Chain of custody receipt

Source #71344

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 Concrete Masonry Assoc. PAC 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 Concrete Masonry Assoc. PAC
Captured2026-09-28T11:59:31.881Z UTC
Hash computed at2026-09-28T11:59:31.881Z UTC
SHA-25616d29faf2823936d4611934f68b8fa3dc6a0a4ef685384d2217552a2a7ddba57
Content length277 bytes
Content preview (first 800 chars) 
Entity National Concrete Masonry Assoc. PAC 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/71344/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/71344/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/71344/receipt.json