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: 361
Hash: 53b672c44a6387ec96f01d8c11dcf8e97825b6a585c18741cf2fa8c4ed391f6e
Previous block: 22eefbfafdc8fcf0ab28c6786ac47affde124f2aa99c269bfee7f759b5d0cad3
Next block: 6802fa2132af06f9be558eedcfa18ef9a63d86eb3b723137eb5c5479b7d3aa20
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597927
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: 22fbd3f1bb005c711435474a5b448baa49a7bc9c56f55440d7da0de9af74cdaf
Median time: 1701597927
Difficulty: 4.656542373906925e-10
Confirmations: 1883
Chainwork: 00000000000000000000000000000000000000000000000000000000000002d4
Bits: 207fffff