Chain of custody receipt

Source #60859

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 — American Society of Anesthesiologists (2017-03-15)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22American%20Society%20of%20Anesthesiologists%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2017-03-15
EntityAmerican Society of Anesthesiologists
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-24T23:55:39.758Z UTC
SHA-25664547154c73cebdd37dfebe5c89abe57a72138038042b8dc8101ac25afe59048
Content length592 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000764579"
  ],
  "period_ending": "2016-12-31",
  "file_num": [
    "000-13839"
  ],
  "display_names": [
    "CAS MEDICAL SYSTEMS INC  (CIK 0000764579)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2017-03-15",
  "biz_states": [
    "CT"
  ],
  "sics": [
    "3841"
  ],
  "form": "10-K",
  "adsh": "0001072613-17-000190",
  "film_num": [
    "17691954"
  ],
  "biz_locations": [
    "Branford, CT"
  ],
  "file_type": "10-K",
  "file_description": "FORM 10K - DECEMBER 31, 2016",
  "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/60859/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/60859/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/60859/receipt.json