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: 1107
Hash: 1b42c288607542d86fe033bff1886ed9707863c741e8fb89dbf3cdfe81c0add7
Previous block: 395a0c312edbba0d4caf56deb925961d5ea6993a3db2c43571a96c635b29c361
Next block: 15c38ef32c6de346baf1244b85f1b65e8dedf3cbc12e9f954e50f502f435de19
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857853
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: d69a34d0da6230e82828d8444c1eefbf9b018cf201af17d922420b70e5c5ba8d
Median time: 1707857852
Difficulty: 4.656542373906925e-10
Confirmations: 1137
Chainwork: 00000000000000000000000000000000000000000000000000000000000008a8
Bits: 207fffff