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: 2207
Hash: 610c39ebdb2d359beb54173d3a517688cf6b60f6067ae057b691374f21d09ffb
Previous block: 28f6855f4ef4e386df881e0ac962f2e1ba9384208975b9902d0d01d047a69b41
Next block: 527a9dbfc55bd6ea15b46bd00b13ad645e9823de849510d1f75ea11e24db77a2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480977
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 90424974570d68bf114a23d1d7524d68282787b35dee846407dfa60ebc5db628
Median time: 1719480976
Difficulty: 4.656542373906925e-10
Confirmations: 85
Chainwork: 0000000000000000000000000000000000000000000000000000000000001140
Bits: 207fffff