# Validator page -

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Production

F is the time when the first approval arrives for a given height.
T is the time when a given blocks gets a threshold approval (66%).
Shards can either be produced by this validator (marked as 'ME') or received from other validators.
Shards have missing chunks are marked as grey.
We also mark shards arrival time in color. Shards that are delayed by more than 150ms after T are marked as orange, and ones delayed more than 300 marked as red.
Approvals
Green field means that validators endorses the PREVIOUS block.
Grey means that we didn't get any info from the validator.
Other colors means different amount of skips.

Height

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Approval history

Time | Approval from | Approval to | Delay | Client-actor delay
--- | --- | --- | --- | ---