Chain of custody receipt

Source #4108

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: Leader2 Leader (EIN: 39-4679902)
Original URLhttps://projects.propublica.org/nonprofits/organizations/394679902
PublicationIRS Form 990 via ProPublica Nonprofit Explorer
Source typeform_990
Date2026
EntityLeander
Captured2026-04-12T01:49:46.075Z UTC
Hash computed at2026-04-12T01:49:46.075Z UTC
SHA-256f6b2542ec38006aba16c92604a03a30c5887a102c6e54a49a4cee42f4ac86548
Content length1,586 bytes
Content preview (first 800 chars)
{
  "organization": {
    "id": 394679902,
    "ein": 394679902,
    "name": "Leader2 Leader",
    "careofname": "% JEFF SCHULTE",
    "address": "2926 A FOSTER CREIGHTON DR ST 101",
    "city": "Nashville",
    "state": "TN",
    "zipcode": "[ZIP+4 redacted]",
    "exemption_number": 0,
    "subsection_code": 3,
    "affiliation_code": 3,
    "classification_codes": "1000",
    "ruling_date": "2025-12-01",
    "deductibility_code": 1,
    "foundation_code": 15,
    "activity_codes": "000000000",
    "organization_code": 1,
    "exempt_organization_status_code": 1,
    "tax_period": null,
    "asset_code": 0,
    "income_code": 0,
    "filing_requirement_code": 1,
    "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/4108/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4108/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4108/receipt.json