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: 933
Hash: 5b1b19d9c733babe0c4b8578b814a7499d3d49c10273453de0e3fde63ee6277e
Previous block: 7e75cac55ba42a176015d87c5e0294f3eec7ecde72261728e6f48058ea0bea9b
Next block: 0e3b5cbcd09a5b408a78892cc5ef5e50b0d992ba8c4c88002d5d4331f5d673bf
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857824
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: f26c6e2053c5dae514269a1b5cbd2f2d5cc5910041756c0584a085bf72a3d02b
Median time: 1707857823
Difficulty: 4.656542373906925e-10
Confirmations: 1311
Chainwork: 000000000000000000000000000000000000000000000000000000000000074c
Bits: 207fffff