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: 758
Hash: 60dfe28eb986c5176ff1723b3d1b11dd6aa8fd8a274b13589349a99339d2b643
Previous block: 199042385e41279c04839eba56b981155ec9c76fd57d18a701b9baa3872a9e20
Next block: 4b1fbe6b55364a156572a92e44cf96f75295630222c1ffc64d5664b8d2327abc
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864270
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 15b521cd26fe35d52e598242797befc34922295b5270481421ac91ba42429768
Median time: 1701864269
Difficulty: 4.656542373906925e-10
Confirmations: 1486
Chainwork: 00000000000000000000000000000000000000000000000000000000000005ee
Bits: 207fffff