Chain of custody receipt

Source #13872

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.

TitleAP review of Bloomberg Family Foundation tax filings
Original URLhttps://ncrp.org/resources/learning-from-emerson-collectives-philanthropic-recipe-for-these-times/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2014-2018
EntityBloomberg Philanthropies
Captured2026-04-23T07:35:26.631Z UTC
Hash computed at2026-04-23T07:35:26.631Z UTC
SHA-25689321bb508fb08d7e4aa8af9b6ff86d0e0bf025962dfb0be41a316e034c10872
Content length84 bytes
Content preview (first 800 chars) 
Bloomberg Philanthropies spent $1.65 billion from 2014-2018 according to tax filings

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/13872/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/13872/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/13872/receipt.json