1      Definition

The Analogue Twin in the Universe of an Item in the Metaverse.

2      Functional Requirements

An R-Item can be:

  1. An existing real object that is placed at a U-Location.
  2. A new real object that is synthesised with a 3D printer rendering an Item.
  3. A perceptible 2D or 3D media item in the Universe that renders an Item MM-Embedded in an M-Instance.

3      Syntax

https://schemas.mpai.community/MMM4/V2.1/data/RItem.json

4      Semantics

Label Size Description
Header N1 Bytes Value Header
– Standard – Wallet 9 Bytes The characters “MMM-RIT-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
MInstanceID N4 Bytes Identifier of M-Instance.
UEnvironmentID N5 Bytes Identifier of a U-Environment
ItemID N6 Bytes Identifier of Item in the M-Instance.
RItemID N7 Bytes Identifier of R-Item.
RItemType N9 Bytes The R-Item
ULocation N10 Bytes U-Location of R-Item.
DescrMetadata N11 Bytes Descriptive Metadata.