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.

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 2595
Hash: 425952f190ab5be467821dce8a28158c1ae14aa12a5f9c9a0e8351832456a1ed
Previous block: 3399bf6f3aadce0c01eb891677e42cd6096af3990f3d4a8578bb0d5eac1b48aa
Next block: 3497ea4b2a17ebc18b3494db4a1051cd4bb67d20a8ab115f2834fd0986b7dbe7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847319
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 5882a5cdac82cba3313f3f90bc8a6be87e3ba51a6b4d329bc925ebb3c0533336
Median time: 1743847318
Difficulty: 4.656542373906925e-10
Confirmations: 48
Chainwork: 0000000000000000000000000000000000000000000000000000000000001448
Bits: 207fffff