Cryptographic attestation that the document below was captured in Goblin House's archive at the timestamp shown, with the hash listed. If the original URL goes dark or its content changes, this receipt remains as evidence of what the public record looked like at capture time.
| Title | IRS Form 990EZ: Hyper Igm Foundation — 2023 (EIN: 47-4048626) |
|---|---|
| Original URL | https://projects.propublica.org/nonprofits/organizations/474048626 |
| Publication | IRS Form 990 via ProPublica Nonprofit Explorer |
| Source type | form_990 |
| Date | 2023 |
| Entity | Hyper Foundation |
| Captured | 2026-04-12T17:40:44.230Z UTC |
| Hash computed at | 2026-04-12T17:40:44.230Z UTC |
| SHA-256 | 743eb946b3d417aaae0228b8b334059f7c196d4bddaacdd3bedff54ce240ac61 |
| Content length | 2,315 bytes |
{
"organization": {
"id": 474048626,
"ein": 474048626,
"name": "Hyper Igm Foundation",
"careofname": "% AKIVA ZABLOCKI",
"address": "680 WEST END AVE STE 12D",
"city": "New York",
"state": "NY",
"zipcode": "[ZIP+4 redacted]",
"exemption_number": 0,
"subsection_code": 3,
"affiliation_code": 3,
"classification_codes": "1280",
"ruling_date": "2015-06-01",
"deductibility_code": 1,
"foundation_code": 15,
"activity_codes": "000000000",
"organization_code": 1,
"exempt_organization_status_code": 1,
"tax_period": "2024-12-01",
"asset_code": 4,
"income_code": 3,
"filing_requirement_code": 1,
"pf_filing_requirement_code": 0,
"accounting_period": 12,
"asset_amount": 391854,
"income_amount"…
The hash above was computed as:
sha256( coalesce(url, '<no-url>') || '\n' || raw_content )
Anyone with a copy of the original document can verify the match:
url + '\n' + content and SHA-256 it.Or POST the candidate content to /source/5439/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/5439/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/5439/receipt.json