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: 1400
Hash: 227154cec7aaa83686c502ae8efc0f9ec22376f4637f08491c28addf376f2110
Previous block: 0a3eafd7b283002c3bd2c9d386a3d3834d87fcbca85bb1e5c1514bf547b1a85f
Next block: 02cfff99334a170da6fb88d22505276e65dbc9d1a3520ede266ba1ad3cae92fd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697641
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e1a8daf45b6ce752f15de8af606c191f3a8704325192eab38e96c8fbdaae8a7f
Median time: 1718697640
Difficulty: 4.656542373906925e-10
Confirmations: 844
Chainwork: 0000000000000000000000000000000000000000000000000000000000000af2
Bits: 207fffff