Avenue Synagogue New York, NY | C | $250 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2022 | Friends of Alyn Hospital New York, NY | U | $200 | paid | To enable the institution to continue their public charitable role. | 202300829349100115 |
| 2021 | Jewish Community Center New York, NY | U | $25,000 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | Skidmore College Saratoga Springs, NY | U | $10,000 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | The Society for the Advancement of New York, NY | C | $9,990 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | Food Bank of NYC Bronx, NY | D | $4,000 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | The Park Avenue Synagogue New York, NY | C | $2,780 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | The Museum of Modern Art New York, NY | B | $1,200 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | Search Care Inc New York, NY | U | $900 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | The Metropolitan Museum of Art New York, NY | B | $600 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | Barnard College New York, NY | B | $500 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | City Meals On Wheels New York, NY | U | $500 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | Hearing Health Foundation New York, NY | C | $500 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | Friends of Alyn Hospital New York, NY | U | $250 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | Habitat for Hummanity New York, NY | U | $200 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | The Brearley School New York, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2021 | Sarah Lawrence College Bronxville, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202200909349100410 |
| 2020 | Jewish Community Center New York, NY | U | $25,000 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | The Society for the Advancement of New York, NY | C | $16,035 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Food Bank of NYC Bronx, NY | D | $4,000 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | The Park Avenue Synagogue New York, NY | C | $2,740 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | The Museum of Modern Art New York, NY | B | $600 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | City Harvest New York, NY | C | $400 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Hearing Health Foundation New York, NY | C | $400 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | US Holocaust Memorial Museum Washington, DC | U | $300 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | City Meals On Wheels New York, NY | U | $300 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Whitney Museum of American Art New York, NY | B | $300 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Habitat for Hummanity New York, NY | U | $300 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Child Mind Institute New York, NY | B | $250 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Sarah Lawrence College Bronxville, NY | B | $250 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Barnard College New York, NY | B | $200 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Friends of Alyn Hospital New York, NY | U | $100 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2020 | Columbia University New York, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202110829349100021 |
| 2019 | New York Zen Center Contemplative C New York, NY | D | $10,000 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Jewish Community Center New York, NY | U | $10,000 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Hebrew Free Loan Society New York, NY | B | $7,500 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | The Society for the Advancement of New York, NY | C | $5,010 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Food Bank of NYC Bronx, NY | D | $4,500 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | The Park Avenue Synagogue New York, NY | C | $2,600 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | The Museum of Modern Art New York, NY | B | $600 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | The Metropolitan Museum of Art New York, NY | B | $600 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | American Museum of Natural History New York, NY | U | $575 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Hearing Health Foundation New York, NY | C | $500 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Search Care Inc New York, NY | U | $500 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Barnard College New York, NY | B | $500 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | US Holocaust Memorial Museum Washington, DC | U | $400 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | City Harvest New York, NY | C | $400 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Habitat for Hummanity New York, NY | U | $300 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Fund for the City of New York New York, NY | U | $250 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Friends of Alyn Hospital New York, NY | U | $250 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | The Jewish Museum New York, NY | B | $250 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Mended Hearts Inc Dallas, TX | U | $250 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2019 | Columbia University New York, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 202030809349100803 |
| 2018 | New York Zen Center Contemplative C New York, NY | D | $17,500 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | The Society for the Advancement of New York, NY | C | $10,070 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Food Bank of NYC Bronx, NY | D | $4,000 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | The Park Avenue Synagogue New York, NY | C | $3,613 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Masters School Dobbs Ferry, NY | B | $1,500 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | The Museum of Modern Art New York, NY | B | $1,200 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | The Metropolitan Museum of Art New York, NY | B | $1,200 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | American Museum of Natural History New York, NY | U | $1,150 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | The Jewish Museum New York, NY | B | $725 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | City Harvest New York, NY | C | $600 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Barnard College New York, NY | B | $500 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | The Milton Erickson Foundation Phoenix, AZ | D | $500 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Hearing Health Foundation New York, NY | C | $500 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Search Care Inc New York, NY | U | $500 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Jewish Community Center New York, NY | U | $450 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | US Holocaust Memorial Museum Washington, DC | U | $400 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Friends of Alys Hospital New York, NY | U | $360 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Lighthouse Guild New York, NY | C | $350 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Whitney Museum of American Art New York, NY | B | $300 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Habitat for Hummanity New York, NY | U | $300 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | The Brearley School New York, NY | B | $250 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
| 2018 | Columbia University New York, NY | B | $100 | paid | To enable the institution to continue their public charitable role. | 201910889349100201 |
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.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.0 | 202600829349100720 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.0 | 202500849349100110 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202440819349100519 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202300829349100115 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.0 | 202200909349100410 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202110829349100021 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.0 | 202030809349100803 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201910889349100201 |
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/136100738.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.