Witnessing Under Vulnerability: Consequence Termination Under Scale and Tempo

This paper isolates and consolidates the structural role of witnessing within Informational Ontology (IO, revision 5i). Witnessing is treated neither as observation, oversight, nor human presence, but as a termination function: the structural condition under which lineage-relevant consequence ceases to be exportable without distortion by becoming incorporated into the persistence conditions of a vulnerable locus. The analysis clarifies why consequence must terminate to remain intelligible; why witnessing is not a matter of awareness, decision, or control; why witnessing is capacity-limited; and why witnessing fails predictably under scale and tempo even when humans remain present. Failure of witnessing is shown to precipitate silent regime substitution, in which authority collapses into logistics and, under further pressure, into force—without visible breakdown of outcomes. This consolidation paper introduces no new ontological commitments and centralizes witnessing as a load-bearing function already implicit across the IO corpus.