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. mupBAc74k

Height: 2245
Hash: 0ecc0435edaed93a18db808d43d993f7a460431565522f06ad78d993c9fe8de0
Previous block: 66c717a4bb1bedf5ffcec6fdac347b6ddd3442c38e8d948cbff36ca0f4e1c229
Next block: 0a9796099a9a4f90cdaa76f17b56bca026092d64edc7b501eec43b60eb2d4196
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480983
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: a0fe3431a4caa5579572dcc51bc8d659c7fa6b3feb5d320ff9af82834bc66412
Median time: 1719480983
Difficulty: 4.656542373906925e-10
Confirmations: 47
Chainwork: 000000000000000000000000000000000000000000000000000000000000118c
Bits: 207fffff