Chain of custody receipt

Source #2356

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.

TitleAI Analysis: Maven Smart System — cross-reference insights
Original URL(none — typed-API result with no web URL)
PublicationAI Research Pass
Source typegovernment_disclosure
Date2026
EntityMaven Smart System
Captured2026-04-07T04:52:07.989Z UTC
Hash computed at2026-04-07T04:52:07.989Z UTC
SHA-256f6dc8bc5fc605278b0e3a91c3d9a90d07ad99f7cd1a4b585b7abcf0b9e7996a6
Content length1,440 bytes
Content preview (first 800 chars)
```json
{
  "facts": [
    {
      "text": "Maven Smart System does not appear in SEC filings, indicating it is likely not a publicly traded company and has not issued securities requiring SEC registration",
      "date": null,
      "confidence": "inferential"
    },
    {
      "text": "No federal contracts found in USASpending database suggests Maven Smart System has not received direct US government contracts, or operates under a different legal entity name",
      "date": null,
      "confidence": "inferential"
    },
    {
      "text": "Absence from corporate registration databases may indicate the entity operates under a different registered name, is a product/brand name rather than a legal entity, or is registered in a jurisdiction not covered by searched databases"…

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/2356/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/2356/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/2356/receipt.json