Chain of custody receipt

Source #42233

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 — Greylock Partners (2014-09-30)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Greylock%20Partners%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2014-09-30
EntityGreylock Partners
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:10:53.003Z UTC
SHA-2562673c5d83a061709857e028068853f8bd98f8157a4c74e554ff159f623bf0c17
Content length582 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000075208"
  ],
  "period_ending": null,
  "file_num": [
    "333-198278"
  ],
  "display_names": [
    "OVERSEAS SHIPHOLDING GROUP INC  (CIK 0000075208)"
  ],
  "xsl": null,
  "sequence": 3,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2014-09-30",
  "biz_states": [
    "NY"
  ],
  "sics": [
    "4412"
  ],
  "form": "S-1/A",
  "adsh": "0001144204-14-058714",
  "film_num": [
    "141129945"
  ],
  "biz_locations": [
    "New York, NY"
  ],
  "file_type": "EX-10.12",
  "file_description": "EXHIBIT 10.12",
  "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/42233/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/42233/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/42233/receipt.json