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: 2599
Hash: 711eac439dbb3ee1193f0f9655237583f0076d9e4f77f22bbf1ad3ee08bbae58
Previous block: 1b7de87b5f9100b456e86749a9a4d4356efa08382124f2275a64175d323df5ea
Next block: 38d0b798ea09580c2f5170c39325d710fce0e66b13719cb46a2399a827a0b106
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847320
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 7d5eed9cd5a9137a373bba69f5001999b8508fefa9f61baa9ff4d003119ddfc8
Median time: 1743847319
Difficulty: 4.656542373906925e-10
Confirmations: 44
Chainwork: 0000000000000000000000000000000000000000000000000000000000001450
Bits: 207fffff