Chain of custody receipt

Source #72086

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: National Postal Mail Handlers Union - Division Of Laborers' Int'L Union Of North America not found in opencorporates
Original URL(none — typed-API result with no web URL)
PublicationPipeline — search validation (opencorporates)
Source typeclaim_flag
Date2026-09-28
EntityNational Postal Mail Handlers Union - Division Of Laborers' Int'L Union Of North America
Captured2026-09-28T12:22:30.306Z UTC
Hash computed at2026-09-28T12:22:30.306Z UTC
SHA-256c00681cdb3001a2d481ab1174bd2d0847bb804427167ebd32cac09a7917bc8a5
Content length329 bytes
Content preview (first 800 chars) 
Entity National Postal Mail Handlers Union - Division Of Laborers' Int'L Union Of North America 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/72086/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/72086/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/72086/receipt.json