$ ls -lh egolite.dmg
143M egolite.dmg

$ shasum -a 256 egolite.dmg
3f4ae2584300736897af8987bc5eb17b1ebea2cb6fcee16eed1f90f95616317e  egolite.dmg

$ hdiutil attach -nobrowse -readonly -mountpoint /tmp/egolite-mnt egolite.dmg
hdiutil: WARNING: 'hdiutil attach -nobrowse -readonly -mountpoint ...' is deprecated. Please use 'diskutil image attach --mountOptions nobrowse --readOnly --mountPoint ...' instead.
/dev/disk18s2       	Apple_HFS                      	/private/tmp/egolite-mnt

$ ls /tmp/egolite-mnt
ego lite.app

$ defaults read ".../Info.plist" CFBundleShortVersionString
0.6.2.5

$ codesign -dv --verbose=2 "ego lite.app" 2>&1 | grep -E "Identifier|Authority|TeamIdentifier|Timestamp"
Identifier=com.citrolabs.ego.lite
Authority=Developer ID Application: CITRO LABS PTE. LIMITED (JGQLC6YQYJ)
Authority=Developer ID Certification Authority
Authority=Apple Root CA
Timestamp=29 Oct BE 2569 at 19:49:15
TeamIdentifier=JGQLC6YQYJ

$ spctl -a -vv "ego lite.app"
/tmp/egolite-mnt/ego lite.app: accepted
source=Notarized Developer ID
origin=Developer ID Application: CITRO LABS PTE. LIMITED (JGQLC6YQYJ)

$ hdiutil detach /tmp/egolite-mnt
hdiutil: WARNING: 'hdiutil detach ...' is deprecated. Please use 'diskutil eject ...' instead.
"disk18" ejected.