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: 1128
Hash: 4f68604ee848a499c67f07d4e30d945c5f7d2913d920165100d843cbdd02838a
Previous block: 7467481aead356ce220398a8bdcd7f8f9f24c0c569907467d0a1f4a9487c1f27
Next block: 49b2190bd1d649e12806bd791c3424c57e305dc4fd4e20f1e238099b339003ad
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857856
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: efed46d6b745d94bed9dca76b296031869ad2ee6767e51696eeed2e5a3671c44
Median time: 1707857856
Difficulty: 4.656542373906925e-10
Confirmations: 1116
Chainwork: 00000000000000000000000000000000000000000000000000000000000008d2
Bits: 207fffff