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: 1106
Hash: 395a0c312edbba0d4caf56deb925961d5ea6993a3db2c43571a96c635b29c361
Previous block: 36ba0af0d3c1eb6ab680f663a45e21c9f824828b776906ddc2f6098f9202dffc
Next block: 1b42c288607542d86fe033bff1886ed9707863c741e8fb89dbf3cdfe81c0add7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857853
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 97ebed308a7721eed64fe87caaa0244bacdedb7eee31ad9f2e615ff2b78d846c
Median time: 1707857852
Difficulty: 4.656542373906925e-10
Confirmations: 1138
Chainwork: 00000000000000000000000000000000000000000000000000000000000008a6
Bits: 207fffff