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When a record disappears, a legal right does not vanish,

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but proving what happened can become much harder.

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Preserve the original file first.

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Then create a working copy

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and record where it came from, when it was received,

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and who handled it.

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Calculate a SHA-256 hash.

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Keep related emails, notices, screenshots, exports,

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report numbers, and delivery receipts together.

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Use clear filenames, an index, access notes,

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and two protected storage locations.

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Make an accessible copy when needed,

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but do not replace the original.

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A hash can show whether the same bytes changed;

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it cannot prove truth, completeness, authorship,

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or agency validation.

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A complaint number does not prove an investigation or finding.

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A missing record does not automatically prove intentional destruction.

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Preserve first, label carefully,

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and let independent reviewers test the evidence.

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Read the source-linked blueprint at david-medeiros.com.