Annotations¶

Annotations messages provide common annotation types used throughout the API.

Message Types¶

Metadata associated with events streamed from the robot.

Field	Message Type	Description
`timestamp`	`Timestamp`	The time when the event was recorded.
`sequence_number`	`int64`	An incremental sequence number generated by the robot. The sequence number should never be negative and can be reset to 0. i.e. sequence is valid if it is larger than the previous number or 0.

JSON

  {
    "timestamp": "2025-04-01T15:30:00Z",
    "sequenceNumber": 128
  }