Chain of custody receipt

Source #4117

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: Positively Kai Foundation — 2023 (EIN: 87-2029806)
Original URLhttps://projects.propublica.org/nonprofits/download-filing?path=IRS%2F872029806_202312_990_2025021423097092.pdf
PublicationIRS Form 990 via ProPublica Nonprofit Explorer
Source typeform_990
Date2023
EntityPositively Kai Foundation
Captured2026-04-12T01:49:46.599Z UTC
Hash computed at2026-04-12T01:49:46.599Z UTC
SHA-25606ceda291e8112567d4b11fcb4d6e09fb3ec98b04d7ae295e869e5d23a435dff
Content length2,872 bytes
Content preview (first 800 chars)
{
  "organization": {
    "id": 872029806,
    "ein": 872029806,
    "name": "Positively Kai Foundation",
    "careofname": null,
    "address": "PO BOX 790191",
    "city": "Paia",
    "state": "HI",
    "zipcode": "[ZIP+4 redacted]",
    "exemption_number": 0,
    "subsection_code": 3,
    "affiliation_code": 3,
    "classification_codes": "1200",
    "ruling_date": "2021-10-01",
    "deductibility_code": 1,
    "foundation_code": 16,
    "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": 242116,
    "income_amount": 203484…

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/4117/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4117/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4117/receipt.json