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: 1175
Hash: 140608ee6e80e23aefb23adb267af683554f0beaf70164881864957bf6188d08
Previous block: 118782ffecd2976b088c1bfc38752e48c0578382d00378a6e0df2c648d61b505
Next block: 1fcd6f9c7e9fc97751dbc52b35bf36a33332105fbe4c54310f4552389c042e0f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857864
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: dba8c9ab50bc770033c2203126501c46792d421bd0dc749370d427cb77cacdc8
Median time: 1707857863
Difficulty: 4.656542373906925e-10
Confirmations: 1069
Chainwork: 0000000000000000000000000000000000000000000000000000000000000930
Bits: 207fffff