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: 2246
Hash: 0a9796099a9a4f90cdaa76f17b56bca026092d64edc7b501eec43b60eb2d4196
Previous block: 0ecc0435edaed93a18db808d43d993f7a460431565522f06ad78d993c9fe8de0
Next block: 78c03a5a1d9f0791df24a272dee8a0ae99a8d48ddbbba63da61f84e8fe318a8f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480984
Stripped size: 218
Size: 254
Nonce: 7
Merkle root: 6bef58ccf3b8ed0f21b5a11a713462cc5ef99f48a99cd221828f51a27aedbe83
Median time: 1719480983
Difficulty: 4.656542373906925e-10
Confirmations: 46
Chainwork: 000000000000000000000000000000000000000000000000000000000000118e
Bits: 207fffff