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A bookkeeping file sorter over 40 companies logs every move with a hash

He runs AI against real client bookkeeping, sorting thousands of PDFs into folders for about 40 companies. Before any file moves, the system writes a log line with the current path, the destination, a sha256 hash of the contents and the path to put it back. Nothing is deleted; files go to a dated quarantine folder, and a file can only be cleared when its hash already exists elsewhere.

How it works

  1. File picked up
  2. Log line written with paths and sha256 before the move
  3. File moved to its client folder
  4. Doubtful files go to dated quarantine
  5. Undo means moving back and hashing to verify

Why it’s worth knowing

The hash log answers the trust question directly: the agent may move anything, because every move can be proved and reversed byte for byte.

Where it’s from

Summarized from a public post on reddit.com. See the original ↗

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