proof-positive

the winning goal was proof-positive of their team's dedication.

her consistently high grades were proof-positive of her hard work.

the signed contract served as proof-positive of their agreement.

the security footage provided proof-positive of the suspect's presence.

the successful launch was proof-positive of the engineers' skill.

his detailed report offered proof-positive of the project's progress.

the positive customer reviews were proof-positive of the product's quality.

the dna results were proof-positive of their biological relationship.

the rising stock prices were proof-positive of the company's success.

the completed construction project was proof-positive of their capabilities.

the scientific data provided proof-positive of the new theory.