Why am I getting block hashes that can not be found?

[MinerManager] Block has been successfully submitted. Block hash: 0ed1bc16746ab084489977e86dde7a534d71493769ee7b306bf18aee3d18230f

[MinerManager] Block has been successfully submitted. Block hash: c6c6a481537dd2c9ee068d430515c93ebcc128451dd880b46c5b864091bcdd97