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: 887
Hash: 098e7f1a47675b258e2a3dbf762306c7c6b1ee650b9ca859d4e40dfab027d106
Previous block: 0711939ec922936d8a14722fdfd5322c69173073341da426f1dbd92c631ea30b
Next block: 072febead3299f4aebcaf6d698422f437d73056fe9a22eca36f22f90f3b64627
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857816
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 16f2905b51fbb276d34903669d191e8ecc0311ddd9ed8b1fad31e72e44f17363
Median time: 1707857815
Difficulty: 4.656542373906925e-10
Confirmations: 1357
Chainwork: 00000000000000000000000000000000000000000000000000000000000006f0
Bits: 207fffff