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: 1064
Hash: 1aa84daabfcd2867ee7250c7e1d0471d768462b7fea77dd0256de731c02bf624
Previous block: 3f23e1ab5f5af445c566015e1ec56c6d1337f3e72adda3847201cb50cd7daccf
Next block: 07a8e10391a9a820c2cedecdd54b7405cb134a8fc38dd8a8634bd3574d8f9228
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857846
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: d4daea0ed42a5d0cc7c2b333c22546550f4cfa64a65e5f6fe75c00a40364a980
Median time: 1707857845
Difficulty: 4.656542373906925e-10
Confirmations: 1180
Chainwork: 0000000000000000000000000000000000000000000000000000000000000852
Bits: 207fffff