Record locationPDF pages 5, 15, 60, and 77 to 78; complete 173-page hearing retained.
Evidence classOfficial congressional hearing and appended record
Relationship to claimCentral oversight record establishing program administration and limits of the surviving file.
Authenticity assessmentTitle, committee date, internal pagination, visible text, PDF structure, and archive metadata were independently inspected.
What this supportsProgram existence, categories of subprojects, recovered financial records, official discussion of unwitting human experimentation, and destruction-related gaps.
What it does not supportA complete subproject inventory, a complete subject roster, every later allegation attributed to MKULTRA, or a demonstrated reliable general mind-control capability.
ProvenanceComplete 173-page OCR text-PDF derivative of the U.S. Senate hearing scan, acquired from Internet Archive and identified by title, date, committee text, and page sequence.
Chain of custodyU.S. Senate joint hearing of August 3, 1977 -> government scan -> Internet Archive preservation and OCR text-PDF derivative -> application-owned hash-verified copy.
Source completenessComplete. Complete 173-page OCR text-PDF derivative of the hearing scan. OCR errors remain possible and do not replace visual page inspection.
Known gaps: The public hearing itself states that earlier CIA records had been destroyed or remained incomplete.