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: 2522
Hash: 006445776631e73c9ac7ef48140dbb0e7fee46b9aaa646e6c1dbfe6414c5c00b
Previous block: 56ac914fcd01ca499806f389a3dbf4bfec924160b8e2b80fc083a1aab8337b31
Next block: 76650165922f57c97f20a1c9f375bc106efcfebc03398277536b5a4ef65834f3
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847307
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 90d3df41d8d6f2a474af36490c8a8803bd8a64c14e33e5edb247d6ce5a0a81fe
Median time: 1743847306
Difficulty: 4.656542373906925e-10
Confirmations: 121
Chainwork: 00000000000000000000000000000000000000000000000000000000000013b6
Bits: 207fffff