Update README.md

README.md

@@ -11,6 +11,7 @@ The OpenHW Group's RISC-V Virtual Machine (riscv_vm) is intended for anyone want
      - [RISCV_VM *.OVA image on Google Drive](https://drive.google.com/drive/folders/18njYttFpczl-CrHkZ7HQ-lLf-w2fBcL9)
      - **Size:** 4 GB (3,785,816,576 bytes)
      - **MDA5:** 29e97756c8cb77f42503ae7ef4ddf876
+     - **SHA1:** b274fcac89d7c2d3fbaa26742e91a8c115774fad
    * **Note1: that the virtual machine userID /password is _user/abc123_**
    * Note2: an early version of the VM was released with a work-around to comply with 3rd party SW components in the VEGA SDK; for that version, the SDK must must installed directly within the VM following the instructions located [here](https://open-isa.org/get-started/)
    * <span style="color: green"> **Note3: as of Monday September 16th, the VM includes all SW.**</span>