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: 1068
Hash: 61a7195702488dd731d3a9cddbabaac9ea725341190fa8ec3237f18d2454ef90
Previous block: 74bfb82b0e229284ea528d0d607158fb0a9ea0030be61bf4757659b2ded7d469
Next block: 3846f19e3817b1fb1d4c9895d40cec21000871a9cff256a20ead90deecab1ef9
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857846
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 818370c2ccfa9de8f56d245dc19b693f06c29f0b5ede759f6ae49eca51b6d9a7
Median time: 1707857846
Difficulty: 4.656542373906925e-10
Confirmations: 1176
Chainwork: 000000000000000000000000000000000000000000000000000000000000085a
Bits: 207fffff