Chain of custody receipt

Source #5388

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 typeweb_search
Date2008-12-16
EntityTennessee Valley Authority
Captured2026-04-12T17:40:27.823Z UTC
Hash computed at2026-04-12T17:40:27.823Z UTC
SHA-256093abd908a9678886adc514ee2ed6ae5323f8bfd39e2eb00b03c73604e200436
Content length60,157 bytes
Content preview (first 800 chars)
{"took":774,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":3486,"relation":"eq"},"max_score":19.035355,"hits":[{"_index":"edgar_file","_id":"0001376986-10-000047:exhibit10_4.htm","_score":19.035355,"_source":{"ciks":["0001376986"],"period_ending":"2010-06-30","file_num":["000-52313"],"display_names":["Tennessee Valley Authority (TVC, TVE) (CIK 0001376986)"],"xsl":null,"sequence":5,"root_forms":["10-Q"],"file_date":"2010-08-02","biz_states":["TN"],"sics":["4911"],"form":"10-Q","adsh":"0001376986-10-000047","film_num":["10983756"],"biz_locations":["Knoxville, TN"],"file_type":"EX-10.4","file_description":"JP MORGAN CHASE BANK BUY BACK…

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/5388/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5388/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5388/receipt.json