> ## Documentation Index
> Fetch the complete documentation index at: https://initialabs-develop.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Submitting to DA Layer

```mermaid theme={null}
sequenceDiagram
    participant R as Rollup
    participant OPC as OPchild Module
    participant OPB as OPinit Bot
    participant DA as Data Availability Layer
    participant IL1 as Initia L1

    loop For each L2 block
        R->>OPC: Generate block
        OPC->>OPB: Provide block data
        OPB->>OPB: Compress and batch data
        OPB->>DA: Submit batched data
        DA->>DA: Store data and generate proof
        OPB->>IL1: Submit DA proof (if required)
    end
```