Chain of custody receipt

Source #43143

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 — BV (2008-06-18)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Bamberger%20%26%20Vlasto%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2008-06-18
EntityBamberger & Vlasto
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:08:53.614Z UTC
SHA-256c83751dedeaa25cd2d8c605e40da0b0aeee05b5ee232435b8149b2ce95e4c2d1
Content length1,767 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001166285",
    "0001134657",
    "0001263200",
    "0001264820",
    "0001263198",
    "0001263197",
    "0001301081",
    "0001263199",
    "0001040662",
    "0001134655",
    "0001067661"
  ],
  "period_ending": "2008-06-16",
  "file_num": [
    "001-33428",
    "001-33428",
    "001-33428",
    "001-33428",
    "001-33428",
    "001-33428",
    "001-33428",
    "001-33428",
    "001-33428",
    "001-33428"
  ],
  "display_names": [
    "STEINMETZ MICHAEL  (CIK 0001166285)",
    "EVNIN LUKE  (CIK 0001134657)",
    "MPM BIO VENTURES I LLC  (CIK 0001263200)",
    "MPM ASSET MANAGEMENT INVESTORS 1999 LLC  (CIK 0001264820)",
    "BAB BIO VENTURES NV  (CIK 0001263198)",
    "BAB BIO VENTURES LLP  (CIK 0001263197)",
    "Pharmasset Inc  (CIK 0001301081)",
    "MPM…

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/43143/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/43143/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/43143/receipt.json