Chain of custody receipt

Source #77685

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.

TitleFEC committee C00114025: Concretepac
Original URLhttps://www.fec.gov/data/committee/C00114025/
PublicationFederal Election Commission
Source typefec_record
Date2026-10-01
EntityConcretepac
Captured2026-10-01T07:37:59.932Z UTC
Hash computed at2026-10-01T07:37:59.932Z UTC
SHA-256fc20b4b2f7f5eb0ea5650cf6dc27922402e3c1bc7850c47a9ea251e9fce05b60
Content length16,264 bytes
Content preview (first 800 chars)
Federal Election Commission records for committee C00114025 (NATIONAL READY MIXED CONCRETE ASSN. PAC (CONCRETEPAC)).
Profile: committee_type=Q designation=B organization_type=T connected_organization=NATIONAL READY MIXED CONCRETE ASSOC party=
Contributions to members' principal campaign committees (FEC Schedule A, as received by the recipient):
2026	2025-03-28	$5,000	to Tracey Mann (R-KS) [C00460659]	line 11C
2026	2025-03-31	$5,000	to David Rouzer (R-NC) [C00501643]	line 11C
2026	2026-03-31	$5,000	to David Rouzer (R-NC) [C00501643]	line 11C
2026	2026-03-10	$5,000	to Cindy Hyde-Smith (R-MS) [C00675348]	line 11C
2026	2026-04-21	$5,000	to Brian K. Fitzpatrick (R-PA) [C00607416]	line 11C
2026	2025-03-31	$5,000	to Jason Smith (R-MO) [C00541862]	line 11C
2026	2026-03-26	$5,000	to Rick Larsen…

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/77685/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/77685/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/77685/receipt.json