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: 96
Hash: 27a72198fc61c76a33a0b0d697b84f8a3b70e47e2efc97e8ec4ac5a03410432a
Previous block: 60ec9ecc1512d3646ec174df474e2e3c85520586c6170d0ab2790713d5b15f17
Next block: 536883e66f0e4bbd75248511426cb7503f1a77b7a485471e138fa23942d986ae
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597883
Stripped size: 217
Size: 217
Nonce: 4
Merkle root: 4f3fb27d0e4af93ac0926792e42969f468a4a8b65f48a85fdd8dd43bf9293f6f
Median time: 1701597882
Difficulty: 4.656542373906925e-10
Confirmations: 2148
Chainwork: 00000000000000000000000000000000000000000000000000000000000000c2
Bits: 207fffff