Chain of custody receipt

Source #61995

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 — AAOS (2008-03-18)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22American%20Assn%20of%20Orthopaedic%20Surgeons%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2008-03-18
EntityAmerican Assn of Orthopaedic Surgeons
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T02:32:50.816Z UTC
SHA-256b55c636f658a40cb75e5e0e931f6be8846269e6e16700884e17aa6c9b446e96a
Content length557 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001339256"
  ],
  "period_ending": null,
  "file_num": [
    "333-149794"
  ],
  "display_names": [
    "Andover Medical, Inc.  (CIK 0001339256)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2008-03-18",
  "biz_states": [
    "MA"
  ],
  "sics": [
    "3842"
  ],
  "form": "S-1",
  "adsh": "0001104659-08-018383",
  "film_num": [
    "08697310"
  ],
  "biz_locations": [
    "N. Andover, MA"
  ],
  "file_type": "S-1",
  "file_description": "S-1",
  "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/61995/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61995/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61995/receipt.json