Chain of custody receipt

Source #40556

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: The Stagwell Group LLC not found in opencorporates
Original URL(none — typed-API result with no web URL)
PublicationPipeline — search validation (opencorporates)
Source typeclaim_flag
Date2026-05-09
EntityThe Stagwell Group LLC
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:15:17.880Z UTC
SHA-256fb243a289ebd80a13647c8f715af1ae52c6bcd8d326d10f6f28998e05afa8e18
Content length263 bytes
Content preview (first 800 chars) 
Entity The Stagwell Group LLC is expected to appear in opencorporates (matches profile: 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/40556/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/40556/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/40556/receipt.json