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: 2261
Hash: 150d13ae9d22c4a19d7c3450c0d527faf1ec1934eb357d31d025a1ff67bac7ac
Previous block: 116cd739973807aba641ceb3e0f6e0abaa8707149c4ebbf8fc4ea9c53c1fa33f
Next block: 411f4e40cd34a68c2da025ff83d0041cdc9694ab2108ed5626a3ee41887f4ac6
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847263
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: afa1495edced366cd2617fb2970b2d235cd0bc91130fc5d0d20873b996e6b27f
Median time: 1743847263
Difficulty: 4.656542373906925e-10
Confirmations: 382
Chainwork: 00000000000000000000000000000000000000000000000000000000000011ac
Bits: 207fffff