Chain of custody receipt

Source #45172

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 — Center Safety (2018-07-18)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Center%20for%20AI%20Safety%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2018-07-18
EntityCenter for AI Safety
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:01:59.649Z UTC
SHA-256774692ab226b20f7dc5fd13c16fd390971de002a69ff6575dc38a2f1b75ea681
Content length578 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001614067"
  ],
  "period_ending": null,
  "file_num": [
    "333-226232"
  ],
  "display_names": [
    "Aridis Pharmaceuticals, Inc.  (ARDS)  (CIK 0001614067)"
  ],
  "xsl": null,
  "sequence": 9,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2018-07-18",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "2834"
  ],
  "form": "S-1",
  "adsh": "0001047469-18-005075",
  "film_num": [
    "18958999"
  ],
  "biz_locations": [
    "San Jose, CA"
  ],
  "file_type": "EX-10.4",
  "file_description": "EX-10.4",
  "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/45172/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/45172/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/45172/receipt.json