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: 1482
Hash: 5c77cf2ff2e682c9285e53ac8ed6905af915e5b825a95813e85df3af5433b439
Previous block: 77ab56a1906d600a24d2e5ea2940260520ac472793ba6f02c25f94b0576feac0
Next block: 64b33f00b06b4b27fb71ce0e7489bd9acbfbd284db7a5d1b356d60c275cb63ec
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697654
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 02710f7b7c49e906b8885c5ad380ea6f3c1f6f8f00d12861dd81f49cd522bec3
Median time: 1718697654
Difficulty: 4.656542373906925e-10
Confirmations: 762
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b96
Bits: 207fffff