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: 2511
Hash: 24cedd762e29aac5dc7b98fa681c4b1e605af03aec5b5eb9d2637f4d867e0911
Previous block: 318fb45e2b73fad84556fee32a8eb772bcf6e68737da5359239352d677ce0d24
Next block: 6a824046af9a04a50f7ebe3bfe6d48eaf956615742a34f24e9090bdef37d6013
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847305
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 552521a592a65f52b0d4d9692c7cb3e6b57f1587749788382a19a5e5337f6a35
Median time: 1743847304
Difficulty: 4.656542373906925e-10
Confirmations: 132
Chainwork: 00000000000000000000000000000000000000000000000000000000000013a0
Bits: 207fffff