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: 1087
Hash: 7c3f3bfa24fbf7bb2f1b33cc1636e51902371d9a263f591daffa902557a613b1
Previous block: 2ee358149776a6f8b2f143b3341e97d17688a680e9878eb761b01739f2731206
Next block: 7c138382f3796ddfb842ca63844e72a1b848a13cb6e41ca4e2bfa41a69f3a2b2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857850
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: b68a5b9581c63079dfb20c52acef10423593c783167f7416967ad0869cd43da9
Median time: 1707857849
Difficulty: 4.656542373906925e-10
Confirmations: 1157
Chainwork: 0000000000000000000000000000000000000000000000000000000000000880
Bits: 207fffff