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Documented Gap
Known Missing Records
Records whose former existence, transfer, destruction, loss, withdrawal, or absence is established by surviving documentation.
Available Now · Continuously DevelopingThe Missing Evidence
Make the gaps in the historical record visible.
Some of the most consequential evidence in nuclear-weapons history survives only as a citation, a transfer note, a reference in another file, an incomplete series, or an archival trail that has not yet been recovered. Rosetta records those gaps without pretending to fill them.
Documentary Clue → Missing Evidence → Creating Office → Expected Series → Repository → Retrieval → Recovery
Recovery pathways
What is missing—and what would it help establish?
Each public entry will identify the documentary basis for treating something as missing, its evidentiary status, the repositories or record series searched, and the historical question the record could help resolve.
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Referenced
Referenced but Unrecovered
Reports, memoranda, attachments, compilations, drawings, logs, or files explicitly cited by surviving sources but not yet recovered.
Available Now · Continuously Developing▤
Series
Expected Record Series
Record types supported by archival schedules, procedures, companion files, or series structure, while preserving the distinction between an expected series and proof that a particular document existed.
Available Now · Continuously Developing△
Workers
Personnel & Monitoring Gaps
Missing rosters, payrolls, job histories, dosimetry, bioassay, work permits, survey records, and other evidence needed to reconstruct worker populations and monitoring coverage.
Explore occupational history →⇄
Movement
Shipment & Accountability Gaps
Missing transfer forms, bills of lading, receiving records, inventories, accountability records, shipping surveys, and disposition files that could establish movement through the network.
Explore shipments & connections →⌘
Authority
Contract & Procurement Gaps
Missing prime contracts, subcontracts, purchase orders, vendor files, inspection records, and procurement correspondence needed to connect organizations to actual work.
Explore people & organizations →!
Events
Incident & Operational Gaps
Missing occurrence reports, investigations, logbooks, maintenance records, corrective actions, and non-routine work files that may alter the historical reconstruction.
Explore operations & programs →⌂
Retrieval
Repositories, FOIA & Finding Aids
Track likely custodians, record groups, accessions, finding aids, agency requests, archival visits, and other retrieval routes without treating a lead as recovered evidence.
Explore archives →Evidence standard
Missing evidence is not evidence of absence.
Rosetta does not infer that an activity, exposure, shipment, worker population, or historical relationship did not exist merely because its records have not been found. Nor does Rosetta claim that a specific missing document existed solely because one would normally be expected. The status of every gap must be supported by the surviving record.
How Rosetta evaluates evidence →Missing Evidence Register
Preserve the search as part of the history.
As the public collection develops, entries can record the missing item or series, documentary clue, creating office, relevant dates, likely repository, retrieval actions, recovery status, and the evidentiary question the record could resolve.
Potential statuses include: documented missing record; referenced but unrecovered; expected record series; research/retrieval lead; recovered; and unresolved. Only publication-reviewed information will enter the public register.
Recovery cycle
A missing record can become a recovered connection.
When a target is recovered, Rosetta preserves its prior missing-evidence history and then evaluates the source before it is allowed to change a facility, material, shipment, operation, organization, or occupational relationship.
Gap Identified → Search Documented → Record Recovered → Source Verified → Evidence Qualified → Network Updated
The gaps in an archive are part of the evidentiary record—but they must be described with the same discipline as the documents that survive.