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: 1615
Hash: 6471d6c07f2b792f25b9062402c4ddda2f628a21b6e7a33c4c59a0571c91de1f
Previous block: 45c00f43ea6f9e9da45ad6b28060714b3cd307f73d10e63175fd651dcc803283
Next block: 0e7dea4d122a1c50d7f26d189a77c049e8b8058383e495958da6808d0dfd5a9d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159192
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 10249796f75160f499951294ddc109cab2e6a6cacbef6eb0152bb3f164009a2f
Median time: 1719159192
Difficulty: 4.656542373906925e-10
Confirmations: 629
Chainwork: 0000000000000000000000000000000000000000000000000000000000000ca0
Bits: 207fffff