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: 2523
Hash: 76650165922f57c97f20a1c9f375bc106efcfebc03398277536b5a4ef65834f3
Previous block: 006445776631e73c9ac7ef48140dbb0e7fee46b9aaa646e6c1dbfe6414c5c00b
Next block: 7a7ab3a12b18de3273ee44aef6b012b9fe09ae67ee4d261e259d35cce842cd30
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847307
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 4c47849d63104ca8ccdcfe9810cd52ee473ed397392bf95d091fdb64421149a6
Median time: 1743847306
Difficulty: 4.656542373906925e-10
Confirmations: 120
Chainwork: 00000000000000000000000000000000000000000000000000000000000013b8
Bits: 207fffff