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: 1129
Hash: 49b2190bd1d649e12806bd791c3424c57e305dc4fd4e20f1e238099b339003ad
Previous block: 4f68604ee848a499c67f07d4e30d945c5f7d2913d920165100d843cbdd02838a
Next block: 1b198cdda2ce336f7710bc926117f322fcacd9909a58a556f1ac30d03ffd710a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857857
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: fe37e2f827a4f9ceb89a8c58a5c30290f6cf84212f6fb7eec2a091cd62227703
Median time: 1707857856
Difficulty: 4.656542373906925e-10
Confirmations: 1115
Chainwork: 00000000000000000000000000000000000000000000000000000000000008d4
Bits: 207fffff