Chain of custody receipt

Source #681

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 — Trae Stephens (2021-06-21)
Original URLhttps://www.sec.gov/cgi-bin/browse-edgar?company=Trae%20Stephens&CIK=&type=&dateb=&owner=include&count=40&search_text=&action=getcompany
PublicationSEC EDGAR
Source typediscovery_scope_note
Date2021-06-21
EntityTrae Stephens
Captured2026-04-06T03:09:30.141Z UTC
Hash computed at2026-04-06T03:09:30.141Z UTC
SHA-256b09dab2a43d44cf153a20d3b78f80a29650570020340141ca65a7a5277645dca
Content length570 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001855747"
  ],
  "period_ending": null,
  "file_num": [
    "333-257223"
  ],
  "display_names": [
    "Blend Labs, Inc.  (BLND)  (CIK 0001855747)"
  ],
  "xsl": null,
  "sequence": 4,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2021-06-21",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "7370"
  ],
  "form": "S-1",
  "adsh": "0001193125-21-194971",
  "film_num": [
    "211030272"
  ],
  "biz_locations": [
    "San Francisco, CA"
  ],
  "file_type": "EX-4.2",
  "file_description": "EX-4.2",
  "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/681/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/681/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/681/receipt.json