Chain of custody receipt

Source #75633

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: D/A — AUSTIN CENTER FOR OUTPATIENT SURGERY, L.P. (2016-08-16)
Original URLhttps://www.sec.gov/Archives/edgar/data/1427074/000142707416000002/0001427074-16-000002-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2016-08-16
EntityAustin Scott For Congress Inc
Captured2026-09-28T16:07:15.619Z UTC
Hash computed at2026-09-28T16:07:15.619Z UTC
SHA-256db75e022ca922ce22770e3fea54d0187d4cccdd6b34c61ed6d5002b78481011a
Content length608 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001427074"
  ],
  "period_ending": null,
  "file_num": [
    "021-257662"
  ],
  "display_names": [
    "AUSTIN CENTER FOR OUTPATIENT SURGERY, L.P.  (CIK 0001427074)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0707",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2016-08-16",
  "biz_states": [
    "TX"
  ],
  "sics": [],
  "form": "D/A",
  "adsh": "0001427074-16-000002",
  "film_num": [
    "161835371"
  ],
  "biz_locations": [
    "Austin, TX"
  ],
  "file_type": "D/A",
  "file_description": null,
  "inc_states": [
    "GA"
  ],
  "items": [
    "04"
  ]
}

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/75633/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/75633/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/75633/receipt.json