Chain of custody receipt

Source #65829

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: SC 13G — SAMSUNG ELECTRONICS CO LTD /FI (2010-01-27)
Original URLhttps://www.sec.gov/Archives/edgar/data/917273/000090951810000035/0000909518-10-000035-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2010-01-27
EntitySamsung Electronics
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T05:21:31.141Z UTC
SHA-2567fc75a4a8986b108e179715d626091f001c7a41912f8114cfb2cead54d317330
Content length671 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000917273",
    "0000879316"
  ],
  "period_ending": null,
  "file_num": [
    "005-53267"
  ],
  "display_names": [
    "RAMBUS INC  (RMBS)  (CIK 0000917273)",
    "SAMSUNG ELECTRONICS CO LTD /FI  (CIK 0000879316)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "SC 13G"
  ],
  "file_date": "2010-01-27",
  "biz_states": [
    "CA",
    "M5"
  ],
  "sics": [
    "3674"
  ],
  "form": "SC 13G",
  "adsh": "0000909518-10-000035",
  "film_num": [
    "10551324"
  ],
  "biz_locations": [
    "Los Altos, CA",
    "Korea, M5"
  ],
  "file_type": "SC 13G",
  "file_description": null,
  "inc_states": [
    "DE",
    "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/65829/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65829/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65829/receipt.json