| 1 Definition | 2 Functional Requirements | 3 Syntax | 4 Semantics | 
1 Definition
An Item that can be Transacted.
2 Functional Requirements
An Asset
- Preserves the Format of the Item that has spawned it.
 - Includes the Time it was Modified as an Asset.
 - May be:
- MM-Embedded at an M-Location.
 - Posted to a Service (e.g., a marketplace).
 
 - May include the Provenance, i.e., the history of Transactions.
 - May be Modified as an Item and the Modified Item may spawn a new Asset.
 
3 Syntax
https://schemas.mpai.community/MMM4/V1.0/data/Asset.json
4 Semantics
| Label | Size | Description | 
| Header | N1 Bytes | Asset Header | 
| – Standard-Asset | 9 Bytes | The characters “MMM-ASS-V” | 
| – Version | N2 Byte | Major version – 1 or 2 characters | 
| – Dot-separator | 1 Byte | The character “.” | 
| – Subversion | N3 Byte | Minor version – 1 or 2 characters | 
| M-InstanceID | N4 Bytes | Identifier of M-Instance. | 
| AssetID | N5 Bytes | Identifier of Asset. | 
| AssetData[] | N6 Bytes | Metadata of Asset | 
| – SourceItemID | N7 Bytes | ID of Item that spawned this Asset | 
| – AssetDate | N8 Bytes | Time Item was Modified to Asset | 
| – Provenance or ID | N9 Bytes | Provenance | 
| DescrMetadata | N10 Bytes | Descriptive Metadata |