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: 962
Hash: 6c6e2c9ec1b75c94e497405a5e818392d8c63fa0f793d5626db0adf0a552cb2d
Previous block: 157ff0385ded1afc29c60f0b6aa391d009ea8576bf5fd76c1beda9e67a89c9ac
Next block: 06696e45e53a76d465ce73209360c9c814c463819860a13840a39389d70bf143
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857829
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 35a3e965e3011880c0a069662153d74e26050e5085e382aa14cbb4c62095704a
Median time: 1707857828
Difficulty: 4.656542373906925e-10
Confirmations: 1282
Chainwork: 0000000000000000000000000000000000000000000000000000000000000786
Bits: 207fffff