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: 1109
Hash: 6d2172a89b0037d455f4f4ab28267bfd96e1a9012217fcae241b8e3708b11790
Previous block: 15c38ef32c6de346baf1244b85f1b65e8dedf3cbc12e9f954e50f502f435de19
Next block: 45b4d8c1c9c891aba5f62466389aa466b33eba0fc65f225b73061b9e78550f08
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857853
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 7cc665347a43cc3d88b7aecfd1c0ee4699497bfe0b691bba50edcb9fb37c847d
Median time: 1707857852
Difficulty: 4.656542373906925e-10
Confirmations: 1135
Chainwork: 00000000000000000000000000000000000000000000000000000000000008ac
Bits: 207fffff