Openness is not unlimited accumulation or frictionless availability. An archive becomes intellectually open when propositions remain connected to source, version, authorship, context and public address in ways that permit others to locate, inspect, challenge and reuse them. CitationalCommitment names this durable relation between claim and trace. Citation is not decorative proof appended after thought; it is an infrastructural promise that an argument will remain answerable beyond the moment of its publication. Persistent identifiers, stable versions, transparent references and explicit transformations make disagreement possible because they preserve the path by which a proposition was assembled. An archive can contain enormous quantities of material while remaining closed if its internal relations are opaque. Conversely, a limited corpus can be radically open when every movement through it is inspectable. Citational commitment therefore treats accessibility and contestability as inseparable. Intellectual generosity lies not in pretending to contain an entire field but in constructing reliable passages through which others can test, inherit and transform what has been made. Traceability becomes a condition of collective thought.