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: 1084
Hash: 7dfbe1da0ca88ea969b09488da5d48133de7c8db0873c41b5104f2b0b2bea445
Previous block: 2cf727410bb2a53b5a9dede736666056f45b92715428e3909560e240ca22bfd6
Next block: 7d9c9fbe0284931d20bed888c483d07f76573e116c972180983ef352b1e6b7fa
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857849
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c6e41b5291212f019c4e236b27fba32ea1b8c901aa3f7d3032fe6818b8c8c14a
Median time: 1707857848
Difficulty: 4.656542373906925e-10
Confirmations: 1160
Chainwork: 000000000000000000000000000000000000000000000000000000000000087a
Bits: 207fffff