Chain of custody receipt

Source #4247

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: Acts17 Six Inc — 2021 (EIN: 83-1969818)
Original URLhttps://projects.propublica.org/nonprofits/download-filing?path=IRS%2F831969818_202112_990_2025011723014071.pdf
PublicationIRS Form 990 via ProPublica Nonprofit Explorer
Source typeform_990
Date2021
EntityACTS17
Captured2026-04-12T01:50:38.191Z UTC
Hash computed at2026-04-12T01:50:38.191Z UTC
SHA-256f8ae00fa2531b197ad8747bd49f425b74a99b7c33c68a88016c6b2747b58a0b7
Content length2,872 bytes
Content preview (first 800 chars)
{
  "organization": {
    "id": 831969818,
    "ein": 831969818,
    "name": "Acts17 Six Inc",
    "careofname": null,
    "address": "1865 JORDAN AVE NW",
    "city": "Cleveland",
    "state": "TN",
    "zipcode": "[ZIP+4 redacted]",
    "exemption_number": 0,
    "subsection_code": 3,
    "affiliation_code": 3,
    "classification_codes": "7000",
    "ruling_date": "2019-12-01",
    "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": 4,
    "filing_requirement_code": 1,
    "pf_filing_requirement_code": 0,
    "accounting_period": 12,
    "asset_amount": 441317,
    "income_amount": 280540,
    "revenue_amount"…

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/4247/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4247/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4247/receipt.json