Chain of custody receipt

Source #15611

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 — Applied Materials Korea (AMK) (2010-12-10)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Applied%20Materials%20Korea%20(AMK)%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2010-12-10
EntityApplied Materials Korea (AMK)
Captured2026-04-23T09:06:57.810Z UTC
Hash computed at2026-04-23T09:06:57.810Z UTC
SHA-2560820c1653b44681e58fe99015e507f64dd795bdb7552bae1fcb2f70227388e7b
Content length20,969 bytes
Content preview (first 800 chars) 
{"took":3512,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":36,"relation":"eq"},"max_score":23.820005,"hits":[{"_index":"edgar_file","_id":"0000950123-11-019761:R19.xml","_score":23.820005,"_source":{"ciks":["0000006951"],"period_ending":"2011-01-30","file_num":["000-06920"],"display_names":["APPLIED MATERIALS INC /DE (AMAT) (CIK 0000006951)"],"xsl":null,"sequence":15,"root_forms":["10-Q"],"file_date":"2011-02-28","biz_states":["CA"],"sics":["3674"],"form":"10-Q","adsh":"0000950123-11-019761","film_num":["11646224"],"biz_locations":["Santa Clara, CA"],"file_type":"XML","file_description":"IDEA: Warranty, Guarantees and…

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/15611/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/15611/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/15611/receipt.json