Chain of custody receipt

Source #62842

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.

TitleSEARCH_ERROR: Stephen Schwartzman / Blackstone Group not found in usaspending
Original URL(none — typed-API result with no web URL)
PublicationPipeline — search validation (usaspending)
Source typeclaim_flag
Date2026-05-25
EntityStephen Schwartzman / Blackstone Group
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:24:48.758Z UTC
SHA-256dba1a05d8374c80f9a80bb7210454d0e7d26217c723d1cb91abd218ae8b5ecbf
Content length298 bytes
Content preview (first 800 chars) 
Entity Stephen Schwartzman / Blackstone Group is expected to appear in usaspending (matches profile: usaspending, sam_gov, opencorporates). Null result likely indicates query mismatch (legal-name variant, subsidiary, or wrong identifier). No alternate identifiers stored — manual review required.

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/62842/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62842/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62842/receipt.json