Chain of custody receipt

Source #9179

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 — Maria Bucher (2012-07-10)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Maria%20Bucher%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2012-07-10
EntityMaria Bucher
Captured2026-04-13T20:28:21.896Z UTC
Hash computed at2026-04-13T20:28:21.896Z UTC
SHA-25642e4b670609856ba27b2fd6413eb287c3036c74695277e46cefb74a3246708c4
Content length18,830 bytes
Content preview (first 800 chars) 
{"took":495,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":30,"relation":"eq"},"max_score":25.759018,"hits":[{"_index":"edgar_file","_id":"0001104659-12-048266:a12-16145_1sc13da.htm","_score":25.759018,"_source":{"ciks":["0000356028","0001068730"],"period_ending":null,"file_num":["005-33739"],"display_names":["CA, INC. (CIK 0000356028)","CAREAL HOLDING AG (CIK 0001068730)"],"xsl":null,"sequence":1,"root_forms":["SC 13D"],"file_date":"2012-07-10","biz_states":["NY"],"sics":["7372"],"form":"SC 13D/A","adsh":"0001104659-12-048266","film_num":["12956182"],"biz_locations":["Islandia, NY","Switzerland"],"file_type":"SC 13D/A","file_description":"SC…

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/9179/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/9179/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/9179/receipt.json