Chain of custody receipt

Source #5333

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 — Space Development Agency (SDA) (2025-03-03)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Space%20Development%20Agency%20(SDA)%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2025-03-03
EntitySpace Development Agency
Captured2026-04-12T17:39:47.835Z UTC
Hash computed at2026-04-12T17:39:47.835Z UTC
SHA-256270fb61c7406372f6a5af310c14ccbb9a1d07e07867f3f107ad9936ecf99142d
Content length29,569 bytes
Content preview (first 800 chars)
{"took":275,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":51,"relation":"eq"},"max_score":9.047689,"hits":[{"_index":"edgar_file","_id":"0001418819-26-000026:irdm-20260331.htm","_score":9.047689,"_source":{"ciks":["0001418819"],"period_ending":"2026-03-31","file_num":["001-33963"],"display_names":["Iridium Communications Inc. (IRDM) (CIK 0001418819)"],"xsl":null,"sequence":1,"root_forms":["10-Q"],"file_date":"2026-04-23","biz_states":["VA"],"sics":["4899"],"form":"10-Q","adsh":"0001418819-26-000026","film_num":["26885486"],"biz_locations":["Mclean…

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/5333/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5333/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5333/receipt.json