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: 2527
Hash: 597ddfe1a364059fe99f4a269dc5737b26d0be9793b6860fd7b3d375b9fe426f
Previous block: 7b4f37c920e5fcfb31b9f1f7d57cd9094681f44601262520aff14d84e1565477
Next block: 5d02c75c14aae4946682cd6ac43181c9c7be65b006e86ce4d1044fea6700abbc
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847308
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ac10a43f107d166408ac060f15d3f37b6215ee5e1ecc05e20e653085cf8515ae
Median time: 1743847307
Difficulty: 4.656542373906925e-10
Confirmations: 116
Chainwork: 00000000000000000000000000000000000000000000000000000000000013c0
Bits: 207fffff