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: 2382
Hash: 2f7eceedf3c2510d8fa55a9977b495558a7717d359d51c6d9d701335495c54d7
Previous block: 22a80a99b5e745fc54e3953d01419eaf421898751903423750f0b8979c00b33e
Next block: 2e942514a81ee54cea818dc6964d950ea076773a7a6e4bfcb930c12e7660982d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847284
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 721b3bb22f002235980f38ff07488258e79e057a6faea1ed1cab8660350c3508
Median time: 1743847283
Difficulty: 4.656542373906925e-10
Confirmations: 261
Chainwork: 000000000000000000000000000000000000000000000000000000000000129e
Bits: 207fffff