Chain of custody receipt

Source #73155

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/A — Madison Management, Inc. (2009-05-06)
Original URLhttps://www.sec.gov/Archives/edgar/data/1451298/000107704809000057/0001077048-09-000057-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2009-05-06
EntityMadison PAC; The
Captured2026-09-28T12:54:07.721Z UTC
Hash computed at2026-09-28T12:54:07.721Z UTC
SHA-256d2fb9284cfc09b185f75d0638072e50d024dd8ebff87394d610ab68092f0a85a
Content length661 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001451298"
  ],
  "period_ending": "2008-12-31",
  "file_num": [
    "333-156352"
  ],
  "display_names": [
    "Madison Management, Inc.  (CIK 0001451298)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2009-05-06",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "8742"
  ],
  "form": "10-K/A",
  "adsh": "0001077048-09-000057",
  "film_num": [
    "09799075"
  ],
  "biz_locations": [
    "Lincoln, CA"
  ],
  "file_type": "10-K/A",
  "file_description": "AMENDMENT TO MADISON MANAGEMENT'S ANNUAL REPORT FILED FOR THE PERIOD ENDED DECEMBER 31, 2008",
  "inc_states": [
    "NV"
  ],
  "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/73155/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/73155/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/73155/receipt.json