Chain of custody receipt

Source #65382

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: 10-K — Alternative Construction Company, Inc. (2008-03-07)
Original URLhttps://www.sec.gov/Archives/edgar/data/1337566/000114420408014085/0001144204-08-014085-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2008-03-07
EntityConstruction
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T03:41:10.981Z UTC
SHA-256588450b89b42d3a4da4cd8f0156c8cfb721551fa3846879aa719271fc8659778
Content length582 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001337566"
  ],
  "period_ending": "2007-12-31",
  "file_num": [
    "000-52913"
  ],
  "display_names": [
    "Alternative Construction Company, Inc.  (CIK 0001337566)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2008-03-07",
  "biz_states": [
    "FL"
  ],
  "sics": [
    "3448"
  ],
  "form": "10-K",
  "adsh": "0001144204-08-014085",
  "film_num": [
    "08674967"
  ],
  "biz_locations": [
    "Melbourne, FL"
  ],
  "file_type": "10-K",
  "file_description": null,
  "inc_states": [
    "FL"
  ],
  "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/65382/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65382/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65382/receipt.json