Chain of custody receipt

Source #48023

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 — Office of Acquisition Management (2021-02-08)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Office%20of%20Acquisition%20Management%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2021-02-08
EntityOffice of Acquisition Management
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T04:14:36.745Z UTC
SHA-256f4dbaade672f1f140820501a4dec9db3c7696b2d23618e5e96088d18dd94be20
Content length662 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000872589"
  ],
  "period_ending": "2020-12-31",
  "file_num": [
    "000-19034"
  ],
  "display_names": [
    "REGENERON PHARMACEUTICALS, INC.  (REGN)  (CIK 0000872589)"
  ],
  "xsl": null,
  "sequence": 11,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2021-02-08",
  "biz_states": [
    "NY"
  ],
  "sics": [
    "2834"
  ],
  "form": "10-K",
  "adsh": "0001804220-21-000008",
  "film_num": [
    "21598969"
  ],
  "biz_locations": [
    "Tarrytown, NY"
  ],
  "file_type": "EX-10.34.2",
  "file_description": "MODIFICATION 02 TO PROJECT AGREEMENT BY AND BETWEEN THE REGISTRANT AND ATI",
  "inc_states": [
    "NY"
  ],
  "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/48023/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/48023/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/48023/receipt.json