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: 2586
Hash: 07f927e32c1bcf5df38d0976b3ab1d2cac5e3fbbb3325b99845c905baf2e56e3
Previous block: 145c40b975d2127a512933b7813db6e6464c26df0666c83f553146f0ac3a782c
Next block: 090b1b3f4ec5eeb57a2e5471bd41da08d756886d66c6178e221624d833fb51e9
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847318
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 28e2bfb4fb89db63c9c99fbbf51cf596ab736cc4caee98c71f76c971c6a47be3
Median time: 1743847317
Difficulty: 4.656542373906925e-10
Confirmations: 57
Chainwork: 0000000000000000000000000000000000000000000000000000000000001436
Bits: 207fffff