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.
| Title | Donor mapping evidence: Koch Industries PAC contributed $80,000 to Nunn's campaign over his career throu |
|---|---|
| Original URL | https://congressmachine.com/member/N000193/rep-nunn-zachary-r-ia-3 |
| Publication | FEC / handoff |
| Source type | congress_handoff |
| Date | — |
| Entity | Zachary Nunn |
| Captured | 2026-04-28T05:57:13.343Z UTC |
| Hash computed at | 2026-04-28T05:57:13.343Z UTC |
| SHA-256 | 9eb674baff45ba3434378cc59612a6e16b3f0d192ea53c447ec6c8e2687641ee |
| Content length | 552 bytes |
Zachary Nunn - Congress Machine Congress Machine dashboard Dashboard description Bills groups Members account_balance Committees payments Contributors play_circle Videos info About dark_mode wb_sunny Theme Zachary Nunn Republican Iowa - District 3 history_edu Campaign Finance Committee Assignments Sponsored Legislation Cosponsored Legislation Details Party Republican State Iowa Chamber Loading... District 3 Latest Videos Resources open_in_new View on Congress.gov data_object View Member Data Title close
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:
url + '\n' + content and SHA-256 it.Or POST the candidate content to /source/23464/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/23464/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/23464/receipt.json