Chain of custody receipt

Source #49757

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.

TitleResearch: Prager University Foundation — IRS Form 990 filings (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typeform_990
Date2026
EntityPrager University Foundation
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T06:56:51.847Z UTC
SHA-256e4d93b58c140a8ea164719f793e5e440e9f6b264bde5454f86128dfcbb52a610
Content length264 bytes
Content preview (first 800 chars) 
No IRS Form 990 filings found for "Prager University Foundation" (5 candidates rejected at disambiguation — likely name collision). This may be due to name variations, subsidiary filings, or limited search coverage — not necessarily absence from public record.

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/49757/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/49757/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/49757/receipt.json