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: 2525
Hash: 3f0b984510f4aa81ba958b70dc424b9356a6c66b5ab34ff1e9e891b2b238550b
Previous block: 7a7ab3a12b18de3273ee44aef6b012b9fe09ae67ee4d261e259d35cce842cd30
Next block: 7b4f37c920e5fcfb31b9f1f7d57cd9094681f44601262520aff14d84e1565477
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847307
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: dd47702b382e296e87fdab197c4903207ba507c80749acc74001fe1c7a1915cf
Median time: 1743847307
Difficulty: 4.656542373906925e-10
Confirmations: 118
Chainwork: 00000000000000000000000000000000000000000000000000000000000013bc
Bits: 207fffff