Chain of custody receipt

Source #62110

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 — ConocoPhillips (2016-02-23)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22ConocoPhillips%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2016-02-23
EntityConocoPhillips
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T02:34:47.486Z UTC
SHA-25657700491a55a32b1697aa653c1838c41b5528f4aa58d18c22a1dc2896997d08b
Content length569 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001163165"
  ],
  "period_ending": "2015-12-31",
  "file_num": [
    "001-32395"
  ],
  "display_names": [
    "CONOCOPHILLIPS  (COP)  (CIK 0001163165)"
  ],
  "xsl": null,
  "sequence": 15,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2016-02-23",
  "biz_states": [
    "TX"
  ],
  "sics": [
    "2911"
  ],
  "form": "10-K",
  "adsh": "0001193125-16-472901",
  "film_num": [
    "161447416"
  ],
  "biz_locations": [
    "Houston, TX"
  ],
  "file_type": "EX-21",
  "file_description": "EX-21",
  "inc_states": [
    "DE"
  ],
  "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/62110/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62110/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62110/receipt.json