Chain of custody receipt

Source #6139

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	DHS Homeland Security Acquisition Regulation 3002.101
Original URL	https://files.usaspending.gov/reference_data/program_activity.csv
Publication	Directed Inquiry — Web Search
Source type	`web_search`
Date	—
Entity	US Department of Homeland Security (DHS)
Captured	2026-04-12T23:18:05.118Z UTC
Hash computed at	2026-04-12T23:18:05.118Z UTC
SHA-256	`71812b33a4f686bcfecffcbcf6f00125f097b145fc8e69124c15d3322f97d0b3`
Content length	64,092,853 bytes

Content preview (first 800 chars)

REPORTING_PERIOD,AGENCY_IDENTIFIER_NAME,ALLOCATION_TRANSFER_AGENCY_IDENTIFIER_CODE,AGENCY_IDENTIFIER_CODE,MAIN_ACCOUNT_CODE,PROGRAM_ACTIVITY_NAME,PROGRAM_ACTIVITY_CODE,OMB_BUREAU_TITLE_OPTNL,OMB_ACCOUNT_TITLE_OPTNL

FY17Q4 ,Access Board,,310,3200,Salaries and expenses (Direct),0001,,

FY17Q4 ,Access Board,,310,3200,Salaries and Expenses (Direct),0001,,

FY17Q4 ,Access Board,,310,3200,Salaries and Expenses (Reimbursable),0801,,

FY17Q4 ,Administrative Conference of the United States,,302,1700,Salaries and Expenses (Direct),0001,,

FY17Q4 ,Advisory Council on Historic Preservation,,306,2300,Salaries and Expenses (Direct),0001,,

FY17Q4 ,Advisory Council on Historic Preservation,,306,2300,Salaries and Expenses (Reimbursable),0801,,

FY17Q4 ,Advisory Council on Historic…

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:

Take the URL field and the original document content.
Concatenate url + '\n' + content and SHA-256 it.
Compare to the SHA-256 row above.

Or POST the candidate content to /source/6139/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6139/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6139/receipt.json