Chain of custody receipt

Source #3581

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.

TitlePBS NewsHour and congressional hearing records
Original URLhttps://last10k.com/sec-filings/ba
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2024-04-17
EntitySam Salehpour
Captured2026-04-11T20:13:30.539Z UTC
Hash computed at2026-04-11T20:13:30.539Z UTC
SHA-256424d1d777d7216071cbeb4058194aac7201c75b18bcc8815715518a7bcd6a45c
Content length46,081 bytes
Content preview (first 800 chars)
Boeing Co (BA) 10K Annual Reports & 10Q SEC Filings

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Boeing Co (BA) SEC Filing 10-K Annual Report for the fiscal year ending Wednesday, December 31, 2025

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10-K Annual Report Fri Jan 30 2026

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10-K Annual Report January 2026

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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/3581/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3581/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3581/receipt.json