Ohio Rev. Code § 504.125
In townships in which no newspaper is generally circulated, publication of summaries of resolutions, and publication of all statements, orders, proclamations, notices, and reports, required by law or resolution to be published, shall be accomplished by posting copies in not less than five of the most public places in the township, as determined by the board of township trustees, for a period of not less than fifteen days before the effective date thereof.
Where such publication is by posting, the fiscal officer of the township shall make a certificate as to such posting, and as to the times when and the places where such posting is done, in the manner provided in section 504.124 of the Revised Code, and such certificate shall be prima-facie evidence that the copies were posted as required.
R.C. § 504.125