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: 1152
Hash: 0c62ab2cf3249926c0ab4e20c04d11f4c322d25107092b054c15a883379b1959
Previous block: 7ac0d2d316831e12aa92910fdc57d7b02f83392b84234d2f647d8340d4a5e301
Next block: 373dd91d19e9a2a0acbd62b9dadde85db46eff691cf19d164db9bee05c5a9210
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857860
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c543f7a2e1c2453a31dd7f06067326d1a7fbb6a56c61341ee12c5311ebe348cd
Median time: 1707857860
Difficulty: 4.656542373906925e-10
Confirmations: 1092
Chainwork: 0000000000000000000000000000000000000000000000000000000000000902
Bits: 207fffff