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: 1598
Hash: 25ade07827808f60f78ac50218f93e308754317caff5dfbc83b8a733ea14cdc2
Previous block: 7668c65d8bff45286a269c089a046fafbbcc4539fe98b7e061e660036e4dd066
Next block: 5e71b6a59b2dc4438dcaec2886fc406aa6c2186496907af1bf4de8ac1949e74c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697674
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: fd23456154e44791c69062e10c12fb1b6f2e171c3767f8fbf20fcf4a053f3893
Median time: 1718697673
Difficulty: 4.656542373906925e-10
Confirmations: 646
Chainwork: 0000000000000000000000000000000000000000000000000000000000000c7e
Bits: 207fffff