The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1032
Hash: 2b5d160068cb831fa8dc902bd94f6ab75b7f87fcb418a430fa7d290030befef7
Previous block: 00b92f39175951a586063c3b2e1600165b6f9eaa35c5439370e471753e41913c
Next block: 761b9dabaafed818730a6d7680fabc52941be4ba481eca66951d45e2e5572c89
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857840
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: fdca46c4b26adb9d1e89b101f5a069a8d479719beee472b7b66dbc4fe004c77b
Median time: 1707857840
Difficulty: 4.656542373906925e-10
Confirmations: 1212
Chainwork: 0000000000000000000000000000000000000000000000000000000000000812
Bits: 207fffff