Chain of custody receipt

Source #73154

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 — Madison Management, Inc. (2009-03-27)
Original URLhttps://www.sec.gov/Archives/edgar/data/1451298/000107704809000035/0001077048-09-000035-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2009-03-27
EntityMadison PAC; The
Captured2026-09-28T12:54:07.711Z UTC
Hash computed at2026-09-28T12:54:07.711Z UTC
SHA-256e9d3231b43e079bdb1c7f41df281957d0d6c4aa857cb581a36c8f87381c30c14
Content length622 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001451298"
  ],
  "period_ending": "2009-03-27",
  "file_num": [
    "333-156352"
  ],
  "display_names": [
    "Madison Management, Inc.  (CIK 0001451298)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2009-03-27",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "8742"
  ],
  "form": "10-K",
  "adsh": "0001077048-09-000035",
  "film_num": [
    "09710163"
  ],
  "biz_locations": [
    "Lincoln, CA"
  ],
  "file_type": "10-K",
  "file_description": "ANNUAL REPORT FOR THE FISCAL YEAR 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/73154/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/73154/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/73154/receipt.json