Chain of custody receipt

Source #44116

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 — Spero Ventures (2022-12-14)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Spero%20Ventures%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2022-12-14
EntitySpero Ventures
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:05:26.323Z UTC
SHA-256825f53a26c75c91c6057b75de33429bbbc5ff1fc1bec4f2764531cf45309b232
Content length563 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001514587"
  ],
  "period_ending": null,
  "file_num": [
    "333-262088"
  ],
  "display_names": [
    "Turo Inc.  (TURO)  (CIK 0001514587)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2022-12-14",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "7510"
  ],
  "form": "S-1/A",
  "adsh": "0001193125-22-304828",
  "film_num": [
    "221462365"
  ],
  "biz_locations": [
    "San Francisco, CA"
  ],
  "file_type": "S-1/A",
  "file_description": "S-1/A",
  "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/44116/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/44116/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/44116/receipt.json