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: 1928
Hash: 6e63dcd285b77bc39b8030fecffa7ef1af412a1da84eef5ad3f8180ac863e339
Previous block: 4ac53476d9b8581080e5b8311115ac7060681928c9bdfd5868219f10bca815ff
Next block: 2e2833e55849080574a53b65594c351b84810acc24e66722433065c99165de38
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159245
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: a3b4b7941dd306c55719650945470d8b1c066376556647e3e27bef7661b7a414
Median time: 1719159244
Difficulty: 4.656542373906925e-10
Confirmations: 316
Chainwork: 0000000000000000000000000000000000000000000000000000000000000f12
Bits: 207fffff