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: 1053
Hash: 10b8a1159fa28244774f7177599adb29121ab12feb52f5091632286b6c226b43
Previous block: 263b969ecb18f2f63a03fbd5a52ed677641eb65ff7971738a683fccadb4b310f
Next block: 192304071ab804f8667b57a3733a6c54bcef6360719d84ea6c36ff2ffa415893
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857844
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e9d9eea1211eb8765870ab5fb644c4e003c2f204823740d5ac6488dfab50d641
Median time: 1707857843
Difficulty: 4.656542373906925e-10
Confirmations: 1191
Chainwork: 000000000000000000000000000000000000000000000000000000000000083c
Bits: 207fffff