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: 2248
Hash: 572fae21e5e1ead6104073a73161fd9a6735bf60b4651a509236855a7d75ec32
Previous block: 78c03a5a1d9f0791df24a272dee8a0ae99a8d48ddbbba63da61f84e8fe318a8f
Next block: 46cc7a7a5a12a9754246a7b789efe917d5a8102628b21a257d15578467e64271
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480984
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c19648af5497d6c374b0efe6502ecbaffca4936caab916aa197b2cb1421fb18c
Median time: 1719480983
Difficulty: 4.656542373906925e-10
Confirmations: 44
Chainwork: 0000000000000000000000000000000000000000000000000000000000001192
Bits: 207fffff