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.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 2591
Hash: 17954ad2dec26a3a4cc4e91a00294cfea8dbb7519900154f24bdb8260ea23d3b
Previous block: 097cf449aab780e9ede49ad5cbf7fc8c07734a668116f1a5b9030b977e70f525
Next block: 06eae2f6ec978b67a3009c43b68355cac8505d5f7a7f3075e1959da1a4206ce2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847318
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: db328af24a5370ab22480583bc3b61cc8624189c4d943a2747f4a6ed5412d71e
Median time: 1743847318
Difficulty: 4.656542373906925e-10
Confirmations: 52
Chainwork: 0000000000000000000000000000000000000000000000000000000000001440
Bits: 207fffff