Separating id into its own field seemed to work, just have to make sure the OneToOne id exists already since it is generated.
@Id @OneToOne
@JoinColumn(name = "id")
private OrgArtifact refOrgArtifact;
to
@Id
private Long id;

@OneToOne
@JoinColumn(name = "id")
private OrgArtifact refOrgArtifact;