Methodology

Admiralty grading at a glance

Every claim, source, or candidate carries an Admiralty code (letter A–F for source reliability, number 1–6 for information credibility). The pill color reflects the worse of the two tiers. Hover any pill to read the analyst’s rationale where one is attached.

Methodology references

• REF · ADMIRALTY

  NATO Admiralty Code — Sequenxa Application

  How Sequenxa applies the NATO Admiralty Code (A1–F6) to forensic OSINT — letter for source reliability, number for information credibility.

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• REF · SOURCE-TYPOLOGY

  Source Typology Reference

  The full taxonomy of source types Sequenxa works with — pure OSINT, restricted-but-lawful, lab-provided, internal analysis.

  Pending publication
• REF · EXCLUSION-LOGIC

  Exclusion Logic Standards

  Required form for excluding a candidate: written reason + linked exclusion evidence. Defensibility through visibility.

  Pending publication
• REF · CHAIN-OF-CUSTODY

  Chain of Custody Practices for OSINT-Adjacent Work

  Sequenxa's standards for documenting how a record was obtained, who has touched it, and when.

  Pending publication
• REF · REFERENCE-DNA

  Reference DNA Donor Considerations

  Lawful, ethical, and pragmatic considerations for reference DNA outreach — never via Sequenxa, always via the investigating agency.

  Pending publication