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: 1159
Hash: 0e06f1fb69f0b139810d18bd396faf0ddfa0039a5994c00dd4d5adc0e2ae96c6
Previous block: 6f8bce22a2aba4f418ee18d29263071196a914b45b4e9a965f2658646d8d7365
Next block: 22bd6c33246416f5235a63dc82d5f7a7b94fe1e1334e5c860de2441b469dc1ef
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857862
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 9653ff604955727221bdb194f40cee9b77ce55c4e0581b3e9cdbeae50a9c3e68
Median time: 1707857861
Difficulty: 4.656542373906925e-10
Confirmations: 1085
Chainwork: 0000000000000000000000000000000000000000000000000000000000000910
Bits: 207fffff