Chain of custody receipt

Source #64780

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: SC 13G — RA CAPITAL MANAGEMENT, LLC (2015-05-15)
Original URLhttps://www.sec.gov/Archives/edgar/data/1267565/000114420415031548/0001144204-15-031548-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2015-05-15
EntityRA Capital Management
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T01:19:47.013Z UTC
SHA-256c0c6efbd1131eac31ff4df4519f53cb15e977692255a8fb8de3c44df817cfc48
Content length678 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001267565",
    "0001346824"
  ],
  "period_ending": null,
  "file_num": [
    "005-88843"
  ],
  "display_names": [
    "COLLEGIUM PHARMACEUTICAL, INC  (COLL)  (CIK 0001267565)",
    "RA CAPITAL MANAGEMENT, LLC  (CIK 0001346824)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "SC 13G"
  ],
  "file_date": "2015-05-15",
  "biz_states": [
    "MA"
  ],
  "sics": [
    "2834"
  ],
  "form": "SC 13G",
  "adsh": "0001144204-15-031548",
  "film_num": [
    "15869164"
  ],
  "biz_locations": [
    "Canton, MA",
    "Boston, MA"
  ],
  "file_type": "SC 13G",
  "file_description": "SC 13G",
  "inc_states": [
    "VA",
    "MA"
  ],
  "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/64780/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/64780/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/64780/receipt.json