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: 1881
Hash: 6eb6c8fc3db7da99ed93bee9abb5b59a34cf5974832b32c4bbaf0d4b4132c143
Previous block: 58c0c4082cd4771804552af10fce5566c6c658ee42696273042a7b1abd27957c
Next block: 27b92a047fc2b012cdfce8d54e2d339c673078cdd6f0c9f51b7477e1b13fabe5
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159237
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: fcbca37fd96950983920b1ebfee2ddea1a8201eebdeb7e80ff77059b3daf2459
Median time: 1719159236
Difficulty: 4.656542373906925e-10
Confirmations: 363
Chainwork: 0000000000000000000000000000000000000000000000000000000000000eb4
Bits: 207fffff