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Chain of Custody

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Chain of Custody

Chain of custody is the documented sequence of possession, transfer, and analysis of a physical sample from its discovery through every laboratory result. Without it, a claimed analytical result cannot be reliably tied to a specific object, leaving contamination, substitution, or post-discovery introduction of materials as unresolved confounds.

Standard elements

  • Discovery context (location, depth, stratigraphy, witnesses).
  • A continuous custody log from recovery through every transfer and analysis.
  • Sample-prep methodology, named handlers, and the lab(s) involved.
  • Independent laboratory identification and audit trail.

Relevance to UAP artifact claims

Most publicly promoted “recovered” UAP artifacts lack documented chain of custody. This is a recurring failure mode in the jaime-maussan / steven-greer / the-disclosure-project artifact arc:

Together with radiocarbon-dating, chain-of-custody absence is one of the two principal evidentiary gaps cited by Colombian astronomers (santiago-vargas, marino-guarin, oscar-amaya-montoya, lauren-flor-torres) and international skeptics (julia-mossbridge, Astrophyzix) in their rejection of the buga-sphere case.

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