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: 1492
Hash: 6cc03cb23c65c18a0bdea5eef4f148e2c894dc9e5e18754fc3499c6c0a8c61f5
Previous block: 04c0f08cc46a4dfcd2635b252c4975f2f5870a9580c3429014a5537c5cc5a08c
Next block: 379595e764c0982fc1a16cbefd0404f1075ce5dea75630b3271116150eacb91a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697656
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 1b80a3ae8775e11b32f30ea51bbe266c3925b84dff42ba9e1918f730001c8420
Median time: 1718697655
Difficulty: 4.656542373906925e-10
Confirmations: 752
Chainwork: 0000000000000000000000000000000000000000000000000000000000000baa
Bits: 207fffff