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: 963
Hash: 06696e45e53a76d465ce73209360c9c814c463819860a13840a39389d70bf143
Previous block: 6c6e2c9ec1b75c94e497405a5e818392d8c63fa0f793d5626db0adf0a552cb2d
Next block: 0a86e311aec35ff75ddddd49ed7184bda1834c5b9f0d640e0cc2555fe6ca0547
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857829
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 07b04ad334fdf8b4a84c72cd206c9f392a630d739664c4d5441224cc2d3c5130
Median time: 1707857828
Difficulty: 4.656542373906925e-10
Confirmations: 1281
Chainwork: 0000000000000000000000000000000000000000000000000000000000000788
Bits: 207fffff