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: 1335
Hash: 433207c1a5761699f3ab002a23619afc7b3ad0bfa4d0a55e2af1f582d144cdee
Previous block: 43bc8b26de2afc61eb0c65908c36d495b88247a2cf122ff37084b4130d1d8e6b
Next block: 10bb9ef1adf8ee9db564b6ff404815e01fc410844d0cb8a616d29b1ca9db9894
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697630
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 9052d356e8f9564f98eff5c813a18b220b10e434a19dcca21f9fff2ea025536e
Median time: 1718697629
Difficulty: 4.656542373906925e-10
Confirmations: 909
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a70
Bits: 207fffff