1 Definition
The Spatial Attitude and the Time.
2 Functional Requirements
The combined Spatial Attitude and Time functional requirements.
3 Syntax
https://schemas.mpai.community/OSD/V1.1/data/SpaceTime.json
4 Semantics
| Label | Size | Description |
| Header | N1 Bytes | Time Header |
| – Standard-Object | 9 Bytes | The characters “OSD-TIM-V” |
| – Version | N2 Bytes | Major version – 1 or 2 characters |
| – Dot-separator | 1 Byte | The character “.” |
| – Subversion | N3 Bytes | Minor version – 1 or 2 characters |
| TimeID | N4 Bytes | Identifier of M-Instance. |
| TimeData | 17 Bytes | Data about Time |
| – TimeType | 0 bit | 0=Relative: start at 0000/00/00T00:00 1=Absolute: start at 1970/01/01T00:00. |
| – Reserved | 1-7 bits | reserved |
| – StartTime | 8 Bytes | Start of Time (µs). |
| – EndTime | 8 Bytes | End of Time (µs). |
| DescrMetadata | N15 Bytes | Descriptive Metadata |
