OSINT fundamentals

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How an open-source investigation runs, from scope to report, and how to stay safe and lawful doing it

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Recording and reporting

A finding is only as good as your ability to show where it came from. Record as you go, in a form someone else can follow and check.

What ot records for you

Every ot run saves the tool's raw output and a .meta.json file next to it, under results/ (or the folder you set with --results-dir). The record holds the run's run_id, the tool, its version and image digest, the inputs, the time, and a SHA-256 hash of exactly what the tool printed. Add --case <name> to keep a case's runs together.

  • ot extract pulls the emails, domains, IP addresses, URLs and other entities out of saved runs.
  • ot diff <tool> <target> compares the two most recent runs of a tool on the same target.
  • ot pivot <run-id> suggests the next tools for what a run found.

Your findings log

Keep one line per finding, with:

Field Example
When 2026-10-20 14:05 UTC
What Forum account example-handle uses the same profile photo as the marketplace listing
Source The URL, and an archived copy
How ot run with its run_id, or the manual step you took
Grade Confirmed, likely or unrelated, with one line on why

Archive pages that matter as soon as you find them (the Wayback Machine, or a local copy with its hash), because public pages change and disappear.

The report

  1. The question from your scope, in one sentence.
  2. The answer, with how sure you are.
  3. The findings that support it, each with its source and grade.
  4. What you could not establish, and what would be needed to.
  5. The method: the tools and versions, and anything you did by hand.

Cite runs by their run_id so a colleague can find the exact output. When the case closes, delete what you collected and no longer need, and note that you did.

Published 23 Oct 2026. Read it in a terminal: ot guide read osintverse-community/osint-fundamentals; offline: ot guide get osintverse-community/osint-fundamentals · Source · Markdown

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