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: 33
Hash: 747670c7db24e7b49432e149d97386dc18089c5e24bd0cf5bc34efd37fe77d69
Previous block: 0e2c28bd149d74a8dab449373dc47d0d60f673b03f725e27da3cca259c93faaf
Next block: 0f31dd8832c36fb086c89211b0b4d0b92136fa746becf71edce5047b006f03b4
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597873
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: b8d8ab0114c83e10d5efef2716f3c99f824a2b5e42f8bd0fd2440c9a5fd247e6
Median time: 1701597872
Difficulty: 4.656542373906925e-10
Confirmations: 2211
Chainwork: 0000000000000000000000000000000000000000000000000000000000000044
Bits: 207fffff