Chain of custody receipt

Source #5444

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.

TitleIRS Form 990: Hype Nj Foundation (EIN: 93-3814027)
Original URLhttps://projects.propublica.org/nonprofits/organizations/933814027
PublicationIRS Form 990 via ProPublica Nonprofit Explorer
Source typeform_990
Date2026
EntityHyper Foundation
Captured2026-04-12T17:40:44.298Z UTC
Hash computed at2026-04-12T17:40:44.298Z UTC
SHA-256e3c69b0b3a0bbb843a7c2eb209b8654c3823e2382f226593802cc511b455ae29
Content length1,585 bytes
Content preview (first 800 chars)
{
  "organization": {
    "id": 933814027,
    "ein": 933814027,
    "name": "Hype Nj Foundation",
    "careofname": null,
    "address": "2312 WHITEHORSE MERCERVILLE RD",
    "city": "Hamilton Township",
    "state": "NJ",
    "zipcode": "[ZIP+4 redacted]",
    "exemption_number": 0,
    "subsection_code": 3,
    "affiliation_code": 3,
    "classification_codes": "1000",
    "ruling_date": "2023-10-01",
    "deductibility_code": 1,
    "foundation_code": 15,
    "activity_codes": "000000000",
    "organization_code": 5,
    "exempt_organization_status_code": 1,
    "tax_period": null,
    "asset_code": 0,
    "income_code": 0,
    "filing_requirement_code": 2,
    "pf_filing_requirement_code": 0,
    "accounting_period": 12,
    "asset_amount": null,
    "income_amount": null…

Verifying this receipt

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:

  1. Take the URL field and the original document content.
  2. Concatenate url + '\n' + content and SHA-256 it.
  3. Compare to the SHA-256 row above.

Or POST the candidate content to /source/5444/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5444/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5444/receipt.json