Chain of custody receipt

Source #46869

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.

TitleSEC EDGAR: filing — Tennessee Valley Authority (2008-12-16)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Tennessee%20Valley%20Authority%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2008-12-16
EntityTennessee Valley Authority
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T04:18:48.919Z UTC
SHA-2564de8ba1e002ceb9a1c074d510463a080091a5a5e4cc5485948b4fa158c9faec0
Content length591 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001376986"
  ],
  "period_ending": "2008-09-30",
  "file_num": [
    "000-52313"
  ],
  "display_names": [
    "Tennessee Valley Authority  (TVC, TVE)  (CIK 0001376986)"
  ],
  "xsl": null,
  "sequence": 5,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2008-12-16",
  "biz_states": [
    "TN"
  ],
  "sics": [
    "4911"
  ],
  "form": "10-K",
  "adsh": "0001376986-08-000067",
  "film_num": [
    "081252497"
  ],
  "biz_locations": [
    "Knoxville, TN"
  ],
  "file_type": "EX-10.19",
  "file_description": "BUY-BACK AGREEMENT",
  "inc_states": [],
  "items": []
}

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/46869/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/46869/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/46869/receipt.json