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: 1208
Hash: 587f9e972747989098056ae6ba4f96fcc599824df152b8a39f9308879beed75e
Previous block: 5b5c4681e20478af39e8a3607c270e0d44ca6558172b609f6a9079397aca99cf
Next block: 1ee7d3fed20a32e548641187ae6c7dd7cebdcb89c4a3eeabb0df030771c0eebf
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697609
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 0045f52526b43f0c42a50968132bb72762c9577769ecca3f777bbd7992e68d1a
Median time: 1707857869
Difficulty: 4.656542373906925e-10
Confirmations: 1036
Chainwork: 0000000000000000000000000000000000000000000000000000000000000972
Bits: 207fffff