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: 2284
Hash: 4f25f15d7e128a803a6359f4f31c51dacb09a51a95d90195080da226c7ad8dc6
Previous block: 202d93087bafcd3dba99261a391d9d1da50d59fe71387c019b672c795e2ae099
Next block: 465096084492722942a02b1b12bb7a355b5c7cbe7202b07b8047f932a516edcd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847267
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: a1be1d34382c8b9e38503081c9f3fac49fd5ee81adf617bd176b5f931d5b0469
Median time: 1743847266
Difficulty: 4.656542373906925e-10
Confirmations: 359
Chainwork: 00000000000000000000000000000000000000000000000000000000000011da
Bits: 207fffff