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: 2342
Hash: 2fc6c556814849fae3de2ae1d35ac52bfdd3d4418980448f19ee52c57e6296bd
Previous block: 485bdf71751efc56189b155d7e1e8b200544d686bebd0ee8c8aab21b8c621bc3
Next block: 3ca8209149b24432e317b2b823adde9eb02e0e4c35a8974dbe153da2a9d0dce4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847277
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 6933a50f7aa720fc003b08bb80149be3b30deca927bd7fff981315dec7017a19
Median time: 1743847276
Difficulty: 4.656542373906925e-10
Confirmations: 301
Chainwork: 000000000000000000000000000000000000000000000000000000000000124e
Bits: 207fffff