Chain of custody receipt

Source #42766

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 — Samsung Electronics (2013-10-22)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Samsung%20Electronics%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2013-10-22
EntitySamsung Electronics
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:08:53.614Z UTC
SHA-2560a55b0684af17bf0e62c26660d413438df48a2b1d214b866822b0e95e704c836
Content length692 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001137789",
    "0000879316"
  ],
  "period_ending": null,
  "file_num": [
    "005-78870"
  ],
  "display_names": [
    "Seagate Technology plc  (STX)  (CIK 0001137789)",
    "SAMSUNG ELECTRONICS CO LTD /FI  (CIK 0000879316)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "SC 13D"
  ],
  "file_date": "2013-10-22",
  "biz_states": [
    "L2",
    "M5"
  ],
  "sics": [
    "3572"
  ],
  "form": "SC 13D/A",
  "adsh": "0001193125-13-406331",
  "film_num": [
    "131163186"
  ],
  "biz_locations": [
    "Dublin 2, L2",
    "Korea, M5"
  ],
  "file_type": "SC 13D/A",
  "file_description": "SC 13D/A",
  "inc_states": [
    "L2",
    "M5"
  ],
  "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/42766/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/42766/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/42766/receipt.json