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: 1067
Hash: 74bfb82b0e229284ea528d0d607158fb0a9ea0030be61bf4757659b2ded7d469
Previous block: 7949968d3dbb1ea03b3d1ac47730e09dddf22411ed6db1ccbd5f25c96e4c5cf5
Next block: 61a7195702488dd731d3a9cddbabaac9ea725341190fa8ec3237f18d2454ef90
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857846
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 2327c88bd6f75efb0cd0ff49909768a3eb46ebd8af1eb7220a5a86fd5a729f4c
Median time: 1707857845
Difficulty: 4.656542373906925e-10
Confirmations: 1177
Chainwork: 0000000000000000000000000000000000000000000000000000000000000858
Bits: 207fffff