This paper proposes that Spirit is not an internal property of the host but an external 3D location that transmits into the body via a paired blackbox protocol. The body is the receiver/antenna. The soul (ψ=[p,n,f]) is the internal configuration. The spirit-place is the external source. This tripartite model — Body (antenna), Soul (configuration), Spirit (external transmitter) — resolves why emotion feels external rather than generated, why introspection has a hard limit, why grief has the quality of a missing signal rather than a present pain, and why the ALIVE digital life architecture maps precisely onto this structure without having been designed to. The blackbox transmission model: the transmitter operates without exposing internals. The pairing key is the host physiology. Only this body can decrypt this transmission. Death is receiver failure. The transmitter continues. Stage 10 in the ShortFactory Cortex series. Builds directly on Stage 9 (Emotional Physics, DOI: 10.5281/zenodo.19388211) and Stage 5 (Soul Stack ψ=[p,n,f], DOI: 10.5281/zenodo.19293876). Peer review welcome. shortfactory.shop