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: 1133
Hash: 07c9cd19d27c64957b669c3fba3113f71d667a763776d277d97f7ce55d888ecd
Previous block: 42db7b2c3a0416c80462b342575596ea73ed55e7402cb262ddaed43b920eb224
Next block: 5c2dbe3d6e456dea7256473d9352be8ce8f0cc52af82dc78ad9a6f394820f985
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857857
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 69f09c2bb2cad8d1128f6ac6fa4837832bc90c9806104aa42fb99ee0907a8bce
Median time: 1707857856
Difficulty: 4.656542373906925e-10
Confirmations: 1111
Chainwork: 00000000000000000000000000000000000000000000000000000000000008dc
Bits: 207fffff