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: 1883
Hash: 62b7cd2247f11ee4f7b990848552ed7f32c10b20ff339400d7d83f2dd381fc1e
Previous block: 27b92a047fc2b012cdfce8d54e2d339c673078cdd6f0c9f51b7477e1b13fabe5
Next block: 213a8aef2d40d3a2aa0abbea508796603bf49b6db38d9f1133fb8d195c402ef2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159237
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 9c3cad4aa6601d975dbe1d894b9cd34ff030383354e86ef9e5e54ac1a2b44cbd
Median time: 1719159236
Difficulty: 4.656542373906925e-10
Confirmations: 361
Chainwork: 0000000000000000000000000000000000000000000000000000000000000eb8
Bits: 207fffff